/**
*
*	Full Calendar callback methods.
*
*/

function scheduleRefetchEvents(json) {
    if(json.show_error == true){
        alert("The show instance doesn't exist anymore!")
    }
    $("#schedule_calendar").fullCalendar( 'refetchEvents' );
}

function openAddShowForm() {

     if($("#add-show-form").length == 1) {
        if( ($("#add-show-form").css('display')=='none')) {
            $("#add-show-form").show();
            var windowWidth = $(window).width();
            // margin on showform are 16 px on each side
            var calendarWidth = 100-(($("#schedule-add-show").width() + (16 * 4))/windowWidth*100);
            var widthPercent = parseInt(calendarWidth)+"%";
            $("#schedule_calendar").css("width", widthPercent);
            $("#schedule_calendar").fullCalendar('render');
        }
        $("#schedule-show-what").show(0, function(){
        	$add_show_name = $("#add_show_name");
        	$add_show_name.focus();
        	$add_show_name.select();
        });
    }
}

function makeAddShowButton(){
    $('.fc-header-left')
        .append('<span class="fc-header-space"></span>')
        .append('<span class="fc-button"><a href="#" class="add-button"><span class="add-icon"></span>Show</a></span>')
        .find('span.fc-button:last > a')
            .click(function(){
                openAddShowForm();
                removeAddShowButton();
            });
}

function removeAddShowButton(){
    var aTag = $('.fc-header-left')
        .find("span.fc-button:last > a");

    var span = aTag.parent();
    span.prev().remove();
    span.remove();
}

function pad(number, length) {
    
    var str = '' + number;
    while (str.length < length) {
        str = '0' + str;
    }
   
    return str;

}

function makeTimeStamp(date){
	var sy, sm, sd, h, m, s, timestamp;
	sy = date.getFullYear();
	sm = date.getMonth() + 1;
	sd = date.getDate();
	h = date.getHours();
	m = date.getMinutes();
	s = date.getSeconds();

	timestamp = sy+"-"+ pad(sm, 2) +"-"+ pad(sd, 2) +" "+ pad(h, 2) +":"+ pad(m, 2) +":"+ pad(s, 2);
	return timestamp;
}

function adjustDateToServerDate(date, serverTimezoneOffset){
    //date object stores time in the browser's localtime. We need to artificially shift 
    //it to 
    var timezoneOffset = date.getTimezoneOffset()*60*1000;
    
    date.setTime(date.getTime() + timezoneOffset + serverTimezoneOffset*1000);
    
    /* date object has been shifted to artificial UTC time. Now let's
     * shift it to the server's timezone */
    
    return date;
}

function pad(number, length) {
    var str = '' + number;
    while (str.length < length) {
        str = '0' + str;
    }

    return str;
}

function dayClick(date, allDay, jsEvent, view) {
    var now, today, selected, chosenDate, chosenTime;

    now = adjustDateToServerDate(new Date(), serverTimezoneOffset);

    if(view.name === "month") {
        today = new Date(now.getFullYear(), now.getMonth(), now.getDate());
        selected = new Date(date.getFullYear(), date.getMonth(), date.getDate());
    }
    else {
        today = new Date(now.getFullYear(), now.getMonth(), now.getDate(), now.getHours(), now.getMinutes());
        selected = new Date(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes());
    }

    if(selected >= today) {
        var addShow = $('.add-button');

        //remove the +show button if it exists.
        if(addShow.length == 1){
             var span = $(addShow).parent();
            $(span).prev().remove();
            $(span).remove();
        }
        
        // 1 hr
        var duration = 60 * 60* 1000;
        
        var endDateTime = new Date(selected.getTime() + duration);
        
        chosenDate = selected.getFullYear() + '-' + pad(selected.getMonth()+1,2) + '-' + pad(selected.getDate(),2);
        chosenTime = pad(selected.getHours(),2) + ':' + pad(selected.getMinutes(),2);
        var endDateFormat = endDateTime.getFullYear() + '-' + pad(endDateTime.getMonth()+1,2) + '-' + pad(endDateTime.getDate(),2);
        var endTimeFormat = pad(endDateTime.getHours(),2) + ':' + pad(endDateTime.getMinutes(),2);

