// pretty date function
function prettyDate(time){
    var date = new Date((time || "").replace(/-/g,"/").replace(/[TZ]/g," ")),
    diff = (((new Date()).getTime() - date.getTime()) / 1000),
    day_diff = Math.floor(diff / 86400);

    if (isNaN(day_diff) || day_diff < 0)
        return;

    return day_diff == 0 && (
            diff < 60 && "just now" ||
            diff < 120 && "1 minute ago" ||
            diff < 3600 && Math.floor( diff / 60 ) + " minutes ago" ||
            diff < 7200 && "1 hour ago" ||
            diff < 86400 && Math.floor( diff / 3600 ) + " hours ago") ||
        day_diff == 1 && "Yesterday" ||
        day_diff < 7 && day_diff + " days ago" ||
        day_diff < 31 && Math.ceil( day_diff / 7 ) + " weeks ago" ||
        day_diff > 31 && Math.round(day_diff / 31) + " months ago";
}

// search function
function search(search_val){
    var suche = search_val.toLowerCase();
    var table = document.getElementById("directory");
    var cellNr = 3;
    var ele;
    for (var r = 1; r < table.rows.length; r++){
        ele = table.rows[r].cells[cellNr].innerHTML.replace(/<[^>]+>/g,"");
        if (ele.toLowerCase().indexOf(suche)>=0 ) {
            table.rows[r].style.display = '';
        } else {
            table.rows[r].style.display = 'none';
        }
    }
}


var el = document.querySelectorAll('tr:nth-child(2)')[0].querySelectorAll('td:nth-child(2)')[0];
if (el.textContent == 'Parent Directory'){
    var parent_row = document.querySelectorAll('tr:nth-child(2)')[0];
    if (parent_row.classList){
        parent_row.classList.add('parent');
    } else {
        parent_row.className += ' ' + 'parent';
    }
}

var rows = document.querySelectorAll('tr:not(.parent)');
Array.prototype.forEach.call(rows, function(item, index){
    if (index !== 0) {
        var date_holder = item.querySelectorAll('td:nth-child(2)')[0];
        var date = date_holder.textContent;
        date = prettyDate(date);
        date_holder.innerHTML = date;
    }
});

var cells = document.querySelectorAll('td a');
Array.prototype.forEach.call(cells, function(item, index){
    var link = item.getAttribute('href');
    link = link.replace('.html', '');
    item.setAttribute('href', link);
});

var our_table = document.querySelectorAll('table')[0];
our_table.setAttribute('id', 'directory');

// search script
var search_input = document.querySelectorAll('input[name="filter"]')[0];
var clear_button = document.querySelectorAll('a.clear')[0];

if (search_input.value !== ''){
    search(search_input.value);
}

search_input.addEventListener('keyup', function(e){
    e.preventDefault();
    search(search_input.value);
});

search_input.addEventListener('keypress', function(e){
    if ( e.which == 13 ) {
        e.preventDefault();
    }
});

clear_button.addEventListener('click', function(e){
    search_input.value = '';
    search('');
});