var questionNUm = 0;
/*数字转汉字数字*/
var chnNumChar = [ "零", "一", "二", "三", "四", "五", "六", "七", "八", "九" ];
var chnUnitSection = [ "", "万", "亿", "万亿", "亿亿" ];
var chnUnitChar = [ "", "十", "百", "千" ];
/* 快速创建答案列表 */
var score = 0;
var total_score = 0;
var answerLen = 0;


$(function() {
	

	function creat(str_ans, a_num, fraction) {
		// $(".section").remove();
		answer_index_b = $(".section").length + 1;
		/*
		 * $(".content").append('<div class="section section-1 single"
		 * data-fraction="'+fraction+'" data-score=""> <div class="title"> <h3><span
		 * class="que_num">一.</span><span class="que_name">单选</span></h3>
		 * <input type="button" class="btn btn-danger pull-right remove"
		 * name="remove" value="删除" /> </div> <div class="question_list"></div></div>')
		 */
		var str = str_ans.split('');
		console.log(str);
		for (i = 0; i < str.length; i++) {
			if (str[i] == " ") {
				str.splice(i, 1);
				i = i - 1;
			}
		}
		q_num = str.length;
		$(".content").append('<div class="section section-'	+ answer_index_b+ ' single" data-fraction="'+ fraction+ '" data-score="'
								+ (q_num * fraction) + '" style="margin-top:80px;"><div class="title"><h3>Total marks of part '	+ answer_index_b+ '(single choice) :'
								+ (q_num * fraction) 
								+ ' <!--<span>请在试题选项上点击，亮色为该试题的正确答案&nbsp; </span> --></h3> </div><div class="question_list"></div></div>');
		for (var i = 0; i < q_num; i++) {
			str_temp = str[i];
			str_temp = str_temp.toUpperCase()
			code = str_temp.charCodeAt();
			on_index = code - 65;
			questionNUm++;
			if (code < (65 + a_num)) {
				console.log(str_temp);
				$(".section-" + answer_index_b + " .question_list").append(
						'<div class="question question' + (questionNUm)
								+ '"><span>' + (questionNUm)
								+ '.</span><ul></ul></div>');
				for (var j = 0; j < a_num; j++) {
					option = String.fromCharCode(0x41 + j);
					if (on_index == j) {
						console.log(on_index + "---" + j);
						$(".question" + (questionNUm) + ' ul').append(
								'<li class="btn btn-default on">' + option
										+ '</li>');
					} else
						$(".question" + (questionNUm) + ' ul').append(
								'<li class="btn btn-default">' + option
										+ '</li>');
				}
			} else {
				alert("Wrong answer of Question " + (i + 1) + ":" + String.fromCharCode(code)
						+ ", exceed option number");
				// return;
			}
		}
		$(".section-" + answer_index_b).attr("data-score",
				q_num * fraction);
		total_score += q_num * fraction;
		$("#score_all").text(total_score);
	}

	/***************************************************************************
	 * 1.单选题 2.完形填空 3.阅读理解 4.判断题 5.多选题
	 **************************************************************************/

