// vim: set sw=4 ts=4 et

/* check for ongoing restores and display them; if there are onoing restores,
 * set a timer for update_countdown */
function update_restore_queues() {
    do_post('get_restores', {}, function(data) {
        // reset the timer
        var countdown_span = $j('#restore_queue_timer');
        countdown_span.data('timer', countdown_span.data('dur'));
        if (data.status != 0) {
            console.log(data);
            $j('#loading-div').data('restores-loaded', 1);
            finish_loading();
            return;
        }
        var do_timer = false; // whether to start the refresh timer
        var has_queue = false; // if items appear in the "Restorations In Queue" col
        var queue_div = $j('#restore_queue');
        queue_div.empty();
        $j.each(data.data, function(restore_index, restore) {
            has_queue = true;
            if (restore.state == 'In Progress' || restore.state == 'Starting') {
                do_timer = true;
            }
            queue_div.append(make_restore_div(restore));
        });
        if (has_queue) {
            $j('#restore_queue_div').show();
        } else {
            $j('#restore_queue_div').hide();
        }
        if (do_timer) {
            $j('#restore_queue_timer_div').show();
            if (window.countdown_timer == undefined) {
                window.countdown_timer = setInterval(update_countdown, 1000);
            }
        } else {
            $j('#restore_queue_timer_div').hide();
        }
        $j('#loading-div').data('restores-loaded', 1);
        finish_loading();
    });
}

/* decrement the restore queue countdown until 0, then stop the timer
 * and run update_restore_queues again */
function update_countdown() {
    var span = $j('#restore_queue_timer');
    var num = Number(span.data('timer'));
    if (num > 1) {
        span.data('timer', num - 1);
    } else {
        span.text('timer', 0);
        // update_restore_queues will start the timer again if needed
        clearInterval(window.countdown_timer);
        window.countdown_timer = undefined;
        update_restore_queues();
    }
}

/* make an individual div.well for the restoration queues */
function make_restore_div(restore) {
    // Make the progress bar
    var progbar = $j('<div>', { 'class': 'progress restore-progress' });
    if (restore.state == 'Failed') {
        var progbar_inner = $j('<div>', { 'class': 'progress-bar restore-progress-failed' });
        progbar_inner.css('width', '100%');
    } else if (restore.state == 'Finished') {
        var progbar_inner = $j('<div>', { 'class': 'progress-bar restore-progress-finished' });
        progbar_inner.css('width', '100%');
    } else {
        var progbar_inner = $j('<div>', { 'class': 'progress-bar bar-animated' });
        progbar_inner.css('width', String(restore.progress).concat('%'));
    }
    if (restore.state == 'Failed' || restore.state == 'Finished') {
        progbar.append($j('<span>', { 'text': restore.state, 'class': 'restore-prog-span-done' }));
    } else {
        progbar.append($j('<span>', { 'text': restore.state, 'class': 'restore-prog-span' }));
    }
    progbar.append(progbar_inner);
    // Make the cancel link
    var cancel_btn = $j('<a>', { href: '#', onClick: 'cancel_restore_item(this)' });
    cancel_btn.data('tag', restore.tag);
    if (restore.state == 'Finished') {
        cancel_btn.append($j('<i>', { 'class': 'fa fa-trash', 'html': '&nbsp;Dismiss' }));
    } else if (restore.state == 'Failed') {
        cancel_btn.append($j('<i>', { 'class': 'fa fa-trash', 'html': '&nbsp;Delete' }));
    } else {
        cancel_btn.append($j('<i>', { 'class': 'fa fa-trash', 'html': '&nbsp;Cancel' }));
    }
    var top = $j('<div>', { 'class': 'row' });
    var title = ''.concat(restore.task)
        .concat(' Restoration from ')
        .concat(stamp_to_human(restore.time, false));
    top.append($j('<strong>', { 'text': title, 'class': 'col-sm-4' }));

    var progbar_col = $j('<div>', { 'class': 'col-sm-8' });
    progbar_col.append(progbar);
    top.append(progbar_col);

    var bottom = $j('<div>', { 'class': 'row' });
    bottom.append($j('<div>', { 'text': restore.restoring, 'class': 'col-sm-4' }));

    var btn_grp = $j('<div>', { 'class': 'col-sm-4 restore-item-btns' });

    var ticket_area = $j('<div>', { 'class': 'col-sm-4 ticket-submit' });
    ticket_area.data('tag', restore.tag);

    // If this is a failed task, more buttons
    if (restore.state == 'Failed') {
        // Make the log button
        var log_btn = $j('<a>', {
            href: '#',
            onClick: 'view_fail_log(this)'
        });
        log_btn.append($j('<i>', { 'class': 'fa fa-book', 'html': '&nbsp;View&nbsp;Fail&nbsp;Log' }));
        log_btn.data('log', restore.log);
        // Button to make a ticket
        var ticket_btn = $j('<a>', { href: '#', onClick: 'ticket_modal(this)' });
        ticket_btn.append($j('<i>', { 'class': 'fa fa-ticket ticket-submit-btn', 'html': '&nbsp;Submit&nbsp;Ticket' }));
        // copy data attributes into the ticket button so it can be accessed when showing the popup modal
        ticket_btn.data('log', restore.log);
        ticket_btn.data('title', title);
        ticket_btn.data('params', restore.params);
        ticket_btn.data('tag', restore.tag);
        ticket_btn.data('task', restore.task);
        if (window.tickets_submitted.indexOf(restore.tag) != -1) {
            ticket_btn.css('color', '#666');
            ticket_btn.data('sent', 'y');
            ticket_area.addClass('ticket-submitted alert alert-success');
            ticket_area.append($j('<i>', { 'class': 'fa fa-check-circle ticket-success-icon' }));
            ticket_area.append('A ticket was submitted with the log file for troubleshooting');
        }
        btn_grp.append(ticket_btn);
        btn_grp.append(log_btn);
    }
    btn_grp.append(cancel_btn);

    bottom.append(ticket_area);
    bottom.append(btn_grp);

    var div = $j('<div>', { 'class': 'well restore-well' });
    div.append(top);
    div.append(bottom);

    return div;
}

/* rudimentary check for trying to escape homedir.
 * the backend will do a better check later */
function good_path(path) {
    path = path.replace(/^\/+/, '').replace(/\/+$/, '').split('/');
    var backs = 0;
    var forwards = 0;
    for (var i = 0; i < path.length; i++) {
        if (path[i] == '..') {
            backs += 1;
        } else {
            forwards += 1;
        }
    }
    return forwards >= backs;
}

