/**
*
*	Schedule Dialog creation methods.
*
*/

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);

            // 200 px for top dashboard and 50 for padding on main content
            // this calculation was copied from schedule.js line 326
            var mainHeight = document.documentElement.clientHeight - 200 - 50;
            $('#schedule_calendar').fullCalendar('option', 'contentHeight', mainHeight);
        }
        $("#schedule-show-what").show(0, function(){
            $add_show_name = $("#add_show_name");
            $add_show_name.focus();
            $add_show_name.select();
        });
    }
}

function makeAddShowButton(){
    $('.fc-header-left')
        .append('<span class="fc-header-space"></span>')
        .append('<span class="fc-button"><a href="#" class="add-button"><span class="add-icon"></span>'+$.i18n._("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();
}

//$el is DOM element #add-show-form
//form is the new form contents to append to $el
function redrawAddShowForm($el, form) {
	
	//need to clean up the color picker.
    $el.find("#schedule-show-style input").each(function(i, el){
    	var $input = $(this), 
    		colId = $input.data("colorpickerId");
    	
    	$("#"+colId).remove();
    	$input.removeData();
    });
    
    $el.empty().append(form);
    
    setAddShowEvents($el);
}

function closeAddShowForm(event) {
    event.stopPropagation();
    event.preventDefault();

    var $el = $("#add-show-form");
    
	$el.hide();
    windowResize();

    $.get(baseUrl+"Schedule/get-form", {format:"json"}, function(json) {
    	
    	redrawAddShowForm($el, json.form);
    });
    
    makeAddShowButton();
}

//dateText mm-dd-yy
function startDpSelect(dateText, inst) {
	var time, date;

	time = dateText.split("-");
	date = new Date(time[0], time[1] - 1, time[2]);

    if (inst.input)
        inst.input.trigger('input');
}

function endDpSelect(dateText, inst) {
	var time, date;
    
	time = dateText.split("-");
	date = new Date(time[0], time[1] - 1, time[2]);

	if (inst.input)
        inst.input.trigger('input');
}

function createDateInput(el, onSelect) {
	var date;

	el.datepicker({
        minDate: adjustDateToServerDate(new Date(), timezoneOffset),
        onSelect: onSelect,
        dateFormat: 'yy-mm-dd',
        //i18n_months, i18n_days_short are in common.js
        monthNames: i18n_months,
        dayNamesMin: i18n_days_short,
        closeText: $.i18n._('Close'),
        //showButtonPanel: true,
        firstDay: calendarPref.weekStart
		});
}

function autoSelect(event, ui) {

    $("#add_show_hosts-"+ui.item.index).attr("checked", "checked");
	event.preventDefault();
}

function findHosts(request, callback) {
	var search, url;

	url = baseUrl+"User/get-hosts";
	search = request.term;

	var noResult = new Array();
    noResult[0] = new Array();
    noResult[0]['value'] = $("#add_show_hosts_autocomplete").val();
    noResult[0]['label'] = $.i18n._("No result found");
    noResult[0]['index'] = null;
    
	$.post(url,
		{format: "json", term: search},

		function(json) {
		    if(json.hosts.length<1){
	            callback(noResult);
	        }else{
	            callback(json.hosts);
	        }
		});

}

function beginEditShow(data){
	
    if (data.show_error == true){
        alertShowErrorAndReload();
        return false;
    }
    
    redrawAddShowForm($("#add-show-form"), data.newForm);
    removeAddShowButton();
    openAddShowForm();
}

function onStartTimeSelect(){
    $("#add_show_start_time").trigger('input');
}

function onEndTimeSelect(){
    $("#add_show_end_time").trigger('input');
}

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

function hashCode(str) { // java String#hashCode
    var hash = 0;
    for (var i = 0; i < str.length; i++) {
       hash = str.charCodeAt(i) + ((hash << 5) - hash);
    }
    return hash;
} 

function intToRGB(i){
    return (padZeroes(((i>>16)&0xFF).toString(16), 2) + 
           padZeroes(((i>>8)&0xFF).toString(16), 2)+ 
           padZeroes((i&0xFF).toString(16), 2)
           );
}