	function addQuestion(type, a_num, index_s_2, index_e_2, fraction2) {
		console.log(type);
		answer_index_b = $(".section").length + 1;
		var question_num = SectionToChinese($(".section").length + 1);
		switch (type) {
		case 1: // 单选题
			// alert(typeof(index_s_2));
			$(".content")
					.append(
							'<div class="section section-'
									+ answer_index_b
									+ ' single" data-fraction="'
									+ fraction2
									+ '" data-score=""> <div class="title"> <h3><span class="que_num">'
									+ question_num
									+ '.</span>'
									+ '<span class="que_name">单选</span></h3> <input type="button" class="btn btn-danger pull-right remove" name="remove" value="删除" /> </div> <div class="question_list"></div></div>');
			for (i = index_s_2; i <= index_e_2; i++) {
				$(".section-" + answer_index_b + " .question_list").append(
						'<div class="question question' + i + '"><span>' + i
								+ '.</span><ul></ul></div>');
				for (var j = 0; j < a_num; j++) {
					option = String.fromCharCode(0x41 + j);
					$(".section-" + answer_index_b + " .question" + i + ' ul')
							.append(
									'<li class="btn btn-default">' + option
											+ '</li>');
				}
			}
			break;
		case 2: // 完形填空
			$(".content")
					.append(
							'<div class="section section-'
									+ answer_index_b
									+ ' single" data-fraction="'
									+ fraction2
									+ '" data-score=""> <div class="title"> <h3><span class="que_num">'
									+ question_num
									+ '.</span><span class="que_name">完形填空</span></h3> <input type="button" class="btn btn-danger pull-right remove" name="remove" value="删除" /> </div> <div class="question_list"></div></div>');
			for (var i = index_s_2; i <= index_e_2; i++) {
				$(".section-" + answer_index_b + " .question_list").append(
						'<div class="question question' + i + '"><span>' + i
								+ '.</span><ul></ul></div>');
				for (var j = 0; j < a_num; j++) {
					option = String.fromCharCode(0x41 + j);
					$(".section-" + answer_index_b + " .question" + i + ' ul')
							.append(
									'<li class="btn btn-default">' + option
											+ '</li>');
				}
			}
			break;
		case 3: // 阅读理解
			$(".content")
					.append(
							'<div class="section section-'
									+ answer_index_b
									+ ' single" data-fraction="'
									+ fraction2
									+ '" data-score=""> <div class="title"> <h3><span class="que_num">'
									+ question_num
									+ '.</span><span class="que_name">阅读理解</span></h3> <input type="button" class="btn btn-danger pull-right remove" name="remove" value="删除" /> </div> <div class="question_list"></div></div>');
			for (var i = index_s_2; i <= index_e_2; i++) {
				$(".section-" + answer_index_b + " .question_list").append(
						'<div class="question question' + i + '"><span>' + i
								+ '.</span><ul></ul></div>');
				for (var j = 0; j < a_num; j++) {
					option = String.fromCharCode(0x41 + j);
					$(".section-" + answer_index_b + " .question" + i + ' ul')
							.append(
									'<li class="btn btn-default">' + option
											+ '</li>');
				}
			}
			break;
		case 4: // 判断题
			$(".content")
					.append(
							'<div class="section section-'
									+ answer_index_b
									+ ' single" data-fraction="'
									+ fraction2
									+ '" data-score=""> <div class="title"> <h3><span class="que_num">'
									+ question_num
									+ '.</span><span class="que_name">判断题</span></h3> <input type="button" class="btn btn-danger pull-right remove" name="remove" value="删除" /> </div> <div class="question_list"></div></div>');
			for (var i = index_s_2; i <= index_e_2; i++) {
				$(".section-" + answer_index_b + " .question_list").append(
						'<div class="question question' + i + '"><span>' + i
								+ '.</span><ul></ul></div>');
				for (var j = 0; j < a_num; j++) {
					if (j % 2 == 0)
						option = "√";
					else
						option = "×";
					$(".section-" + answer_index_b + " .question" + i + ' ul')
							.append(
									'<li class="btn btn-default">' + option
											+ '</li>');
				}
			}
			break;
		/*
		 * case 5: //多选题 $(".content").append('<div class="section
		 * section-'+answer_index_b+' check" data-fraction="'+fraction2+'"
		 * data-score=""> <div class="title"> <h3><span
		 * class="que_num">'+question_num+'.</span><span class="que_name">多选题</span></h3>
		 * <input type="button" class="btn btn-danger pull-right remove"
		 * name="remove" value="删除" /> </div> <div class="question_list"></div></div>');
		 * for(var i=index_s_2;i<=index_e_2;i++){
		 * $(".section-"+answer_index_b+" .question_list").append('<div
		 * class="question question'+i+'"><span>'+i+'.</span><ul></ul></div>');
		 * for(var j=0;j<a_num;j++){ option=String.fromCharCode(0x41+j);
		 * $(".section-"+answer_index_b+" .question"+i+' ul').append('<li class="btn btn-default">'+option+'</li>'); } }
		 */
		case 5: // 多选题
		// $(".content").html("");
			$(".content")
					.append(
							'<div class="section section-'
									+ answer_index_b
									+ ' check" data-fraction="'
									+ fraction2
									+ '" data-score="'
									+ ((index_e_2 - index_s_2 + 1) * fraction2)
									+ '"> <div class="title"><h3>Total marks of part '
									+ answer_index_b
									+ '(multiple choice) '
									+ ((index_e_2 - index_s_2 + 1) * fraction2)
									+ '<!--<span>请在试题选项上点击，亮色为该试题的正确答案&nbsp; </span>--></h3> </div> <div class="question_list"></div></div>');
			for (var i = index_s_2; i <= index_e_2; i++) {
				questionNUm++;
				$(".section-" + answer_index_b + " .question_list").append(
						'<div class="question question' + questionNUm
								+ '"><span>' + questionNUm
								+ '.</span><ul></ul></div>');
				for (var j = 0; j < a_num; j++) {
					option = String.fromCharCode(0x41 + j);
					$(
							".section-" + answer_index_b + " .question"
									+ questionNUm + ' ul').append(
							'<li class="btn btn-default">' + option + '</li>');
				}
			}
			total_score += ((index_e_2 - index_s_2 + 1) * fraction2);
			$("#score_all").text(total_score);
			break;
		}
		// $(".section-"+answer_index_b).attr("data-score",$(".section-"+answer_index_b).find(".question").length*fraction2);
		$(".section0").attr("data-score",
				$(".section0").find(".question").length * fraction2);
	}

