<script setup>
/**
 * 搜索
 */
import {
	ref,
	reactive,
	getCurrentInstance,
	computed,
} from 'vue';
import {
	onLoad,
	onReady,
	onPullDownRefresh,
	onReachBottom
} from '@dcloudio/uni-app'

// 工具库
import util from '@/common/js/util';
// api
import api from '@/api/index.js'
// 顶部状态栏
import statusBar from '@/components/header/statusBar.vue'
import { set } from 'lodash';

const {
	proxy
} = getCurrentInstance()
// 搜索状态
const searchState = ref(false)
// 搜索记录
const searchLog = reactive([])
// 热点视频
const hotVideoList = reactive([])
// 分类列表
const tabList = reactive([{
	name: '视频',
	getList: () => getVideoList(),
	getMoreList: () => getMoreVideoList(),
	refreshList: () => refreshVideoList()
},
{
	name: '用户',
	getList: () => getFriendList(),
	getMoreList: () => getMoreFriendList(),
	refreshList: () => refreshFriendList()
},
])
// 分类下标
const tabIndex = ref(0)
// 搜索关键字
const keyword = ref('')
// 视频列表
const videoList = reactive({
	data: [],
	pageNum: 1,
	pageSize: 10,
	total: 0,
})
// 用户列表
const userList = reactive({
	data: [],
	pageNum: 1,
	pageSize: 10,
	total: 0,
})

// 用户信息
const userinfo = computed(() => {
	let resuilt = uni.$store.state.userinfo
	return resuilt
})

onLoad(() => {
	// 获取用户搜索记录
	getSearchLog()
	// 获取热点视频
	getHotVideo()
})

onReachBottom(() => {
	// 获取更多列表
	if (searchState.value) tabList[tabIndex.value].getMoreList()
})

onPullDownRefresh(() => {
	if (!searchState.value) {
		uni.stopPullDownRefresh()
		return
	}
	// 刷新
	tabList[tabIndex.value].refreshList()
})

// 获取用户搜索记录
function getSearchLog() {
	let searchList = uni.getStorageSync('searchLog');
	if (searchList) {
		searchList = Array.from(new Set(searchList))
		searchLog.push(...searchList)
	}
}

// 获取热点视频
function getHotVideo() {
	// 热点视频
	api.video.hotVideos().then(rs => {
		if (rs.code == 200) {
			hotVideoList.push(...rs.data)
			return
		}
		util.alert({
			contuent: rs.msg,
			showCancel: false,
		})
	})
}

// tab下标
function handleTabIndex(index) {
	if (tabIndex.value === index) return
	tabIndex.value = index
	// 重载
	tabList[tabIndex.value].refreshList()
}

/**
 * 查看用户主页
 * @param {Object} item
 */
function handleUser(item) {
	uni.navigateTo({
		url: util.setUrl('/pages/index/videoHome', {
			userId: item.userId
		})
	})
}

// 搜索
function handleSearch() {
	if (!keyword.value) {
		searchState.value = false
		return
	} else searchState.value = true

	// 获取列表
	tabList[tabIndex.value].getList()


	// 缓存搜索历史 
	let searchList = uni.getStorageSync('searchLog');
	searchList = searchList == '' ? [] : searchList;
	searchList.push(keyword.value)
	searchList = Array.from(new Set(searchList))
	searchList = searchList.reverse()

	uni.setStorageSync("searchLog", searchList)
}

// 重载视频列表
function refreshVideoList() {
	videoList.pageNum = 1
	videoList.total = 0
	getVideoList()
}

// 获取更多视频列表
function getMoreVideoList() {
	if (videoList.data.length >= videoList.total) return
	videoList.pageNum++
	getVideoList()
}

// 获取视频列表
function getVideoList() {
	let obj = {
		content: keyword.value,
		type: +tabIndex.value + 1,
		userId: userinfo.value.id,
	}

	api.video.videoSearch({ query: obj }).then(rs => {
		// console.log('videoSearch', rs)
		if (rs.code == 200) {
			if (videoList.pageNum) videoList.data.length = 0
			// 追加视频列表
			videoList.data.push(...rs.rows.map(item => {
				item.format_videoUrl = util.format_url(item.videoUrl, 'video')
				item.format_header = util.format_url(item.avatar, 'img')
				item.format_imageUrl = util.format_url(item.coverUrl, 'img')
				return item
			}))
			// 视频列表
			videoList.total = rs.total
			// console.log('videoList', videoList.data)
			return
		}
		util.alert({
			content: rs.msg,
			showCancel: false,
		})
	}).finally(() => {
		uni.stopPullDownRefresh()
	})
}

// 重载朋友列表
function refreshFriendList() {
	userList.pageNum = 1
	userList.total = 0
	getFriendList()
}

// 获取更多朋友列表
function getMoreFriendList() {
	if (userList.data.length >= userList.total) return
	userList.pageNum++
	getFriendList()
}

