<template>
	<view id="questionBank">
		<swiper class="swiper" :current="current" @change="swiperChange" :interval="interval">
			<swiper-item v-for="(bank,bankIndex) in bankList">
				<view class="pageContent">
					<view class="pad_8 titBox">
						<view class="firstLetter">
							<view class="leftLetters">
								<view class="btnType">单选</view>
								<text>1/{{current}}</text>
							</view>
							<view style="color: #666;font-size: 28rpx;">03:25:06</view>
							<view class="leftLetters"></view>
						</view>
						<view class="titles">建造师执业资格注册的有效期一般为（ ）年。</view>
						<view class="">
							<view v-if="ques[bankIndex] ">
								<view v-for="(item, index) in bank" :key="index" 
									 
									class="lisSty">
									<view :class="{right:(item.value == ques[bankIndex]) && (ques[bankIndex] == ans[bankIndex]),wrong:(item.value == ques[bankIndex]) && (ques[bankIndex] != ans[bankIndex])}" class="activeTI">{{ ast[index] }}</view>
									{{ item.label }}
								</view>
							</view>
							<view v-if="!ques[bankIndex]">
								<view v-for="(item, index) in bank" :key="index" @click="click" :data-value="item.value" class="lisSty">
									<text class="activeTI">{{ ast[index] }}</text>
									{{ item.label }}
								</view>
							</view>
							
						</view>
					</view>
					<view v-if="ques[bankIndex]">
						<view class="pad_8 answer">
							<view>正确答案：{{ans[bankIndex]}}</view>
							<view>我的答案：{{ques[bankIndex]}}</view>
						</view>
						<view class="pad_8 answerInfos">
							<view class="answerTitle">答案解析</view>
							<view class="answerContent">
								建造师执业资格注册有效期一般为3年，有效期满前3个月，持证者应到原注册管理机构办理再次注册手续。在注册有效期内，变更执业单位者，应当及时办理变更手续。
							</view>
						</view>
					</view>
					
				</view>
			</swiper-item>
		</swiper>
		
		<view class="footer_btn">
			<view @click="collect">收藏</view>
			<view @click="openFooterTab">答题卡</view>
			<view @click="submit">交卷</view>
		</view>
		<u-popup v-model="show" mode="bottom" border-radius="14" height="680rpx">
			<view class="popupView">
				<view class="popupTops">
					<view class="topIcon"></view>
					点击编号即可跳转至对应题目
				</view>
				<view class="popupContent">
					<scroll-view scroll-y="true" style="height: 506rpx;">
						<view class="boxSty">
							<view v-for="(item, index) in 10" :key="index" :data-index="index" @click="changeIndex" :class="{disabled:index>=5}" class="liListSty">{{ index + 1 }}</view>
						</view>
					</scroll-view>
				</view>
			</view>
		</u-popup>
		
		<view class="dialog" v-if="showDialog">
			<view class="text">左右滑动切换上下题</view>
			<view class="btn" @click="hideDialog">我知道了</view>
		</view>
	</view>
</template>

<script>
export default {
	data() {
		return {
			current:0,
			ast: ['A', 'B', 'C', 'D',],
			ans:[1,2,3,4,1],
			ques:['','','','',''],
			show: false,
			showDialog:true,
			bankList: [
				[
					{
						label: '1',
						value: 1
					},
					{
						label: '2',
						value: 2
					},
					{
						label: '3',
						value: 3
					},
					{
						label: '4',
						value: 4
					}
				],
				[
					{
						label: '5',
						value: 1
					},
					{
						label: '6',
						value: 2
					},
					{
						label: '7',
						value: 3
					},
					{
						label: '8',
						value: 4
					}
				],
				[
					{
						label: '9',
						value: 1
					},
					{
						label: '10',
						value: 2
					},
					{
						label: '11',
						value: 3
					},
					{
						label: '12',
						value: 4
					}
				],
				[
					{
						label: '13',
						value: 1
					},
					{
						label: '14',
						value: 2
					},
					{
						label: '15',
						value: 3
					},
					{
						label: '17',
						value: 4
					}
				],
				[
					{
						label: '18',
						value: 1
					},
					{
						label: '19',
						value: 2
					},
					{
						label: '21',
						value: 3
					},
					{
						label: '22',
						value: 4
					}
				]
			]
		};
	},
	methods: {
		openFooterTab() {
			this.show = true;
		},
		hideDialog() {
			this.showDialog = false
		},
		changeIndex(e) {
			let index = e.currentTarget.dataset.index
			if(index >= 5) {
				uni.showToast({
				    title: '返回详情购买后即可继续',
				    duration: 2000,
					icon:'none'
				});
				return;
			}
			
