<template>
	<view class="message-container">
		<!-- 固定背景的容器 -->
		<view class="background-container"></view>

		<!-- 可滚动的内容区域 -->
		<view class="content-container" :style="'height:'+height+'px'">
			<view class="message-title">
				容讯聊天室
			</view>
			<u-row class="message-search">
				<u-col span="9">
					<u-search placeholder="点击查询项目" v-model="keyword" :show-action="false"></u-search>
				</u-col>
				<u-col class="collection" span="3">
					<image class="collection-icon" src="/static/icon/Bookmark.png" mode=""></image>
					<view class="collection-text">
						我的收藏
					</view>
				</u-col>
			</u-row>
			<view class="menu-list">
				<view class="menu-item" v-for="(item,index) in menuList" @click="handleMenuChange(index)">
					<view class="menu-title">{{item.name + '(' + item.count +')'}}
					</view>
					<image class="menu-icon"
						:src="currentMenu==index?'/static/icon/Chevron down.png':'/static/icon/Chevron right Menu.png'"
						mode=""></image>
				</view>
			</view>
			<view class="message-list">
				<view class="message-item" v-for="item in messageList">
					{{item.messageName}}
				</view>
			</view>
		</view>

		<Tabbar id="tabbarId"></Tabbar>
	</view>
</template>

<script setup lang="ts">
	import { ref, computed, getCurrentInstance } from 'vue';
	import {
		onReady, onPullDownRefresh
	} from '@dcloudio/uni-app';
	import { onReady as onUniReady } from '@dcloudio/uni-app';
	const instance = getCurrentInstance();

	const height = ref(0)

	const loadHeight = () => {
		uni.getSystemInfo({
			success(res) {
				let screenHeight = res.screenHeight
				uni.createSelectorQuery().in(instance.proxy).select("#tabbarId").boundingClientRect((data : any) => {
					height.value = screenHeight - data.height
				}).exec()
			}
		})
	}

	// 搜索
	const keyword = ref('')

	// 小菜单切换
	const menuList = ref([{
		name: '全部',
		count: 5
	}, {
		name: '已投资',
		count: 5
	}, {
		name: '未读',
		count: 0
	}, {
		name: '不感兴趣',
		count: 5
	}])
	// 当前小菜单
	const currentMenu = ref(0)
	// 切换小菜单
	const handleMenuChange = (val) => {
		currentMenu.value = val
	}

	// 项目
	const messageList = ref([])

	const mockData = () => {
		for (var i = 0; i < 20; i++) {
			messageList.value.push({
				messageName: "test" + i
			})
		}
	}
	
	// 下拉刷新
	onPullDownRefresh(() => {
		uni.stopPullDownRefresh()
	})


	onUniReady(() => {
		loadHeight()

		// 模拟数据
		mockData()
	})
</script>

<style lang="scss" scoped>
	.message-container {
		width: 100%;
		position: fixed;
		top: 0;
		left: 0;
		height: 100%;
		overflow: hidden;
		/* 防止容器本身滚动 */

		/* 固定背景 */
		.background-container {
			position: absolute;
			top: 0;
			left: 0;
			width: 100%;
			height: 100%;
			background: linear-gradient(180deg, #2F75F9 0%, #F0F3FF 34.13%);
			z-index: 1;
			/* 确保背景在内容下方 */
		}

		/* 内容滚动区域 */
		.content-container {
			position: relative;
			z-index: 2;
			/* 确保内容在背景上方 */
			width: 100%;
			overflow-y: scroll;
			height: 100%;
			padding: 32rpx;

			.message-title {
				margin-top: 40rpx;
				text-align: center;
				font-family: SF Pro;
				font-weight: 700;
				font-style: Bold;
				font-size: 40rpx;
				leading-trim: NONE;
				line-height: 48rpx;
				letter-spacing: 0%;
				color: #FFFFFF;

			}

			.message-search {
				margin-top: 20rpx;

				.collection {
					width: 100%;
					display: flex;
					justify-content: flex-end;
					align-items: center;

					.collection-icon {
						width: 48rpx;
						height: 48rpx;
					}

					.collection-text {
						font-family: SF Pro;
						font-weight: 30;
						font-style: Expanded Ultralight;
						font-size: 24rpx;
						leading-trim: NONE;
						line-height: 26px;
						letter-spacing: 0%;
						color: #FFFFFF;
					}
				}

			}

			.menu-list {
				margin-top: 20rpx;
				display: flex;
				justify-content: space-around;

				.menu-item {
					display: flex;
					align-items: center;

					.menu-title {
						font-family: SF Pro;
						font-weight: 30;
						font-style: Expanded Ultralight;
						font-size: 24rpx;
						leading-trim: NONE;
						line-height: 42rpx;
						letter-spacing: 0%;
						color: #000;
					}

					.menu-icon {
						width: 22rpx;
						height: 22rpx;

					}
				}
			}

			.message-list {
				margin-top: 10rpx;

				.message-item {
					// border: 1px solid #000;
					padding: 20rpx 10px;
					background-color: #FFFFFF;
					border-radius: 10rpx;
					margin-bottom: 10rpx;
				}
			}
		}
	}
</style>