function stringToColor(s)
{
    return intToRGB(hashCode(s));
}

function getContrastYIQ(hexcolor){
	var r = parseInt(hexcolor.substr(0,2),16);
	var g = parseInt(hexcolor.substr(2,2),16);
	var b = parseInt(hexcolor.substr(4,2),16);
	var yiq = ((r*299)+(g*587)+(b*114))/1000;
	return (yiq >= 128) ? '000000' : 'ffffff';
}


function setAddShowEvents(form) {

    //var form = $("#add-show-form");

	form.find("h3").click(function(){
        $(this).next().toggle();
    });

    if(!form.find("#add_show_repeats").attr('checked')) {
        form.find("#schedule-show-when > fieldset:last").hide();
        $("#add_show_rebroadcast_relative").hide();
    }
    else {
        $("#add_show_rebroadcast_absolute").hide();
    }

    if(!form.find("#add_show_record").attr('checked')) {
        form.find("#add_show_rebroadcast").hide();
    }

    if(!form.find("#add_show_rebroadcast").attr('checked')) {
        form.find("#schedule-record-rebroadcast > fieldset:not(:first-child)").hide();
    }

    form.find("#add_show_repeats").click(function(){
        $(this).blur();
        form.find("#schedule-show-when > fieldset:last").toggle();
        
        var checkBoxSelected = false;
        var days = form.find("#add_show_day_check-element input").each( function() {
                var currentCheckBox = $(this).attr("checked");
                if (currentCheckBox && currentCheckBox == "checked"){
                    checkBoxSelected = true;
                }
            });
        

        if (!checkBoxSelected){
            var d = getDateFromString(form.find("#add_show_start_date").attr("value"));
            if ( d != null)
                form.find("#add_show_day_check-"+d.getDay()).attr('checked', true);
        }
        
        //must switch rebroadcast displays
        if(form.find("#add_show_rebroadcast").attr('checked')) {

            if($(this).attr('checked')){
                form.find("#add_show_rebroadcast_absolute").hide();
                form.find("#add_show_rebroadcast_relative").show();
            }
            else {
                form.find("#add_show_rebroadcast_absolute").show();
                form.find("#add_show_rebroadcast_relative").hide();
            }
        }
    });

    form.find("#add_show_linked").click(function(){
        if (!$(this).attr("checked") && $("#show-link-warning").length === 0) {
            $(this).parent().after("<ul id='show-link-warning' class='errors'><li>"+$.i18n._("Warning: Shows cannot be re-linked")+"</li></ul>");
        }
    });

    form.find("#add_show_linked-label").before("<span class='show_linking_help_icon'></span>");

    form.find("#add_show_record").click(function(){
        $(this).blur();
        form.find("#add_show_rebroadcast").toggle();

        if (form.find("#add_show_record").attr("checked")) {
            form.find("#add_show_linked").attr("checked", false).attr("disabled", true);
        } else {
            form.find("#add_show_linked").attr("disabled", false);
        }

        //uncheck rebroadcast checkbox
        form.find("#add_show_rebroadcast").attr('checked', false);

        //hide rebroadcast options
        form.find("#schedule-record-rebroadcast > fieldset:not(:first-child)").hide();
    });

    form.find("#add_show_rebroadcast").click(function(){
        $(this).blur();
        if(form.find("#add_show_record").attr('checked')){
	        if($(this).attr('checked') && !form.find("#add_show_repeats").attr('checked')) {
	            form.find("#add_show_rebroadcast_absolute").show();
	        }
	        else if($(this).attr('checked') && form.find("#add_show_repeats").attr('checked')) {
	            form.find("#add_show_rebroadcast_relative").show();
	        }
	        else {
	            form.find("#schedule-record-rebroadcast > fieldset:not(:first-child)").hide();
	        }
    	}
    });

