<template>
	<view class="view_body">
		<u-navbar :is-back="false"
				  title='班级'
				  title-color="#2E4975"
				  :border-bottom="false"
				  :background="bgc"
				  id="navbar">
		</u-navbar>
		<view class="nocont"
			  v-show="shownocont">
			<view class="nocont_tip">
				<view class="nocont_tip_img">
					<image src="https://file.langsi.online/yasiimg/web/static/uVcz1RzZi6US2NKa0ssl"></image>
				</view>

				<view class="nocont_tip_txt">暂无学生，快去添加吧！</view>
			</view>
			<view class="nocont_button">
				添加学生
			</view>

		</view>

		<view class="student_page"
			  v-show="shownocont == false">
			<view class="student_page_top">
				<view class="search_box">
					<view class="check_search">
						{{ checkindex == 1 ? '班级' : '学生' }}
						<!-- <view class="iconfont icon-arow_down"></view> -->
					</view>
					<view class="serchbox">
						<view class="serchimg">
							<image src="https://file.langsi.online/yasiimg/web/static/uVMACkynkipOxuTYDqm0"
								   mode="scaleToFill">

							</image>
						</view>
						<input type="text"
      						 v-model="searchKeyword"
      						 placeholder="搜索相关内容..."
      						 class="input"
      						 placeholder-style="color:#C7CDD3"
      						 @input="search()">
					</view>
				</view>
				<view class="info_box">
					<view class="info_cont"
						  style="width:80rpx ;">
						<view class="info_cont_top">
							学生人数
						</view>
						<view class="info_cont_bot">
							{{totalLastNum}}
						</view>
					</view>
					<view class="info_cont">
						<view class="info_cont_top">
							平均成绩/分
						</view>
						<view class="info_cont_bot">
							{{totalAvgScore }}
						</view>
					</view>
					<view class="info_cont">
						<view class="info_cont_top">
							作业完成度
						</view>
						<view class="info_cont_bot">
							{{totalWorkCompletionDegre}}%
						</view>
					</view>
				</view>
				<view class="chekbox">
					<view class="check"
						  :class="checkindex == 1 ? 'act1' : ''"
						  @click="checkindex = 1">
						班级
					</view>
					<view class="check"
						  :class="checkindex == 0 ? 'act1' : ''"
						  @click="checkindex = 0">
						学生
					</view>

					<view class="add">
						+ 添加
					</view>
				</view>

			</view>
			<view class="class_box"
				  v-if="checkindex == 1">
				<view class="class_box_top">

					<view @click="changeclass()"
						  class="class_box_top_cont">
						班级人数
						<view class="iconfont icon-arow_down"></view>
						<view class="dropdown_box"
							  v-show="classnum">
							<view class="dropdown_item"
								  :class="classnumindex == 0 ? 'act2' : ''"
								  @click="chengclassnumindex(0)">
								降序
							</view>
							<view class="dropdown_item"
								  :class="classnumindex == 1 ? 'act2' : ''"
								  @click="chengclassnumindex(1)">
								升序
							</view>

						</view>
					</view>

					<view @click="changetext()"
						  class="class_box_top_cont">
						标签文字
						<view class="iconfont icon-arow_down"></view>
						<view class="dropdown_box"
							  v-show="showtext">
							<view class="dropdown_item"
								  :class="textindex == 1 ? 'act2' : ''"
								  @click="chengetextindex(1)">
								听力
							</view>
							<view class="dropdown_item"
								  :class="textindex == 2 ? 'act2' : ''"
								  @click="chengetextindex(2)">
								阅读
							</view>
							<view class="dropdown_item"
								  :class="textindex == 3 ? 'act2' : ''"
								  @click="chengetextindex(3)">
								写作
							</view>
							<view class="dropdown_item"
								  :class="textindex == 4 ? 'act2' : ''"
								  @click="chengetextindex(4)">
								口语
							</view>
						</view>
					</view>

