'use strict';

$(function () {
    $.ajaxSetup({ cache: false });

    $(document).ready(function() {
    	var pageTitle = (($(".content-wrapper h2").html()).concat(" - ")).concat(document.title);
    	document.title = pageTitle;
    });

    $(document).on('click', '.pagination a', function (event) {
        goToPage(this);
    });

    $('.pagination a').on('click', function (event) {
        goToPage(this);
    });

    var createStartTime = function (year) {
        return new Date(year, 0, 1, 0).getTime();
    };

    var createEndTime = function (year) {
        return new Date(parseInt(year, 10) + 1, 0, 1).getTime();
    };

    var changeTimePeriod = function (startTime, endTime, page) {
        var period = $('#selectPeriod').find(':selected').text();
        $.get('/despre-noi/events/?startTime=' + startTime + '&endTime=' + endTime + '&page=' + (page != undefined ? page : 1),
            function (data) {
                updatePageContent(data);
            }
        ).done(function () {
                $('#selectPeriod').find('option:contains(' + period + ')').attr('selected', 'selected');
            });
    };

    var goToPage = function (pageLink) {
        var page = $(pageLink).data('page');
        if (page) {
            var startTime;
            var endTime;

            var date = $datepicker.val();
            if (date != '') {
                var dateSplit = date.split('-');
                startTime = new Date(dateSplit[2], dateSplit[1] - 1, dateSplit[0]).getTime();
                endTime = new Date(dateSplit[2], dateSplit[1] - 1, dateSplit[0] + 1).getTime();
            } else {
                var year = $('#selectPeriod').find(':selected').text();
                if ($.isNumeric(year)) {
                    startTime = createStartTime(year);
                    endTime = createEndTime(year);
                } else {
                    var years = year.split('-');
                    startTime = createStartTime(years[0]);
                    endTime = createEndTime(years[1]);
                }
            }
            changeTimePeriod(startTime, endTime, page);
        }
    };

    var $datepicker = $('#date-picker');
    var datepicker = $datepicker.datepicker({
        format: 'dd-mm-yyyy',
        onRender: function (date) {
            var period = $('#selectPeriod').find(':selected').text();
            if (!$.isNumeric(period)) {
                var years = period.split('-');
                return date.getTime() >= createStartTime(years[0]) && date.getTime() <= createEndTime(years[1]) ? '' : 'disabled';
            }
            return date.getTime() >= createStartTime(period) && date.getTime() <= createEndTime(period) ? '' : 'disabled';
        }
    }).data('datepicker');

    $datepicker.on('changeDate', function (event) {
        var startDate = new Date(event.date.getFullYear(), event.date.getMonth(), event.date.getDate());
        var endDate = new Date(event.date.getFullYear(), event.date.getMonth(), event.date.getDate() + 1);
        changeTimePeriod(startDate.getTime(), endDate.getTime());
        datepicker.hide();
    });

    $datepicker.bind('click keydown cut copy paste', function (e) {
        e.preventDefault();
    });

    $('#periodSelector').on('change', '#selectPeriod', function (e) {
        var selectedYear = $(this).find(':selected').val();
        var startTime = $.isNumeric(selectedYear) ? createStartTime(selectedYear) : 'NA';
        var endTime = $.isNumeric(selectedYear) ? createEndTime(selectedYear) : 'NA';
        changeTimePeriod(startTime, endTime);
        datepicker.setValue(startTime);
        $datepicker.val('');
    });

    var updatePageContent = function (data) {
        $('#paginationTop').html($(data).find('#paginationTop').children());
        $('#periodSelector').html($(data).find('#periodSelector').children());
        $('#news-feed').html($(data).find('#news-feed').children());
        $('#paginationContainer').html($(data).find('#paginationContainer').children());

        $.scrollTo($('header h1'), {duration: 200});
    };
});