<template>
	<view class="page" :style="{'min-height':h+'px', 'padding-top':mt+'px'}">
		<cus-header title='配置网络'></cus-header>
		<div class="title">设置Wi-Fi信息</div>
		<div class="items">
			<div class="item adfacjb">
				<div class="il">
					<input type="text" v-model="wifiSSID" placeholder="网络名称" placeholder-class="ph">
				</div>
				<div class="ir" @tap="toSelectWifi">选择Wi-Fi</div>
			</div>
			<div class="item adfacjb">
				<div class="il">
					<input :password="isPwd" v-model="wifiPWD" placeholder="请输入Wi-Fi密码" placeholder-class="ph">
				</div>
				<div class="iimgs">
					<image @tap="changePwd" src="@/static/pwd_hide.png" v-if="isPwd"></image>
					<image @tap="changePwd" src="@/static/pwd_show.png" v-else></image>
				</div>
			</div>
		</div>
		<div class="zt_btn" @tap="connectWifi">连接</div>
		<div class="memo">
			<div class="m_title">配网说明</div>
			<div class="m_p">
				1、请注意设备仅支持2.4G的WiFi<br>
				2、不支持无密码的WiFi连接<br>
				3、不支持二次授权或者需要网页二次登录的WiFi<br>
				4、如果使用手机热点连接，请确保手机热点正常开启<br>
				5、如果使用iPhone热点，请确保热点开启了最大兼容模式<br>
				6、iPhone热点因为低功耗，一段时间不使用，热点将会自动关闭，如果无法连接，请重新打开热点
			</div>
		</div>
		<u-popup :show="show" :round="56" mode="center" @close="show=false">
			<div class="wifis">
				<div class="top adfacjb">
					<div class="tl">选择WiFi</div>
					<div class="tr adfac" @tap="sxWiFi">
						<image src="@/static/refreash.png"></image>
						<text>刷新</text>
					</div>
				</div>
				<div class="list" v-if="wifiList.length">
					<div class="item adfacjb" v-for="(item,index) in wifiList" :key="index">
						<div class="il adfac">
							<image src="@/static/wifi.png"></image>
							<text>{{item}}</text>
						</div>
						<div class="ir" @tap="selectWifi(item)">选择</div>
					</div>
				</div>
				<template v-else>
					<page-empty></page-empty>
				</template>
			</div>
		</u-popup>
	</view>
</template>

<script>
	var xBlufi = require("@/utils/blufi/xBlufi.js");
	import pageEmpty from '@/components/pageEmpty/index.vue'
	export default {
		components:{pageEmpty},
		data(){
			return {
				name: '',
				connectedDeviceId: '',
				connected: true,
				isInitOK: false,
				wifiSSID:'',
				wifiPWD:'',
				isPwd:true,
				show:false,
				wifiList:[],
				type:'', // 配网类型
				wifiListCache: [], // 缓存 Wi-Fi 列表
				initTimeout: null, // 初始化超时定时器
				wifiListFetchTimeout: null, // 获取Wi-Fi列表超时定时器
				connectTimeout: null, // 配网超时定时器
				phoneType:''
			}
		},
		onLoad: function(options) {
			this.type = options.type || '';
			var that = this
			this.name = options.name;
			this.connectedDeviceId = options.deviceId;
			
			xBlufi.listenDeviceMsgEvent(true, this.funListenDeviceMsgEvent);
			