					<!-- 下拉框内容 -->





				</view>

				<view class="class_card"
					  v-for="(item, index) in classlist"
					  v-if="isloding == false"
					  :key="index"  @click="toclassdetal(item)">
					<view class="class_card_top">
						<view class="class_card_left">
							<image src=" https://file.langsi.online/yasiimg/web/static/udWNTRG6GulmTtgPRQ49"></image>
						</view>
						<view class="class_card_right">
							<view class="class_card_right_top"  v-html="highlightSearch(item.name)">
								<!-- {{ item.name }} -->
							</view>
							<view class="class_card_right_bot"
								  v-show="item.classify == 1">
								听力
							</view>
							<view class="class_card_right_bot"
								  v-show="item.classify == 2">
								阅读
							</view>
							<view class="class_card_right_bot"
								  v-show="item.classify == 3">
								写作
							</view>
							<view class="class_card_right_bot"
								  v-show="item.classify == 4">
								口语
							</view>
						</view>
					</view>
					<view class="class_infobox">
						<view class="class_info"
							  style="width:80rpx ;">
							<view class="class_info_top">
								班级人数
							</view>
							<view class="class_info_bot">
								{{ item.totalMembers }}
							</view>
						</view>
						<view class="class_info">
							<view class="class_info_top">
								平均成绩/分
							</view>
							<view class="class_info_bot">
								{{ item.avgScore }}
							</view>
						</view>
						<view class="class_info">
							<view class="class_info_top">
								作业完成度
							</view>
							<view class="class_info_bot">
								{{ item.workCompletionDegree }}%

							</view>
						</view>
					</view>
				</view>
				<view style="width: 100%;height: 50rpx;">

				</view>
			</view>
		</view>
		<view class="overlay"
			  v-if="false">
			<view class="addstudent"
				  v-show="false">

				<view class="close">
					<image src="https://file.langsi.online/yasiimg/web/static/uSzPsPoFgoVwcsl7pJ89"></image>
				</view>

				<view class="addstudent_tit">
					添加学生
				</view>
				<view class="addstudent_input_box">
					<view class="addstudent_input_tit">
						学员名称
					</view>
					<view class="addstudent_input">
						<input type="text"
							   placeholder="搜索相关内容..."
							   class="input"
							   placeholder-style="color:#C7CDD3;font-size: 24rpx; ">
					</view>
				</view>
				<view class="addstudent_input_box">
					<view class="addstudent_input_tit">
						学员ID
					</view>
					<view class="addstudent_input">
						<input type="text"
							   placeholder="搜索相关内容..."
							   class="input"
							   placeholder-style="color:#C7CDD3;font-size: 24rpx; ">
					</view>
				</view>
				<view class="addbtn">
					添加
				</view>
			</view>
			<view class="addtip"
				  v-show="false">
				<view class="logo">
					<image src="https://file.langsi.online/yasiimg/web/static/uxsaoHOpSUoxnX7lU3Fe"></image>
				</view>
				<view class="close">
					<image src="https://file.langsi.online/yasiimg/web/static/uSzPsPoFgoVwcsl7pJ89"></image>
				</view>
				已添加成功
			</view>
		</view>
		<indexlist v-show="checkindex == 0" />
	</view>
</template>

<script>
import indexlist from "../compoents/indexList.vue"
export default {
	components: {
		indexlist
	},
	data() {
		return {
			shownocont: false,
			bgc: {
				backgroundColor: "#F6F9FC",
			},
			checkindex: 1,
			isDropdownOpen: true,
			classlist: {},
			isloding: true,
			changeclasslist: {},
			classnum: false,
			classnumindex: -1,
			showtext: false,
			textindex: 0,
			searchKeyword: '',
			totalLastNum:'',
			totalAvgScore:'',
			totalWorkCompletionDegre:0,
		}
	},
	onLoad(option) {
		this.getclassList()
	},

	methods: {
		highlightSearch(name) {
		    // 使用正则表达式替换匹配到的 searchKeyword 为带有颜色的文字
		    if (this.searchKeyword) {
		      const regex = new RegExp(this.searchKeyword, 'gi');
		      return name.replace(regex, match => `<span style="color: #2D7CE6 ;">${match}</span>`);
		    }
		    return name;
		  },
		toclassdetal(item) {
		 
		  uni.navigateTo({
		    url: "/pages_teacher/teacher_class/class_detail?id=" + item.id
		  }).then(res => {
		   