    // in case user is creating a new show, there will be
    // no show_id so we have to store the default timezone
    // to be able to do the conversion when the timezone
    // setting changes
    var currentTimezone = form.find("#add_show_timezone").val();

    form.find("#add_show_timezone").change(function(){
        var startDateField = form.find("#add_show_start_date"),
            startTimeField = form.find("#add_show_start_time"),
            endDateField = form.find("#add_show_end_date_no_repeat"),
            endTimeField = form.find("#add_show_end_time"),
            newTimezone = form.find("#add_show_timezone").val();

        $.post(baseUrl+"Schedule/localize-start-end-time",
               {format: "json",
                startDate: startDateField.val(),
                startTime: startTimeField.val(),
                endDate: endDateField.val(),
                endTime: endTimeField.val(),
                newTimezone: newTimezone,
                oldTimezone: currentTimezone}, function(json){

            startDateField.val(json.start.date);
            startTimeField.val(json.start.time);
            endDateField.val(json.end.date);
            endTimeField.val(json.end.time);
        });
    });

    form.find("#add_show_repeat_type").change(function(){
        toggleRepeatDays();
        toggleMonthlyRepeatType();
    });
    toggleMonthlyRepeatType();
    toggleRepeatDays();
    function toggleRepeatDays() {
        if(form.find("#add_show_repeat_type").val() == 2 || form.find("#add_show_repeat_type").val() == 3) {
            form.find("#add_show_day_check-label, #add_show_day_check-element").hide();
            //form.find("#add_show_monthly_repeat_type-label, #add_show_monthly_repeat_type-element").show();
        }
        else {
            form.find("#add_show_day_check-label, #add_show_day_check-element").show();
            //form.find("#add_show_monthly_repeat_type-label, #add_show_monthly_repeat_type-element").hide();
        }
    }
    function toggleMonthlyRepeatType() {
        if (form.find("#add_show_repeat_type").val() == 2) {
            form.find("#add_show_monthly_repeat_type-label, #add_show_monthly_repeat_type-element").show();
        } else {
            form.find("#add_show_monthly_repeat_type-label, #add_show_monthly_repeat_type-element").hide();
        }
    }

    form.find("#add_show_day_check-label").addClass("block-display");
    form.find("#add_show_day_check-element").addClass("block-display clearfix");
    form.find("#add_show_day_check-element label").addClass("wrapp-label");
    form.find("#add_show_day_check-element br").remove();

    form.find(".show_timezone_help_icon").qtip({
        content: {
            text: $.i18n._("Timezone is set to the station timezone by default. Shows in the calendar will be displayed in your local time defined by the " +
                "Interface Timezone in your user settings.")
        },
        hide: {
            delay: 500,
            fixed: true
        },
        style: {
            border: {
                width: 0,
                radius: 4
            },
            classes: "ui-tooltip-dark ui-tooltip-rounded"
        },
        position: {
            my: "left bottom",
            at: "right center"
        }
    });

    form.find(".airtime_auth_help_icon").qtip({
        content: {
            text: $.i18n._("This follows the same security pattern for the shows: only users assigned to the show can connect.")
        },
        hide: {
            delay: 500,
            fixed: true
        },
        style: {
            border: {
                width: 0,
                radius: 4
            },
            classes: "ui-tooltip-dark ui-tooltip-rounded"
        },
        position: {
            my: "left bottom",
            at: "right center"
        }
    });
    form.find(".custom_auth_help_icon").qtip({
        content: {
            text: $.i18n._("Specify custom authentication which will work only for this show.")
        },
        hide: {
            delay: 500,
            fixed: true
        },
        style: {
            border: {
                width: 0,
                radius: 4
            },
            classes: "ui-tooltip-dark ui-tooltip-rounded"
        },
        position: {
            my: "left bottom",
            at: "right center"
        }
    });
    form.find(".stream_username_help_icon").qtip({
        content: {
            text: $.i18n._("If your live streaming client does not ask for a username, this field should be 'source'.")
        },
        hide: {
            delay: 500,
            fixed: true
        },
        style: {
            border: {
                width: 0,
                radius: 4
            },
            classes: "ui-tooltip-dark ui-tooltip-rounded"
        },
        position: {
            my: "left bottom",
            at: "right center"
        }
    });
    form.find(".show_linking_help_icon").qtip({
        content: {
            text: $.i18n._("By linking your repeating shows any media items scheduled in any repeat show will also get scheduled in the other repeat shows")
        },
        hide: {
            delay: 500,
            fixed: true
        },
        style: {
            border: {
                width: 0,
                radius: 4
            },
            classes: "ui-tooltip-dark ui-tooltip-rounded"
        },
        position: {
            my: "left bottom",
            at: "right center"
        }
    });
    function endDateVisibility(){
        if(form.find("#add_show_no_end").is(':checked')){
            form.find("#add_show_end_date").hide();
        } else {
            form.find("#add_show_end_date").show();
        }
    }
    endDateVisibility();
    form.find("#add_show_no_end").click(endDateVisibility);