			// 初始化超时处理
			this.initTimeout = setTimeout(() => {
				wx.hideLoading();
				wx.showModal({
					title: '温馨提示',
					content: '设备初始化超时，请返回上一页重试；若多次超时，请重启设备。',
					showCancel: false
				});
			}, 5000); // 5秒超时

			xBlufi.notifyInitBleEsp32({
				deviceId: options.deviceId,
			})
			uni.getSystemInfo({
				success:res=>{
					this.phoneType = res.platform;
					if(res.platform === 'ios'){
						wx.showLoading({title:'设备初始化...'})
					}else{
						this.startSearchWifi();
					}
				}
			})
		},
		onUnload() {
			// 页面卸载时清除所有定时器
			if (this.initTimeout) clearTimeout(this.initTimeout);
			if (this.wifiListFetchTimeout) clearTimeout(this.wifiListFetchTimeout);
			if (this.connectTimeout) clearTimeout(this.connectTimeout);
		},
		methods:{
			funListenDeviceMsgEvent: function(options) {
				let that = this
				let ssid_arry = this.wifiList;
				switch (options.type) {
					case xBlufi.XBLUFI_TYPE.TYPE_STATUS_CONNECTED:
						that.connected = options.result
						if (!options.result) {
							console.log('小程序与设备异常断开')
						}
						break;
					case xBlufi.XBLUFI_TYPE.TYPE_CONNECT_ROUTER_RESULT:
						wx.hideLoading();
						if (this.connectTimeout) {
							clearTimeout(this.connectTimeout);
							this.connectTimeout = null;
						}
						if (!options.result)
							wx.showModal({
								title: '配网失败',
								content: '请检查:\n1、WiFi名和密码是否正确(可手动输入)；\n2、设备是否处于待配网状态。',
								showCancel: false,
							})
						else {
							if (options.data.progress == 100) {
								uni.setStorageSync(that.wifiSSID,that.wifiPWD)
								uni.navigateTo({
									url:'/pagesMy/wifiSuccess?pwtype='+this.type
								})
							}
						}
						break;
					case xBlufi.XBLUFI_TYPE.TYPE_RECIEVE_CUSTON_DATA:
						break;
					case xBlufi.XBLUFI_TYPE.TYPE_CONNECT_NEAR_ROUTER_LISTS:
						if(this.phoneType==='ios'){
							if (this.wifiListFetchTimeout) {
								clearTimeout(this.wifiListFetchTimeout);
								this.wifiListFetchTimeout = null;
							}
							wx.hideLoading();
							if ('' === options.data.SSID) break;
							if(!ssid_arry.includes(options.data.SSID)) ssid_arry.push(options.data.SSID)
							that.wifiList = ssid_arry;
							that.wifiListCache = [...ssid_arry]; // 缓存
							that.wifiSSID = that.wifiList[0];
							that.wifiPWD = uni.getStorageSync(that.wifiSSID)||'';
							that.isInitOK = true
						}
						break;
					case xBlufi.XBLUFI_TYPE.TYPE_INIT_ESP32_RESULT:
						if (this.initTimeout) {
							clearTimeout(this.initTimeout);
							this.initTimeout = null;
						}
						wx.hideLoading();
						if(this.phoneType==='ios'){
							if (options.result) {
								// 检查是否有缓存的Wi-Fi列表
								if (this.wifiListCache.length > 0) {
									this.wifiList = [...this.wifiListCache];
									this.wifiSSID = this.wifiList[0];
									this.wifiPWD = uni.getStorageSync(this.wifiSSID) || '';
									this.isInitOK = true;
								} else {
									xBlufi.notifySendGetNearRouterSsid()
									wx.showLoading({
										title: '获取周围WiFi列表...',
									})
									
									// 获取Wi-Fi列表超时处理
									this.wifiListFetchTimeout = setTimeout(() => {
										wx.hideLoading();
										wx.showModal({
											title: '温馨提示',
											content: '获取Wi-Fi列表超时，可手动输入WiFi和密码。',
											showCancel: false
										});
									}, 7000);
								}
							} else {
								that.connected = false
								wx.showModal({
									title: '温馨提示',
									content: '设备初始化失败，请返回上一页重试；若多次失败，请重启设备。',
									showCancel: false, //是否显示取消按钮
								})
							}
						}
						break;
				}
			},
			changePwd(){
				this.isPwd = !this.isPwd;
			},
			initWiFi(){
				// 如果有缓存直接使用
				if (this.wifiListCache?.length > 0) {
					this.wifiList = [...this.wifiListCache];
					return;
				}
				
				this.sxWiFi();
			},
			sxWiFi(){
				if(this.phoneType==='ios'){
					xBlufi.notifySendGetNearRouterSsid()
					wx.showLoading({
						title: '获取周围WiFi列表...',
					})
					