/* runs whenever a dump path is changed */
function check_path(input) {
    input = $j(input);
    var err_div = $j(input.data('check-error'));
    if (good_path(input.val())) {
        err_div.hide();
    } else {
        err_div.show();
    }
}

/* displays a log viewer when "View Fail Log" is clicked on a restore */
function view_fail_log(link) {
    link = $j(link);
    var div = $j('#log-modal-body');
    div.empty();
    $j.each(link.data('log'), function(e_id, entry) {
        var date = stamp_to_human(entry[0], true)
        var msg = entry[1];
        var p = $j('<p>');
        p.append($j('<strong>', { text: date }));
        p.append(' '.concat(msg));
        div.append(p);
    });
    $j('#log-modal').modal('show');
}

/* Shows the "Submit Ticket" popup modal */
function ticket_modal(link) {
    link = $j(link);
    var tag = link.data('tag');
    if (link.data('sent') == 'y') {
        return;
    }
    if (window.tickets_submitted.indexOf(tag) != -1) {
        return;
    }
    // access data attrs of the link and place them on the modal before showing
    var log = link.data('log');
    var title = link.data('title');
    var params = link.data('params');
    var task = link.data('task');
    var modal = $j('#ticket-modal');
    $j('#ticket-do-btn').prop('disabled', false);
    $j('#ticket-do-btn').text('Submit Ticket');
    $j('#ticket-error').hide();
    modal.data('tag', tag);
    modal.data('task', task);
    modal.data('log', log);
    modal.data('title', title);
    modal.data('params', params);
    modal.modal('show');
}

/* when "Submit Ticket" is clicked in the popup modal, this emails support */
function make_ticket() {
    var modal = $j('#ticket-modal')
    var log = modal.data('log');
    var title = modal.data('title');
    var task = modal.data('task');
    var backup_params = modal.data('params');
    var tag = modal.data('tag');
    $j('#ticket-do-btn').prop('disabled', true);
    $j('#ticket-do-btn').text('Please wait...');
    var params = {
        title: title,
        task: task,
        ipaddr: window.remote_ip,
        log: log,
        params: backup_params,
        msg: $j('#ticket-body').val()
    };
    do_post('make_ticket', params, function(data) {
        if (data.status == 0) {
            window.tickets_submitted.push(tag);
            $j('.ticket-submit').each(function(index, alert) { // show the success message
                alert = $j(alert);
                if (alert.data('tag') == tag) {
                    alert.empty();
                    alert.addClass('ticket-submitted alert alert-success');
                    alert.append($j('<i>', { 'class': 'fa fa-check-circle ticket-success-icon' }));
                    alert.append('A ticket was submitted with the restore log for troubleshooting');
                }
            });
            $j('.ticket-submit-btn').each(function(index, btn) { // disable the button
                btn = $j(btn);
                if (btn.data('tag') == tag) {
                    btn.css('color', '#666');
                    btn.data('sent', 'y');
                }
            });
            modal.modal('hide');
            $j('#ticket-body').val('');
        } else {
            console.log(data);
            $j('#ticket-error').show();
        }
    });
}

/* update a progress-bar div */
function set_bar(elem, numerator, denominator, show_msg) {
    if (numerator == '?') {
        // we were not able to fetch dir sizes from cPanel
        // and the customer selected for custom backups
        elem.css('background-color', 'orangered');
        elem.css('width', '100%');
        elem.text("Data Unavailable");
        return;
    }
    if (denominator == 0) {
        if (show_msg) {
            elem.text('DISABLED');
        }
        var percent = 100;
    } else if (numerator > denominator) {
        if (show_msg) {
            elem.text('OVER QUOTA');
        }
        var percent = 100;
    } else {
        elem.text('');
        var percent = numerator / denominator * 100
    }
    if (percent <= 30) {
        var color = 'green';
    } else if (percent <= 50) {
        var color = 'goldenrod';
    } else if (percent <= 80) {
        var color = 'orangered';
    } else {
        var color = 'red';
    }
    elem.css('background-color', color);
    elem.css('width', String(percent).concat('%'));
}

/* then the cancel button next to an ongoing restore is clicked */
function cancel_restore_item(link) {
    link = $j(link);
    var well = link.closest('.well');
    do_post('cancel_restore', { tag: link.data('tag') }, function(data) {
        if (data.status == 0) {
            update_restore_queues();
        }
    });
}

/* calculate homedir selection size, return '?' or a number in GB */
function calc_home_usage() {
    if (!get_switch_state('homedir_enabled')) {
        $j('#homedir-apply-btn').prop('disabled', false);
        console.log('homedir disabled, so its size is 0MB');
        return 0; // disabled
    }
    var home_mode = $j('input[name=mode_homedir]:checked').val();
    if (home_mode == 'whitelist') {
        var homedir_mb = 0;
        var included = get_browser_selected('#homedir-include-browser');
        $j('#homedir-apply-btn').prop('disabled', included.length == 0);
        var all_sizes = $j('#homedir-include-browser').data('all-sizes');
        $j.each(included, function(index, included_item) {
            if (!(included_item in all_sizes)) return '?';
            if (all_sizes[included_item] === null) return '?';
            homedir_mb += all_sizes[included_item];
        });
        console.log('homedir whitelist total: '.concat(homedir_mb).concat('MB'));
        return homedir_mb;
    } else if (home_mode == 'blacklist') {
        var homedir_mb = $j('#homedir-size').data('homedir-size');
        var quotactl_mb = homedir_mb;
        if (homedir_mb == '?') return '?';
        var excluded = get_browser_selected('#homedir-exclude-browser');
        $j('#homedir-apply-btn').prop('disabled', excluded.length == 0);
        var all_sizes = $j('#homedir-exclude-browser').data('all-sizes');
        $j.each(excluded, function(index, excluded_item) {
            if (!(excluded_item in all_sizes)) return '?';
            if (all_sizes[excluded_item] === null) return '?';
            homedir_mb -= all_sizes[excluded_item];
        });
        console.log('homedir size after blacklist: '.concat(homedir_mb).concat('MB (quotactl was ').concat(quotactl_mb).concat('MB)'));
        return homedir_mb;
    } else { // entire homedir selected
        $j('#homedir-apply-btn').prop('disabled', false);
        var homedir_mb = $j('#homedir-size').data('homedir-size');
        if (homedir_mb == '?') return '?';
        console.log('homedir size from quotactl is '.concat(homedir_mb).concat('MB'));
        return homedir_mb;
    }
}