	createDateInput(form.find("#add_show_start_date"), startDpSelect);
	createDateInput(form.find("#add_show_end_date_no_repeat"), endDpSelect);
	createDateInput(form.find("#add_show_end_date"), endDpSelect);

    $("#add_show_start_time").timepicker({
        amPmText: ['', ''],
        defaultTime: '00:00',
        onSelect: onStartTimeSelect,
        hourText: $.i18n._("Hour"),
        minuteText: $.i18n._("Minute")
    });
    $("#add_show_end_time").timepicker({
        amPmText: ['', ''],
        onSelect: onEndTimeSelect,
        hourText: $.i18n._("Hour"),
        minuteText: $.i18n._("Minute")
    });

    form.find('input[name^="add_show_rebroadcast_date_absolute"]').datepicker({
        minDate: adjustDateToServerDate(new Date(), timezoneOffset),
        dateFormat: 'yy-mm-dd',
        //i18n_months, i18n_days_short are in common.js
        monthNames: i18n_months,
        dayNamesMin: i18n_days_short,
        closeText: 'Close',
        showButtonPanel: true,
        firstDay: calendarPref.weekStart
	});
    form.find('input[name^="add_show_rebroadcast_time"]').timepicker({
        amPmText: ['', ''],
        defaultTime: '',
        closeButtonText: $.i18n._("Done"),
        hourText: $.i18n._("Hour"),
        minuteText: $.i18n._("Minute")
    });

    form.find(".add_absolute_rebroadcast_day").click(function(){
        var li = $(this).parent().find("ul.formrow-repeat > li:visible:last").next();

        li.show();
        li = li.next();
        if(li.length === 0) {
            $(this).hide();
        }
    });

    form.find('a[id^="remove_rebroadcast"]').click(function(){
        var list = $(this).parent().parent();
        var li_num = $(this).parent().index();
        var num = list.find("li").length;
        var count = num - li_num;

        var curr = $(this).parent();
        var next = curr.next();

        for(var i=0; i<=count; i++) {
            var date = next.find('[name^="add_show_rebroadcast_date"]').val();
            curr.find('[name^="add_show_rebroadcast_date"]').val(date);
            var time = next.find('[name^="add_show_rebroadcast_time"]').val();
            curr.find('[name^="add_show_rebroadcast_time"]').val(time);

            curr = next;
            next = curr.next();
        }

        list.find("li:visible:last")
                .find('[name^="add_show_rebroadcast_date"]')
                    .val('')
                .end()
                .find('[name^="add_show_rebroadcast_time"]')
                    .val('')
                .end()
            .hide();

        list.next().show();
    });

	form.find("#add_show_hosts_autocomplete").autocomplete({
		source: findHosts,
		select: autoSelect,
        delay: 200
	});
	
	form.find("#add_show_hosts_autocomplete").keypress(function(e){
        if( e.which == 13 ){
            return false;
        }
    })

	form.find("#schedule-show-style input").ColorPicker({
        onChange: function (hsb, hex, rgb, el) {
		    $(el).val(hex);
	    },
		onSubmit: function(hsb, hex, rgb, el) {
			$(el).val(hex);
			$(el).ColorPickerHide();
		},
		onBeforeShow: function () {
			$(this).ColorPickerSetColor(this.value);
		}
	});

    form.find("#add-show-close").click(closeAddShowForm);

	form.find(".add-show-submit").click(function(event) {
		event.preventDefault();
		
        var addShowButton = $(this);
        
