/* tablesorter custom parsers for various pages:
 * devel/index.html, mirrors/status.html, todolists/view.html */
if (typeof $.tablesorter !== 'undefined') {
    $.tablesorter.addParser({
        id: 'pkgcount',
        is: function(s) { return false; },
        format: function(s) {
            var m = s.match(/\d+/);
            return m ? parseInt(m[0], 10) : 0;
        },
        type: 'numeric'
    });
    $.tablesorter.addParser({
        id: 'todostatus',
        is: function(s) { return false; },
        format: function(s) {
            return s.match(/incomplete/i) ? 1 : 0;
        },
        type: 'numeric'
    });
    $.tablesorter.addParser({
        /* sorts numeric, but put '', 'unknown', and '∞' last. */
        id: 'mostlydigit',
        special: ['', 'unknown', '∞'],
        is: function(s, table) {
            var c = table.config;
            return ($.inArray(s, this.special) > -1) || $.tablesorter.isDigit(s, c);
        },
        format: function(s) {
            if ($.inArray(s, this.special) > -1) {
                return Number.MAX_VALUE;
            }
            return $.tablesorter.formatFloat(s);
        },
        type: 'numeric'
    });
    $.tablesorter.addParser({
        /* sorts duration; put '', 'unknown', and '∞' last. */
        id: 'duration',
        re: /^([0-9]+):([0-5][0-9])$/,
        special: ['', 'unknown', '∞'],
        is: function(s) {
            return ($.inArray(s, this.special) > -1) || this.re.test(s);
        },
        format: function(s) {
            if ($.inArray(s, this.special) > -1) {
                return Number.MAX_VALUE;
            }
            var matches = this.re.exec(s);
            if (!matches) {
                return Number.MAX_VALUE;
            }
            return matches[1] * 60 + matches[2];
        },
        type: 'numeric'
    });
    $.tablesorter.addParser({
        id: 'longDateTime',
        re: /^(\d{4})-(\d{2})-(\d{2}) ([012]\d):([0-5]\d)(:([0-5]\d))?( (\w+))?$/,
        is: function(s) {
            return this.re.test(s);
        },
        format: function(s) {
            var matches = this.re.exec(s);
            if (!matches) {
                return 0;
            }
            /* skip group 6, group 7 is optional seconds */
            if (matches[7] === undefined) {
                matches[7] = 0;
            }
            /* The awesomeness of the JS date constructor. Month needs to be
             * between 0-11, because things have to be difficult. */
            var date = new Date(matches[1], matches[2] - 1, matches[3],
                matches[4], matches[5], matches[7]);
            return $.tablesorter.formatFloat(date.getTime());
        },
        type: 'numeric'
    });
    $.tablesorter.addParser({
        id: 'filesize',
        re: /^(\d+(?:\.\d+)?) (bytes?|KB|MB|GB|TB|PB)$/,
        is: function(s) {
            return this.re.test(s);
        },
        format: function(s) {
            var matches = this.re.exec(s);
            if (!matches) {
                return 0;
            }
            var size = parseFloat(matches[1]);
            var suffix = matches[2];

            switch(suffix) {
                /* intentional fall-through at each level */
                case 'PB':
                    size *= 1024;
                case 'TB':
                    size *= 1024;
                case 'GB':
                    size *= 1024;
                case 'MB':
                    size *= 1024;
                case 'KB':
                    size *= 1024;
            }
            return size;
        },
        type: 'numeric'
    });
}

/* news/add.html */
function enablePreview() {
    $('#news-preview-button').click(function(event) {
        event.preventDefault();
        $.post('/news/preview/', {
                data: $('#id_content').val(),
                csrfmiddlewaretoken: $('#newsform input[name=csrfmiddlewaretoken]').val()
            },
            function(data) {
                $('#news-preview-data').html(data);
                $('#news-preview').show();
            }
        );
        $('#news-preview-title').html($('#id_title').val());
    });
}

/* packages/details.html */
function ajaxifyFiles() {
    $('#filelink').click(function(event) {
        event.preventDefault();
        $.get(this.href, function(data) {
            $('#pkgfilelist').html(data);
        });
    });
}

/* packages/differences.html */
function filter_packages() {
    /* start with all rows, and then remove ones we shouldn't show */
    var rows = $('#tbody_differences').children();
    var all_rows = rows;
    if (!$('#id_multilib').is(':checked')) {
        rows = rows.not('.multilib').not('.multilib-testing');
    }
    var arch = $('#id_archonly').val();
    if (arch !== 'all') {
        rows = rows.filter('.' + arch);
    }
    if (!$('#id_minor').is(':checked')) {
        /* this check is done last because it is the most expensive */
        var pat = /(.*)-(.+)/;
        rows = rows.filter(function(index) {
            var cells = $(this).children('td');

