<template>
  <view style="margin-top: 100px;">
    <view class="flex ai-c jc-c">
      <view class="flex type_box jc-sb ai-c">
				<view class="type_item" v-for="(item,index) of tabsList" :key="index" :class="tCurrent==item.value?'checked':'unchecked'" @tap="sectionChange(item.value)">{{item.label}}</view>
      </view>
    </view>
    <swiper class="swiper mt20" :current="swiperIndex" :duration="duration" :autoplay="false" :disable-programmatic-animation="true"	@change="onChange" @animationfinish="onAnimationfinish" @touchend="touchEnd" >
      <swiper-item v-for="(quesItem,quesIndex) in swiperList" :key="quesIndex">
        <scroll-view scroll-y="true" class="swiper-scroll">
          <view>
            <view class="m14lr">
              <text class="tag_box">{{quesItem.questionTypeDesc}}</text>
              <text class="fs18">{{quesItem.questionDesc}}</text>
            </view>
            <view class="flex m14lr ai-c mt20" v-for="(item,index) in quesItem.optionList"
                  :key="item.op" @tap="answerQues(item.op,index)">
              <template
                  v-if="quesItem.clickAnswer&&item.op===quesItem.rightOp">
                <u-icon class="mr15" name="checkmark-circle-fill" color="#05C341" size="30"></u-icon>
              </template>
              <template
                  v-else-if="quesItem.clickAnswer===item.op&&item.op!==quesItem.rightAnswer">
                <u-icon class="mr15" name="close-circle-fill" color="red" size="30"></u-icon>
              </template>
              <template v-else-if="!item.chooseOption">
                <view class="option_item">{{item.op}}</view>
              </template>
              <text class="fs18">{{item.opDesc}}</text>
            </view>
            <view class="m14lr mt30"
                  v-if="quesItem.clickAnswer&&quesItem.clickAnswer!==quesItem.rightOp || tCurrent===1">
              <view class="answer_box">
                <text class="fs18 fw600 cor-000">答案:{{quesItem.rightOp}}</text>
                <view class="fs18 cor-000" style="text-indent:2em;"> 这里是相关解释文字，这里是相关解释文字相关解释文字</view>
              </view>
            </view>
          </view>
        </scroll-view>
      </swiper-item>
    </swiper>
		<view class="wp100 flex jc-sb ai-c p14 bc-fff" style="position: fixed;bottom: 0;left: 0;">
			<view style="width: 220rpx;">
				<button v-if="type==='practice'" class="btn">四步学科一</button>
				<view v-else class="btn" style="text-align: center;">
					<u-count-down :time="1 * 60 * 60 * 1000" format="HH:mm:ss"></u-count-down>
					<text>交卷</text>
				</view>
			</view>
			<view class="text-center flex jc-c ai-c" style="flex-direction: column;" @tap="toCollect">
				<u-icon name="star-fill" v-if="questionList[topicIndex].isCollect" color="rgb(249,236,141)" size="24"></u-icon>
				<u-icon name="star" v-else size="24"></u-icon>
				<text class="cor-666">{{questionList[topicIndex].isCollect?'已收藏':'收藏'}}</text>
			</view>
			<view class="text-center">
				<view style="color: #00B74F;">{{rightList.length}}</view>
				<text class="cor-666">答对</text>
			</view>
			<view class="text-center">
				<view style="color: #FF6E02;">{{wrongList.length}}</view>
				<text class="cor-666">答错</text>
			</view>
			<view class="text-center" @tap="popupShow=!popupShow">
				<view><text class="cor-333">{{topicIndex+1}}</text><text style="color:#999;">/{{questionList.length}}</text></view>
				<text class="cor-666">题板</text>
			</view>
		</view>
    <u-modal :show="tipShow">
			<view class="relative wp100">
				<view class="text-center">
				<text>{{title}}</text>
				<view class="mt20">{{content}}</view>
				</view>
				<view style="position: absolute;right:0px;top:0" @tap="cancel">
					<u-icon name="close-circle-fill" color="rgb(204,204,204)" size="24"></u-icon>
				</view>
			</view>
      <template #confirmButton>
        <view class="p10" >
          <u-button :customStyle="{width:'100%',height:'68rpx',borderRadius:'34rpx',color:'#fff',backgroundColor:'#05C341'}" @click="toResult">查看练题结果</u-button>
        </view>
      </template>
    </u-modal>
		<u-popup :show="popupShow" mode="bottom" :closeOnClickOverlay="true" @close="popupShow=false">
			<view>
				<view class="wp100 flex jc-sb p14 bc-fff">
					<view style="width: 220rpx;">
						<button v-if="type==='practice'" class="btn">四步学科一</button>
						<view v-else class="btn" style="text-align: center;">
							<u-count-down :time="1 * 60 * 60 * 1000" format="HH:mm:ss"></u-count-down>
							<text>交卷</text>
						</view>
					</view>
					<view class="text-center flex jc-c ai-c" style="flex-direction: column;" @tap="toCollect">
						<u-icon name="star-fill" v-if="questionList[topicIndex].isCollect" color="rgb(249,236,141)" size="24"></u-icon>
						<u-icon name="star" v-else size="24"></u-icon>
						<text class="cor-666">{{questionList[topicIndex].isCollect?'已收藏':'收藏'}}</text>
					</view>
					<view class="text-center">
						<view style="color: #00B74F;">{{rightList.length}}</view>
						<text class="cor-666">答对</text>
					</view>
					<view class="text-center">
						<view style="color: #FF6E02;">{{wrongList.length}}</view>
						<text class="cor-666">答错</text>
					</view>
					<view class="text-center" @tap="popupShow=!popupShow">
						<view><text class="cor-333">{{topicIndex+1}}</text><text style="color:#999;">/{{questionList.length}}</text></view>
						<text class="cor-666">题板</text>
					</view>
				</view>
				<view class="flex ai-c jc-sb p14" style="flex-wrap: wrap;max-height: 400px;overflow-y: scroll;">
					<view v-for="(item,index) of questionList" :key="index" style="width:20%;" class="flex ai-c jc-c" @tap="chooseQueston(index)">
						<view class="tCircle mb10" :class="{
									'active':index == topicIndex,
									'success':rightList.includes(item.questionId),
									'error':wrongList.includes(item.questionId)
								}">
							{{index+1}}
						</view>
					</view>
				</view>
			</view>
		</u-popup>
  </view>
</template>