        $('#schedule-add-show').block({ 
            message: null,
            applyPlatformOpacityRules: false
        });

        //when editing a show, the record option is disabled
        //we have to enable it to get the correct value when
        //we call serializeArray()
        if (form.find("#add_show_record").attr("disabled", true)) {
            form.find("#add_show_record").attr("disabled", false);
        }

		var data = $("form").serializeArray();

        var hosts = $('#add_show_hosts-element input').map(function() {
            if($(this).attr("checked")) {
                return $(this).val();
            }
        }).get();

        var days = $('#add_show_day_check-element input').map(function() {
            if($(this).attr("checked")) {
                return $(this).val();
            }
        }).get();

        var start_date = $("#add_show_start_date").val();
        var end_date = $("#add_show_end_date").val();
        var action = baseUrl+"Schedule/"+String(addShowButton.attr("data-action"));

        $.post(action, {format: "json", data: data, hosts: hosts, days: days}, function(json){
            
            $('#schedule-add-show').unblock();
            
            var $addShowForm = $("#add-show-form");
            
            if (json.form) {
            	
            	redrawAddShowForm($addShowForm, json.form);

                $("#add_show_end_date").val(end_date);
                $("#add_show_start_date").val(start_date);
                showErrorSections();
            }
            else if (json.edit) {
            	
                $("#schedule_calendar").removeAttr("style")
                	.fullCalendar('render');

                $addShowForm.hide();
                $.get(baseUrl+"Schedule/get-form", {format:"json"}, function(json){
                	redrawAddShowForm($addShowForm, json.form);
                });
                makeAddShowButton();
            }
            else {

                redrawAddShowForm($addShowForm, json.newForm);
                scheduleRefetchEvents(json);
            }
        });
	});

    var regDate = new RegExp(/^[0-9]{4}-[0-1][0-9]-[0-3][0-9]$/);
    var regTime = new RegExp(/^[0-2][0-9]:[0-5][0-9]$/);
    
	// when start date/time changes, set end date/time to start date/time+1 hr
	$('#add_show_start_date, #add_show_start_time').bind('input', 'change', function(){
	    var startDateString = $('#add_show_start_date').val();
	    var startTimeString = $('#add_show_start_time').val();
	    
	    if(regDate.test(startDateString) && regTime.test(startTimeString)){
    		var startDate = startDateString.split('-');
    		var startTime = startTimeString.split(':');
            var startDateTime = new Date(startDate[0], parseInt(startDate[1], 10)-1, startDate[2], startTime[0], startTime[1], 0, 0);
    
            var endDateString = $('#add_show_end_date_no_repeat').val();
            var endTimeString = $('#add_show_end_time').val()
    		var endDate = endDateString.split('-');
    		var endTime = endTimeString.split(':');
            var endDateTime = new Date(endDate[0], parseInt(endDate[1], 10)-1, endDate[2], endTime[0], endTime[1], 0, 0);
    
    		if(startDateTime.getTime() >= endDateTime.getTime()){
    		    var duration = $('#add_show_duration').val();
    	        // parse duration
    		    var time = 0;
    		    var info = duration.split(' ');
    		    var h = parseInt(info[0], 10);
    		    time += h * 60 * 60* 1000;
    		    if(info.length >1 && $.trim(info[1]) !== ''){
    		        var m = parseInt(info[1], 10);
    		        time += m * 60 * 1000;
    		    }
    			endDateTime = new Date(startDateTime.getTime() + time);
    		}
    
    		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_end_date_no_repeat').val(endDateFormat);
    		$('#add_show_end_time').val(endTimeFormat);
    