/* set the total usage bar at the top of the page from usage in mb */
function recalculate_usage() {
    var total_gb_span = $j('#total_gb');
    var avail_gb_span = $j('#avail_gb');
    var quota_mb = Number(total_gb_span.data('quota-mb'));
    var srv_unused = total_gb_span.data('srv-unused');
    var mb_usage = 0;

    // Add homedir usage
    var homedir_mb = calc_home_usage();
    // update totals under custom selections for homedir
    $j('.total-selected-homedir').text(to_gb(homedir_mb));
    $j('.usage_gb_homedir').text(to_gb(homedir_mb));
    if (homedir_mb === '?') {
        mb_usage = '?';
    } else {
        mb_usage += homedir_mb;
    }

    // Add MySQL and PgSQL usage
    $j.each(['mysql', 'pgsql'], function(i, dbtype) {
        var dbase_mode = $j('input[name=mode_'.concat(dbtype).concat(']:checked')).val();
        if (dbase_mode != undefined) { // it's on the page
            if (!get_switch_state(dbtype.concat('_enabled'))) {
                console.log(dbtype.concat(' disabled, so its size is 0MB'));
                var dbase_mb = 0; // disabled
                $j('#'.concat(dbtype).concat('-apply-btn')).prop('disabled', false);
            } else if (dbase_mode == 'whitelist') {
                var dbase_mb = get_custom_db_usage(dbtype, true);
                console.log(dbtype.concat(' whitelist total: '.concat(dbase_mb).concat('MB')));
            } else if (dbase_mode == 'blacklist') {
                var total_all_dbs = get_custom_db_total(dbtype);
                if (total_all_dbs != '?') {
                    var dbase_mb = total_all_dbs - get_custom_db_usage(dbtype, false);
                } else {
                    var dbase_mb = '?';
                }
                console.log(dbtype.concat(' size after blacklist: ').concat(dbase_mb).concat('MB (total was ').concat(total_all_dbs).concat('MB)'));
            } else { // all databases
                $j('#'.concat(dbtype).concat('-apply-btn')).prop('disabled', false);
                var dbase_mb = get_custom_db_total(dbtype);
                console.log(dbtype.concat(' total (all) is ').concat(dbase_mb).concat('MB'));
            }
            // update totals under custom selections for databases
            $j('.total-selected-'.concat(dbtype)).text(to_gb(dbase_mb));
            $j('.usage_gb_'.concat(dbtype)).text(to_gb(dbase_mb));
            if (mb_usage != '?') {
                mb_usage += dbase_mb;
            }
        }
    });

    // If the child accounts tab is shown, update the usage for the parent
    var parent_usage = $j('#parent_usage');
    if (parent_usage.length > 0) { // it exists
        parent_usage.text(to_gb(mb_usage));
        parent_bar = $j('#parent_progressbar');
        set_bar(parent_bar, mb_usage, quota_mb, true);
        if (mb_usage != '?') {
            mb_usage += get_child_total();
        }
    }

    // Set the total at the top
    total_gb_span.text(to_gb(mb_usage));
    if (mb_usage == "?") {
        avail_gb_span.text("?");
    } else {
        var avail = quota_mb - mb_usage;
        if (srv_unused != undefined && srv_unused < avail) {
            avail = srv_unused;
        }
        if (avail < 0) {
            avail = Math.abs(avail);
            $j('#avail_denominator').hide();
            $j("#avail_lbl").text(" more GB needed");
        } else {
            $j('#avail_denominator').show();
            $j("#avail_lbl").text("GB remain");
        }
        avail_gb_span.text(to_gb(avail));
    }
    // Update each bar shown under custom selections in the settings tab
    $j('.total-selected-bar').each(function(b_index, bar) {
        set_bar($j(bar), mb_usage, quota_mb, true);
    });
    // If over quota, also show a warning div beneath the total bar and
    // within any custom selections that are expanded
    if (mb_usage > quota_mb) {
        $j('#total-incalculable-warning').hide();
        $j('#total-over-quota-warning').show();
        $j('#over-quota-hover').css('display', 'inline');
        $j('.total-selected-warning').show();
    } else if (mb_usage == "?") {
        $j('#total-incalculable-warning').show();
        $j('#total-over-quota-warning').hide();
        $j('#over-quota-hover').hide();
        $j('.total-selected-warning').hide();
    } else {
        $j('#total-incalculable-warning').hide();
        $j('#total-over-quota-warning').hide();
        $j('#over-quota-hover').hide();
        $j('.total-selected-warning').hide();
    }
}

/* get the usage of a all selected items for a given database backup type and whether
 * we're counting for a whitelist (or blacklist) */
function get_custom_db_usage(baktype, whitelist) {
    if (whitelist) {
        var inputs = $j('#custom_items_whitelist_'.concat(baktype).concat(' input'));
    } else {
        var inputs = $j('#custom_items_blacklist_'.concat(baktype).concat(' input'));
    }
    var size_mb = 0;
    var num_checked = 0;
    var error = false;
    $j.each(inputs, function(i, checkbox) {
        checkbox = $j(checkbox);
        if (checkbox.is(':checked')) {
            num_checked += 1;
            var this_size = checkbox.data('size');
            if (this_size == '?') {
                error = true;
            } else {
                size_mb += Number(this_size);
            }
        }
    });
    $j('#'.concat(baktype).concat('-apply-btn')).prop('disabled', num_checked == 0);
    if (error) return '?';
    return size_mb;
}

/* get the total size of all db items for custom backups if all were selected */
function get_custom_db_total(baktype) {
    var size_mb = 0;
    var error = false;
    $j.each($j('#custom_items_whitelist_'.concat(baktype).concat(' input')), function(i, checkbox) {
        var this_size = $j(checkbox).data('size');
        if (this_size == '?') {
            error = true;
        } else {
            size_mb += Number(this_size);
        }
    });
    if (error) return '?';
    return size_mb;
}

