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: / usr / local / psa / phpMyAdmin / js / src /
Filename : console.js
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/**
 * Used in or for console
 *
 * @package phpMyAdmin-Console
 */

/* global debugSQLInfo */ // libraries/classes/Footer.php

/**
 * Console object
 */
var Console = {
    /**
     * @var {JQuery}, jQuery object, selector is '#pma_console>.content'
     * @access private
     */
    $consoleContent: null,
    /**
     * @var {Jquery}, jQuery object, selector is '#pma_console .content',
     *  used for resizer
     * @access private
     */
    $consoleAllContents: null,
    /**
     * @var {JQuery}, jQuery object, selector is '#pma_console .toolbar'
     * @access private
     */
    $consoleToolbar: null,
    /**
     * @var {JQuery}, jQuery object, selector is '#pma_console .template'
     * @access private
     */
    $consoleTemplates: null,
    /**
     * @var {JQuery}, jQuery object, form for submit
     * @access private
     */
    $requestForm: null,
    /**
     * @var {object}, contain console config
     * @access private
     */
    config: null,
    /**
     * @var {boolean}, if console element exist, it'll be true
     * @access public
     */
    isEnabled: false,
    /**
     * @var {boolean}, make sure console events bind only once
     * @access private
     */
    isInitialized: false,
    /**
     * Used for console initialize, reinit is ok, just some variable assignment
     *
     * @return {void}
     */
    initialize: function () {
        if ($('#pma_console').length === 0) {
            return;
        }

        Functions.configGet('Console', false, (data) => {
            Console.config = data;
            Console.setupAfterInit();
        }, () => {
            Console.config = {};// Avoid null pointers in setupAfterInit()
            // Fetching data failed, still perform the console init
            Console.setupAfterInit();
        });
    },

    /**
     * Setup the console after the config has been set at initialize stage
     */
    setupAfterInit: function () {
        Console.isEnabled = true;

        // Vars init
        Console.$consoleToolbar = $('#pma_console').find('>.toolbar');
        Console.$consoleContent = $('#pma_console').find('>.content');
        Console.$consoleAllContents = $('#pma_console').find('.content');
        Console.$consoleTemplates = $('#pma_console').find('>.templates');

        // Generate a form for post
        Console.$requestForm = $('<form method="post" action="index.php?route=/import">' +
            '<input name="is_js_confirmed" value="0">' +
            '<textarea name="sql_query"></textarea>' +
            '<input name="console_message_id" value="0">' +
            '<input name="server" value="">' +
            '<input name="db" value="">' +
            '<input name="table" value="">' +
            '<input name="token" value="">' +
            '</form>'
        );
        Console.$requestForm.children('[name=token]').val(CommonParams.get('token'));
        Console.$requestForm.on('submit', AJAX.requestHandler);

        // Event binds shouldn't run again
        if (Console.isInitialized === false) {
            // Load config first
            if (Console.config.AlwaysExpand === true) {
                $('#pma_console_options input[name=always_expand]').prop('checked', true);
            }
            if (Console.config.StartHistory === true) {
                $('#pma_console_options').find('input[name=start_history]').prop('checked', true);
            }
            if (Console.config.CurrentQuery === true) {
                $('#pma_console_options').find('input[name=current_query]').prop('checked', true);
            }
            if (Console.config.EnterExecutes === true) {
                $('#pma_console_options').find('input[name=enter_executes]').prop('checked', true);
            }
            if (Console.config.DarkTheme === true) {
                $('#pma_console_options').find('input[name=dark_theme]').prop('checked', true);
                $('#pma_console').find('>.content').addClass('console_dark_theme');
            }

            ConsoleResizer.initialize();
            ConsoleInput.initialize();
            ConsoleMessages.initialize();
            ConsoleBookmarks.initialize();
            ConsoleDebug.initialize();

            Console.$consoleToolbar.children('.console_switch').on('click', Console.toggle);

            $('#pma_console').find('.toolbar').children().on('mousedown', function (event) {
                event.preventDefault();
                event.stopImmediatePropagation();
            });

            $('#pma_console').find('.button.clear').on('click', function () {
                ConsoleMessages.clear();
            });

            $('#pma_console').find('.button.history').on('click', function () {
                ConsoleMessages.showHistory();
            });

            $('#pma_console').find('.button.options').on('click', function () {
                Console.showCard('#pma_console_options');
            });

            $('#pma_console').find('.button.debug').on('click', function () {
                Console.showCard('#debug_console');
            });

            Console.$consoleContent.on('click', function (event) {
                if (event.target === this) {
                    ConsoleInput.focus();
                }
            });

            $('#pma_console').find('.mid_layer').on('click', function () {
                Console.hideCard($(this).parent().children('.card'));
            });
            $('#debug_console').find('.switch_button').on('click', function () {
                Console.hideCard($(this).closest('.card'));
            });
            $('#pma_bookmarks').find('.switch_button').on('click', function () {
                Console.hideCard($(this).closest('.card'));
            });
            $('#pma_console_options').find('.switch_button').on('click', function () {
                Console.hideCard($(this).closest('.card'));
            });

            $('#pma_console_options').find('input[type=checkbox]').on('change', function () {
                Console.updateConfig();
            });

            $('#pma_console_options').find('.button.default').on('click', function () {
                $('#pma_console_options input[name=always_expand]').prop('checked', false);
                $('#pma_console_options').find('input[name=start_history]').prop('checked', false);
                $('#pma_console_options').find('input[name=current_query]').prop('checked', true);
                $('#pma_console_options').find('input[name=enter_executes]').prop('checked', false);
                $('#pma_console_options').find('input[name=dark_theme]').prop('checked', false);
                Console.updateConfig();
            });

            $('#pma_console_options').find('input[name=enter_executes]').on('change', function () {
                ConsoleMessages.showInstructions(Console.config.EnterExecutes);
            });

            $(document).on('ajaxComplete', function (event, xhr, ajaxOptions) {
                // Not a json body, then skip
                if (ajaxOptions.dataType && ajaxOptions.dataType.indexOf('json') === -1) {
                    return;
                }
                if (xhr.status !== 200) {
                    return;
                }
                try {
                    var data = JSON.parse(xhr.responseText);
                    Console.ajaxCallback(data);
                } catch (e) {
                    // eslint-disable-next-line no-console, compat/compat
                    console.trace();
                    // eslint-disable-next-line no-console
                    console.log('Failed to parse JSON: ' + e.message);
                }
            });