		  }).catch(err => { 
		  
		  });
		},
		search() {
   		 // 根据关键字过滤 this.classlist
		 if(this.searchKeyword!=''){
			const filteredList = JSON.parse(JSON.stringify(this.changeclasslist)).filter(item => item.name.includes(this.searchKeyword));
  		  // 更新 this.classlist 为过滤后的列表
  		  this.classlist = filteredList;
		 }else{
			this.fuwei()
		 }
  		 
  		},
		calculatePercentage(value1, value2) {
			if (value2 === 0) {
				
				return '0%'; // 或者返回其他默认值
			}

			return ((value1 / value2) * 100).toFixed(0) + '%';
		},
		changeclass() {
			this.classnum = !this.classnum
		},
		chengclassnumindex(num) {
			if (num == this.classnumindex) {
				this.classnumindex = -1
			} else {
				this.classnumindex = num
			}
			if (this.classnumindex == 0) {
				this.classlist.sort((a, b) => b.totalMembers - a.totalMembers);
			}
			if (this.classnumindex == 1) {
				// 升序排列 classlist 数组，根据 totalMembers 属性
				this.classlist.sort((a, b) => a.totalMembers - b.totalMembers);
			}
			if (this.classnumindex == -1) {
				this.fuwei()
			}

		},
		fuwei() {
			
			this.classlist = JSON.parse(JSON.stringify(this.changeclasslist));
		},
		changetext() {
			this.showtext = !this.showtext
		},
		chengetextindex(num) {
			if (num == this.textindex) {
				this.textindex = 0
			} else {
				this.textindex = num
			}
			if (this.textindex !== 0 || this.classnumindex === 1) {
				this.classlist.sort((a, b) => {
					if (this.textindex !== 0 && a.classify === this.textindex) {
						return -1; // 将匹配的项放在前面
					}
					if (this.textindex !== 0 && b.classify === this.textindex) {
						return 1; // 将匹配的项放在前面
					}
					if (this.classnumindex === 0) {
						return b.totalMembers - a.totalMembers; // 对 totalMembers 进行降序排列
					}
					if (this.classnumindex === 1) {
						return a.totalMembers - b.totalMembers; // 对 totalMembers 进行升序排列
					}
					return 0; // 保持原有顺序
				});
			} else {
				
				this.fuwei();
			}


		},
		getclassList() {
			this.$u.get("https://api.admin-v2.langsi.online/admin-api/classroom/page").then(res => {
				
				if (res.code === 0) {
					this.classlist = res.data.list;
					this.changeclasslist = JSON.parse(JSON.stringify(this.classlist));
					this.isloding = false;
					const list = res.data.list;
					
					if (list.length > 0) {
					  // 计算 totalMembers 总和
					  const totalMembersSum = list.reduce((sum, item) => sum + item.totalMembers, 0);
					
					  // 计算 workCompletionDegree 平均值
					  const workCompletionDegreeAvg = list.reduce((sum, item) => sum + item.workCompletionDegree, 0) / list.length;
						
					  // 计算 avgScore 平均值
					  const avgScoreAvg = list.reduce((sum, item) => sum + item.avgScore, 0) / list.length;
					console.log(workCompletionDegreeAvg,'workCompletionDegreeworkCompletionDegree');
					  // 将计算结果赋值给对应的变量
					  this.totalLastNum = totalMembersSum;
					  this.totalWorkCompletionDegre = workCompletionDegreeAvg;
					  this.totalAvgScore = avgScoreAvg;
					  // console.log(this.totalworkCompletionDegree,'totalworkCompletionDegreetotalworkCompletionDegree');
					} else {
					  // 处理空数组的情况，例如设置默认值或者给出提示
					  this.totalLastNum = 0;
					  this.totalWorkCompletionDegre = 0;
					  this.totalAvgScore = 0;
					}
				}
			});
		},
		getstuList() {
			this.$u.get("https://api.admin-v2.langsi.online/admin-api/classroom/page").then(res => {
			

				if (res.code == 0) {
					this.classlist = res.data.list
					this.isloding = false