					// 获取Wi-Fi列表超时处理
					this.wifiListFetchTimeout = setTimeout(() => {
						wx.hideLoading();
						wx.showModal({
							title: '温馨提示',
							content: '获取Wi-Fi列表超时，可手动输入WiFi和密码。',
							showCancel: false
						});
					}, 7000);
				}else{
					wx.showLoading({title:'正在获取WiFi...'})
					this.wifiList = [];
					this.getWifiList();
				}
			},
			connectWifi(){
				let that = this;
				if(!this.wifiSSID) return this.$showToast('请选择Wi-Fi')
				if(!this.wifiPWD) return this.$showToast('请输入Wi-Fi密码')
				wx.showLoading({
					title: '正在配网...',
					mask: true
				})
				
				// 配网超时处理
				this.connectTimeout = setTimeout(() => {
					wx.hideLoading();
					wx.showModal({
						title: '配网超时',
						content: '请检查:\n1、WiFi名和密码是否正确(可手动输入)；\n2、设备是否处于待配网状态。',
						showCancel: false
					});
				}, 7000); 

				xBlufi.notifySendRouterSsidAndPassword({
					ssid: that.wifiSSID,
					password: that.wifiPWD
				})
			},
			toSelectWifi(){
				this.show = true;
				// // 打开弹窗时自动获取Wi-Fi列表（如果没有缓存）
				// if (this.wifiList.length === 0 && this.wifiListCache.length === 0) {
				// 	this.initWiFi();
				// } else if (this.wifiListCache.length > 0 && this.wifiList.length === 0) {
				// 	// 使用缓存
				// 	this.wifiList = [...this.wifiListCache];
				// }
			},
			selectWifi(item){
				this.wifiSSID = item;
				this.wifiPWD = uni.getStorageSync(item) || '';
				this.show = false;
				this.isInitOK = true
			},
			startSearchWifi() {
				wx.showLoading({title:'设备初始化获取WiFi中...'})
				this.wifiList = [];
				let that = this;
				uni.startWifi({
					success: (res) => {
						console.log('初始化WiFi模块成功', res);
						this.getWifiList();
					},
					fail: (err) => {
						wx.hideLoading();
						wx.showModal({
							title: '温馨提示',
							content: '初始化WiFi模块失败，请确保已打开手机WiFi。',
							showCancel: false,
							success: (res) => {
								if(res.confirm){
									that.startSearchWifi(); // 尝试重新初始化
								}
							}
						});
						console.error('startWifi fail:', err);
					}
				});
			},
			getWifiList() {
				let that = this;
				// 步骤 2: 监听获取到 WiFi 列表数据的事件
				uni.onGetWifiList((res) => {
					uni.hideLoading();
					let list = that.processWifiList(res.wifiList);
					that.wifiList = list.map(l=>l.SSID)?.filter(l=>l.indexOf('5G')<0);
					that.wifiListCache = [...that.wifiList];
					that.wifiSSID = that.wifiList[0];
					that.wifiPWD = uni.getStorageSync(that.wifiSSID)||'';
					that.isInitOK = true
				});
				uni.getWifiList({
					success: () => {
						console.log('获取WiFi列表请求成功');
					},
					fail: (err) => {
						console.error('getWifiList fail:', err);
					}
				});
			},
			processWifiList(list) {
				const uniqueList = [];
				const ssidMap = new Map();
				list.forEach(item => {
					if (item.SSID && !ssidMap.has(item.SSID)) {
						ssidMap.set(item.SSID, true);
						uniqueList.push(item);
					}
				});
				// 按信号强度降序排序
				return uniqueList.sort((a, b) => b.signalStrength - a.signalStrength);
			}
		}
	}
</script>