/* get the state of a cpanel enable/disable switch without needing AngularJS */
function get_switch_state(id) {
    return $j("#".concat(id)).hasClass('switch-on');
}

/* set the state of a cpanel enable/disable switch without needing AngularJS */
function set_switch_state(id, enabled) {
    var divs = $j(".switchdiv_".concat(id));
    if (divs.hasClass('disabled')) {
        enabled = false;
    }
    var label = $j("#switchlabel_".concat(id));
    if (enabled) {
        divs.removeClass('switch-off');
        divs.addClass('switch-on');
        label.text(label.data('enabled-text'));
    } else {
        divs.removeClass('switch-on');
        divs.addClass('switch-off');
        label.text(label.data('disabled-text'));
    }
}

/* When the "Restore" link is clicked in the settings tab, this takes
the user to that section of the restore tab and auto-selects that date */
function goto_restore(link) {
    link = $j(link);
    var baktype = link.data('baktype');
    var geo = link.data('geo');
    if (baktype == 'homedir') {
        // the change event will already init the file browser, so
        // if this is the first time expanding, avoid initializing it twice
        window.homedir_restore_shown_once = true;
    }
    var collapse = $j('#restore_'.concat(baktype).concat('_collapse'));
    var val = ''.concat(geo).concat(':').concat(link.data('snap'));
    collapse.find('.restore-date-select').val(val).change();
    // hide all other accordion items on the restore form
    $j.each($j('#restore_tab .collapse'), function(i, elem) {
        elem = $j(elem);
        if (collapse.attr('id') != elem.attr('id')) {
            elem.collapse('hide');
        }
    });
    collapse.collapse('show'); // show this accordion item
    $j('#nav-link-restore').tab('show');
}

/* flip the state of a cpanel enable/disable switch without needing AngularJS */
function toggle_switch_state(id) {
    var enabled = !get_switch_state(id);
    set_switch_state(id, enabled);
    if (id.endsWith('_enabled')) {
        var baktype = id.split('_', 1)[0];
        apply_settings(baktype, '#'.concat(baktype).concat('apply-btn'));
    }
    set_child_usage(); // update child progress bars
    show_hide_baktypes(); // show/hide any backup forms if necessary
    recalculate_usage(); // adjust quotas for anything that changed
    show_hide_child_cols(); // hide child account form columns if needed
    update_sched(); // update scheduling column if it disabled something
    if (id.startsWith('childnotify-')) {
        validate_child_email();
    }
    if (id == 'do_child_limits') {
        // submit on toggle if this is the enable button at the top of
        // the child account form
        check_overprovision();
        apply_child_limits(false);
    }
}

/* convert MB to GB and round 2 decimal points; return as a string */
function to_gb(mb) {
    if (mb === '?') { return '?'; }
    return (Math.round(Number(mb / 1024) * 100) / 100).toFixed(2);
}

/* Different dates may have different databases backed up.
 * This populates the database select dropdown whever the date
 * is changed in the restore form */
function update_restore_dbnames() {
    $j('.restore_db_date').each(function(index, date_select) {
        var date_select = $j(date_select);
        var dbtype = date_select.data('baktype');
        var date_option = date_select.find(":selected");
        var dbname_select = $j('#restore_dbname_'.concat(dbtype));
        dbname_select.find('option').remove();
        dbname_select.append($j('<option>', {
            text: 'select',
            value: ''
        }));
        var geo = date_option.data('geo');
        $j.each(date_option.data('dbsnaps'), function(dbname, snap_id) {
            dbname_select.append($j('<option>', {
                value: "".concat(geo).concat(":").concat(snap_id),
                text: dbname
            }));
        });
    });
}

function update_geo_dests() {
    var geo_loc = $j('#restore_accordion').data('geo-loc');
    var cluster_loc = $j('#restore_accordion').data('cluster-loc');
    $j('.restore-date-select').each(function (index, select) {
        var select = $j(select);
        var baktype = select.data('baktype');
        var geo = select.find(":selected").data('geo');
        if (geo == 1) {
            $j("#geo-dest-".concat(baktype)).text(geo_loc);
        } else {
            $j("#geo-dest-".concat(baktype)).text(cluster_loc);
        }
    });
}

/* only show custom lists under radio buttons which are selected and update
   the "data backed up" column on the header */
function show_hide_custom() {
    $j('.apply-msg').hide(); // hide save mesages; form was just changed
    $j.each(['homedir', 'mysql', 'pgsql'], function(i, baktype) {
        var checked = $j('input[name=mode_'.concat(baktype).concat(']:checked')).val()
        if (checked != undefined) {
            var white_div = $j('#custom_hide_whitelist_'.concat(baktype));
            var black_div = $j('#custom_hide_blacklist_'.concat(baktype));
            if (checked == 'whitelist') {
                white_div.show();
                black_div.hide();
                $j('#mode_descr_'.concat(baktype)).text('Custom');
            } else if (checked == 'blacklist') {
                white_div.hide();
                black_div.show();
                $j('#mode_descr_'.concat(baktype)).text('Custom');
            } else {
                white_div.hide();
                black_div.hide();
                if (get_switch_state(baktype.concat('_enabled'))) {
                    $j('#mode_descr_'.concat(baktype)).text('All Data');
                } else {
                    $j('#mode_descr_'.concat(baktype)).text('Disabled');
                }
            }
        }
    });
}

/* show only backup types which are enabled in the settings tab */
function show_hide_baktypes() {
    $j.each(['homedir', 'mysql', 'pgsql'], function(i, baktype) {
        if ($j('#'.concat(baktype).concat('_enabled')).length > 0) { // the form exists
            var enabled = get_switch_state(baktype.concat('_enabled'));
            if (enabled) {
                $j('#settings_form_'.concat(baktype)).show();
                $j('#settings_form_alert_'.concat(baktype)).hide();
            } else {
                $j('#settings_form_'.concat(baktype)).hide();
                $j('#settings_form_alert_'.concat(baktype)).show();
            }
        }
    });
    show_hide_custom();
}

/* hides columns on the child account form when limiting them is disabled */
function show_hide_child_cols() {
    if ($j('#do_child_limits').length > 0) { // the form exists
        var enabled = get_switch_state('do_child_limits');
        if (enabled) {
            $j('.child-limit-inputs').show();
        } else {
            $j('.child-limit-inputs').hide();
        }
    }
}