				}
			})
		}
	}
}
</script>

<style lang="scss" >
.view_body {
	width: 750rpx;
	background: #F6F9FC;

	.nocont {
		margin-top: 340rpx;
		margin-left: 216rpx;

		.nocont_tip {
			margin-left: 28rpx;
			width: 264rpx;
			display: flex;
			flex-wrap: wrap;
			justify-content: center;

			.nocont_tip_img {
				width: 213.36rpx;
				height: 220rpx;
			}

			.nocont_tip_txt {
				font-size: 24rpx;
				font-family: Microsoft YaHei, Microsoft YaHei;
				font-weight: 400;
				color: #0E3B77
			}
		}

		.nocont_button {
			margin-top: 100rpx;
			display: flex;
			flex-wrap: wrap;
			justify-content: center;
			align-items: center;
			width: 320rpx;
			height: 80rpx;
			background: #2E7CE6;
			border-radius: 20rpx 20rpx 20rpx 20rpx;
			font-size: 24rpx;
			font-family: 'PingFang', 'PingFang';
			font-weight: 800;
			color: #FFFFFF;
		}
	}

	.student_page {
		.student_page_top {
			padding: 32rpx;

			.search_box {
				width: 686rpx;
				height: 88rpx;
				background: #FFFFFF;
				border-radius: 20rpx 20rpx 20rpx 20rpx;
				display: flex;
				flex-wrap: nowrap;

				.check_search {
					display: flex;
					flex-wrap: nowrap;
					align-items: center;
					justify-content: center;
					width: 148rpx;
					height: 88rpx;
					background: #FFF2E4;
					border-radius: 20rpx 0rpx 0rpx 20rpx;
					font-size: 28rpx;
					font-family: 'PingFang', 'PingFang';
					font-weight: 500;
					color: #F39852;

					.icon-arow_down {
						margin-left: 8rpx;
						font-size: 20rpx;
					}
				}

				.serchbox {
					// padding: 0 32rpx;
					display: flex;
					flex-wrap: nowrap;
					// margin-top: 30rpx;
					align-items: center;
					justify-content: space-between;
					width: 538rpx;
					height: 88rpx;
					background: #FFFFFF;
					border-radius: 20rpx 20rpx 20rpx 20rpx;

					.serchimg {
						margin-left: 32rpx;

						width: 32rpx;
						height: 32rpx;

					}

					.input {
						// margin-left: 24rpx;
						width: 452rpx;
						height: 88rpx;
						// border-radius: 30rpx;
						// background-color: #f5f8fc;
						// display: flex;
						// justify-content: center;
						// align-items: center;
						// text-align: center;
						font-size: 28rpx;
						font-family: Source Han Sans CN, Source Han Sans CN-Light;
						font-weight: 300;
						text-align: left;
						color: #a7b9cd;
						letter-spacing: 1.2rpx;
						line-height: 36rpx;
						// padding: 0 100rpx;
						// padding-right: 135rpx;
						box-sizing: border-box;

					}
				}
			}

			.info_box {
				display: flex;
				flex-wrap: nowrap;
				align-items: center;
				justify-content: space-around;
				margin-top: 20rpx;
				width: 686rpx;
				height: 128rpx;
				background: linear-gradient(179deg, rgba(255, 237, 223, 0.65) 0%, #FFFFFF 100%);
				border-radius: 18rpx 18rpx 18rpx 18rpx;