	$(document).on('click', '.remove', function() { // 删除按钮
		$(this).parent().parent(".section").remove();
	})

	$("#fast_submit").click(function() { // 点击确定，创建答案列表
	// $("#addQuestion").attr("disabled","disabled");
		var answer = $("#answer").val();
		var num_ans = $("#num_ans").val();
		var fraction = $("#fraction").val();
		if (answer == '') {
			alert("Please input answer of question");
			return;
		} else if (fraction == '') {
			alert("Pleae input score of question");
			return;
		}
		var frac = parseFloat(fraction);
		if (frac > 0) {
			// score += parseInt(fraction)*answer.split(",").length;
			creat(answer, num_ans, fraction);
			$('.fast').modal('hide');
		} else {
			alert("Please input correct score");
			return;
		}
	})

	/* 添加试题的确定按钮 */
	$("#addQuestion_submit").click(function() {
		// $("#fast").attr("disabled","disabled");
		var type_2 = 5;// parseInt($("#type").val())
		var index_s_2 = 1;// parseInt($("#index_s_2").val())
		var index_e_2 = parseInt($("#index_s_2").val());
		// var answer_2=$("#answer_2").val();
		var num_ans_2 = $("#num_ans_2").val();
		var fraction2 = parseFloat($("#fraction2").val());
		if (isNaN(index_s_2)) {
			alert("Please input question start number");
			return;
		} else if (isNaN(index_e_2)) {
			alert("Please input number of questions");// alert("请输入题目结束序号");
			return;
		} else if (isNaN(fraction2)) {
			alert("Please input score of question");
			return;
		}
		var iindex_e_2 = parseInt(index_e_2);
		if (iindex_e_2 < 1 || iindex_e_2 > 100) {
			alert("Illigal number of question");
			return;
		}
		// console.log(typeof(type_2));
		addQuestion(type_2, num_ans_2, index_s_2, index_e_2, fraction2);
		$('.addQuestion').modal('hide');
	})
	$("#type").change(function() {
		if ($("#type").val() == 4) {
			$("#num_ans_2").val(2);
			$("#num_ans_2").attr("disabled", "disabled");
		} else {
			$("#num_ans_2").removeAttr("disabled");
			$("#num_ans_2").val(4);