        $("#add_show_start_date").val(chosenDate);
        $("#add_show_end_date_no_repeat").val(endDateFormat);
        $("#add_show_end_date").datepicker("option", "minDate", endDateFormat);
        $("#add_show_end_date").val(endDateFormat);
        $("#add_show_start_time").val(chosenTime);
        $("#add_show_end_time").val(endTimeFormat);
        $("#add_show_duration").val('1h');
        $("#schedule-show-when").show();

	    openAddShowForm();
    }
}

function viewDisplay( view ) {

    if(view.name === 'agendaDay' || view.name === 'agendaWeek') {

        var calendarEl = this;

        var select = $('<select class="schedule_change_slots input_select"/>')
            .append('<option value="1">1m</option>')
            .append('<option value="5">5m</option>')
            .append('<option value="10">10m</option>')
            .append('<option value="15">15m</option>')
            .append('<option value="30">30m</option>')
            .append('<option value="60">60m</option>')
            .change(function(){
                var slotMin = $(this).val();
                var opt = view.calendar.options;
                var date = $(calendarEl).fullCalendar('getDate');

                opt.slotMinutes = parseInt(slotMin);
                opt.events = getFullCalendarEvents;
                opt.defaultView = view.name;

                //re-initialize calendar with new slotmin options
                $(calendarEl)
                    .fullCalendar('destroy')
                    .fullCalendar(opt)
                    .fullCalendar( 'gotoDate', date );
                
                //save slotMin value to db
                var url = '/Schedule/set-time-interval/format/json';
		$.post(url, {timeInterval: slotMin});
            });

        var topLeft = $(view.element).find("table.fc-agenda-days > thead th:first");

        select.width(topLeft.width())
            .height(topLeft.height());

        topLeft.empty()
            .append(select);

        var slotMin = view.calendar.options.slotMinutes;
        $('.schedule_change_slots option[value="'+slotMin+'"]').attr('selected', 'selected');
    }

    if(($("#add-show-form").length == 1) && ($("#add-show-form").css('display')=='none') && ($('.fc-header-left > span').length == 5)) {
        makeAddShowButton();
    }
    
    //save view name to db
    var url = '/Schedule/set-time-scale/format/json';
    $.post(url, {timeScale: view.name});
}

function eventRender(event, element, view) {

    //only put progress bar on shows that aren't being recorded.
	if((view.name === 'agendaDay' || view.name === 'agendaWeek') && event.record === 0) {
		var div = $('<div/>');
		div
			.height('5px')
			.width('95%')
			.css('margin-top', '1px')
            .css('margin-left', 'auto')
            .css('margin-right', 'auto')
			.progressbar({
				value: event.percent
			});

		$(element).find(".fc-event-content").append(div);
	}

    //add the record/rebroadcast icons if needed.
    //record icon (only if not on soundcloud, will always be true for future events)
    if((view.name === 'agendaDay' || view.name === 'agendaWeek') && event.record === 1 && event.soundcloud_id === -1) {

		$(element).find(".fc-event-time").before('<span id="'+event.id+'" class="small-icon recording"></span>');
	}
    if(view.name === 'month' && event.record === 1 && event.soundcloud_id === -1) {

		$(element).find(".fc-event-title").after('<span id="'+event.id+'" class="small-icon recording"></span>');
	}
    //rebroadcast icon
    if((view.name === 'agendaDay' || view.name === 'agendaWeek') && event.rebroadcast === 1) {

		$(element).find(".fc-event-time").before('<span id="'+event.id+'" class="small-icon rebroadcast"></span>');
	}
    if(view.name === 'month' && event.rebroadcast === 1) {

		$(element).find(".fc-event-title").after('<span id="'+event.id+'" class="small-icon rebroadcast"></span>');
	}
    //soundcloud icon
    if((view.name === 'agendaDay' || view.name === 'agendaWeek') && event.soundcloud_id > 0 && event.record === 1) {

		$(element).find(".fc-event-time").before('<span id="'+event.id+'" class="small-icon soundcloud"></span>');
	}
    if(view.name === 'month' && event.soundcloud_id > 0 && event.record === 1) {

		$(element).find(".fc-event-title").after('<span id="'+event.id+'" class="small-icon soundcloud"></span>');
	}
    
    //progress icon
    if((view.name === 'agendaDay' || view.name === 'agendaWeek') && event.soundcloud_id === -2 && event.record === 1) {

        $(element).find(".fc-event-time").before('<span id="'+event.id+'" class="small-icon progress"></span>');
    }
    if(view.name === 'month' && event.soundcloud_id === -2 && event.record === 1) {

        $(element).find(".fc-event-title").after('<span id="'+event.id+'" class="small-icon progress"></span>');
    }
    
    //error icon
    if((view.name === 'agendaDay' || view.name === 'agendaWeek') && event.soundcloud_id === -3 && event.record === 1) {