				.info_cont {
					width: 110rpx;
					display: flex;
					justify-content: center;
					flex-wrap: wrap;

					.info_cont_top {
						font-size: 20rpx;
						font-family: 'PingFang', 'PingFang';
						font-weight: 500;
						color: rgba(7, 47, 90, 0.5);
						line-height: 24rpx;
					}

					.info_cont_bot {
						margin-top: 12rpx;
						font-size: 28rpx;
						font-family: 'PingFang', 'PingFang';
						font-weight: 800;
						color: #2D7CE6;
					}
				}
			}

			.chekbox {
				margin-top: 32rpx;
				display: flex;
				flex-wrap: nowrap;
				align-items: center;

				.check {
					margin-right: 84rpx;
					font-size: 28rpx;
					font-family: 'PingFang', 'PingFang';
					font-weight: 500;
					color: rgba(7, 47, 90, 0.6);
				}

				.act1 {
					font-size: 32rpx;
					font-family: 'PingFang', 'PingFang';
					font-weight: 800;
					color: #2D7CE6;
				}

				.add {
					margin-left: auto;
					display: flex;
					align-items: center;
					justify-content: center;
					width: 138rpx;
					height: 52rpx;
					background: #FFF2E4;
					border-radius: 26rpx 26rpx 26rpx 26rpx;

					font-size: 24rpx;
					font-family: 'PingFang', 'PingFang';
					font-weight: 500;
					color: #F18F21;
				}
			}

		}

		.class_box {
			padding: 0 32rpx;
			display: flex;
			flex-wrap: wrap;

			.class_box_top {
				width: 100%;
				display: flex;
				flex-wrap: nowrap;
				align-items: center;


				// justify-content: space-around;
				.class_box_top_cont {
					position: relative;
					margin-right: 12rpx;
					display: flex;
					flex-wrap: nowrap;
					background: #FFFFFF;
					border-radius: 20rpx 20rpx 20rpx 20rpx;
					padding: 14rpx 30rpx;
					font-size: 20rpx;
					font-family: 'PingFang', 'PingFang';
					font-weight: 500;
					color: rgba(7, 47, 90, 0.6);

					.icon-arow_down {
						margin-left: 8rpx;
						font-size: 18rpx;
					}

					.dropdown_box {
						left: 0;
						top: 100%;
						position: absolute;
						width: 160rpx;
						// height: 204rpx;
						background: #FFFFFF;
						box-shadow: 0rpx 4rpx 10rpx 0rpx rgba(0, 0, 0, 0.25);
						border-radius: 20rpx 20rpx 20rpx 20rpx;

						.dropdown_item:last-child {
							border-bottom: 0rpx solid #FFFFFF;
						}

						.dropdown_item {
							padding: 20rpx 40rpx;
							font-size: 20rpx;
							font-family: 'PingFang', 'PingFang';
							font-weight: 500;
							color: rgba(46, 73, 117, 0.6);
							border-bottom: 2rpx solid #F3F3F3;
						}

						.act2 {
							color: #2D7CE6;
						}
					}
				}





			}

			.class_card {
				margin-top: 20rpx;
				width: 686rpx;
				height: 296rpx;
				background: #FFFFFF;
				border-radius: 20rpx 20rpx 20rpx 20rpx;
				padding: 32rpx;

				.class_card_top {
					display: flex;
					flex-wrap: nowrap;
					align-items: center;

					.class_card_left {
						width: 84rpx;
						height: 84rpx;
					}

					.class_card_right {
						margin-left: 12rpx;
						display: flex;
						flex-wrap: wrap;

						.class_card_right_top {
							width: 100%;
							font-size: 32rpx;
							font-family: 'PingFang', 'PingFang';
							font-weight: bold;
							color: #072F5A;
						}

						.class_card_right_bot {
							margin-top: 8rpx;
							background: #EBF3FF;
							border-radius: 4rpx 4rpx 4rpx 4rpx;
							padding: 10rpx 20rpx;
							font-size: 20rpx;
							font-family: 'PingFang', 'PingFang';
							font-weight: 500;
							color: #2D7CE6;
						}
					}
				}