/* only show scheduling options (interval or days) below the radio button that's
currently checked and update the "schedule" column on the header */
function update_sched() {
    $j('.apply-msg').hide(); // hide save mesages; form was just changed
    $j.each(['homedir', 'mysql', 'pgsql'], function(i, baktype) {
        if ($j('#'.concat(baktype).concat('_enabled')).length > 0) { // the form exists
            if (!get_switch_state(baktype.concat('_enabled'))) {
                $j('#sched_descr_'.concat(baktype)).text('Disabled');
            } else if ($j('input[name=scheduling_'.concat(baktype).concat(']:checked')).val() == 'interval') {
                // we're using interval-based scheduling
                $j('#sched_interval_form_'.concat(baktype)).show();
                $j('#sched_daytime_form_'.concat(baktype)).hide();
                var interval = $j('#sched_interval_'.concat(baktype)).val();
                if (interval == 1) {
                    $j('#sched_descr_'.concat(baktype)).text('Every Day');
                } else {
                    $j('#sched_descr_'.concat(baktype)).text('Every '.concat(interval).concat(' Days'));
                }
            } else {
                // we're using day/time-based scheduling
                $j('#sched_interval_form_'.concat(baktype)).hide();
                $j('#sched_daytime_form_'.concat(baktype)).show();
                var hour = $j('#scheduling_hour_'.concat(baktype)).val();
                var meridiem = $j('#scheduling_meridiem_'.concat(baktype)).val();
                var day_labels = [];
                $j.each($j('#scheduling_days_'.concat(baktype).concat(' input')), function(ii, checkbox) {
                    checkbox = $j(checkbox);
                    if (checkbox.is(':checked')) {
                        day_labels.push(checkbox.data('short'));
                    }
                });
                if (day_labels.length == 0) {
                    day_labels = '?'; // no days are selected yet
                } else {
                    day_labels = day_labels.join(', ');
                }
                $j('#sched_descr_'.concat(baktype)).text(
                    day_labels
                    .concat(' | ')
                    .concat(hour)
                    .concat(meridiem)
                );
            }
        }
    });
}

/* Set the "current usage" column of the child tab */
function set_child_usage() {
    var quota_mb = $j('#total_gb').data('quota-mb');
    $j.each($j('.childacct-row'), function(i, row_div) {
        row_div = $j(row_div);
        var usage = row_div.find('.childacct-usage').data('usage');
        if (usage != undefined) {
            row_div.find('.usage_span').text(to_gb(usage));
        } else {
            usage = 0;
        }
        var bar = row_div.find('.childacct-progressbar');
        if (get_switch_state('do_child_limits')) { // limits turned on
            var limit = row_div.find('.childacct-limit').val();
            var limit_span = row_div.find('.limit_span');
            limit_span.text('/ '.concat(limit).concat('GB'));
            limit_span.show();
            set_bar(bar, usage, limit * 1024, true);
        } else { // limits turned off; denominator is total quota
            set_bar(bar, usage, quota_mb, true);
            row_div.find('.limit_span').hide();
        }
    });
}

/* calculate total size of child accounts */
function get_child_total() {
    var total = 0;
    var limits_on = get_switch_state('do_child_limits');
    $j.each($j('.childacct-row'), function(i, row_div) {
        row_div = $j(row_div);
        // usage in MB for this one child
        var this_usage = row_div.find('.childacct-usage').data('usage');
        if (this_usage != undefined) {
            if (limits_on) {
                var this_limit = Number(row_div.find('.childacct-limit').val()) * 1024;
                if (this_limit < this_usage) {
                    total += this_limit;
                } else {
                    total += this_usage;
                }
            } else {
                total += this_usage;
            }
        }
    });
    return total;
}

/* cancel button on the bottom of a restore form
 * (not the button to cancel a requested restore that's already going) */
function cancel_restore_form(cancel_link) {
    var collapse = $j(cancel_link).closest('.collapse');
    var restore_dbname_select = collapse.find('.restore_dbname_select');
    if (restore_dbname_select.length > 0) {
        // this is a database restore form
        restore_dbname_select.val('');
    } else {
        // this is the homedir restore form
        $j('#homedir_filebrowser :input').prop('checked', false);
        window.homedir_restore_shown_once = false; // reset to as if we never saw this form
    }
    var alert_div = collapse.find('.restore_alert');
    var msg_div = collapse.find('.restore_alert_msg');
    alert_div.removeClass('alert alert-danger');
    msg_div.addClass('hidden');
    msg_div.removeClass('restore_alert_msg_shown');
    collapse.collapse('hide');
}

/* save button on the child account tab */
function apply_child_limits(from_submit_btn) {
    if (!validate_child_email()) {
        if (from_submit_btn) {
            show_msg(false, 'child-limit-apply-msg', 'invalid email');
        }
        return;
    }
    if (from_submit_btn) {
        $j('#child-limit-apply-button').prop('disabled', true);
    }
    var email_err = $j('#child-notify-invalid-email');
    var params = {};
    var child_email = $j('#child-limit-email').val();
    if (child_email.length > 0) {
        params['email'] = child_email;
    }
    if (get_switch_state('do_child_limits')) {
        params['do_limit'] = '1';
    } else {
        params['do_limit'] = '0';
    }
    if (params['do_limit'] == '1') {
        params['default_limit'] = $j('#child_limit_default').val();
        var limits = {};
        var notifs = {};
        $j.each($j('.childacct-row'), function(i, row_div) {
            row_div = $j(row_div);
            var name = row_div.find('.child-name').text();
            limits[name] = row_div.find('.childacct-limit').val();
            if (get_switch_state(row_div.find('.cjt2-toggle-switch').data('switch-id'))) {
                notifs[name] = '1';
            } else {
                notifs[name] = '0';
            }
        });
        params['limits'] = limits;
        params['notifs'] = notifs;
    }
    do_post('set_child_limits', params, function(data) {
        if (from_submit_btn) {
            if (data.status != 0) {
                show_msg(false, 'child-limit-apply-msg', data.error);
            } else {
                show_msg(true, 'child-limit-apply-msg', 'applied');
            }
            $j('#child-limit-apply-button').prop('disabled', false);
        } else {
            if (data.status != 0) {
                show_msg(false, 'child-limit-toggle-msg', data.error);
            }
        }
    });
}