// 获取朋友列表
function getFriendList() {
	let obj = {
		content: keyword.value,
		type: +tabIndex.value + 1,
		userId: userinfo.value.id,
	}
	api.video.videoSearch({ query: obj }).then(rs => {
		if (rs.code == 200) {
			if (userList.pageNum) userList.data.length = 0
			// 追加朋友列表
			userList.data.push(...rs.rows.map(item => {
				item.userId = item.id
				item.format_userPortrait = util.format_url(item.avatar, 'img')
				return item
			}))
			// 视频列表
			userList.total = rs.total
			return
		}
		util.alert({
			content: rs.msg,
			showCancel: false,
		})
	}).finally(() => {
		uni.stopPullDownRefresh()
	})
}

/**
 * 点击当前元素搜索
 * @param {Object} item 被点击的元素
 * @param {String} key 键
 */
function handleItemSearch(item, key) {
	if (key == 'search') {
		keyword.value = item
	} else if (key == 'title') {
		keyword.value = item.topic
	}

	// 搜索
	handleSearch()
}

// 跳转视频
function handleVideo(item) {
	uni.navigateTo({
		url: util.setUrl('/pages/index/videoDetail', {
			videoId: item.id
		})
	})
}

// 删除历史记录 
function deleteSearch() {
	util.alert({
		content: '确认删除历史记录吗？',
	}).then(rs => {
		uni.removeStorageSync('searchLog')
		searchLog = searchLog.splice(0, searchLog.length)
	})
}
</script>

<template>
	<view class="appbw">
		<view class="ghost">
			<statusBar />
			<view class="head"></view>
		</view>

		<view class="apex">
			<statusBar />

			<!-- 头部 -->
			<view class="header head df aic plr30">
				<navigator open-type="navigateBack" class="back b">
					<uni-icons type="left" size="48rpx" color="#333" />
				</navigator>

				<view class="search df aic ml20 f1 ptb5 plr15 bar">
					<uni-icons type="search" size="32rpx" color="#aaa" />
					<input class="ml20 f32" v-model="keyword" placeholder="请输入关键字" />
					<view class="btn bar sm colourful w120" @click="handleSearch">搜索</view>
				</view>
			</view>
		</view>

		<!-- 搜索状态 -->
		<template v-if="!searchState">
			<!-- 历史记录 -->
			<view class="searchList mtb30 mlr30">
				<view class="rows">
					<view class="title c333 f28 b">历史记录</view>
					<uni-icons type="trash" size="24rpx" color="#999" @click="deleteSearch" />
				</view>

				<view class="list mt20 c333 f24">
					<view class="item dib mtb10 mlr10 ptb10 plr20 bar" v-for="(item, index) in searchLog" :key="index"
						@click="handleItemSearch(item, 'search')">{{ item }}</view>

					<view class="nomore mtb20" v-if="!searchLog[0]">暂无搜索记录</view>
				</view>
			</view>

			<!-- 搜索发现 -->
			<view class="searchList mtb30 mlr30" v-if="0">
				<view class="rows">
					<view class="title c333 f28 b">搜索发现</view>
				</view>

				<view class="list mt20 c333 f24">
					<view class="item dib mtb10 mlr10 ptb10 plr20 bar" v-for="(item, index) in 15" :key="index">电商
					</view>
				</view>
			</view>

			<!-- 热门搜索 -->
			<view class="hotList mtb30 mlr30 c333">
				<view class="title f28 b">热门搜索</view>
				<view class="list">
					<view class="item df aic jcsb ptb20" v-for="(item, index) in hotVideoList" :key="index"
						@click="handleItemSearch(item, 'title')">
						<view class="rank c666 f32 b">{{ index + 1 }}</view>

						<view class="content df aic f1 mlr15 f24">
							<text>{{ item.topic }}</text>
							<template v-if="index < 3">
								<view class="label hot" v-if="index < 3">热</view>
								<view class="label new" v-if="0">新</view>
							</template>
							<view class="f1"></view>
						</view>

						<view v-if="0" class="number f22">热度{{ item.play }}</view>
						<view class="change wh40" v-if="0">
							<image src="/static/hotSearchUp.png" mode="aspectFit" v-if="1" />
							<image src="/static/hotSearchDefault.png" mode="aspectFit" v-else-if="1" />
							<image src="/static/hotSearchDown.png" mode="aspectFit" v-else />
						</view>
					</view>
				</view>
			</view>
		</template>

		<!-- 搜索结果 -->
		<template v-else>
			<!-- tab -->
			<view class="tabList df plr15">
				<view class="item df fdc aic plr20" v-for="(item, index) in tabList" :key="index"
					:class="{ 'active': index === tabIndex }" @click="handleTabIndex(index)">
					<view class="txt">{{ item.name }}</view>
					<view class="line"></view>
				</view>
			</view>

			<!-- 列表容器 -->
			<view class="listBox ptb15 plr15">
				<!-- 视频列表 -->
				<view class="videoList" v-if="tabIndex === 0">
					<view class="item oh mb25 plr30 c333 bfff br20" v-for="(item, index) in videoList.data" :key="index"
						@click="handleVideo(item)">
						<!-- 用户 -->
						<view class="userinfo df aic mtb25">
							<view class="avatar" @click.stop="handleUser(item)">
								<image class="wh70 cir" :src="item.format_header" mode="aspectFill" />
							</view>