<script>
export default {
	props:{
		tabsList:{
			type:Array
		},
		type:{
			type:String,
			default:'practice'
		}
	},
  data() {
    return {
			popupShow:false,
      content:'太棒啦，已答完最后一题~',
      tipShow:false,
      title:'提示',
      tCurrent:0,
			index:0,
			qIndex:0,
			rightList:[],
			wrongList:[],
      questionList: [],//数据源
      swiperList: [], // 轮播图数据列表
      swiperIndex: 0, // 轮播图当前位置
      isChange: false, // 是否切换
      topicIndex: 0, // 题目位置
      duration: 200, // 动画过渡时长
    }
  },
  onLoad() {
    this.getQuestionList()
    this.renderSwiper(0)
  },
  methods: {
		//切换题目
		chooseQueston(index){
			this.popupShow=false
			this.pickerTopic(index)
		},
		//查看考试结果
		toResult(){
			uni.navigateTo({
				url:"/pages/questionBank/practiceResult"
			})
		},
		toCollect(){
			if(this.questionList[this.topicIndex].isCollect){
				this.questionList[this.topicIndex].isCollect=false
				uni.showToast({
					title:"取消收藏",
					icon:'none'
				})
			}else{
				this.questionList[this.topicIndex].isCollect=true
				uni.showToast({
					title:"已收藏",
					icon:'none'
				})
			}
		},
		cancel(){
			this.tipShow=false
		},
		touchEnd(e){
			if(this.topicIndex<this.questionList.length-1){
				this.index=this.topicIndex
			}else{
				this.index++
			}
		},
    // 渲染 swiper
    renderSwiper(index) {
      let list = [];
      let current = 1;
      if (this.questionList[index - 1]) {
        list.push(this.questionList[index - 1]);
      } else {
        current = 0;
      }

      list.push(this.questionList[index])

      if (this.questionList[index + 1]) {
        list.push(this.questionList[index + 1]);
      }
			
      this.duration = 0;

      setTimeout(() => {
        this.swiperList = list;
        this.swiperIndex = current;
        setTimeout(() => {
          this.duration = 200;
        }, 100)
      }, 50)
    },