/* performs AJAX calls */
function do_post(action, args, func) {
    console.log(
        'Posting: '
        .concat(action).concat(' ')
        .concat(JSON.stringify(args))
    );
    $j.ajax({
            url: './post.live.php',
            type: 'post',
            timeout: 120 * 1000,
            data: { action: action, args: JSON.stringify(args) }
        })
        .done(function(data) {
            try {
                data = JSON.parse(data);
            } catch (err) {
                console.log(data);
                console.log(err);
                data = { status: 1, error: 'error - invalid JSON from server' }
            }
            console.log(data);
            func(data)
        })
        .fail(function(xhr, statusText, errorThrown) {
            if (xhr.state() == 'rejected') {
                data = { status: 1, error: 'Sorry, your settings could not be saved at this time as your session has expired. Please log back in and try again.' }
            } else {
                console.log(errorThrown);
                data = { status: 1, error: 'error - '.concat(statusText) }
            }
            func(data)
        });
}

/* save buttons on the settings tab */
function apply_settings(baktype, button) {
    $j('.apply-msg').hide();
    button = $j(button);
    button.prop('disabled', true);
    var params = { baktype: baktype };
    if (get_switch_state(baktype.concat('_enabled'))) { // backups enabled
        params['enable'] = '1';
        params['mode'] = $j('input[name=mode_'.concat(baktype).concat(']:checked')).val();
    } else { // backups disabled
        params['enable'] = '0';
        params['mode'] = 'all';
    }
    if (baktype == 'homedir') {
        if (params['mode'] == 'whitelist') {
            params['custom'] = get_browser_selected('#homedir-include-browser');
        } else if (params['mode'] == 'blacklist') {
            params['custom'] = get_browser_selected('#homedir-exclude-browser');
        } else {
            params['custom'] = null;
        }
    } else { // database backups
        if (params['mode'] == 'whitelist') {
            var inputs = $j('#custom_items_whitelist_'.concat(baktype).concat(' input'));
            params['custom'] = [];
            $j.each(inputs, function(inp_index, checkbox) {
                checkbox = $j(checkbox);
                if (checkbox.is(':checked')) { params['custom'].push(checkbox.val()); }
            });
        } else if (params['mode'] == 'blacklist') {
            var inputs = $j('#custom_items_blacklist_'.concat(baktype).concat(' input'));
            params['custom'] = [];
            $j.each(inputs, function(inp_index, checkbox) {
                checkbox = $j(checkbox);
                if (checkbox.is(':checked')) { params['custom'].push(checkbox.val()); }
            });
        } else {
            var inputs = [];
            params['custom'] = null;
        }
    }
    if (params['custom'] != null && params['custom'].length == 0) {
        show_msg(false, baktype.concat('-apply-msg'), 'Nothing selected to backup');
        button.prop('disabled', false);
        return;
    }
    if ($j('input[name=scheduling_'.concat(baktype).concat(']:checked')).val() == 'interval') {
        // using interval scheduling
        params['use_interval'] = '1';
        params['interval'] = $j('#sched_interval_'.concat(baktype)).val();
    } else {
        // using day/time scheduling
        params['use_interval'] = '0';
        params['hour'] = $j('#scheduling_hour_'.concat(baktype)).val();
        params['meridiem'] = $j('#scheduling_meridiem_'.concat(baktype)).val();
        params['days'] = [];
        $j.each($j('#scheduling_days_'.concat(baktype).concat(' input')), function(day_index, checkbox) {
            checkbox = $j(checkbox);
            if (checkbox.is(':checked')) {
                params['days'].push(checkbox.val());
            }
        });
    }
    do_post('set_settings', params, function(data) {
        if (data.status != 0) {
            show_msg(false, baktype.concat('-apply-msg'), data.error);
        } else {
            show_msg(true, baktype.concat('-apply-msg'), 'applied');
        }
        button.prop('disabled', false);
    });
}

/* "Restore" button on the restore tab; redirects to either
 * do_homedir_restore or do_db_restore */
function do_restore(baktype, button) {
    if (baktype != 'homedir' && $j('#restore_dbname_'.concat(baktype)).val().length == 0) {
        // database restore with no db selected
        $j('#no_db_'.concat(baktype)).show();
        return;
    }
    var email = $j('#'.concat(baktype).concat('-restore-email')).val();
    if (email.length > 0 && !CPANEL.validate.email(email)) {
        return; // invalid email entered
    }
    button = $j(button);
    var alert_div = $j('#restore_alert_'.concat(baktype));
    var msg = $j('#restore_alert_msg_'.concat(baktype));
    if (msg.hasClass('hidden')) {
        alert_div.addClass('alert alert-danger');
        msg.removeClass('hidden');
        msg.addClass('restore_alert_msg_shown');
        $j('#'.concat(baktype).concat('-restore-msg')).hide();
    } else {
        alert_div.removeClass('alert alert-danger');
        msg.addClass('hidden');
        msg.removeClass('restore_alert_msg_shown');
        button.prop('disabled', true);
        if (baktype == 'homedir') {
            do_homedir_restore(button);
        } else {
            do_db_restore(baktype, button);
        }
    }
}

/* requests home directory restores */
function do_homedir_restore(button) {
    if (all_selected('#homedir_filebrowser')) {
        var paths = [$j('#restore_tab').data('home-path')];
    } else {
        var paths = get_browser_selected('#homedir_filebrowser');
    }
    var params = {
        // list of full paths
        paths: paths,
        date: $j('#restore_date_homedir option:selected').data('stamp'),
        geo: parseInt($j('#restore_date_homedir').val().substr(0, 1)),
        snap: $j('#restore_date_homedir').val().substr(2),
        // target path will not include the /home/user/ part
        target: $j('#dump_path_homedir').val(),
        mode: $j('[name="restore_method_homedir"]:checked').val(),
        email: $j('#homedir-restore-email').val()
    };
    do_post('homedir_restore', params, function(data) {
        if (data.status != 0) {
            show_msg(false, 'homedir-restore-msg', data.error);
        } else {
            button.closest('.collapse').collapse('hide');
            update_restore_queues();
            setTimeout( // delay so the collapse has time to finish
                function() {
                    show_msg(true, 'homedir-restore-msg', 'Queued');
                },
                1000
            );
        }
        button.prop('disabled', false);
    });
}