            /* all this just to get the split version out of the table cell */
            var ver_a = cells.eq(2).find('span').text().match(pat);
            if (!ver_a) {
                return true;
            }

            var ver_b = cells.eq(3).find('span').text().match(pat);
            if (!ver_b) {
                return true;
            }

            /* first check pkgver */
            if (ver_a[1] !== ver_b[1]) {
                return true;
            }
            /* pkgver matched, so see if rounded pkgrel matches */
            if (Math.floor(parseFloat(ver_a[2])) ===
                    Math.floor(parseFloat(ver_b[2]))) {
                return false;
            }
            /* pkgrel didn't match, so keep the row */
            return true;
        });
    }
    /* hide all rows, then show the set we care about */
    all_rows.hide();
    rows.show();
    /* make sure we update the odd/even styling from sorting */
    $('.results').trigger('applyWidgets');
}
function filter_packages_reset() {
    $('#id_archonly').val('both');
    $('#id_multilib').removeAttr('checked');
    $('#id_minor').removeAttr('checked');
    filter_packages();
}

/* todolists/view.html */
function todolist_flag() {
    var link = this;
    $.getJSON(link.href, function(data) {
        if (data.complete) {
            $(link).text('Complete').addClass(
                'complete').removeClass('incomplete');
        } else {
            $(link).text('Incomplete').addClass(
                'incomplete').removeClass('complete');
        }
        /* let tablesorter know the cell value has changed */
        $('.results').trigger('updateCell', $(link).closest('td'));
    });
    return false;
}

/* signoffs.html */
function signoff_package() {
    var link = this;
    $.getJSON(link.href, function(data) {
        link = $(link);
        var signoff = null;
        var cell = link.closest('td');
        if (data.created) {
            signoff = $('<li>').addClass('signed-username').text(data.user);
            var list = cell.children('ul.signoff-list');
            if (list.size() == 0) {
                list = $('<ul class="signoff-list">').prependTo(cell);
            }
            list.append(signoff);
        } else if(data.user) {
            signoff = link.closest('td').find('li').filter(function(index) {
                return $(this).text() == data.user;
            });
        }
        if (signoff && data.revoked) {
            signoff.text(signoff.text() + ' (revoked)');
        }
        /* update the approved column to reflect reality */
        var approved = link.closest('tr').children('.approval');
        approved.attr('class', '');
        if (data.known_bad) {
            approved.text('Bad').addClass('signoff-bad');
        } else if (!data.enabled) {
            approved.text('Disabled').addClass('signoff-disabled');
        } else if (data.approved) {
            approved.text('Yes').addClass('signoff-yes');
        } else {
            approved.text('No').addClass('signoff-no');
        }
        link.removeAttr('title');
        /* Form our new link. The current will be something like
         * '/packages/repo/arch/package/...' */
        var base_href = link.attr('href').split('/').slice(0, 5).join('/');
        if (data.revoked) {
            link.text('Signoff');
            link.attr('href', base_href + '/signoff/');
            /* should we be hiding the link? */
            if (data.known_bad || !data.enabled) {
                link.remove();
            }
        } else {
            link.text('Revoke Signoff');
            link.attr('href', base_href + '/signoff/revoke/');
        }
        $('.results').trigger('updateCell', approved);
    });
    return false;
}

function filter_signoffs() {
    /* start with all rows, and then remove ones we shouldn't show */
    var rows = $('#tbody_signoffs').children();
    var all_rows = rows;
    /* apply arch and repo filters */
    $('#signoffs_filter .arch_filter').add(
            '#signoffs_filter .repo_filter').each(function() {
        if (!$(this).is(':checked')) {
            rows = rows.not('.' + $(this).val());
        }
    });
    /* and then the slightly more expensive pending check */
    if ($('#id_pending').is(':checked')) {
        rows = rows.has('td.signoff-no');
    }
    /* hide all rows, then show the set we care about */
    all_rows.hide();
    rows.show();
    $('#filter-count').text(rows.length);
    /* make sure we update the odd/even styling from sorting */
    $('.results').trigger('applyWidgets');
}
function filter_signoffs_reset() {
    $('#signoffs_filter .arch_filter').attr('checked', 'checked');
    $('#signoffs_filter .repo_filter').attr('checked', 'checked');
    $('#id_pending').removeAttr('checked');
    filter_signoffs();
}

/* visualizations */
function format_filesize(size, decimals) {
    /*var labels = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];*/
    var labels = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
    var label = 0;

    while (size > 2048.0 && label < labels.length - 1) {
        label++;
        size /= 1024.0;
    }
    if (decimals === undefined) {
        decimals = 2;
    }

    return size.toFixed(decimals) + ' ' + labels[label];
}