    // 轮播图切换
    onChange(e) {
      // 非触摸事件不做轮播图状态更新
      if (e.detail.source != "touch") return;

      // 标识已切换
      this.isChange = true;
      // 轮播图当前位置大于原来时则表示为下一题
      if (e.detail.current > this.swiperIndex) {
        this.topicIndex++;
      } else {
        // 轮播图当前位置小于原来时则表示为上一题
        this.topicIndex--;
      }
      // 更新轮播图位置数值，为更新时让 Vue 能监听到数据有改变
      this.swiperIndex = e.detail.current;
    },
    // 轮播图动画结束
    onAnimationfinish(e) {
			if(this.index>=this.questionList.length){
				this.tipShow=true
			}else{
				this.tipShow=false
			}
      if (!this.isChange) return;

      this.isChange = false;
      setTimeout(() => {
        this.renderSwiper(this.topicIndex);
      }, 10);
    },
    // 选择题目
    pickerTopic(index) {
      this.topicIndex = index;
      this.renderSwiper(index);
    },
    //答题
    answerQues(op, index) {
      if (!this.questionList[this.topicIndex].clickAnswer) {
        this.questionList[this.topicIndex].optionList[index].chooseOption = op
        this.questionList[this.topicIndex].clickAnswer = op
      }
      if(this.tCurrent!==1){
        if(this.questionList[this.topicIndex].clickAnswer===this.questionList[this.topicIndex].rightOp){
					if(!this.rightList.includes(this.questionList[this.topicIndex].questionId)){
						this.rightList.push(this.questionList[this.topicIndex].questionId)
					}
					console.log(this.rightList);
					if(this.wrongList.includes(this.questionList[this.topicIndex].questionId)){
						const wIndex=this.wrongList.findIndex(this.questionList[this.topicIndex].questionId)
						this.wrongList.splice(wIndex,1)
					}
          if(this.topicIndex<this.questionList.length-1){
            this.topicIndex ++;
						this.qIndex=this.topicIndex
            setTimeout(()=>{
              this.renderSwiper(this.topicIndex);
            },1000)
          }
					if(this.topicIndex<=this.questionList.length-1){
							this.qIndex=this.topicIndex
					}else{
						this.qIndex++
					}
					if(this.qIndex>=this.questionList.length-1){
						setTimeout(()=>{
							this.tipShow=true
						},1000)
					}else{
						this.tipShow=false
					}
        }else{
					if(!this.wrongList.includes(this.questionList[this.topicIndex].questionId)){
						this.wrongList.push(this.questionList[this.topicIndex].questionId)
					}
				}
      }
    },
    sectionChange(index) {
      this.tCurrent = index
      this.getQuestionList()
      this.renderSwiper(0)
    },
    getQuestionList() {
      this.questionList = [{
        questionId: 0,
        questionTypeDesc: '单选',
        questionDesc: '第一题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
        optionList: [{
          op: 'A',
          opDesc: '注意新手标志'
        }, {
          op: 'B',
          opDesc: '注意新手标志'
        }, {
          op: 'C',
          opDesc: '注意新手标志'
        }, {
          op: 'D',
          opDesc: '注意新手标志'
        }],
        rightOp: 'C',
      }, {
        questionId: 1,
        questionTypeDesc: '单选',
        questionDesc: '第二题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
        optionList: [{
          op: 'A',
          opDesc: '注意新手标志'
        }, {
          op: 'B',
          opDesc: '注意新手标志'
        }, {
          op: 'C',
          opDesc: '注意新手标志'
        }, {
          op: 'D',
          opDesc: '注意新手标志'
        }],
        rightOp: 'B',
      }, {
        questionId: 2,
        questionTypeDesc: '单选',
        questionDesc: '第三题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
        optionList: [{
          op: 'A',
          opDesc: '注意新手标志'
        }, {
          op: 'B',
          opDesc: '注意新手标志'
        }, {
          op: 'C',
          opDesc: '注意新手标志'
        }, {
          op: 'D',
          opDesc: '注意新手标志'
        }],
        rightOp: 'A',
      },
        {
          questionId: 3,
          questionTypeDesc: '单选',
          questionDesc: '第四题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'A',
        }, {
          questionId: 4,
          questionTypeDesc: '单选',
          questionDesc: '第5题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'A',
        },
        {
          questionId: 5,
          questionTypeDesc: '单选',
          questionDesc: '第6题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'A',
        }, {
          questionId: 6,
          questionTypeDesc: '单选',
          questionDesc: '第7题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'A',
        }, {
          questionId: 7,
          questionTypeDesc: '单选',
          questionDesc: '第8题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'A',
        }, {
          questionId: 8,
          questionTypeDesc: '单选',
          questionDesc: '第9题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'C',
        }, {
          questionId: 9,
          questionTypeDesc: '单选',
          questionDesc: '第10题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'B',
        }, {
          questionId: 10,
          questionTypeDesc: '单选',
          questionDesc: '第11题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'A',
        },
        {
          questionId: 11,
          questionTypeDesc: '单选',
          questionDesc: '第12题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'A',
        }, {
          questionId: 12,
          questionTypeDesc: '单选',
          questionDesc: '第13题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'A',
        },
        {
          questionId: 13,
          questionTypeDesc: '单选',
          questionDesc: '第14题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'A',
        }, {
          questionId: 14,
          questionTypeDesc: '单选',
          questionDesc: '第15题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'A',
        }, {
          questionId: 15,
          questionTypeDesc: '单选',
          questionDesc: '第16题，在实习期内驾驶机动车的，应当在车身后部粘贴或者悬挂哪种标志？',
          optionList: [{
            op: 'A',
            opDesc: '注意新手标志'
          }, {
            op: 'B',
            opDesc: '注意新手标志'
          }, {
            op: 'C',
            opDesc: '注意新手标志'
          }, {
            op: 'D',
            opDesc: '注意新手标志'
          }],
          rightOp: 'A',
        }
      ]
      if(this.tCurrent===1){
        this.questionList=this.questionList.map(item=>{
          return{
            ...item,
            clickAnswer:item.rightOp
          }
        })
      }
    }
  }
}
</script>