            Console.isInitialized = true;
        }

        // Change console mode from cookie
        switch (Console.config.Mode) {
        case 'collapse':
            Console.collapse();
            break;
        case 'info':
            Console.info();
            break;
        case 'show':
            Console.show(true);
            Console.scrollBottom();
            break;
        default:
            Console.setConfig('Mode', 'info');
            Console.info();
        }
    },

    /**
     * Execute query and show results in console
     *
     * @param {string} queryString
     * @param {object} options
     *
     * @return {void}
     */
    execute: function (queryString, options) {
        if (typeof(queryString) !== 'string' || ! /[a-z]|[A-Z]/.test(queryString)) {
            return;
        }
        Console.$requestForm.children('textarea').val(queryString);
        Console.$requestForm.children('[name=server]').attr('value', CommonParams.get('server'));
        if (options && options.db) {
            Console.$requestForm.children('[name=db]').val(options.db);
            if (options.table) {
                Console.$requestForm.children('[name=table]').val(options.table);
            } else {
                Console.$requestForm.children('[name=table]').val('');
            }
        } else {
            Console.$requestForm.children('[name=db]').val(
                (CommonParams.get('db').length > 0 ? CommonParams.get('db') : ''));
        }
        Console.$requestForm.find('[name=profiling]').remove();
        if (options && options.profiling === true) {
            Console.$requestForm.append('<input name="profiling" value="on">');
        }
        if (! Functions.confirmQuery(Console.$requestForm[0], Console.$requestForm.children('textarea')[0].value)) {
            return;
        }
        Console.$requestForm.children('[name=console_message_id]')
            .val(ConsoleMessages.appendQuery({ 'sql_query': queryString }).message_id);
        Console.$requestForm.trigger('submit');
        ConsoleInput.clear();
        Navigation.reload();
    },
    ajaxCallback: function (data) {
        if (data && data.console_message_id) {
            ConsoleMessages.updateQuery(data.console_message_id, data.success,
                (data.reloadQuerywindow ? data.reloadQuerywindow : false));
        } else if (data && data.reloadQuerywindow) {
            if (data.reloadQuerywindow.sql_query.length > 0) {
                ConsoleMessages.appendQuery(data.reloadQuerywindow, 'successed')
                    .$message.addClass(Console.config.CurrentQuery ? '' : 'hide');
            }
        }
    },
    /**
     * Change console to collapse mode
     *
     * @return {void}
     */
    collapse: function () {
        Console.setConfig('Mode', 'collapse');
        var pmaConsoleHeight = Math.max(92, Console.config.Height);

        Console.$consoleToolbar.addClass('collapsed');
        Console.$consoleAllContents.height(pmaConsoleHeight);
        Console.$consoleContent.stop();
        Console.$consoleContent.animate({ 'margin-bottom': -1 * Console.$consoleContent.outerHeight() + 'px' },
            'fast', 'easeOutQuart', function () {
                Console.$consoleContent.css({ display:'none' });
                $(window).trigger('resize');
            });
        Console.hideCard();
    },
    /**
     * Show console
     *
     * @param {boolean} inputFocus If true, focus the input line after show()
     * @return {void}
     */
    show: function (inputFocus) {
        Console.setConfig('Mode', 'show');

        var pmaConsoleHeight = Math.max(92, Console.config.Height);
        // eslint-disable-next-line compat/compat
        pmaConsoleHeight = Math.min(Console.config.Height, (window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight) - 25);
        Console.$consoleContent.css({ display:'block' });
        if (Console.$consoleToolbar.hasClass('collapsed')) {
            Console.$consoleToolbar.removeClass('collapsed');
        }
        Console.$consoleAllContents.height(pmaConsoleHeight);
        Console.$consoleContent.stop();
        Console.$consoleContent.animate({ 'margin-bottom': 0 },
            'fast', 'easeOutQuart', function () {
                $(window).trigger('resize');
                if (inputFocus) {
                    ConsoleInput.focus();
                }
            });
    },
    /**
     * Change console to SQL information mode
     * this mode shows current SQL query
     * This mode is the default mode
     *
     * @return {void}
     */
    info: function () {
        // Under construction
        Console.collapse();
    },
    /**
     * Toggle console mode between collapse/show
     * Used for toggle buttons and shortcuts
     *
     * @return {void}
     */
    toggle: function () {
        switch (Console.config.Mode) {
        case 'collapse':
        case 'info':
            Console.show(true);
            break;
        case 'show':
            Console.collapse();
            break;
        }
    },
    /**
     * Scroll console to bottom
     *
     * @return {void}
     */
    scrollBottom: function () {
        Console.$consoleContent.scrollTop(Console.$consoleContent.prop('scrollHeight'));
    },
    /**
     * Show card
     *
     * @param {string | JQuery<Element>} cardSelector Selector, select string will be "#pma_console " + cardSelector
     * this param also can be JQuery object, if you need.
     *
     * @return {void}
     */
    showCard: function (cardSelector) {
        var $card = null;
        if (typeof(cardSelector) !== 'string') {
            if (cardSelector.length > 0) {
                $card = cardSelector;
            } else {
                return;
            }
        } else {
            $card = $('#pma_console ' + cardSelector);
        }
        if ($card.length === 0) {
            return;
        }
        $card.parent().children('.mid_layer').show().fadeTo(0, 0.15);
        $card.addClass('show');
        ConsoleInput.blur();
        if ($card.parents('.card').length > 0) {
            Console.showCard($card.parents('.card'));
        }
    },
    /**
     * Scroll console to bottom
     *
     * @param {object} $targetCard Target card JQuery object, if it's empty, function will hide all cards
     * @return {void}
     */
    hideCard: function ($targetCard) {
        if (! $targetCard) {
            $('#pma_console').find('.mid_layer').fadeOut(140);
            $('#pma_console').find('.card').removeClass('show');
        } else if ($targetCard.length > 0) {
            $targetCard.parent().find('.mid_layer').fadeOut(140);
            $targetCard.find('.card').removeClass('show');
            $targetCard.removeClass('show');
        }
    },
    /**
     * Used for update console config
     *
     * @return {void}
     */
    updateConfig: function () {
        Console.setConfig('AlwaysExpand', $('#pma_console_options input[name=always_expand]').prop('checked'));
        Console.setConfig('StartHistory', $('#pma_console_options').find('input[name=start_history]').prop('checked'));
        Console.setConfig('CurrentQuery', $('#pma_console_options').find('input[name=current_query]').prop('checked'));
        Console.setConfig('EnterExecutes', $('#pma_console_options').find('input[name=enter_executes]').prop('checked'));
        Console.setConfig('DarkTheme', $('#pma_console_options').find('input[name=dark_theme]').prop('checked'));
        /* Setting the dark theme of the console*/
        if (Console.config.DarkTheme) {
            $('#pma_console').find('>.content').addClass('console_dark_theme');
        } else {
            $('#pma_console').find('>.content').removeClass('console_dark_theme');
        }
    },
    setConfig: function (key, value) {
        Console.config[key] = value;
        Functions.configSet('Console/' + key, value);
    },
    isSelect: function (queryString) {
        var regExp = /^SELECT\s+/i;
        return regExp.test(queryString);
    }
};