		}
	})
	/* 更改考试时长 */
	$("#time_submit").click(function() {
		var test_time = $("#enter_time").val();
		if (test_time == '') {
			alert("Please input exam time");
			return;
		}
		$("#time").html(test_time);
		$('.test_time').modal('hide');
	})
	/* 更改单选答案 */
	$(document).on('click', '.single li', function() {
		$(this).siblings().removeClass("on");
		$(this).addClass("on");
	})
	/* 更改多选答案 */
	$(document).on('click', '.check li', function() {
		// $(this).siblings().removeClass("on");
		if ($(this).hasClass('on')) {
			$(this).removeClass("on");
		} else {
			$(this).addClass("on");
		}
	})
	/* 提交保存数据 */
	$("#save").click(function() {
						var url = URL;

						var data = {
							title : $(".header_box h1").text(),
							exam_time : parseInt($("#time").text()),
							paper_type : testData.paper_type,
							subject_id : testData.subject_id,
							grade_id : testData.grade_id,
							user_id : testData.user_id,
							school_id : testData.school_id,
							score : total_score,
							questions : []
						}

						if ($(".section").length > 0) {
							var rank = 0
							for (i = 0; i < $(".section").length; i++) {
								// rank++;
								data.questions[i] = {
									chapter_id : "0",
									problem_type_id : "0",
									knowledge_id : "0",
									// content:
									// $(".section").eq(i).find(".que_name").text(),
									option_num : "",
									option_content : "",
									answer : "",
									difficulty : "",
									analysis : "",
									question_from : "",
									score : parseFloat($(".section").eq(i)
											.attr("data-score")),
									part_score : "",
									remark : "",
									rank : rank,
									no_name : $(".section").eq(i).find(
											".que_num").text(),
									questions : []
								}
								for (j = 0; j < $(".section").eq(i).find(
										".question_list").children(".question").length; j++) {
									rank++;
									var on_num = $(".section").eq(i).find(
											".question").eq(j).find(".on").length;
									var answer = "";
									for (k = 0; k < on_num; k++) {
										answer += $(".section").eq(i).find(
												".question").eq(j).find(".on")
												.eq(k).text();
										// console.log(answer);
									}
									if (answer == '') {
										alert("Some question answers not edited yet。");
										return;
									}
									data.questions[i].questions[j] = {
										chapter_id : "0",
										problem_type_id : "0",
										knowledge_id : "0",
										content : "",
										option_num : $(".section").eq(i).find(
												".question").eq(j).find("li").length,
										option_content : "",
										answer : answer,
										difficulty : "0",
										analysis : "",
										question_from : "1",
										score : parseFloat($(".section").eq(i)
												.attr("data-fraction")),
										part_score : "0",
										remark : "",
										rank : rank,
										no_name : rank,
									}
								}
							}
						}

						if (data.questions.length > 0) {
							data = JSON.stringify(data);
							dataJson = {
								"json" : data
							};
							console.log(data);
							ajax_submit(url, dataJson);
						} else
							alert("Please add questions");
					});

	/* ajax封装函数 */
	function ajax_submit(url, data) {
		$(".loading").css("display", "block");
		console.log(data);
		$.ajax({
			url : url,
			type : "POST",
			data : data,
			dataType : "json",
			contentType : "application/x-www-form-urlencoded; charset=utf-8",
			success : function(data) {
				$(".loading").css("display", "none");
				if(testData.paper_type == '1'){
					window.location.href = JUMP_URL + "?a=1&defaulturl=../paper/list2.do";
				}else{
					window.location.href = JUMP_URL + "?a=1&defaulturl=../paper/list4.do?school_id=" + testData.school_id ;
				}
			}
		})
	}
	function fastSort(array, head, tail) {
		// 考虑到给每个分区操作的时候都是在原有的数组中进行操作的，所以这里head,tail来确定分片的位置
		/* 生成随机项 */
		var randomnum = parseInt((head + tail) / 2);
		var random = array[randomnum];
		/* 将小于random的项放置在其左边 策略就是通过一个临时的数组来储存分好区的结果，再到原数组中替换 */
		var arrayTemp = [];
		var unshiftHead = 0;
		for (var i = head; i <= tail; i++) {
			if (parseInt(array[i].rank) < parseInt(random.rank)) {
				arrayTemp.unshift(array[i]);
				unshiftHead++;
			} else if (parseInt(array[i].rank) > parseInt(random.rank)) {
				arrayTemp.push(array[i]);
			}
			/* 当它等于的时候放哪，这里我想选择放到队列的前面，也就是从unshift后的第一个位置放置 */
			if (parseInt(array[i].rank) === parseInt(random.rank)) {
				arrayTemp.splice(unshiftHead, 0, array[i]);
			}
		}
		/* 将对应项覆盖原来的记录 */
		for (var j = head, u = 0; j <= tail; j++, u++) {
			array.splice(j, 1, arrayTemp[u]);
		}
		/* 寻找中间项所在的index */
		var nowIndex = array.indexOf(random);