<style scoped lang="less">
	.page{
		padding: 0 40rpx 250rpx;
		box-sizing: border-box;
		background: #FFFFFF;
		&>.title{
			font-family: PingFang-SC, PingFang-SC;
			font-weight: bold;
			font-size: 36rpx;
			color: #111111;
			line-height: 36rpx;
			margin-top: 64rpx;
		}
		.items{
			margin-top: 188rpx;
			.item{
				margin-top: 80rpx;
				padding-bottom: 30rpx;
				border-bottom: 1rpx solid #E2E2E2;
				.il{
					width: calc(100% - 180rpx);
					input{
						border: none;
						font-family: PingFangSC, PingFang SC;
						font-weight: 400;
						font-size: 28rpx;
						color: #333333;
						line-height: 42rpx;
					}
				}
				.ir{
					width: 160rpx;
					height: 64rpx;
					background: #D9F159;
					border-radius: 32rpx;
					font-family: PingFang-SC, PingFang-SC;
					font-weight: bold;
					font-size: 26rpx;
					color: #252525;
					line-height: 64rpx;
					text-align: center;
				}
				.iimgs{
					image{
						width: 36rpx;
						height: 36rpx;
					}
				}
			}
		}
		.zt_btn{
			margin-top: 100rpx;
		}
		.memo{
			margin-top: 100rpx;
			.m_title{
				font-family: PingFangSC, PingFang SC;
				font-weight: 400;
				font-size: 26rpx;
				color: #111111;
				line-height: 40rpx;
			}
			.m_p{
				font-family: PingFangSC, PingFang SC;
				font-weight: 400;
				font-size: 24rpx;
				color: #7C8592;
				line-height: 54rpx;
				margin-top: 10rpx;
			}
		}
		.ph{
			color: #7C8592;
		}
	
		.wifis{
			width: 670rpx;
			max-height: 720rpx;
			overflow: hidden;
			padding-bottom: 20rpx;
			.top{
				margin-top: 14rpx;
				padding: 40rpx;
				border-bottom: 1rpx solid #E2E2E2;
				.tl{
					font-family: PingFang-SC, PingFang-SC;
					font-weight: bold;
					font-size: 36rpx;
					color: #111111;
					line-height: 36rpx;
				}
				.tr{
					image{
						width: 36rpx;
						height: 36rpx;
					}
					text{
						font-family: PingFangSC, PingFang SC;
						font-weight: 400;
						font-size: 32rpx;
						color: #7C8592;
						line-height: 36rpx;
						margin-left: 10rpx;
					}
				}
			}
			.list{
				height: 609rpx;
				overflow-y: auto;
				padding: 30rpx 40rpx;
				box-sizing: border-box;
				.item{
					width: 100%;
					height: 120rpx;
					border-radius: 16rpx;
					border: 1rpx solid #E2E2E2;
					margin-top: 20rpx;
					padding: 0 24rpx;
					box-sizing: border-box;
					&:first-child{
						margin-top: 0;
					}
					.il{
						width: calc(100% - 134rpx);
						image{
							width: 42rpx;
							height: 42rpx;
						}
						text{
							font-family: PingFangSC, PingFang SC;
							font-weight: 400;
							font-size: 30rpx;
							color: #252525;
							line-height: 30rpx;
							margin-left: 20rpx;
							width: calc(100% - 62rpx);
							overflow: hidden;
							text-overflow: ellipsis;
							white-space: nowrap;
						}
					}
					.ir{
						width: 114rpx;
						height: 60rpx;
						background: #D9F159;
						border-radius: 32rpx;
						font-family: PingFangSC, PingFang SC;
						font-weight: 400;
						font-size: 28rpx;
						color: #252525;
						line-height: 60rpx;
						text-align: center;
					}
				}
			}
		}
	}
</style>