/**
 * Resizer object
 * Careful: this object UI logics highly related with functions under Console
 * Resizing min-height is 32, if small than it, console will collapse
 */
var ConsoleResizer = {
    posY: 0,
    height: 0,
    resultHeight: 0,
    /**
     * Mousedown event handler for bind to resizer
     *
     * @param {MouseEvent} event
     *
     * @return {void}
     */
    mouseDown: function (event) {
        if (Console.config.Mode !== 'show') {
            return;
        }
        ConsoleResizer.posY = event.pageY;
        ConsoleResizer.height = Console.$consoleContent.height();
        $(document).on('mousemove', ConsoleResizer.mouseMove);
        $(document).on('mouseup', ConsoleResizer.mouseUp);
        // Disable text selection while resizing
        $(document).on('selectstart', function () {
            return false;
        });
    },
    /**
     * Mousemove event handler for bind to resizer
     *
     * @param {MouseEvent} event
     *
     * @return {void}
     */
    mouseMove: function (event) {
        if (event.pageY < 35) {
            event.pageY = 35;
        }
        ConsoleResizer.resultHeight = ConsoleResizer.height + (ConsoleResizer.posY - event.pageY);
        // Content min-height is 32, if adjusting height small than it we'll move it out of the page
        if (ConsoleResizer.resultHeight <= 32) {
            Console.$consoleAllContents.height(32);
            Console.$consoleContent.css('margin-bottom', ConsoleResizer.resultHeight - 32);
        } else {
            // Logic below makes viewable area always at bottom when adjusting height and content already at bottom
            if (Console.$consoleContent.scrollTop() + Console.$consoleContent.innerHeight() + 16
                >= Console.$consoleContent.prop('scrollHeight')) {
                Console.$consoleAllContents.height(ConsoleResizer.resultHeight);
                Console.scrollBottom();
            } else {
                Console.$consoleAllContents.height(ConsoleResizer.resultHeight);
            }
        }
    },
    /**
     * Mouseup event handler for bind to resizer
     *
     * @return {void}
     */
    mouseUp: function () {
        Console.setConfig('Height', Math.round(ConsoleResizer.resultHeight));
        Console.show();
        $(document).off('mousemove');
        $(document).off('mouseup');
        $(document).off('selectstart');
    },
    /**
     * Used for console resizer initialize
     *
     * @return {void}
     */
    initialize: function () {
        $('#pma_console').find('.toolbar').off('mousedown');
        $('#pma_console').find('.toolbar').on('mousedown', ConsoleResizer.mouseDown);
    }
};

/**
 * Console input object
 */
var ConsoleInput = {
    /**
     * @var array, contains Codemirror objects or input jQuery objects
     * @access private
     */
    inputs: null,
    /**
     * @var {boolean}, if codemirror enabled
     * @access private
     */
    codeMirror: false,
    /**
     * @var {number}, count for history navigation, 0 for current input
     * @access private
     */
    historyCount: 0,
    /**
     * @var {string}, current input when navigating through history
     * @access private
     */
    historyPreserveCurrent: null,
    /**
     * Used for console input initialize
     *
     * @return {void}
     */
    initialize: function () {
        // _cm object can't be reinitialize
        if (ConsoleInput.inputs !== null) {
            return;
        }
        if (typeof CodeMirror !== 'undefined') {
            ConsoleInput.codeMirror = true;
        }
        ConsoleInput.inputs = [];
        if (ConsoleInput.codeMirror) {
            // eslint-disable-next-line new-cap
            ConsoleInput.inputs.console = CodeMirror($('#pma_console').find('.console_query_input')[0], {
                // style: cm-s-pma
                theme: 'pma',
                mode: 'text/x-sql',
                lineWrapping: true,
                extraKeys: { 'Ctrl-Space': 'autocomplete' },
                hintOptions: { 'completeSingle': false, 'completeOnSingleClick': true },
                gutters: ['CodeMirror-lint-markers'],
                lint: {
                    'getAnnotations': CodeMirror.sqlLint,
                    'async': true,
                }
            });
            ConsoleInput.inputs.console.on('inputRead', Functions.codeMirrorAutoCompleteOnInputRead);
            ConsoleInput.inputs.console.on('keydown', function (instance, event) {
                ConsoleInput.historyNavigate(event);
            });
            if ($('#pma_bookmarks').length !== 0) {
                // eslint-disable-next-line new-cap
                ConsoleInput.inputs.bookmark = CodeMirror($('#pma_console').find('.bookmark_add_input')[0], {
                    // style: cm-s-pma
                    theme: 'pma',
                    mode: 'text/x-sql',
                    lineWrapping: true,
                    extraKeys: { 'Ctrl-Space': 'autocomplete' },
                    hintOptions: { 'completeSingle': false, 'completeOnSingleClick': true },
                    gutters: ['CodeMirror-lint-markers'],
                    lint: {
                        'getAnnotations': CodeMirror.sqlLint,
                        'async': true,
                    }
                });
                ConsoleInput.inputs.bookmark.on('inputRead', Functions.codeMirrorAutoCompleteOnInputRead);
            }
        } else {
            ConsoleInput.inputs.console =
                $('<textarea>').appendTo('#pma_console .console_query_input')
                    .on('keydown', ConsoleInput.historyNavigate);
            if ($('#pma_bookmarks').length !== 0) {
                ConsoleInput.inputs.bookmark =
                    $('<textarea>').appendTo('#pma_console .bookmark_add_input');
            }
        }
        $('#pma_console').find('.console_query_input').on('keydown', ConsoleInput.keyDown);
    },