							<view class="user ml15 f1">
								<view class="nickname f32">{{ item.userNickname }}</view>
								<view class="date mt10 c999 f24">{{ item.createTime }}</view>
							</view>
						</view>

						<!-- 简介 -->
						<view class="desc mtb20 f28">{{ item.title }}</view>

						<!-- 封面图 -->
						<view class="coverImg mtb20">
							<image :src="item.format_imageUrl" mode="aspectFill" class="br25" />
						</view>

						<!-- 菜单 -->
						<view class="menu df mtb20 c333 f28">
							<!-- 点赞数量 -->
							<view class="option f1 fmid">
								<image class="wh30" src="/static/indexLike.png" mode="aspectFit"
									v-if="item.isLike == 1" />
								<image class="wh30" src="/static/indexLike1.png" mode="aspectFit" v-else />
								<view class="number ml10">{{ item.likeCount }}</view>
							</view>

							<!-- 评论数量 -->
							<view class="option f1 fmid">
								<image class="wh30" src="/static/indexMsg.png" mode="aspectFit" />
								<view class="number ml10">{{ item.reviewCount }}</view>
							</view>

							<!-- 收藏数量 -->
							<view class="option f1 fmid">
								<image class="wh30" src="/static/indexCollect.png" mode="aspectFit" />
								<view class="number ml10">{{ item.collectCount }}</view>
							</view>

							<!-- 转发数量 -->
							<view class="option f1 fmid" v-if="0">
								<image class="wh30" src="/static/indexShare.png" mode="aspectFit" />
								<view class="number ml10">666.6w</view>
							</view>
						</view>

						<!-- 用户热评 -->
						<view class="userMsg df aic mtb25" v-if="0">
							<view class="avatar">
								<image class="wh70 cir" src="/static/openPage.png" mode="aspectFill" />
							</view>

							<view class="user ml15 f1">
								<view class="nickname c666 f28">超级果农大王</view>
								<view class="txt thd f24">真是美味呀 ，多买点儿！！！</view>
							</view>

							<view class="option fmid">
								<image class="wh30" src="/static/indexLike1.png" mode="aspectFit" />
								<view class="number ml10 c666 f28">6.6w</view>
							</view>
						</view>
					</view>
					<view v-if="videoList.data.length == 0" class="mtb20 nomore">暂无更多</view>
				</view>

				<!-- 用户列表 -->
				<view class="userList" v-if="tabIndex === 1">
					<view class="item df aic mtb40 plr10" v-for="(item, index) in userList.data" :key="index"
						@click="handleUser(item)">
						<view class="avatar fs0">
							<image class="wh110 cir" :src="item.format_userPortrait" mode="aspectFill" />
						</view>

						<view class="user oh f1 mlr25">
							<view class="nickname c333 f32">{{ item.userNickname }}</view>
							<view class="fans c999 f24">粉丝：{{ item.userFans }}</view>
						</view>

						<view class="button fs0">
							<view class="btn cancel w150" v-if="item.isAttention == 0">取消关注</view>
							<view class="btn focus w150" v-else>关注</view>
						</view>
					</view>
					<view v-if="userList.data.length == 0" class="mtb20 nomore">暂无更多</view>
				</view>
			</view>
		</template>

	</view>
</template>

<style lang="scss">
image {
	width: 100%;
	height: 100%;
}

// 顶部
.apex {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1;
	background-color: #fff;
}

// 
.search {
	height: 60rpx;
	background-color: #f1f1f1;
}

// 搜索列表
.searchList {

	// 单项
	.item {
		background-color: #f1f1f1;
	}
}

// 热搜列表
.hotList {

	.item+.item {
		border-top: 1rpx solid #F6F6F6;
	}

	.item:nth-child(1) .number {
		color: #FF0F2E;
	}

	.item:nth-child(2) .number {
		color: #FF370F;
	}

	.item:nth-child(3) .number {
		color: #FF630F;
	}

	// 热度
	.number {
		color: #999999;
	}

	// 标签
	.label {
		margin-left: 20rpx;
		padding: 2rpx 10rpx;
		font-size: 20rpx;
		color: #fff;
		border-radius: 50rpx 50rpx 50rpx 2rpx;

		// 热
		&.hot {
			background-color: #FF0F2E;
		}

		// 新
		&.new {
			background-image: linear-gradient(123deg, #27EFE2 0%, #A45EFF 43%, #FF004F 99%);
		}
	}
}

// 分栏列表
.tabList {

	.item {
		.line {
			background-color: #333;
			width: 0;
			height: 10rpx;
			border-radius: 100rpx;
		}

		// 激活的
		&.active {

			.txt {
				font-weight: bold;
			}

			.line {
				width: 30rpx;
			}
		}
	}
}

// 列表容器
.listBox {
	min-height: 95vh;
	background-color: #f8f8f8;

	.videoList {
		.coverImg {
			height: 376rpx;
		}
	}
}
</style>