/* requests database restores */
function do_db_restore(baktype, button) {
    var params = {
        date: $j('#restore_date_'.concat(baktype)).val().substr(2),
        dbname: $j('#restore_dbname_'.concat(baktype).concat(' option:selected')).text(),
        geo: parseInt($j('#restore_dbname_'.concat(baktype)).val().substr(0, 1)),
        snap: $j('#restore_dbname_'.concat(baktype)).val().substr(2),
        // path will not include the /home/user/ part
        target: $j('#dump_path_'.concat(baktype)).val(),
        mode: $j('[name="restore_method_'.concat(baktype).concat('"]:checked')).val(),
        email: $j('#'.concat(baktype).concat('-restore-email')).val()
    };
    do_post(baktype.concat('_restore'), params, function(data) {
        if (data.status != 0) {
            show_msg(false, baktype.concat('-restore-msg'), data.error);
        } else {
            button.closest('.collapse').collapse('hide');
            update_restore_queues();
            setTimeout( // delay so the collapse has time to finish
                function() {
                    show_msg(true, baktype.concat('-restore-msg'), 'Queued');
                },
                1000
            );
        }
        button.prop('disabled', false);
    });
}

/* disables toggles for notifications for children when their limit
 * is set to 0, because that would be redundant */
function child_notif_disable() {
    $j.each($j('.childacct-row'), function(i, row_div) {
        row_div = $j(row_div);
        var notif_toggle = row_div.find('.cjt2-toggle-switch');
        if (Number(row_div.find('.childacct-limit').val()) <= 0) {
            set_switch_state(notif_toggle.data('switch-id'), false);
            notif_toggle.addClass('disabled');
        } else {
            notif_toggle.removeClass('disabled');
        }
    });
}

/* called when item selection on the homedir restore widget changes */
function enable_home_restore(has_items) {
    $j('#restore-btn-homedir').prop('disabled', !has_items);
}

/* all cancel buttons on the settings tab */
function cancel_settings(cancel_link) {
    var collapse = $j(cancel_link).closest('.collapse');
    // set enable/disable back to what it was on page load
    var oldval_span = collapse.find('.oldval-enable');
    if (oldval_span.data('oldval') == 'y') {
        set_switch_state(oldval_span.data('enableid'), true);
    } else {
        set_switch_state(oldval_span.data('enableid'), false);
    }
    // set the scheduling back
    collapse.find('.sched_radio[data-oldval]').prop('checked', true).trigger('change');
    collapse.find('.sched_hour').val(collapse.find('.sched_hour').data('oldval'));
    collapse.find('.sched_days_checkbox[data-oldval="n"]').prop('checked', false);
    collapse.find('.sched_days_checkbox[data-oldval="y"]').prop('checked', true);
    collapse.find('.sched_meridiem[data-oldval]').prop('checked', true).trigger('change'); // AM/PM
    // set the mode and selections back
    collapse.find('.custom_checkbox[data-oldval="n"]').prop('checked', false);
    collapse.find('.custom_checkbox[data-oldval="y"]').prop('checked', true);
    collapse.find('.custom_radio[data-oldval]').prop('checked', true).trigger('change');
    // hide this form
    collapse.collapse('hide');
}

/* shows a message next to a save button */
function show_msg(success, id, msg) {
    $j('#'.concat(id).concat(' span')).text(msg);
    var div = $j('#'.concat(id));
    if (success) {
        div.removeClass('alert-danger');
        div.addClass('alert-success');
    } else {
        div.removeClass('alert-success');
        div.addClass('alert-danger');
    }
    div.show();
}

function check_overprovision() {
    var total = 0;
    $j('.childacct-limit').each(function(i, lim) {
        total += Number($j(lim).val()) * 1024;
    });
    var do_limit = get_switch_state('do_child_limits');
    var quota = Number($j('#total_gb').data('quota-mb'));
    if (do_limit && total > quota) {
        $j('#overprovision-warn').show();
        $j('.childacct-limit').addClass('overprov');
        $j('#child-limit-apply-button').prop('disabled', true);
    } else {
        $j('#overprovision-warn').hide();
        $j('.childacct-limit').removeClass('overprov');
        $j('#child-limit-apply-button').prop('disabled', false);
    }
}

/* when select/deselect all is clicked in custom items */
function custom_db_selectall(div_id, checked) {
    $j(div_id.concat(' input')).each(function(index, item) {
        $j(item).prop('checked', checked);
    });
}

/* rigged to keyup on email inputs */
function validate_email(input) {
    input = $j(input);
    email = input.val();
    var err = $j(input.data('err'));
    if (input.attr('id') == 'child-limit-email') {
        // email is required if notifications are on for child accounts
        validate_child_email();
    } else {
        // email can be empty
        if (email.length == 0 || CPANEL.validate.email(email)) {
            err.hide();
        } else {
            err.show();
        }
    }
}

function validate_child_email() {
    var addr = $j('#child-limit-email').val();
    var err = $j('#child-notify-invalid-email');
    var notifs_on = false;
    $j.each($j('.childacct-row'), function(i, row_div) {
        row_div = $j(row_div);
        if (get_switch_state(row_div.find('.cjt2-toggle-switch').data('switch-id'))) {
            notifs_on = true;
        }
    });
    if (!notifs_on) {
        err.hide();
        return true;
    }
    if (addr.length > 0 && CPANEL.validate.email(addr)) {
        err.hide();
        return true;
    } else {
        err.show();
        return false;
    }
}

function stamp_to_human(stamp, show_min) {
    /* converts a timestamp to a human readable format */
    var $date = new Date(1000 * stamp);
    var $hour = $date.getHours();
    if ($hour == 0) {
        $hour = '12';
        var $end = 'AM';
    } else if ($hour == 12) {
        var $end = 'PM';
    } else if ($hour < 12) {
        var $end = 'AM';
    } else {
        $hour -= 12;
        var $end = 'PM';
    }
    var short_months = [
        'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
        'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'
    ];
    var $out = short_months[$date.getMonth()]
        .concat(' ')
        .concat($date.getDate())
        .concat(', ')
        .concat($date.getFullYear())
        .concat(' ')
        .concat($hour);
    if (show_min) {
        $out = $out.concat(':').concat($date.getMinutes());
    }
    $out = $out.concat($end);
    return $out;
}

function finish_loading() {
    var div = $j('#loading-div')
    if (div.length == 0) return;
    if (div.data('restores-loaded') == 1 && div.data('main-loaded') == 1) {
        $j('#loading-div').remove();
    }
}

function fix_dates() {
    $j.each($j('.fix-locale-stamp'), function(index, element) {
        element = $j(element);
        element.text(stamp_to_human(element.text(), false));
    });
    $j.each($j('.fix-opt-locale-stamp'), function(index, element) {
        element = $j(element);
        var orig = element.text();
        if (orig.includes(" - ")) {
            // coast - stamp
            var coast = orig.split(' - ')[0];
            var date = stamp_to_human(orig.split(' - ')[1], false);
            element.text(coast.concat(' - ').concat(date));
        } else {
            // just stamp
            element.text(stamp_to_human(orig, false));
        }
    });
}