		/* 设置出口，当要放进去的片段只有2项的时候就可以收工了 */
		if (arrayTemp.length <= 2) {
			return;
		}
		/* 递归，同时应用其左右两个区域 */
		fastSort(array, head, nowIndex);
		fastSort(array, nowIndex + 1, tail);
	}
	function creatHtml(data) {
		console.log(data);
		$(".header_box h1").html(data.title);
		$("#time").html(data.exam_time);
		if(data.score != null && data.score > 0 && data.score != ''){
			$("#score_all").html(data.score);
		}

		if (data.questions.length > 0) {
			$(".time").removeAttr("data-target");
			$(".remove").remove();
			$(".btn_box").remove();
		}

		for (var i = 0; i < data.questions.length; i++) {
			if (data.questions[i].questions) {
				$(".content")
						.append(
								'<div class="section section-'
										+ i
										+ '" data-fraction="'
										+ data.questions[i].score
										+ '" style="margin-top:80px;"> <h3><span class="que_num">'
										+ 'Total marks of part '
										+ (i + 1)
										+ ":"
										+ data.questions[i].sug_score
										+ '</span>'
										+ '<span class="que_name">'
										+ data.questions[i].content
										+ '</span></h3><!-- <input type="button" class="btn btn-danger pull-right remove" name="remove" value="删除" /> --> <div class="question_list"></div></div>');
			} else {
				if (i == 0) {
					$(".content")
							.append(
									'<div class="section section0"> <div class="question_list" style="margin-top:80px"></div></div>');
				}
				$(".section0").find(".question_list").append(
						'<div class="question question' + (i + 1) + '"><span>'
								+ (++questionNUm) + '.</span><ul></ul></div>');
				for (var k = 0; k < parseInt(data.questions[i].option_num); k++) {
					str_temp = data.questions[i].answer;
					$(".section0").find(".question" + (i + 1) + ' ul').append(
							'<li class="btn btn-default">'
									+ String.fromCharCode(0x41 + k) + '</li>');
					for (var l = 0; l < str_temp.length; l++) {
						str_temp_arry = str_temp.split('');
						code = str_temp_arry[l].charCodeAt();
						on_index = code - 65;
						if (on_index == k) {
							$(".section0").find(
									".question" + (i + 1) + ' ul li').eq(
									on_index).attr("class",
									"btn btn-default on");
						}
					}
				}
			}

			if (data.questions[i].questions) {
				for (var j = 0; j < data.questions[i].questions.length; j++) {
					$(".section-" + i).find(".question_list").append(
							'<div class="question question' + (j + 1)
									+ '"><span>' + (++questionNUm)
									+ '.</span><ul></ul></div>');
					if ($(".section-" + i).find(".que_name").text() == "判断题") {
						for (var k = 0; k < parseInt(data.questions[i].questions[j].option_num); k++) {
							str_temp = data.questions[i].questions[j].answer;
							if (k % 2 == 0) {
								$(".section-" + i).find(
										".question" + (j + 1) + ' ul').append(
										'<li class="btn btn-default">√</li>');
							} else if (k % 2 == 1) {
								$(".section-" + i).find(
										".question" + (j + 1) + ' ul').append(
										'<li class="btn btn-default">×</li>');
							}

