/**
 * jQuery rewrite is almost completely taken from infomail plugin
 * @author Andreas Gohr
 */

const recommend = {
    $dialog: null,

    /**
     * Attach click handler to our link
     */
    init: function () {
        jQuery('a.plugin_recommend').click(recommend.initform);
        jQuery('li.recommend a').click(recommend.initform);
    },

    /**
     * Initializes the form dialog on click
     *
     * @param {Event} e
     */
    initform: function (e) {
        e.stopPropagation();
        e.preventDefault();

        let url = new URL(e.currentTarget.href);
        // searchParams only works, when no URL rewriting takes place
        // from Dokuwiki - else there is no parameter id and this
        // returns null
        let id = url.searchParams.get('id');
        if ( id === null ) {
            // Convert url to string an get the last part without
            // any parameters from actions and the like
            url = String(url);
            id = url.split('/').pop().split('?')[0];
        }

        recommend.$dialog = jQuery('<div></div>');
        recommend.$dialog.dialog(
            {
                modal: true,
                title: LANG.plugins.recommend.formname + ' ' + id,
                minWidth: 680,
                height: "auto",
                close: function () {
                    recommend.$dialog.dialog('destroy')
                }
            }
        );

        jQuery.get(
            DOKU_BASE + 'lib/exe/ajax.php',
            {
                'call': 'recommend',
                'id': id
            },
            recommend.handleResult,
            'html'
        );
    },

    /**
     * Display the result and attach handlers
     *
     * @param {string} data The HTML
     */
    handleResult: function (data) {
        recommend.$dialog.html(data);
        recommend.$dialog.find('button[type=reset]').click(recommend.cancel);
        recommend.$dialog.find('button[type=submit]').click(recommend.send);
    },

    /**
     * Cancel the recommend form
     *
     * @param {Event} e
     */
    cancel: function (e) {
        e.preventDefault();
        e.stopPropagation();
        recommend.$dialog.dialog('destroy');
    },

    /**
     * Serialize the form and send it
     *
     * @param {Event} e
     */
    send: function (e) {
        e.preventDefault();
        e.stopPropagation();

        let data = recommend.$dialog.find('form').serialize();
        data = data + '&call=recommend';

        recommend.$dialog.html('...');
        jQuery.post(
            DOKU_BASE + 'lib/exe/ajax.php',
            data,
            recommend.handleResult,
            'html'
        );
    }
};
jQuery(recommend.init);