/**
 * This file belongs to the YIT Framework.
 *
 * This source file is subject to the GNU GENERAL PUBLIC LICENSE (GPL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.gnu.org/licenses/gpl-3.0.txt
 */
(function ($) {

	var plugins_menu_item   = $( '#menu-plugins' ),
        update              = plugins_menu_item.find('.update-plugins'),
	    count               = update.find(".update-count").text(),
        registered          = plugins.registered,
        activated           = plugins.activated;

    if( count == 0 || count == ''){
        var update_row = '<span class="update-plugins"><span class="plugin-count"></span></span>';
        count = 0;
        plugins_menu_item.find( '.wp-menu-name').append( update_row );
    }

    /**
     * Add the plugin update rows for old plugins
     */
    update_plugins_row( registered, activated, count, plugins );

    /**
     *
     * Add the update plugin rows for old plugin
     *
     * @author Andrea Grillo <andrea.grillo@yithemes.com>
     *
     * @param registered Registred plugins
     * @param activated Activated plugins
     * @param count     Number of old plugins
     * @param localize  Localize strings array
     *
     * @return void
     */
    function update_plugins_row( registered, activated, count, localize ){
        for( var init in registered ){
            var plugin = registered[init];
            for( var headers in plugin ){

                if( headers == 'slug' || version_compare( plugin[headers].Version, plugin[headers].Latest, '>=' ) ) {
                    continue;
                }

                count = parseInt(count) + 1;
                $(".plugin-count").empty().html(count);

                var regex   = new RegExp(' ', 'g'),
                    info    = plugin[headers],
                    name    = '' + info.Name,
                    id      = name.replace(regex, '-').trim(),
                    row     = '#' + id.toLowerCase();

                $(row).addClass("update");

                var html = '<tr class="plugin-update-tr">' +
                                '<td colspan="3" class="plugin-update colspanchange">' +
                                    '<div class="update-message">' + localize.strings.new_version.replace( '%plugin_name%', name ) +
                                    '<a class="thickbox" href="' + localize.details_url[init] + '">' + localize.strings.latest.replace( '%latest%', plugin[headers].Latest ) + '</a>';

                if( typeof activated[init] == "undefined" ) {

                    html = html +
                            ' <em>' + localize.strings.unavailable + '</em>' +
                                      localize.strings.activate.replace( '%activate_link%', localize.licence_activation_url ).replace( '%plugin_name%', name );
                } else {
                    html = html +
                        '. <a href="' + localize.update_url[init] + '">' + localize.strings.update_now + '</a>';
                }

                if( typeof localize.changelogs[init] != 'undefined' ){
                    html = html + localize.changelogs[init];
                }

                html = html +
                        '</div>' +
                    '</td>' +
                '</tr>';

                $(html).insertAfter(row);
            }
        }
    }

    /**
     *
     * @param v1 Version 1
     * @param v2 Version 2
     * @param operator  Compare type
     * @returns bool
     *
     * @see php.js library http://phpjs.org/
     */
    function version_compare(v1, v2, operator) {
        //       discuss at: http://phpjs.org/functions/version_compare/
        //      original by: Philippe Jausions (http://pear.php.net/user/jausions)
        //      original by: Aidan Lister (http://aidanlister.com/)
        // reimplemented by: Kankrelune (http://www.webfaktory.info/)
        //      improved by: Brett Zamir (http://brett-zamir.me)
        //      improved by: Scott Baker
        //      improved by: Theriault
        //        example 1: version_compare('8.2.5rc', '8.2.5a');
        //        returns 1: 1
        //        example 2: version_compare('8.2.50', '8.2.52', '<');
        //        returns 2: true
        //        example 3: version_compare('5.3.0-dev', '5.3.0');
        //        returns 3: -1
        //        example 4: version_compare('4.1.0.52','4.01.0.51');
        //        returns 4: 1

        this.php_js = this.php_js || {};
        this.php_js.ENV = this.php_js.ENV || {};
        // END REDUNDANT
        // Important: compare must be initialized at 0.
        var i = 0,
            x = 0,
            compare = 0,
        // vm maps textual PHP versions to negatives so they're less than 0.
        // PHP currently defines these as CASE-SENSITIVE. It is important to
        // leave these as negatives so that they can come before numerical versions
        // and as if no letters were there to begin with.
        // (1alpha is < 1 and < 1.1 but > 1dev1)
        // If a non-numerical value can't be mapped to this table, it receives
        // -7 as its value.
            vm = {
                'dev'  : -6,
                'alpha': -5,
                'a'    : -5,
                'beta' : -4,
                'b'    : -4,
                'RC'   : -3,
                'rc'   : -3,
                '#'    : -2,
                'p'    : 1,
                'pl'   : 1
            },
        // This function will be called to prepare each version argument.
        // It replaces every _, -, and + with a dot.
        // It surrounds any nonsequence of numbers/dots with dots.
        // It replaces sequences of dots with a single dot.
        //    version_compare('4..0', '4.0') == 0
        // Important: A string of 0 length needs to be converted into a value
        // even less than an unexisting value in vm (-7), hence [-8].
        // It's also important to not strip spaces because of this.
        //   version_compare('', ' ') == 1
            prepVersion = function (v) {
                v = ('' + v)
                    .replace(/[_\-+]/g, '.');
                v = v.replace(/([^.\d]+)/g, '.$1.')
                    .replace(/\.{2,}/g, '.');
                return (!v.length ? [-8] : v.split('.'));
            };
        // This converts a version component to a number.
        // Empty component becomes 0.
        // Non-numerical component becomes a negative number.
        // Numerical component becomes itself as an integer.
        numVersion = function (v) {
            return !v ? 0 : (isNaN(v) ? vm[v] || -7 : parseInt(v, 10));
        };
        v1 = prepVersion(v1);
        v2 = prepVersion(v2);
        x = Math.max(v1.length, v2.length);
        for (i = 0; i < x; i++) {
            if (v1[i] == v2[i]) {
                continue;
            }
            v1[i] = numVersion(v1[i]);
            v2[i] = numVersion(v2[i]);
            if (v1[i] < v2[i]) {
                compare = -1;
                break;
            } else if (v1[i] > v2[i]) {
                compare = 1;
                break;
            }
        }
        if (!operator) {
            return compare;
        }

        // Important: operator is CASE-SENSITIVE.
        // "No operator" seems to be treated as "<."
        // Any other values seem to make the function return null.
        switch (operator) {
            case '>':
            case 'gt':
                return (compare > 0);
            case '>=':
            case 'ge':
                return (compare >= 0);
            case '<=':
            case 'le':
                return (compare <= 0);
            case '==':
            case '=':
            case 'eq':
                return (compare === 0);
            case '<>':
            case '!=':
            case 'ne':
                return (compare !== 0);
            case '':
            case '<':
            case 'lt':
                return (compare < 0);
            default:
                return null;
        }
    }

})(jQuery);