				.class_infobox {
					margin-top: 20rpx;
					display: flex;
					flex-wrap: nowrap;
					align-items: center;
					justify-content: space-around;
					width: 622rpx;
					height: 128rpx;
					background: #F9F9F9;
					border-radius: 20rpx 20rpx 20rpx 20rpx;

					.class_info {
						width: 110rpx;
						display: flex;
						flex-wrap: wrap;
						justify-content: center;

						.class_info_top {
							font-size: 20rpx;
							font-family: 'PingFang', 'PingFang';
							font-weight: 500;
							color: rgba(7, 47, 90, 0.5);
						}

						.class_info_bot {
							margin-top: 12rpx;
							font-size: 28rpx;
							font-family: 'PingFang', 'PingFang';
							font-weight: 800;
							color: #2D7CE6;
						}
					}
				}
			}
		}
	}

	.overlay {
		display: flex;
		justify-content: center;
		align-items: center;

		position: fixed;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
		background: rgba(0, 0, 0, 0.5);
		z-index: 100; // 设置遮罩层在上方

		.addstudent {
			position: relative;
			padding: 40rpx;
			width: 600rpx;
			height: 632rpx;
			background: #FFFFFF;
			border-radius: 20rpx 20rpx 20rpx 20rpx;

			.close {
				top: 20rpx;
				right: 20rpx;
				position: absolute;
				width: 20rpx;
				height: 20rpx;
			}

			.addstudent_tit {
				width: 100%;
				text-align: center;
				font-size: 36rpx;
				font-family: 'PingFang';
				font-weight: 800;
				color: #2E4975;
				line-height: 36rpx;

			}

			.addstudent_input_box {
				margin-top: 40rpx;

				.addstudent_input_tit {
					font-size: 28rpx;
					font-family: 'PingFang';
					font-weight: 500;
					color: #2E4975;
				}

				.addstudent_input {
					margin-top: 16rpx;
					width: 520rpx;
					height: 80rpx;
					background: #FFFFFF;
					border-radius: 20rpx 20rpx 20rpx 20rpx;

					border: 2rpx solid #DDE2EE;

					.input {
						// margin-left: 24rpx;
						width: 520rpx;
						height: 80rpx;
						// border-radius: 30rpx;
						// background-color: #f5f8fc;
						// display: flex;
						// justify-content: center;
						// align-items: center;
						// text-align: center;
						font-size: 28rpx;
						font-family: Source Han Sans CN, Source Han Sans CN-Light;
						font-weight: 300;
						text-align: left;
						color: #a7b9cd;
						letter-spacing: 1.2rpx;
						line-height: 36rpx;
						padding-left: 32rpx;
						box-sizing: border-box;

					}
				}
			}

			.addbtn {
				display: flex;
				align-items: center;
				justify-content: center;
				margin-top: 76rpx;
				width: 520rpx;
				height: 88rpx;
				background: #2D7CE6;
				border-radius: 20rpx 20rpx 20rpx 20rpx;

				font-size: 28rpx;
				font-family: 'PingFang';
				font-weight: 500;
				color: #FFFFFF;
			}

		}

		.addtip {
			position: relative;
			display: flex;
			align-items: center;
			justify-content: center;
			width: 440rpx;
			height: 138rpx;
			font-size: 32rpx;
			font-family: 'PingFang', 'PingFang';
			font-weight: 800;
			color: #2D7CE6;
			background: linear-gradient(180deg, #C2DCFF 0%, #FFFFFF 100%);
			border-radius: 20rpx 20rpx 20rpx 20rpx;

			.logo {
				position: absolute;
				width: 182rpx;
				height: 244rpx;
				top: -244rpx;
				left: 130rpx;
			}

			.close {
				position: absolute;
				top: 10rpx;
				right: 20rpx;

				width: 20rpx;
				height: 20rpx;
			}
		}
	}
}</style>