var inkwell_timelines = {
    config : {
        data_loading : false,
        no_more_data : false,
        current_timestamp : null
    },

    formatDate : function (dateTime) {
        var date = dateTime.getDate();
        var month = dateTime.getMonth() + 1;
        var hour = dateTime.getHours();
        var mins = dateTime.getMinutes();
        return (date < 10 ? ('0' + date) : date) + '.' + (month < 10 ? ('0' + month) : month) + '.' + dateTime.getFullYear() +
            ' ' + (hour < 10 ? ('0' + hour) : hour) + ':' + (mins < 10 ? ('0' + mins) : mins);
    },

    activeTimelineName : function () {
        return inkwell_timelines.timelineName($('.inkwell_timelines .tab-menu .active'));
    },

    timelineName: function (timeline_obj) {
        var timeline_name = null;
        var classes = timeline_obj.attr('class').split(/\s+/);
        $(classes).each(function () {
            if (this.indexOf('timeline_') == 0) timeline_name = this.replace('timeline_', '');
        });
        return timeline_name;
    },

    timelineBlockName : function () {
        return $('.inkwell_timelines').attr('id');
    },

    lastItemId : function () {
        var id = $('.inkwell_timelines .wall_item').last().attr('id');
        if (id) {
            var splitted_id = id.split('_');
            return splitted_id[splitted_id.length - 1]
        }
        return null;
    },

    transferredParams : function (timeline) {
        return $('.inkwell_timelines input.transferred_params.' + timeline).attr('value');
    },

    selectorsValues : function () {
        var selectors = $('.inkwell_timelines .inkwell_multi_selector');
        var result = [];
        selectors.each(function () {
            if (!inkwell_multi_selector.is_all_checked($('.inkwell_timelines .inkwell_multi_selector'))) {
                var data = {};
                data['name'] = inkwell_multi_selector.get_selector_name($(this));
                data['data'] = inkwell_multi_selector.top_checked_checkboxes_ids($(this));
                result.push(data);
            }
        });
        return (result.length > 0 ? result : null);
    },

    getData : function (current_timeline, include_selectors) {
        var timestamp = $.now();
        inkwell_timelines.config.current_timestamp = timestamp;
        $.ajax({
            url: '<%= InkwellTimelines::Engine::config.autoload_path%>',
            type: 'POST',
            dataType: 'html',
            data: JSON.stringify({ block_name: inkwell_timelines.timelineBlockName(),
                timeline: current_timeline,
                last_item_id: inkwell_timelines.lastItemId(),
                transferred_params: inkwell_timelines.transferredParams(current_timeline),
                selectors_values: inkwell_timelines.selectorsValues(),
                include_selectors: include_selectors
            }),
            success: function (data) {
                if (timestamp == inkwell_timelines.config.current_timestamp) inkwell_timelines.buildTimeline(data);
            },
            complete: function () {
                inkwell_timelines.config.data_loading = false;
            }
        });
    },

    buildTimeline : function (data) {
        if (data == "") {
            inkwell_timelines.config.no_more_data = true;
            return;
        }
        $('.inkwell_timelines').append(data);
        inkwell_timelines.formDate();

    },

    formDate : function () {
        $('.inkwell_timelines .date:hidden').each(function () {
            $(this).text(inkwell_timelines.formatDate(new Date(parseInt($(this).text()))));
            $(this).removeAttr('style');
        });
    },

    removeTimelineData: function (include_selectors) {
        inkwell_timelines.config.no_more_data = false;
        if (include_selectors) $('.inkwell_timelines .inkwell_multi_selector').remove();
        $('.inkwell_timelines .wall_item').remove();
    },

    timelineClickHandler: function (timeline_obj) {
        inkwell_timelines.config.data_loading = true;
        inkwell_timelines.removeTimelineData(true);
        if (!timeline_obj.hasClass('active')) {
            $('.inkwell_timelines .tab-menu .active').removeClass('active');
            timeline_obj.addClass('active');
        }
        inkwell_timelines.getData(inkwell_timelines.timelineName(timeline_obj), true);
    },

    selectorChangedHandler: function (selector) {
        inkwell_timelines.config.data_loading = true;
        inkwell_timelines.removeTimelineData(false);
        var timeline_obj = $('.inkwell_timelines .tab-menu .active')[0];
        inkwell_timelines.getData(inkwell_timelines.timelineName($(timeline_obj)), false);
    }
};



$(document).ready(function () {
    inkwell_timelines.formDate();

    $(window).on('scroll', function(e) {
        inkwell_multi_selector.hide_popup();
        var scrHP = $(".inkwell_timelines").height() + $('.inkwell_timelines').offset().top;
        var scrH2 = $(this).height() + $(this).scrollTop();
        if (scrHP - scrH2 < <%= InkwellTimelines::Engine::config.load_distance%>) {
            if (!(inkwell_timelines.config.data_loading || inkwell_timelines.config.no_more_data)) {
                inkwell_timelines.config.data_loading = true;
                inkwell_timelines.getData(inkwell_timelines.activeTimelineName(), false);
            }
        }
    });

    $('.inkwell_timelines .tab-menu').on('click', 'span', function () {
        inkwell_timelines.timelineClickHandler($(this));
    });

    $(document).on('state_changed', '.inkwell_multi_selector', function () {
        inkwell_timelines.selectorChangedHandler($(this));
    });
});