    /**
     * @param {KeyboardEvent} event
     */
    historyNavigate: function (event) {
        if (event.keyCode === 38 || event.keyCode === 40) {
            var upPermitted = false;
            var downPermitted = false;
            var editor = ConsoleInput.inputs.console;
            var cursorLine;
            var totalLine;
            if (ConsoleInput.codeMirror) {
                cursorLine = editor.getCursor().line;
                totalLine = editor.lineCount();
            } else {
                // Get cursor position from textarea
                var text = ConsoleInput.getText();
                cursorLine = text.substr(0, editor.prop('selectionStart')).split('\n').length - 1;
                totalLine = text.split(/\r*\n/).length;
            }
            if (cursorLine === 0) {
                upPermitted = true;
            }
            if (cursorLine === totalLine - 1) {
                downPermitted = true;
            }
            var nextCount;
            var queryString = false;
            if (upPermitted && event.keyCode === 38) {
                // Navigate up in history
                if (ConsoleInput.historyCount === 0) {
                    ConsoleInput.historyPreserveCurrent = ConsoleInput.getText();
                }
                nextCount = ConsoleInput.historyCount + 1;
                queryString = ConsoleMessages.getHistory(nextCount);
            } else if (downPermitted && event.keyCode === 40) {
                // Navigate down in history
                if (ConsoleInput.historyCount === 0) {
                    return;
                }
                nextCount = ConsoleInput.historyCount - 1;
                if (nextCount === 0) {
                    queryString = ConsoleInput.historyPreserveCurrent;
                } else {
                    queryString = ConsoleMessages.getHistory(nextCount);
                }
            }
            if (queryString !== false) {
                ConsoleInput.historyCount = nextCount;
                ConsoleInput.setText(queryString, 'console');
                if (ConsoleInput.codeMirror) {
                    editor.setCursor(editor.lineCount(), 0);
                }
                event.preventDefault();
            }
        }
    },
    /**
     * Mousedown event handler for bind to input
     * Shortcut is Ctrl+Enter key or just ENTER, depending on console's
     * configuration.
     *
     * @param {KeyboardEvent} event
     *
     * @return {void}
     */
    keyDown: function (event) {
        // Execute command
        if (Console.config.EnterExecutes) {
            // Enter, but not in combination with Shift (which writes a new line).
            if (!event.shiftKey && event.keyCode === 13) {
                ConsoleInput.execute();
            }
        } else {
            // Ctrl+Enter
            if (event.ctrlKey && event.keyCode === 13) {
                ConsoleInput.execute();
            }
        }
        // Clear line
        if (event.ctrlKey && event.keyCode === 76) {
            ConsoleInput.clear();
        }
        // Clear console
        if (event.ctrlKey && event.keyCode === 85) {
            ConsoleMessages.clear();
        }
    },
    /**
     * Used for send text to Console.execute()
     *
     * @return {void}
     */
    execute: function () {
        if (ConsoleInput.codeMirror) {
            Console.execute(ConsoleInput.inputs.console.getValue());
        } else {
            Console.execute(ConsoleInput.inputs.console.val());
        }
    },
    /**
     * Used for clear the input
     *
     * @param {string} target, default target is console input
     * @return {void}
     */
    clear: function (target) {
        ConsoleInput.setText('', target);
    },
    /**
     * Used for set focus to input
     *
     * @return {void}
     */
    focus: function () {
        ConsoleInput.inputs.console.focus();
    },
    /**
     * Used for blur input
     *
     * @return {void}
     */
    blur: function () {
        if (ConsoleInput.codeMirror) {
            ConsoleInput.inputs.console.getInputField().blur();
        } else {
            ConsoleInput.inputs.console.blur();
        }
    },
    /**
     * Used for set text in input
     *
     * @param {string} text
     * @param {string} target
     * @return {void}
     */
    setText: function (text, target) {
        if (ConsoleInput.codeMirror) {
            switch (target) {
            case 'bookmark':
                Console.execute(ConsoleInput.inputs.bookmark.setValue(text));
                break;
            default:
            case 'console':
                Console.execute(ConsoleInput.inputs.console.setValue(text));
            }
        } else {
            switch (target) {
            case 'bookmark':
                Console.execute(ConsoleInput.inputs.bookmark.val(text));
                break;
            default:
            case 'console':
                Console.execute(ConsoleInput.inputs.console.val(text));
            }
        }
    },
    /**
     * @param {'bookmark'|'console'} target
     * @return {string}
     */
    getText: function (target) {
        if (ConsoleInput.codeMirror) {
            switch (target) {
            case 'bookmark':
                return ConsoleInput.inputs.bookmark.getValue();
            default:
            case 'console':
                return ConsoleInput.inputs.console.getValue();
            }
        } else {
            switch (target) {
            case 'bookmark':
                return ConsoleInput.inputs.bookmark.val();
            default:
            case 'console':
                return ConsoleInput.inputs.console.val();
            }
        }
    }

};

