<template>
	<view>
		<view class="tabbar" :style="'margin-bottom:'+safety+'px'">
			<view class="tabbar_content fx">
				<view v-for="(item,index) in tableList" :key="index" @click="tableClick(index)" class="tabbar_item f1">
					<image v-if="tableIndex==index"
						:src="'/static/images/tables/tab'+(index+1)+'a.png'"
						class="tabbar_icon"></image>
					<image v-else :src="'/static/images/tables/tab'+(index+1)+'.png'"
						class="tabbar_icon"></image>
					<view class="tabbar_title" :class="tableIndex==index?'tabbar_active':''">
						{{item.label}}
					</view>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				tableList: [{
						label: '聊天',
						link: 'pages/index/index'
					},
					{
						label: '好友',
						link: 'pages/friends/index',
					},
					{
						label: '我的',
						link: 'pages/mine/index',
					},
				],
				tableIndex: 0,
				safety: uni.getWindowInfo().safeAreaInsets.bottom || 10
			}
		},
		computed: {

		},
		mounted() {
			this.getCurrentPageUrl()
		},
		methods: {
			getCurrentPageUrl() {
				const pages = getCurrentPages();
				const currentPage = pages[pages.length - 1];
				const url = currentPage.route;

				for (let i = 0; i < this.tableList.length; i++) {
					if (this.tableList[i].link == url) {
						this.tableIndex = i
					}
				}
			},
			tableClick(e) {
				uni.reLaunch({
					url: '/' + this.tableList[e].link
				})
			}
		}
	}
</script>

<style>
	.tabbar {
		position: fixed;
		left: 0;
		bottom: 0;
		right: 0;
		padding: 0 50rpx;
		z-index: 10;
	}

	.tabbar_content {
		background: #fff;
		border-radius: 64rpx;
		box-shadow: 0rpx 0rpx 16rpx #0000000a;
	}

	.tabbar_item {
		position: relative;
		padding: 22rpx 16rpx;
	}

	.tabbar_icon {
		width: 48rpx;
		height: 48rpx;
		display: block;
		margin: 0 auto;
	}
	.tabbar_item:nth-child(2) .tabbar_icon {
		width: 60rpx;
	}

	.tabbar_title {
		font-weight: 400;
		font-size: 28rpx;
		color: #9DB2CE;
		line-height: 28rpx;
		text-align: center;
		margin: 24rpx 0 0 0;
	}

	.tabbar_active {
		color: #9DB2CE;
		font-weight: bold;
	}
</style>