<style scoped  lang="scss">
.type_box {
  width: 350rpx;
  height: 72rpx;
  background-color: #FFFFFF;
  border-radius: 8rpx;
}

.type_item {
  text-align: center;
  line-height: 64rpx;
  width: 160rpx;
  height: 64rpx;
  border-radius: 8rpx;
}

.checked {
  color: #fff;
  background-color: #05C341;
}

.unchecked {
  color: #666;
}

.tag_box {
  display: inline-block;
  width: 78rpx;
  height: 42rpx;
  background: #05C341;
  border-radius: 8rpx;
  text-align: center;
  line-height: 42rpx;
  color: #fff;
  font-size: 12px;
  margin-right: 5px;
}

.option_item {
  width: 60rpx;
  height: 60rpx;
  border: 1px solid #666;
  border-radius: 50%;
  text-align: center;
  line-height: 60rpx;
  margin-right: 30rpx;
}

.swiper {
  height: 100vh;
}

.answer_box {
  width: 100%;
  padding: 30rpx;
  background: #EEEEEE;
  border-radius: 20rpx;
}
.btn{
	width: 220rpx;
	height: 80rpx;
	border-radius: 40rpx;
	color:#fff;
	background: linear-gradient(90deg, #11DF20 0%, #00B74F 100%);
	font-size: 28rpx;
	line-height: 80rpx;
}
.tCircle{
	width: 80rpx;
	height: 80rpx;
	background-color: #fff;
	border: #ddd solid 1px;
	border-radius: 50%;
	line-height: 80rpx;
	text-align: center;
	
	&.active {
		border:  #05C341 solid 1px;
	}
	
	&.success {
		background-color:rgb(236,247,241);
		color: #05C341;
		border: none;
	
		&.active {
			border: #05C341 solid 1px;
		}
	}
	
	&.error {
		background-color: #ffeceb;
		color: #f84d27;
		border: none;
	
		&.active {
			border: #f84d27 solid 1px;
		}
	}
}
</style>