    		// calculate duration
    		var startDateTimeString = startDateString + " " + startTimeString;
    		var endDateTimeString = $('#add_show_end_date_no_repeat').val() + " " + $('#add_show_end_time').val();
    		calculateDuration(startDateTimeString, endDateTimeString);
	    }
	});

	// when end date/time changes, check if the changed date is in past of start date/time
	$('#add_show_end_date_no_repeat, #add_show_end_time').bind('input', 'change', function(){
	    var endDateString = $('#add_show_end_date_no_repeat').val();
        var endTimeString = $('#add_show_end_time').val()
	    
        if(regDate.test(endDateString) && regTime.test(endTimeString)){
            var startDateString = $('#add_show_start_date').val();
            var startTimeString = $('#add_show_start_time').val();
            var startDate = startDateString.split('-');
            var startTime = startTimeString.split(':');
            var startDateTime = new Date(startDate[0], parseInt(startDate[1], 10)-1, startDate[2], startTime[0], startTime[1], 0, 0);

            var endDate = endDateString.split('-');
            var endTime = endTimeString.split(':');
            var endDateTime = new Date(endDate[0], parseInt(endDate[1], 10)-1, endDate[2], endTime[0], endTime[1], 0, 0);
    
    		if(startDateTime.getTime() > endDateTime.getTime()){
    			$('#add_show_end_date_no_repeat').css('background-color', '#F49C9C');
    			$('#add_show_end_time').css('background-color', '#F49C9C');
    		}else{
    			$('#add_show_end_date_no_repeat').css('background-color', '');
    			$('#add_show_end_time').css('background-color', '');
    		}
    
    		// calculate duration
    		var startDateTimeString = startDateString + " " + startTimeString;
            var endDateTimeString = endDateString + " " + endTimeString;
            calculateDuration(startDateTimeString, endDateTimeString);
        }
	});

    if($('#cb_custom_auth').attr('checked')){
        $('#custom_auth_div').show()
    }else{
        $('#custom_auth_div').hide()
    }
    
    $('#cb_custom_auth').change(function(){
        if($(this).attr('checked')){
            $('#custom_auth_div').show()
        }else{
            $('#custom_auth_div').hide()
        }
    })

	function calculateDuration(startDateTime, endDateTime){
		var loadingIcon = $('#icon-loader-small');
		
		loadingIcon.show();
		$.post(baseUrl+"Schedule/calculate-duration", {startTime: startDateTime, endTime: endDateTime}, function(data){
		    $('#add_show_duration').val(JSON.parse(data));
		    loadingIcon.hide();
		});
	}
    
    var bgColorEle = $("#add_show_background_color");
    var textColorEle = $("#add_show_color");
    $('#add_show_name').bind('input', 'change', function(){
        var colorCode = stringToColor($(this).val());
        bgColorEle.val(colorCode);
        textColorEle.val(getContrastYIQ(colorCode));
    });
}

function showErrorSections() {

    if($("#schedule-show-what .errors").length > 0) {
        $("#schedule-show-what").show();
    }
    if($("#schedule-show-when .errors").length > 0) {
        $("#schedule-show-when").show();
    }
    if($("#schedule-show-who .errors").length > 0) {
        $("#schedule-show-who").show();
    }
    if($("#schedule-show-style .errors").length > 0) {
        $("#schedule-show-style").show();
    }
    if($("#add_show_rebroadcast_absolute .errors").length > 0) {
        $("#schedule-record-rebroadcast").show();
        $("#add_show_rebroadcast_absolute").show();
    }
    if($("#live-stream-override .errors").length > 0) {
        $("#live-stream-override").show();
    }
    if($("#add_show_rebroadcast_relative .errors").length > 0) {
        $("#schedule-record-rebroadcast").show();
        $("#add_show_rebroadcast_relative").show();
    }
}

$(document).ready(function() {
    setAddShowEvents($("#add-show-form"));
});

//Alert the error and reload the page
//this function is used to resolve concurrency issue
function alertShowErrorAndReload(){
    alert($.i18n._("The show instance doesn't exist anymore!"));
    window.location.reload();
}