							if (str_temp == "√")
								$(".section-" + i).find(
										".question" + (j + 1) + ' ul li').eq(0)
										.attr("class", "btn btn-default on");
							else
								$(".section-" + i).find(
										".question" + (j + 1) + ' ul li').eq(1)
										.attr("class", "btn btn-default on");
						}
					} else {
						for (var k = 0; k < parseInt(data.questions[i].questions[j].option_num); k++) {
							str_temp = data.questions[i].questions[j].answer;
							$(".section-" + i).find(
									".question" + (j + 1) + ' ul').append(
									'<li class="btn btn-default">'
											+ String.fromCharCode(0x41 + k)
											+ '</li>');
							for (var l = 0; l < str_temp.length; l++) {
								str_temp_arry = str_temp.split('');
								code = str_temp_arry[l].charCodeAt();
								on_index = code - 65;
								if (on_index == k) {
									$(".section-" + i).find(
											".question" + (j + 1) + ' ul li')
											.eq(on_index).attr("class",
													"btn btn-default on");
								}
							}
						}
					}
				}
			}
		}
	}

	
	/*快速建题中，每输入五个答案就加一个空格*/
	$("#answer").on("input propertychange", function(event) {
		var answerStr = "";
		answerStr = $("#answer").val();
		var result = "";
		if (answerStr.length > 5) {
			answerStr = answerStr.replace(new RegExp(" ", "gm"), "");
			for (var i = 0; i < answerStr.length; i++) {
				result += answerStr[i];
				if (i % 5 == 4 && i != answerStr.length - 1) {
					result += " ";
				}
			}
		} else {
			result = answerStr;
		}
		$("#answer").val(result);
		if (answerStr.length > 0) {
			$(".tips").text("Total number of questions " + answerStr.length + " ");
		} else {
			$(".tips").text("");
		}
	})

	

	function SectionToChinese(section) {
		var strIns = '', chnStr = '';
		var unitPos = 0;
		var zero = true;
		while (section > 0) {
			var v = section % 10;
			if (v === 0) {
				if (!zero) {
					zero = true;
					chnStr = chnNumChar[v] + chnStr;
				}
			} else {
				zero = false;
				strIns = chnNumChar[v];
				strIns += chnUnitChar[unitPos];
				chnStr = strIns + chnStr;
			}
			unitPos++;
			section = Math.floor(section / 10);
		}
		return chnStr;
	}

	
	if (template != null && template.length > 0) {
		
			$("#addQuestion").attr("disabled", "disabled");
			$("#fast").attr("disabled", "disabled");
			for (var i = 0; i < template.length; i++) {
				if (template[i].type == 1) {
					var answer = "";
					for (var j = 0; j < template[i].questionNum; j++) {
						answer += "1";
					}
					creat(answer, template[i].optionNum, template[i].score);
				}
				if (template[i].type == 2) {
					addQuestion(5, template[i].optionNum, 1,
							template[i].questionNum, template[i].score);
				}
			}
			if(testData != null){
				$(".header_box h1").html(testData.title);
				$("#time").html(testData.exam_time);
				if(testData.score != null && testData.score > 0 && testData.score != ''){
					$("#score_all").html(testData.score);
				}
			}
		
	}else if (testData != null && testData.questions != null
			&& testData.questions.length > 0) {
		fastSort(testData.questions, 0, testData.questions.length - 1);
		for (var i = 0; i < testData.questions.length; i++) {

			if (testData.questions[0].questions
					&& testData.questions[0].questions.length > 1) {
				fastSort(testData.questions[i].questions, 0,
						testData.questions[i].questions.length - 1);
			}
		}
		creatHtml(testData);
	}else{
		if(testData != null){
			$(".header_box h1").html(testData.title);
			$("#time").html(testData.exam_time);
			if(testData.score != null && testData.score > 0 && testData.score != ''){
				$("#score_all").html(testData.score);
			}
		}
	}
})