			this.current = e.currentTarget.dataset.index
		},
		
		swiperChange(e) {
			this.current = e.detail.current;
		},
		
		submit() {
			uni.showToast({
			    title: '不能试做返回详情购买后即可交卷~',
			    duration: 2000,
				icon:'none'
			});
			return;
		},
		
		collect() {
			uni.showToast({
			    title: '返回详情购买后即可收藏~',
			    duration: 2000,
				icon:'none'
			});
			return;
		},
		
		click(e) {
			if(this.ques[this.current]) return;
			let value = e.currentTarget.dataset.value;
			this.ques[this.current] = value;
			this.ques = Object.assign({},this.ques)
			
		}
	}
};
</script>

<style lang="scss" scoped>
.swiper {
	width:100%;
	height:100vh;
}
.lisSty {
	margin-bottom: 16rpx;
	
}
.activeTI {
	vertical-align: middle;
	display: inline-block;
	border: 1rpx solid #eee;
	border-radius: 50rpx;
	height: 48rpx;
	line-height: 46rpx;
	text-align: center;
	width: 48rpx;
	margin-right: 15rpx;
	color: #666;
	font-size: 30rpx;
	
	
	&.right {
		color:#fff;
		background:green;
	}
	
	&.wrong {
		color:#fff;
		background:red;
	}
}
.titles {
	margin-bottom: 24rpx;
}
.titBox {
	padding: 41rpx 25rpx 24rpx 25rpx;
}
.firstLetter {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 30rpx;
	.leftLetters {
		display: flex;
		align-items: center;
		width: 220rpx;
		.btnType {
			padding: 5rpx 10rpx;
			border: 1rpx solid #007aff;
			border-radius: 10rpx;
			background-color: rgba(0, 122, 255, 0.1);
			font-size: 28rpx;
			color: #007aff;
			margin-right: 15rpx;
		}
	}
}
.popupView {
	height: 100%;
	padding-bottom: 100rpx;
	.popupTops {
		height: 77rpx;
		border-bottom: 1rpx solid #eee;
		text-align: center;
		line-height: 77rpx;
		font-size: 24rpx;
		color: #999;
		position: relative;
		.topIcon {
			position: absolute;
			top: 10rpx;
			left: 50%;
			transform: translateX(-50%);
			width: 80rpx;
			height: 8rpx;
			background-color: #999;
			border-radius: 4rpx;
		}
	}
	.popupContent {
	}
}
.pageContent {
	background-color: #eaeef1;
	min-height: 100vh;
	padding-top: 8rpx;
	padding-bottom: 100rpx;
}
.pad_8 {
	background-color: #fff;
	margin: 0rpx 8rpx 8rpx;
	border-radius: 16rpx;
}
.answer {
	height: 80rpx;
	line-height: 80rpx;
	padding: 0rpx 24rpx;
	display: flex;
	align-items: center;
	justify-content: space-between;
	color: #666;
	font-size: 30rpx;
}
.footer_btn {
	background-color: #fff;
	z-index: 10078;
	position: fixed;
	bottom: 0rpx;
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	height: 98rpx;
	padding: 0rpx 38rpx;
	border-top: 1rpx solid #eee;
}
.boxSty {
	padding: 44rpx 41rpx 0rpx;
}
.liListSty {
	width: 88rpx;
	height: 88rpx;
	border-radius: 32rpx;
	background-color: #ff3b30;
	text-align: center;
	line-height: 88rpx;
	color: #fff;
	font-size: 32rpx;
	float: left;
	margin: 20rpx 23rpx;
	
	&.disabled {
		border:1rpx solid #EEEEEE;
		color:#EEEEEE;
		background: none;
	}
}
.answerInfos {
	padding: 25rpx 25rpx 25rpx 23rpx;
}
.answerTitle {
	margin-bottom: 28rpx;
	color: #666;
	font-size: 30rpx;
}
.answerContent {
	font-size: 30rpx;
	color: #666;
}

.dialog {
	position: fixed;
	left:0;
	top:0;
	width:100%;
	height:100%;
	background-color: rgba(0,0,0,0.8);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	z-index: 20000;
	
	.text {
		font-size: 32rpx;
		color: #FFFFFF;
		text-align: center;
	}
	
	.btn {
		width: 242rpx;
		height: 82rpx;
		border: 2rpx solid #FFFFFF;
		border-radius: 16rpx;
		text-align: center;
		line-height: 82rpx;
		margin:41rpx auto;
		color:#fff;
		font-size: 32rpx;
	}
}
</style>
