<template>
	<!-- 听力 -->
	<view>
		<!-- 外层循环 -->
		<view v-for="(item,index) in listHearing" :key="item.id">
			<!-- 听力标题渲染 -->
			<view class="view_bages">
				<view>{{item.title}}</view>
			</view>
			<view class="substance">
				<!-- 渲染Text -->
				<text :class="{ 'active': itemActive[item.id] === TextIndex  }"
					v-for="(TextItem,TextIndex) in item.tests" :key="TextIndex"
					@click="Bages_addActive(TextIndex,item.id) ">
					{{TextItem.name}}
				</text>
			</view>
			<!-- 渲染part -->
			<view v-for="(TextItem,TextIndex) in item.tests" :key="TextIndex">
				<view v-for="(partitem,partindex) in TextItem.parts" :key="partindex"
					v-if="itemActive[item.id] === TextIndex">
					<view>
						<view class="Part1">
							<view class="imaflex" @click="icon(partitem.id)">
								<!-- part前面的图表 -->
								<view class="image">
									<image src="http://tmp/IFVuR12hLLNO034931f24322ab271b1f57fdf626bcbf.png" mode=""
										v-if="image"></image>
									<image src="http://tmp/8OOgvfEpdnT2e4e421b97006c70b30a9df99e51a6df1.png" mode=""
										v-else></image>
								</view>
								<view>{{partitem.name}}</view>
							</view>
							<!-- part的多选框 -->
							<view>
								<u-checkbox @change="checkboxChange(partitem,$event)" v-model="partitem.checked"
									shape="circle"></u-checkbox>
							</view>
						</view>
						<view class="partshow" v-if="tk==partitem.id">
							<view class="Part2" v-for="(quesitem,quesindex) in partitem.modules" :key="quesindex">
								<view class="imaflex">
									<view>{{quesitem.number}} {{quesitem.typeText}}</view>
								</view>
								<view>
									<u-checkbox @change="handleCheckboxChange(quesitem)"
										v-model="quesitem.subsets"></u-checkbox>
								</view>
							</view>
						</view>
					</view>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				listHearing: [],
				checked: [],
				subsets: [],
				itemActive: {},
				image: true,
				tk: null,
				selectwrite: [],

			}
		},
		created() {
			this.hearing()
		},
		methods: {
			updatawrite(data){
				this.selectwrite=data
				
			},
			hearing() {
				this.$u
					.get("https://api.admin-v2.langsi.online/admin-api/ielts/paper/list", {
						classify: 1,
					})
					.then((res) => {
						this.listHearing = res.data;
						let activeindex = {};
						let arr = res.data;
						for (let parper of arr) {
							let test = parper.tests[0];
							activeindex[parper.id] = 0;
						}
						this.itemActive = activeindex;
						this.updateSubsetsInListHearing()
						console.log(this.listHearing, "this.itemActivethis.itemActive");
					});
			},
			Bages_addActive(TextIndex, id) {
				this.itemActive[id] = TextIndex;
				this.$forceUpdate();
			},
			icon(id) {
				this.image = !this.image;
				this.tk = id;
				if (this.image == false) {
					this.tk = id;
				} else {
					this.tk = null;
				}
			},
			checkboxChange(partitem, e) {
				if (e.value) {
					this.listHearing.forEach((paper) => {
						paper.tests.forEach((test, testIndex) => {
							test.parts.forEach((part) => {
								if (part.id === partitem.id) {
									part.modules.forEach((quesitem, quesIndex) => {
										this.addToSelectWrite(
											quesitem,
											partitem.id,
											testIndex + 1,
											paper.title
										);
									});
								}
							});
						});
					});
				} else {
					partitem.modules.forEach((quesitem) => {
						this.removeFromSelectWrite(quesitem.id);
					});
				}
				this.$forceUpdate();
				console.log(this.selectwrite, "selectwriteselectwrite");
				console.log(this.listHearing, "this.listHearing");