/**
 * Console messages, and message items management object
 */
var ConsoleMessages = {
    /**
     * Used for clear the messages
     *
     * @return {void}
     */
    clear: function () {
        $('#pma_console').find('.content .console_message_container .message:not(.welcome)').addClass('hide');
        $('#pma_console').find('.content .console_message_container .message.failed').remove();
        $('#pma_console').find('.content .console_message_container .message.expanded').find('.action.collapse').trigger('click');
    },
    /**
     * Used for show history messages
     *
     * @return {void}
     */
    showHistory: function () {
        $('#pma_console').find('.content .console_message_container .message.hide').removeClass('hide');
    },
    /**
     * Used for getting a perticular history query
     *
     * @param {number} nthLast get nth query message from latest, i.e 1st is last
     * @return {string | false} message
     */
    getHistory: function (nthLast) {
        var $queries = $('#pma_console').find('.content .console_message_container .query');
        var length = $queries.length;
        var $query = $queries.eq(length - nthLast);
        if (!$query || (length - nthLast) < 0) {
            return false;
        } else {
            return $query.text();
        }
    },
    /**
     * Used to show the correct message depending on which key
     * combination executes the query (Ctrl+Enter or Enter).
     *
     * @param {boolean} enterExecutes Only Enter has to be pressed to execute query.
     * @return {void}
     */
    showInstructions: function (enterExecutes) {
        var enter = +enterExecutes || 0; // conversion to int
        var $welcomeMsg = $('#pma_console').find('.content .console_message_container .message.welcome span');
        $welcomeMsg.children('[id^=instructions]').hide();
        $welcomeMsg.children('#instructions-' + enter).show();
    },
    /**
     * Used for log new message
     *
     * @param {string} msgString Message to show
     * @param {string} msgType Message type
     * @return {object | false}, {message_id, $message}
     */
    append: function (msgString, msgType) {
        if (typeof(msgString) !== 'string') {
            return false;
        }
        // Generate an ID for each message, we can find them later
        var msgId = Math.round(Math.random() * (899999999999) + 100000000000);
        var now = new Date();
        var $newMessage =
            $('<div class="message ' +
                (Console.config.AlwaysExpand ? 'expanded' : 'collapsed') +
                '" msgid="' + msgId + '"><div class="action_content"></div></div>');
        switch (msgType) {
        case 'query':
            $newMessage.append('<div class="query highlighted"></div>');
            if (ConsoleInput.codeMirror) {
                CodeMirror.runMode(msgString,
                    'text/x-sql', $newMessage.children('.query')[0]);
            } else {
                $newMessage.children('.query').text(msgString);
            }
            $newMessage.children('.action_content')
                .append(Console.$consoleTemplates.children('.query_actions').html());
            break;
        default:
        case 'normal':
            $newMessage.append('<div>' + msgString + '</div>');
        }
        ConsoleMessages.messageEventBinds($newMessage);
        $newMessage.find('span.text.query_time span')
            .text(now.getHours() + ':' + now.getMinutes() + ':' + now.getSeconds())
            .parent().attr('title', now);
        return {
            'message_id': msgId,
            $message: $newMessage.appendTo('#pma_console .content .console_message_container')
        };
    },
    /**
     * Used for log new query
     *
     * @param {string} queryData Struct should be
     * {sql_query: "Query string", db: "Target DB", table: "Target Table"}
     * @param {string} state Message state
     * @return {object}, {message_id: string message id, $message: JQuery object}
     */
    appendQuery: function (queryData, state) {
        var targetMessage = ConsoleMessages.append(queryData.sql_query, 'query');
        if (! targetMessage) {
            return false;
        }
        if (queryData.db && queryData.table) {
            targetMessage.$message.attr('targetdb', queryData.db);
            targetMessage.$message.attr('targettable', queryData.table);
            targetMessage.$message.find('.text.targetdb span').text(queryData.db);
        }
        if (Console.isSelect(queryData.sql_query)) {
            targetMessage.$message.addClass('select');
        }
        switch (state) {
        case 'failed':
            targetMessage.$message.addClass('failed');
            break;
        case 'successed':
            targetMessage.$message.addClass('successed');
            break;
        default:
        case 'pending':
            targetMessage.$message.addClass('pending');
        }
        return targetMessage;
    },
    messageEventBinds: function ($target) {
        // Leave unbinded elements, remove binded.
        var $targetMessage = $target.filter(':not(.binded)');
        if ($targetMessage.length === 0) {
            return;
        }
        $targetMessage.addClass('binded');

        $targetMessage.find('.action.expand').on('click', function () {
            $(this).closest('.message').removeClass('collapsed');
            $(this).closest('.message').addClass('expanded');
        });
        $targetMessage.find('.action.collapse').on('click', function () {
            $(this).closest('.message').addClass('collapsed');
            $(this).closest('.message').removeClass('expanded');
        });
        $targetMessage.find('.action.edit').on('click', function () {
            ConsoleInput.setText($(this).parent().siblings('.query').text());
            ConsoleInput.focus();
        });
        $targetMessage.find('.action.requery').on('click', function () {
            var query = $(this).parent().siblings('.query').text();
            var $message = $(this).closest('.message');
            if (confirm(Messages.strConsoleRequeryConfirm + '\n' +
                (query.length < 100 ? query : query.slice(0, 100) + '...'))
            ) {
                Console.execute(query, { db: $message.attr('targetdb'), table: $message.attr('targettable') });
            }
        });
        $targetMessage.find('.action.bookmark').on('click', function () {
            var query = $(this).parent().siblings('.query').text();
            var $message = $(this).closest('.message');
            ConsoleBookmarks.addBookmark(query, $message.attr('targetdb'));
            Console.showCard('#pma_bookmarks .card.add');
        });
        $targetMessage.find('.action.edit_bookmark').on('click', function () {
            var query = $(this).parent().siblings('.query').text();
            var $message = $(this).closest('.message');
            var isShared = $message.find('span.bookmark_label').hasClass('shared');
            var label = $message.find('span.bookmark_label').text();
            ConsoleBookmarks.addBookmark(query, $message.attr('targetdb'), label, isShared);
            Console.showCard('#pma_bookmarks .card.add');
        });
        $targetMessage.find('.action.delete_bookmark').on('click', function () {
            var $message = $(this).closest('.message');
            if (confirm(Messages.strConsoleDeleteBookmarkConfirm + '\n' + $message.find('.bookmark_label').text())) {
                $.post('index.php?route=/import',
                    {
                        'server': CommonParams.get('server'),
                        'action_bookmark': 2,
                        'ajax_request': true,
                        'id_bookmark': $message.attr('bookmarkid')
                    },
                    function () {
                        ConsoleBookmarks.refresh();
                    });
            }
        });
        $targetMessage.find('.action.profiling').on('click', function () {
            var $message = $(this).closest('.message');
            Console.execute($(this).parent().siblings('.query').text(),
                { db: $message.attr('targetdb'),
                    table: $message.attr('targettable'),
                    profiling: true });
        });
        $targetMessage.find('.action.explain').on('click', function () {
            var $message = $(this).closest('.message');
            Console.execute('EXPLAIN ' + $(this).parent().siblings('.query').text(),
                { db: $message.attr('targetdb'),
                    table: $message.attr('targettable') });
        });
        $targetMessage.find('.action.dbg_show_trace').on('click', function () {
            var $message = $(this).closest('.message');
            if (!$message.find('.trace').length) {
                ConsoleDebug.getQueryDetails(
                    $message.data('queryInfo'),
                    $message.data('totalTime'),
                    $message
                );
                ConsoleMessages.messageEventBinds($message.find('.message:not(.binded)'));
            }
            $message.addClass('show_trace');
            $message.removeClass('hide_trace');
        });
        $targetMessage.find('.action.dbg_hide_trace').on('click', function () {
            var $message = $(this).closest('.message');
            $message.addClass('hide_trace');
            $message.removeClass('show_trace');
        });
        $targetMessage.find('.action.dbg_show_args').on('click', function () {
            var $message = $(this).closest('.message');
            $message.addClass('show_args expanded');
            $message.removeClass('hide_args collapsed');
        });
        $targetMessage.find('.action.dbg_hide_args').on('click', function () {
            var $message = $(this).closest('.message');
            $message.addClass('hide_args collapsed');
            $message.removeClass('show_args expanded');
        });
        if (ConsoleInput.codeMirror) {
            $targetMessage.find('.query:not(.highlighted)').each(function (index, elem) {
                CodeMirror.runMode($(elem).text(),
                    'text/x-sql', elem);
                $(this).addClass('highlighted');
            });
        }
    },
    msgAppend: function (msgId, msgString) {
        var $targetMessage = $('#pma_console').find('.content .console_message_container .message[msgid=' + msgId + ']');
        if ($targetMessage.length === 0 || isNaN(parseInt(msgId)) || typeof(msgString) !== 'string') {
            return false;
        }
        $targetMessage.append('<div>' + msgString + '</div>');
    },
    updateQuery: function (msgId, isSuccessed, queryData) {
        var $targetMessage = $('#pma_console').find('.console_message_container .message[msgid=' + parseInt(msgId) + ']');
        if ($targetMessage.length === 0 || isNaN(parseInt(msgId))) {
            return false;
        }
        $targetMessage.removeClass('pending failed successed');
        if (isSuccessed) {
            $targetMessage.addClass('successed');
            if (queryData) {
                $targetMessage.children('.query').text('');
                $targetMessage.removeClass('select');
                if (Console.isSelect(queryData.sql_query)) {
                    $targetMessage.addClass('select');
                }
                if (ConsoleInput.codeMirror) {
                    CodeMirror.runMode(queryData.sql_query, 'text/x-sql', $targetMessage.children('.query')[0]);
                } else {
                    $targetMessage.children('.query').text(queryData.sql_query);
                }
                $targetMessage.attr('targetdb', queryData.db);
                $targetMessage.attr('targettable', queryData.table);
                $targetMessage.find('.text.targetdb span').text(queryData.db);
            }
        } else {
            $targetMessage.addClass('failed');
        }
    },
    /**
     * Used for console messages initialize
     *
     * @return {void}
     */
    initialize: function () {
        ConsoleMessages.messageEventBinds($('#pma_console').find('.message:not(.binded)'));
        if (Console.config.StartHistory) {
            ConsoleMessages.showHistory();
        }
        ConsoleMessages.showInstructions(Console.config.EnterExecutes);
    }
};

