var courses;
chrome.storage.sync.get('savedCourses', function(data) {
	chrome.runtime.sendMessage({command: "checkConflicts"}, function(response) {
		var isConflicted = [];
			if(response.isConflict){
					var between = response.between;
					var text = "";
					for(var i = 0; i<between.length;i++){
						text+="Conflict between: "+ getSimpleName(between[i][0].coursename,between[i][0].unique) + " and "+getSimpleName(between[i][1].coursename,between[i][1].unique);
						isConflicted.push(between[i][0].unique);
						isConflicted.push(between[i][1].unique);
						if(i != between.length-1){
							text+= "<br>";
						}
					}
					$("#courseList").prepend("<p style='font-size:small; font-weight:bold; color:red; margin:5px;'>"+text+"</>");
				} 
			});
		courses = data.savedCourses;
		if(courses.length != 0){
			$("#empty").hide();
		}
		console.log(courses);
		for(var i = 0; i<courses.length;i++){
			var color;
			status = courses[i].status;
			if(status.includes("open")){
				color = "#4CAF50";
			}
			else if(status.includes("waitlisted")){
				color = "#FF9800"
			}
			else if(status.includes("closed") || status.includes("cancelled")){
				color = "#F44336";
			}
			var department = courses[i].coursename.substring(0,courses[i].coursename.search(/\d/)-2);
			var course_nbr = courses[i].coursename.substring(courses[i].coursename.search(/\d/),courses[i].coursename.indexOf(" ",courses[i].coursename.search(/\d/)));
			var profname = courses[i].profname.substring(0,1)+courses[i].profname.substring(1).toLowerCase();
			var listhtml = "<li id='"+i+"'style='padding: 0px 5px 5px 5px; overflow-y: auto;max-height:400px;'><div class='card'><div class='container' style='background:"+color+"''><h4 style='color:white; margin:5px; font-size:large;'><b>"+department + " "+course_nbr+"<span style='font-size:medium'>"+" with </span><span style='font-size:medium'>"+profname+" ("+courses[i].unique+")"+"</span></b></h4></div></div><p style='display: none;font-weight:bold;padding:10px;font-size:small;background-color:#FFCDD2;'>"+makeLine(i)+"</p></li>";
			$("#courseList").append(listhtml);
		}
});

function getSimpleName(coursename, unique){
	var department = coursename.substring(0,coursename.search(/\d/)-2);
	var course_nbr = coursename.substring(coursename.search(/\d/),coursename.indexOf(" ",coursename.search(/\d/)));
	return department+" "+course_nbr+" ("+unique+")";
}

$(document).ready(function() {
    $("#clear").click(function(){
    	clear();
	});
	$("#courseList li").click(function(){
		//makeLine($(this).attr("id"));
		if($(this).find("p").is(":hidden")){
			$(this).find("p").fadeIn(200);
			//alert("hello");
		}
		else{
			$(this).find("p").fadeOut(200);
		}
	//	window.open(courses[$(this).attr("id")].link);
	});
});

function makeLine(index){
	var datetimearr = courses[index].datetimearr;
	//converted times back
	var dtmap = new Map([]);
	for(var i = 0; i<datetimearr.length;i++){
		datetimearr[i][1][0] = moment(datetimearr[i][1][0], ["HH:mm"]).format("h:mm A");
		datetimearr[i][1][1] = moment(datetimearr[i][1][1], ["HH:mm"]).format("h:mm A");
	}
	//console.log(datetimearr[0][0]);
	for(var i = 0; i<datetimearr.length;i++){
		//console.log(datetimearr[i][0]);
		if(dtmap.has(String(datetimearr[i][1]))){
			console.log(datetimearr[i][0]);
			dtmap.set(String(datetimearr[i][1]),dtmap.get(String(datetimearr[i][1]))+datetimearr[i][0]);
		}
		else{
			console.log(datetimearr[i][0]);
			dtmap.set(String(datetimearr[i][1]),datetimearr[i][0]);
		}
	}
	var output="";
	var timearr = Array.from(dtmap.keys());
	var dayarr =  Array.from(dtmap.values());
	console.log(timearr);
	console.log(dayarr);
	for(var i = 0; i<dayarr.length;i++){
		output += "<span style='font-size:medium'>"+dayarr[i]+"</span>: <span style='float:right'>"+timearr[i].split(",")[0]+" to "+timearr[i].split(",")[1]+"</span><br>";
	}
	return output;
}


function clear(){
	chrome.storage.sync.set({savedCourses: []});
	console.log("cleared");
	$("#courseList").fadeOut(300,function(){
			$("#empty").show();

	});	
}
function update(){

}