				// 在这里执行额外的操作，遍历 selectwrite 中的每一项，更新 listHearing 中的 subsets
				this.updateSubsetsInListHearing();
					this.$parent.updatalisten(this.selectwrite)
			},
			handleCheckboxChange(quesitems) {
			  const existingIndex = this.selectwrite.findIndex(item => item.id === quesitems.id);
			
			  if (existingIndex !== -1) {
			    // 如果已存在，将 subsets 设为 false，并清除该项
			    this.selectwrite.splice(existingIndex, 1);
			    quesitems.subsets = false;
			  } else {
			    // 如果不存在，添加该项，并将 subsets 设为 true
			    this.listHearing.forEach((paper) => {
			      paper.tests.forEach((test, testIndex) => {
			        test.parts.forEach((part) => {
			          part.modules.forEach((quesitem, quesIndex) => {
			            if (quesitem.id == quesitems.id) {
			              this.addToSelectWrite(
			                quesitems,
			                quesitems.id, // 使用 quesitem 的 id
			                testIndex + 1, // 使用内层循环的 testIndex
			                paper.title // 使用 quesitem 的 paperTitle
			              );
			            }
			          });
			        });
			      });
			    });
			    quesitems.subsets = true;
			  }
			
			  console.log(this.selectwrite, 'selectwriteselectwrite');
			  this.updateSubsetsInListHearing()
			  	this.$parent.updatalisten(this.selectwrite)
			},



			// 在这里添加一个新的方法，用于更新 listHearing 中的 subsets
		 updateSubsetsInListHearing() {
		    this.listHearing.forEach((paper) => {
		      paper.tests.forEach((test) => {
		        test.parts.forEach((part) => {
		          part.modules.forEach((quesitem) => {
		            const selected = this.selectwrite.find((item) => {
		              return item.id === quesitem.id;
		            });
		            if (selected) {
		              quesitem.subsets = true;
		            } else {
		              quesitem.subsets = false;
		            }
		          });
		        });
		      });
		    });
		
		    // 额外的逻辑，遍历 listHearing 中的每一个 part，判断是否全部 modules 的 subsets 都为 true
		    this.listHearing.forEach((paper) => {
		      paper.tests.forEach((test) => {
		        test.parts.forEach((part) => {
		          part.checked = part.modules.every((quesitem) => quesitem.subsets);
		        });
		      });
		    });
		  },

			// 添加信息到selectwrite数组
			addToSelectWrite(quesitem, partId, testIndex, paperTitle) {
			// Split the guideText into words
			const words = quesitem.guideText.split(/\s+/);
			
			// Take the first five words excluding "Complete"
			const questionname = words.slice(0, 5).filter(word => word !== "Complete").join(' ');
			
			const item = {
				id: quesitem.id,
				paperId: quesitem.paperId,
				papername: paperTitle,
				partId: partId,
				testId: quesitem.testId,
				testname: `Test ${testIndex}`,
				typeName: quesitem.typeText,
				questionname: questionname,
			};
			
			this.selectwrite.push(item);
			},

			removeFromSelectWrite(itemId) {
				const index = this.selectwrite.findIndex((item) => item.id === itemId);
				if (index !== -1) {
					this.selectwrite.splice(index, 1);
				}
			},
		},
	}
</script>

<style lang="scss" scoped>
	.view_bages {
		font-size: 40rpx;
		font-weight: 400;
		color: #2E4975;
	}

	.substance {
		margin: 20rpx 0;

		text {
			padding: 10rpx 30rpx;
			margin-right: 20rpx;
			background: #FFFFFF;
			border-radius: 12rpx 12rpx 12rpx 12rpx;
		}

	}




	.Part1 {
		display: flex;
		justify-content: space-between;
		padding: 24rpx;
		background: #FFFFFF;
		border-radius: 20rpx 20rpx 20rpx 20rpx;
		margin-top: 30rpx;
	}

	.Part2 {
		display: flex;
		justify-content: space-between;
		padding: 24rpx 0;
		border-bottom: 2rpx solid #F2F2F2;
	}

	.partshow {
		background: #FFFFFF;
		border-radius: 20rpx 20rpx 20rpx 20rpx;
		margin-top: 15rpx;
		padding: 15rpx 30rpx;
	}

	.substance .active {
		background: #2D7CE6;
		color: #fff;
	}

	.imaflex {
		display: flex;
	}

	.image {
		width: 20rpx;
		height: 20rpx;
		margin-right: 10rpx;
	}
</style>