/**
 * Console bookmarks card, and bookmarks items management object
 */
var ConsoleBookmarks = {
    bookmarks: [],
    addBookmark: function (queryString, targetDb, label, isShared) {
        $('#pma_bookmarks').find('.add [name=shared]').prop('checked', false);
        $('#pma_bookmarks').find('.add [name=label]').val('');
        $('#pma_bookmarks').find('.add [name=targetdb]').val('');
        $('#pma_bookmarks').find('.add [name=id_bookmark]').val('');
        ConsoleInput.setText('', 'bookmark');

        if (typeof queryString !== 'undefined') {
            ConsoleInput.setText(queryString, 'bookmark');
        }
        if (typeof targetDb !== 'undefined') {
            $('#pma_bookmarks').find('.add [name=targetdb]').val(targetDb);
        }
        if (typeof label !== 'undefined') {
            $('#pma_bookmarks').find('.add [name=label]').val(label);
        }
        if (typeof isShared !== 'undefined') {
            $('#pma_bookmarks').find('.add [name=shared]').prop('checked', isShared);
        }
    },
    refresh: function () {
        $.get('index.php?route=/import',
            {
                'ajax_request': true,
                'server': CommonParams.get('server'),
                'console_bookmark_refresh': 'refresh'
            },
            function (data) {
                if (data.console_message_bookmark) {
                    $('#pma_bookmarks').find('.content.bookmark').html(data.console_message_bookmark);
                    ConsoleMessages.messageEventBinds($('#pma_bookmarks').find('.message:not(.binded)'));
                }
            });
    },
    /**
     * Used for console bookmarks initialize
     * message events are already binded by ConsoleMsg.messageEventBinds
     *
     * @return {void}
     */
    initialize: function () {
        if ($('#pma_bookmarks').length === 0) {
            return;
        }
        $('#pma_console').find('.button.bookmarks').on('click', function () {
            Console.showCard('#pma_bookmarks');
        });
        $('#pma_bookmarks').find('.button.add').on('click', function () {
            Console.showCard('#pma_bookmarks .card.add');
        });
        $('#pma_bookmarks').find('.card.add [name=submit]').on('click', function () {
            if ($('#pma_bookmarks').find('.card.add [name=label]').val().length === 0
                || ConsoleInput.getText('bookmark').length === 0) {
                alert(Messages.strFormEmpty);
                return;
            }
            $(this).prop('disabled', true);
            $.post('index.php?route=/import',
                {
                    'ajax_request': true,
                    'console_bookmark_add': 'true',
                    'label': $('#pma_bookmarks').find('.card.add [name=label]').val(),
                    'server': CommonParams.get('server'),
                    'db': $('#pma_bookmarks').find('.card.add [name=targetdb]').val(),
                    'bookmark_query': ConsoleInput.getText('bookmark'),
                    'shared': $('#pma_bookmarks').find('.card.add [name=shared]').prop('checked')
                },
                function () {
                    ConsoleBookmarks.refresh();
                    $('#pma_bookmarks').find('.card.add [name=submit]').prop('disabled', false);
                    Console.hideCard($('#pma_bookmarks').find('.card.add'));
                });
        });
        $('#pma_console').find('.button.refresh').on('click', function () {
            ConsoleBookmarks.refresh();
        });
    }
};

