/**
 * Mark-as-Junk plugin script
 *
 * @licstart  The following is the entire license notice for the
 * JavaScript code in this file.
 *
 * Copyright (c) The Roundcube Dev Team
 * Copyright (C) Philip Weir
 *
 * The JavaScript code in this page is free software: you can redistribute it
 * and/or modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * @licend  The above is the entire license notice
 * for the JavaScript code in this file.
 */

rcube_webmail.prototype.markasjunk_mark = function (is_spam) {
    var uids = this.env.uid ? [this.env.uid] : this.message_list.get_selection();
    if (!uids) {
        return;
    }

    var lock = this.set_busy(true, 'loading');
    this.http_post('plugin.markasjunk.' + (is_spam ? 'junk' : 'not_junk'), this.selection_post_data({ _uid: uids }), lock);
};

rcube_webmail.prototype.markasjunk_move = function (mbox, uids) {
    var prev_uid = this.env.uid;

    if (this.message_list && uids.length == 1 && !this.message_list.in_selection(uids[0])) {
        this.env.uid = uids[0];
    }

    if (mbox) {
        this.move_messages(mbox);
    } else if (this.env.markasjunk_permanently_remove == true) {
        this.permanently_remove_messages();
    } else {
        this.delete_messages();
    }

    this.env.uid = prev_uid;
};

rcube_webmail.prototype.markasjunk_toggle_button = function () {
    var spamobj = $('a.junk'),
        hamobj = $('a.notjunk'),
        disp = { spam: true, ham: true };

    if (this.env.markasjunk_spam_only) {
        disp.ham = false;
    } else if (!this.is_multifolder_listing() && this.env.markasjunk_spam_mailbox) {
        if (this.env.mailbox != this.env.markasjunk_spam_mailbox) {
            disp.ham = false;
        } else {
            disp.spam = false;
        }
    }

    // if only 1 button is visible make sure its the last one (for styling)
    // allow for multiple instances of the buttons, eg toolbar and contextmenu
    $.each(spamobj, function (i) {
        var cur_spamobj = spamobj.eq(i),
            cur_hamobj = hamobj.eq(i),
            cur_index = spamobj.eq(i).index();

        if (cur_spamobj.parent('li').length > 0) {
            cur_spamobj = cur_spamobj.parent();
            cur_hamobj = cur_hamobj.parent();
        }

        var evt_rtn = rcmail.triggerEvent('markasjunk-update', { objs: { spamobj: cur_spamobj, hamobj: cur_hamobj }, disp: disp });
        if (evt_rtn && evt_rtn.abort) {
            return;
        }

        disp = evt_rtn ? evt_rtn.disp : disp;

        disp.spam ? cur_spamobj.show() : cur_spamobj.hide();
        disp.ham ? cur_hamobj.show() : cur_hamobj.hide();

        if (disp.spam && !disp.ham) {
            if (cur_index < cur_hamobj.index()) {
                cur_spamobj.insertAfter(cur_hamobj);
            }
        } else if (cur_index > cur_hamobj.index()) {
            cur_hamobj.insertAfter(cur_spamobj);
        }
    });
};

rcube_webmail.prototype.markasjunk_is_spam_mbox = function () {
    return !this.is_multifolder_listing() && this.env.mailbox == this.env.markasjunk_spam_mailbox;
};

if (window.rcmail) {
    rcmail.addEventListener('init', function () {
        // register command (directly enable in message view mode)
        rcmail.register_command('plugin.markasjunk.junk', function () {
            rcmail.markasjunk_mark(true);
        }, !rcmail.markasjunk_is_spam_mbox() && rcmail.env.uid);
        rcmail.register_command('plugin.markasjunk.not_junk', function () {
            rcmail.markasjunk_mark(false);
        }, rcmail.env.uid);

        if (rcmail.message_list) {
            rcmail.message_list.addEventListener('select', function (list) {
                rcmail.enable_command('plugin.markasjunk.junk', !rcmail.markasjunk_is_spam_mbox() && list.get_selection(false).length > 0);
                rcmail.enable_command('plugin.markasjunk.not_junk', list.get_selection(false).length > 0);
            });
        }

        // make sure the correct icon is displayed even when there is no listupdate event
        rcmail.markasjunk_toggle_button();
    });

    rcmail.addEventListener('listupdate', function () {
        rcmail.markasjunk_toggle_button();
    });

    rcmail.addEventListener('beforemove', function (mbox) {
        if (mbox && typeof mbox === 'object') {
            mbox = mbox.id;
        }

        if (!mbox) {
            return;
        }

        var is_spam = null;

        // check if destination mbox equals junk box (and we're not already in the junk box)
        if (rcmail.env.markasjunk_move_spam && mbox == rcmail.env.markasjunk_spam_mailbox && mbox != rcmail.env.mailbox) {
            is_spam = true;
        }
        // or if destination mbox equals ham box and we are in the junk box
        else if (rcmail.env.markasjunk_move_ham && mbox == rcmail.env.markasjunk_ham_mailbox && rcmail.env.mailbox == rcmail.env.markasjunk_spam_mailbox) {
            is_spam = false;
        }

        if (is_spam !== null) {
            rcmail.markasjunk_mark(is_spam);
            return false;
        }
    });
}