        $(element).find(".fc-event-time").before('<span id="'+event.id+'" class="small-icon sc-error"></span>');
    }
    if(view.name === 'month' && event.soundcloud_id === -3 && event.record === 1) {

        $(element).find(".fc-event-title").after('<span id="'+event.id+'" class="small-icon sc-error"></span>');
    }
}

function eventAfterRender( event, element, view ) {
    $(element)
		.jjmenu("click",
			[{get:"/Schedule/make-context-menu/format/json/id/#id#"}],
			{id: event.id},
			{xposition: "mouse", yposition: "mouse"});
    $(element).find(".small-icon").live('mouseover',function(){
        addQtipToSCIcons($(this));
    })
}

function eventDrop(event, dayDelta, minuteDelta, allDay, revertFunc, jsEvent, ui, view) {
	var url;

	url = '/Schedule/move-show/format/json';

	$.post(url,
		{day: dayDelta, min: minuteDelta, showInstanceId: event.id},
		function(json){
		    if(json.show_error == true){
                alertShowErrorAndReload();
            }
			if(json.error) {
                alert(json.error);
				revertFunc();
			}
		});
}

function eventResize( event, dayDelta, minuteDelta, revertFunc, jsEvent, ui, view ) {
	var url;

	url = '/Schedule/resize-show/format/json';

	$.post(url,
		{day: dayDelta, min: minuteDelta, showId: event.showId},
		function(json){
		    if(json.show_error == true){
                alertShowErrorAndReload();
            }
			if(json.error) {
                alert(json.error);
				revertFunc();
			}

            scheduleRefetchEvents(json);
		});
}

function getFullCalendarEvents(start, end, callback) {
	var url, start_date, end_date;

	start_date = makeTimeStamp(start);
	end_date = makeTimeStamp(end);

	url = '/Schedule/event-feed';

	var d = new Date();

	$.post(url, {format: "json", start: start_date, end: end_date, cachep: d.getTime()}, function(json){
		callback(json.events);
	});
}

function checkSCUploadStatus(){
    var url = '/Library/get-upload-to-soundcloud-status/format/json';
    $("span[class*=progress]").each(function(){
        var id = $(this).attr("id");
        $.post(url, {format: "json", id: id, type:"show"}, function(json){
            if(json.sc_id > 0){
                $("span[id="+id+"]").removeClass("progress").addClass("soundcloud");
            }else if(json.sc_id == "-3"){
                $("span[id="+id+"]").removeClass("progress").addClass("sc-error");
            }
        });
    })
}

function addQtipToSCIcons(ele){
    var id = $(ele).attr("id");
    if($(ele).hasClass("progress")){
        $(ele).qtip({
            content: {
                text: "Uploading in progress..."
            },
            position:{
                adjust: {
                resize: true,
                method: "flip flip"
                },
                at: "right center",
                my: "left top",
                viewport: $(window)
            },
            show: {
                ready: true // Needed to make it show on first mouseover event
            }
        })
    }else if($(ele).hasClass("soundcloud")){
        $(ele).qtip({
            content: {
                text: "Retreiving data from the server...",
                ajax: {
                    url: "/Library/get-upload-to-soundcloud-status",
                    type: "post",
                    data: ({format: "json", id : id, type: "file"}),
                    success: function(json, status){
                        this.set('content.text', "The soundcloud id for this file is: "+json.sc_id)
                    }
                }
            },
            position:{
                adjust: {
                resize: true,
                method: "flip flip"
                },
                at: "right center",
                my: "left top",
                viewport: $(window)
            },
            show: {
                ready: true // Needed to make it show on first mouseover event
            }
        })
    }else if($(ele).hasClass("sc-error")){
        $(ele).qtip({
            content: {
                text: "Retreiving data from the server...",
                ajax: {
                    url: "/Library/get-upload-to-soundcloud-status",
                    type: "post",
                    data: ({format: "json", id : id, type: "show"}),
                    success: function(json, status){
                        this.set('content.text', "There was error while uploading to soundcloud.<br>"+"Error code: "+json.error_code+
                                "<br>"+"Error msg: "+json.error_msg+"<br>")
                    }
                }
            },
            position:{
                adjust: {
                resize: true,
                method: "flip flip"
                },
                at: "right center",
                my: "left top",
                viewport: $(window)
            },
            show: {
                ready: true // Needed to make it show on first mouseover event
            }
        })
    }
}

//Alert the error and reload the page
//this function is used to resolve concurrency issue
function alertShowErrorAndReload(){
  alert("The show instance doesn't exist anymore!");
  window.location.reload();
}

$(document).ready(function(){
    setInterval( "checkSCUploadStatus()", 5000 );
})