var ConsoleDebug = {
    config: {
        groupQueries: false,
        orderBy: 'exec', // Possible 'exec' => Execution order, 'time' => Time taken, 'count'
        order: 'asc' // Possible 'asc', 'desc'
    },
    lastDebugInfo: {
        debugInfo: null,
        url: null
    },
    initialize: function () {
        // Try to get debug info after every AJAX request
        $(document).on('ajaxSuccess', function (event, xhr, settings, data) {
            if (data.debug) {
                ConsoleDebug.showLog(data.debug, settings.url);
            }
        });

        if (Console.config.GroupQueries) {
            $('#debug_console').addClass('grouped');
        } else {
            $('#debug_console').addClass('ungrouped');
            if (Console.config.OrderBy === 'count') {
                $('#debug_console').find('.button.order_by.sort_exec').addClass('active');
            }
        }
        var orderBy = Console.config.OrderBy;
        var order = Console.config.Order;
        $('#debug_console').find('.button.order_by.sort_' + orderBy).addClass('active');
        $('#debug_console').find('.button.order.order_' + order).addClass('active');

        // Initialize actions in toolbar
        $('#debug_console').find('.button.group_queries').on('click', function () {
            $('#debug_console').addClass('grouped');
            $('#debug_console').removeClass('ungrouped');
            Console.setConfig('GroupQueries', true);
            ConsoleDebug.refresh();
            if (Console.config.OrderBy === 'count') {
                $('#debug_console').find('.button.order_by.sort_exec').removeClass('active');
            }
        });
        $('#debug_console').find('.button.ungroup_queries').on('click', function () {
            $('#debug_console').addClass('ungrouped');
            $('#debug_console').removeClass('grouped');
            Console.setConfig('GroupQueries', false);
            ConsoleDebug.refresh();
            if (Console.config.OrderBy === 'count') {
                $('#debug_console').find('.button.order_by.sort_exec').addClass('active');
            }
        });
        $('#debug_console').find('.button.order_by').on('click', function () {
            var $this = $(this);
            $('#debug_console').find('.button.order_by').removeClass('active');
            $this.addClass('active');
            if ($this.hasClass('sort_time')) {
                Console.setConfig('OrderBy', 'time');
            } else if ($this.hasClass('sort_exec')) {
                Console.setConfig('OrderBy', 'exec');
            } else if ($this.hasClass('sort_count')) {
                Console.setConfig('OrderBy', 'count');
            }
            ConsoleDebug.refresh();
        });
        $('#debug_console').find('.button.order').on('click', function () {
            var $this = $(this);
            $('#debug_console').find('.button.order').removeClass('active');
            $this.addClass('active');
            if ($this.hasClass('order_asc')) {
                Console.setConfig('Order', 'asc');
            } else if ($this.hasClass('order_desc')) {
                Console.setConfig('Order', 'desc');
            }
            ConsoleDebug.refresh();
        });

        // Show SQL debug info for first page load
        if (typeof debugSQLInfo !== 'undefined' && debugSQLInfo !== 'null') {
            $('#pma_console').find('.button.debug').removeClass('hide');
        } else {
            return;
        }
        ConsoleDebug.showLog(debugSQLInfo);
    },
    formatFunctionCall: function (dbgStep) {
        var functionName = '';
        if ('class' in dbgStep) {
            functionName += dbgStep.class;
            functionName += dbgStep.type;
        }
        functionName += dbgStep.function;
        if (dbgStep.args && dbgStep.args.length) {
            functionName += '(...)';
        } else {
            functionName += '()';
        }
        return functionName;
    },
    formatFunctionArgs: function (dbgStep) {
        var $args = $('<div>');
        if (dbgStep.args.length) {
            $args.append('<div class="message welcome">')
                .append(
                    $('<div class="message welcome">')
                        .text(
                            Functions.sprintf(
                                Messages.strConsoleDebugArgsSummary,
                                dbgStep.args.length
                            )
                        )
                );
            for (var i = 0; i < dbgStep.args.length; i++) {
                $args.append(
                    $('<div class="message">')
                        .html(
                            '<pre>' +
                        Functions.escapeHtml(JSON.stringify(dbgStep.args[i], null, '  ')) +
                        '</pre>'
                        )
                );
            }
        }
        return $args;
    },
    formatFileName: function (dbgStep) {
        var fileName = '';
        if ('file' in dbgStep) {
            fileName += dbgStep.file;
            fileName += '#' + dbgStep.line;
        }
        return fileName;
    },
    formatBackTrace: function (dbgTrace) {
        var $traceElem = $('<div class="trace">');
        $traceElem.append(
            $('<div class="message welcome">')
        );
        var step;
        var $stepElem;
        for (var stepId in dbgTrace) {
            if (dbgTrace.hasOwnProperty(stepId)) {
                step = dbgTrace[stepId];
                if (!Array.isArray(step) && typeof step !== 'object') {
                    $stepElem =
                        $('<div class="message traceStep collapsed hide_args">')
                            .append(
                                $('<span>').text(step)
                            );
                } else {
                    if (typeof step.args === 'string' && step.args) {
                        step.args = [step.args];
                    }
                    $stepElem =
                        $('<div class="message traceStep collapsed hide_args">')
                            .append(
                                $('<span class="function">').text(this.formatFunctionCall(step))
                            )
                            .append(
                                $('<span class="file">').text(this.formatFileName(step))
                            );
                    if (step.args && step.args.length) {
                        $stepElem
                            .append(
                                $('<span class="args">').html(this.formatFunctionArgs(step))
                            )
                            .prepend(
                                $('<div class="action_content">')
                                    .append(
                                        '<span class="action dbg_show_args">' +
                                Messages.strConsoleDebugShowArgs +
                                '</span> '
                                    )
                                    .append(
                                        '<span class="action dbg_hide_args">' +
                                Messages.strConsoleDebugHideArgs +
                                '</span> '
                                    )
                            );
                    }
                }
                $traceElem.append($stepElem);
            }
        }
        return $traceElem;
    },
    formatQueryOrGroup: function (queryInfo, totalTime) {
        var grouped;
        var queryText;
        var queryTime;
        var count;
        var i;
        if (Array.isArray(queryInfo)) {
            // It is grouped
            grouped = true;

            queryText = queryInfo[0].query;

            queryTime = 0;
            for (i in queryInfo) {
                queryTime += queryInfo[i].time;
            }

            count = queryInfo.length;
        } else {
            queryText = queryInfo.query;
            queryTime = queryInfo.time;
        }