$j(document).ready(function() {
    // Fix labels timestamps -> locale time
    fix_dates();
    $j('.help').popover({ trigger: 'focus' });
    window.tickets_submitted = [];
    // hide warnings about short intervals until needed
    $j('.interval-error').hide();
    // hide restore queue columns until we have something to show
    $j('#restore_queue_div').hide();
    // setup the queue timer span
    var countdown_span = $j('#restore_queue_timer');
    countdown_span.data('timer', countdown_span.data('dur'));
    // show any ongoing restores if they exist
    update_restore_queues();
    // add overprovisioning warnings in child account tab if needed
    check_overprovision();
    // hide all error-msg divs until they are needed
    $j('.error-msg').hide();
    // when dump paths are changed, check validity
    $j('.path-check').bind('keyup', function() { check_path(this); });
    // ... but hide the errors initially
    $j('.path-error').hide();
    // validate emails entered
    $j('.validate-email').bind('keyup', function() { validate_email(this); });
    if ($j('#child-limit-email').val() != undefined) {
        validate_child_email();
    }
    window.homedir_restore_shown_once = false;
    // set the "current usage" column of the child tab
    set_child_usage();
    if ($j('#restore-btn-homedir').length > 0) {
        // disable the homedir restore button until the file browser enables it
        $j('#restore-btn-homedir').prop('disabled', true);
    }
    // handles when an accordion header is clicked
    $j('.collapse').on('show.bs.collapse', function(event) {
        var target_id = $j(event.target).attr('id');
        // hide all other accordions
        $j('.collapse:not(#'.concat(target_id).concat(')')).collapse('hide');
        $j(event.target).closest('.panel').find('.arw').html('&#9660;');
        if (!window.homedir_restore_shown_once && target_id == 'restore_homedir_collapse') {
            // if this is the first time the homedir restore accordion is shown, initialize the file browser
            window.homedir_restore_shown_once = true;
            var geo = parseInt($j('#restore_date_homedir').val().substr(0, 1));
            var snap = $j('#restore_date_homedir').val().substr(2);
            init_file_browse('#homedir_filebrowser', snap, geo);
        }
    });
    // setup homedir settings file browsers
    init_file_browse('#homedir-include-browser');
    init_file_browse('#homedir-exclude-browser');
    $j('.collapse').on('hide.bs.collapse', function(event) {
        $j(event.target).closest('.panel').find('.arw').html('&#9658;');
    });
    // populate the database dropdown in restore forms
    update_restore_dbnames();
    // and keep them updated when dates are changed
    $j('.restore_db_date').on('change', update_restore_dbnames);
    // Update #geo-dest-<baktype>
    if ($j('#restore_accordion').data('show-geo') == 1) {
        update_geo_dests();
        $j('.restore-date-select').on('change', update_geo_dests);
    }
    // when db changes, hide error that none was selected (if it was shown)
    $j('.restore_dbname_select').on('change', function() { $j($j(this).data('no-db')).hide(); });
    // ... but hide them until a restore request triggers them to be shown
    $j('.no-db-alert').hide();
    // hide any backup types that are disabled from the settings form
    show_hide_baktypes();
    // hide columns in the child account form if needed
    show_hide_child_cols();
    // hide custom lists if their radio button is not clicked
    show_hide_custom();
    // show/hide custom lists when the selection changes and recalculate usage
    $j('.custom_radio').on('change', function() {
        show_hide_custom();
        recalculate_usage();
    });
    // when an item in a custom list changes, recalculate usage
    $j('.custom_checkbox').change(recalculate_usage);
    // show only the scheduling section that's currently selected
    update_sched();
    // when scheduling mode is changed, show/hide the appropriate forms
    $j('.sched_radio, .sched_meridiem').on('change', update_sched);
    // update scheduling mode in the header when interval is changed
    $j('.sched_interval_input, .sched_hour').bind('keyup mouseup', update_sched);
    $j('.sched_interval_input').bind('keyup mouseup', function() {
        // if the interval is set to < 1, show a warning
        var input = $j(this);
        if (input.val() < 1) {
            $j(input.data('error-id')).show();
        } else {
            $j(input.data('error-id')).hide();
        }
    });
    // when the limit for a child is changed
    $j('.childacct-limit').bind('keyup mouseup', function() {
        set_child_usage(); // set progress bars
        recalculate_usage(); // recalculate usage in case that changes the total
        child_notif_disable(); // disable notifications for children with a limit of 0
        check_overprovision();
    });
    // update scheduling mode in the header when a day is checked or unchecked
    $j('.sched_days_checkbox').change(update_sched);
    // populate each usage progressbar
    recalculate_usage();
    // re-initialize the file browser if date selection changes
    $j('#restore_date_homedir').on('change', function () {
        var geo = parseInt($j('#restore_date_homedir').val().substr(0, 1));
        var snap = $j('#restore_date_homedir').val().substr(2);
        init_file_browse('#homedir_filebrowser', snap, geo);
    });
    // disable notifications for any child accounts with a limit of 0
    child_notif_disable();
    $j('#over-quota-glyph').tooltip({
        'placement': 'top',
        'title': 'Space needed exceeds your available space. Please purchase additional space or uncheck folders below.',
    });
    update_sel_count();
    var svr_total_bar = $j('#svr-total-bar');
    if (svr_total_bar.length) { // if total server usage is showing
        set_bar(svr_total_bar, svr_total_bar.data('svr-usage'), svr_total_bar.data('svr-quota'), true);
    }
    $j('#loading-div').data('main-loaded', 1);
    finish_loading();
});