<template>
	<view>
		<z-nav-bar>
			<u-search :clearabled="true" bgColor="#fff" borderColor="#54a966" focus v-model="bookScreen.bookName"
				@custom='souBook' @clear="clear"></u-search>
		</z-nav-bar>
		<view class="sear_ch" v-if="this.show==0">
			<view class="sear_ch_tit">
				历史搜索
			</view>
			<view class="sear_ch_tag">
				<text v-for="item in historyList" @click="serkeyWord(item)">{{item}}</text>
			</view>
		</view>
		<view class="sear_class" v-if="this.show==1">
			<view class="sc_xuan">
				<view class="sc_con" v-for="(item,index) in classFen" @click="FenBook(item)"
					:class="bookScreen.type == item.id ? 'sc_con sc_con_style' : 'sc_con'">{{item.sort}}</view>
			</view>
			<view class="sc_xuan">
				<view class="sc_con" v-for="(item,index) in classMian" @click="MianBook(item)"
					:class="bookScreen.is_charge == item.id ? 'sc_con sc_con_style' : 'sc_con'">{{item.sort}}</view>
			</view>
		</view>
		<view class="sear_list" v-if="this.show==1">
			<view class="bl_tioa" v-for="(item,index) in bookList" @click="onBookJump(item)">
				
			</view>
			<view style="height: 1px;"></view>
			<view>
				<view v-if="status==0" style="text-align: center;">
					<u-loading-icon style="display: inline-block;"></u-loading-icon>
					<font style='vertical-align: super;margin-left: 10px;font-size: 26rpx;color: #909399;'>努力加载中</font>
				</view>
				<view v-if="status==1">
					<u-divider text="全部加载完成"></u-divider>
				</view>

			</view>
			<view v-if="this.show==1&&this.bookList==''">
				<u-divider text="暂无数据"></u-divider>
			</view>
			<view style="padding-bottom: 20rpx;">
				<u-back-top :scroll-top="scrollTop"></u-back-top>
			</view>
		</view>
		<music-play :playData="playData"></music-play>
	</view>
</template>

<script>
	import musicPlay from '@/components/music.vue'
	export default {
		data() {
			return {
				playData:{},
				scrollTop: 0,
				totalPage: 0,
				status: 3,
				show: 0,
				bookList: [],
				historyList: [],
				bookScreen: {
					authorName: '', //作者
					publisherName: '', //出版社
					type: '', //电子书类型
					bookName: '', //关键词
					is_charge: 1, //是否收费（0收费1免费）
					state: 1,
					page: 1, //当前页码数
					limit: 10, //单页数据数量
				},
				classFen: [{
					sort: '全部',
					id: ''
				}, {
					sort: '医学',
					id: 1
				}, {
					sort: '国学',
					id: 2
				}, {
					sort: '文学',
					id: 3
				}, {
					sort: '古籍',
					id: 4
				}],
				classMian: [{
					sort: '免费',
					id: 1
				}, {
					sort: 'VIP',
					id: 0
				}],
			};
		},


		// 返回顶部
		onPageScroll(e) {
			this.scrollTop = e.scrollTop;
		},

		// 下拉刷新
		onReachBottom() {
			this.status = 0
			if (this.bookScreen.page < this.totalPage) {
				this.bookScreen.page = this.bookScreen.page + 1
				setTimeout(() => {
					this.$http
						.post('book/book/list', this.bookScreen)
						.then(res => {
							this.totalPage = res.page.totalPage
							for (let i in res.page.list) {
								this.bookList.push(res.page.list[i])
							}
						});
				}, 1000)
			} else {
				this.status = 1
			}

		},



		//第一次加载
		onLoad(e) {

		},
		//页面显示
		onShow() {
			this.getHistory()
		},
		components: {
			musicPlay
		},
		//方法
		methods: {
			// 获取缓存
			getHistory() {
				this.historyList = uni.getStorageSync('hisRecords')
				if (this.historyList.length > 10) {
					this.historyList.splice(10, this.historyList.length)
					uni.setStorageSync('hisRecords', this.historyList);
				}
			},

			// 获取列表数据
			getData() {
				this.$http
					.post('book/book/list', this.bookScreen)
					.then(res => {
						this.bookList = res.page.list
						this.totalPage = res.page.totalPage
						this.status = 3
						this.show = 1
					});
			},

			// 清空
			clear() {
				this.show = 0
				this.getHistory()
			},

			// 搜索
			souBook() {
				if (this.bookScreen.bookName == '') {
					uni.showToast({
						icon: 'none',
						title: '请输入关键字'
					})
					return
				}
				this.getData();

				let ArryList = []
				if (uni.getStorageSync('hisRecords') == '') {
					ArryList.push(this.bookScreen.bookName)
					uni.setStorageSync('hisRecords', ArryList);
				} else {
					let value = uni.getStorageSync('hisRecords')
					value.unshift(this.bookScreen.bookName)
					uni.setStorageSync('hisRecords', value);
				}
			},

			// 点击历史搜索
			serkeyWord(e) {
				this.bookScreen.bookName = e
				this.getData();
			},
		},
	};
</script>

<style lang="scss" scoped>
	@import '@/style/mixin.scss';

	.sear_ch {
		margin: 50rpx 40rpx 0 40rpx;

		.sear_ch_tit {
			font-weight: bold;
			font-size: 30rpx;
			margin: 40rpx 0 0 0;
		}

		.sear_ch_tag {
			margin: 20rpx 0 0 0;

			text {
				background-color: #eee;
				font-size: 24rpx;
				border-radius: 50rpx;
				display: inline-block;
				margin: 0 30rpx 20rpx 0;
				padding: 10rpx 25rpx;
			}
		}
	}

	.sear_class {
		margin: 20rpx 30rpx 60rpx 30rpx;

		.sc_xuan {

			margin-bottom: 10rpx;

			.sc_con {
				display: inline-block;
				font-size: 28rpx;
				margin-right: 20rpx;
				border-radius: 20rpx;
				padding: 6rpx 12rpx;
			}

			.sc_con_style {
				color: #27b386;
				background-color: #2ab58833;
			}
		}
	}

	.sear_list {
		margin: 50rpx 30rpx 0 30rpx;

		.bl_tioa {
			box-shadow: 0 0px 10px 1px #d3d1d133;
			background-color: #fff;
			position: relative;
			padding: 0 25upx 10upx 220upx;
			margin: 0 0 60rpx 0;
			border-radius: 15rpx;
			min-height: 250rpx;

			view {

				text {
					color: #9b9b9b;
					font-size: 24rpx;
					line-height: 36rpx;
				}

				.bok_name {
					font-weight: bold;
					color: #333;
					font-size: 28rpx;
				}
			}

			image {
				position: absolute;
				left: 30upx;
				top: -20upx;
				width: 160upx;
				height: 240upx;
			}
		}

	}
</style>