        var $query = $('<div class="message collapsed hide_trace">')
            .append(
                $('#debug_console').find('.templates .debug_query').clone()
            )
            .append(
                $('<div class="query">')
                    .text(queryText)
            )
            .data('queryInfo', queryInfo)
            .data('totalTime', totalTime);
        if (grouped) {
            $query.find('span.text.count').removeClass('hide');
            $query.find('span.text.count span').text(count);
        }
        $query.find('span.text.time span').text(ConsoleDebug.getQueryTimeTaken(queryTime, totalTime));

        return $query;
    },
    appendQueryExtraInfo: function (query, $elem) {
        if ('error' in query) {
            $elem.append(
                $('<div>').append($('<span class="text-danger">').text(query.error))
            );
        }
        $elem.append(this.formatBackTrace(query.trace));
    },
    getQueryTimeTaken: function (queryTime, totalTime) {
        return queryTime + 's (' + ((queryTime * 100) / totalTime).toFixed(3) + '%)';
    },
    getQueryDetails: function (queryInfo, totalTime, $query) {
        if (Array.isArray(queryInfo)) {
            var $singleQuery;
            for (var i in queryInfo) {
                $singleQuery = $('<div class="message welcome trace">')
                    .text((parseInt(i) + 1) + '.')
                    .append(
                        $('<span class="time">').text(
                            Messages.strConsoleDebugTimeTaken + ' ' + ConsoleDebug.getQueryTimeTaken(queryInfo[i].time, totalTime)
                        )
                    );
                this.appendQueryExtraInfo(queryInfo[i], $singleQuery);
                $query
                    .append('<div class="message welcome trace">')
                    .append($singleQuery);
            }
        } else {
            this.appendQueryExtraInfo(queryInfo, $query);
        }
    },
    showLog: function (debugInfo, url) {
        this.lastDebugInfo.debugInfo = debugInfo;
        this.lastDebugInfo.url = url;

        $('#debug_console').find('.debugLog').empty();
        $('#debug_console').find('.debug>.welcome').empty();

        var debugJson = false;
        var i;
        if (typeof debugInfo === 'object' && 'queries' in debugInfo) {
            // Copy it to debugJson, so that it doesn't get changed
            if (!('queries' in debugInfo)) {
                debugJson = false;
            } else {
                debugJson = { queries: [] };
                for (i in debugInfo.queries) {
                    debugJson.queries[i] = debugInfo.queries[i];
                }
            }
        } else if (typeof debugInfo === 'string') {
            try {
                debugJson = JSON.parse(debugInfo);
            } catch (e) {
                debugJson = false;
            }
            if (debugJson && !('queries' in debugJson)) {
                debugJson = false;
            }
        }
        if (debugJson === false) {
            $('#debug_console').find('.debug>.welcome').text(
                Messages.strConsoleDebugError
            );
            return;
        }
        var allQueries = debugJson.queries;
        var uniqueQueries = {};

        var totalExec = allQueries.length;

        // Calculate total time and make unique query array
        var totalTime = 0;
        for (i = 0; i < totalExec; ++i) {
            totalTime += allQueries[i].time;
            if (!(allQueries[i].hash in uniqueQueries)) {
                uniqueQueries[allQueries[i].hash] = [];
            }
            uniqueQueries[allQueries[i].hash].push(allQueries[i]);
        }
        // Count total unique queries, convert uniqueQueries to Array
        var totalUnique = 0;
        var uniqueArray = [];
        for (var hash in uniqueQueries) {
            if (uniqueQueries.hasOwnProperty(hash)) {
                ++totalUnique;
                uniqueArray.push(uniqueQueries[hash]);
            }
        }
        uniqueQueries = uniqueArray;
        // Show summary
        $('#debug_console').find('.debug>.welcome').append(
            $('<span class="debug_summary">').text(
                Functions.sprintf(
                    Messages.strConsoleDebugSummary,
                    totalUnique,
                    totalExec,
                    totalTime
                )
            )
        );
        if (url) {
            var decodedUrl = new URLSearchParams(url.split('?')[1]);
            $('#debug_console').find('.debug>.welcome').append(
                $('<span class="script_name">').text(decodedUrl.has('route') ? decodedUrl.get('route') : url)
            );
        }

        // For sorting queries
        function sortByTime (a, b) {
            var order = ((Console.config.Order === 'asc') ? 1 : -1);
            if (Array.isArray(a) && Array.isArray(b)) {
                // It is grouped
                var timeA = 0;
                var timeB = 0;
                var i;
                for (i in a) {
                    timeA += a[i].time;
                }
                for (i in b) {
                    timeB += b[i].time;
                }
                return (timeA - timeB) * order;
            } else {
                return (a.time - b.time) * order;
            }
        }

        function sortByCount (a, b) {
            var order = ((Console.config.Oorder === 'asc') ? 1 : -1);
            return (a.length - b.length) * order;
        }

        var orderBy = Console.config.OrderBy;
        var order = Console.config.Order;

        if (Console.config.GroupQueries) {
            // Sort queries
            if (orderBy === 'time') {
                uniqueQueries.sort(sortByTime);
            } else if (orderBy === 'count') {
                uniqueQueries.sort(sortByCount);
            } else if (orderBy === 'exec' && order === 'desc') {
                uniqueQueries.reverse();
            }
            for (i in uniqueQueries) {
                if (orderBy === 'time') {
                    uniqueQueries[i].sort(sortByTime);
                } else if (orderBy === 'exec' && order === 'desc') {
                    uniqueQueries[i].reverse();
                }
                $('#debug_console').find('.debugLog').append(this.formatQueryOrGroup(uniqueQueries[i], totalTime));
            }
        } else {
            if (orderBy === 'time') {
                allQueries.sort(sortByTime);
            } else if (order === 'desc') {
                allQueries.reverse();
            }
            for (i = 0; i < totalExec; ++i) {
                $('#debug_console').find('.debugLog').append(this.formatQueryOrGroup(allQueries[i], totalTime));
            }
        }

        ConsoleMessages.messageEventBinds($('#debug_console').find('.message:not(.binded)'));
    },
    refresh: function () {
        var last = this.lastDebugInfo;
        ConsoleDebug.showLog(last.debugInfo, last.url);
    }
};

/**
 * Executed on page load
 */
$(function () {
    Console.initialize();
});