<!-- 蓝色简洁登录页面 -->
<template>
	<view class="t-login">
		<!-- 页面装饰图片 -->
		<image class="img-a" src="https://zhoukaiwen.com/img/loginImg/2.png"></image>
		<image class="img-b" src="https://zhoukaiwen.com/img/loginImg/3.png"></image>
		<!-- 标题 -->
		<view class="t-b">{{ title }}</view>
		<!-- <view class="t-b2">欢迎使用，前端铺子样式组件</view> -->
		<form class="cl">
			<view class="t-a">
				<image src="https://zhoukaiwen.com/img/loginImg/sj.png"></image>
				<view class="line"></view>
				<input type="text" name="phone" placeholder="请填写账号" maxlength="11" v-model="tel" />
			</view>
			<view class="t-a">
				<image src="https://zhoukaiwen.com/img/loginImg/yz.png"></image>
				<view class="line"></view>
				<input name='password' type="password" v-model="password" placeholder="请填写密码" />
				<input type="text" name="code" maxlength="6" placeholder="请输入验证码" v-model="yzm" />
				<!-- <view v-if="showText" class="t-c" @tap="getCode()">发送短信</view> -->
				<view v-if="showText" class="t-c1" @tap="getImgCode()">
					<image :src="codeImg" mode="scaleToFill"></image>
				</view>
				<!-- <view v-else class="t-c" style="background-color: #A7A7A7;">重新发送({{ second }})</view> -->
			</view>
			<button @tap="onlogin()">登 录</button>
		</form>
		<!-- <view class="t-f"><text>————— 第三方账号登录 —————</text></view>
		<view class="t-e cl">
			<view class="t-g" @tap="wxLogin()"><image src="https://zhoukaiwen.com/img/loginImg/wx.png"></image></view>
			<view class="t-g" @tap="zfbLogin()"><image src="https://zhoukaiwen.com/img/loginImg/qq.png"></image></view>
		</view> -->
	</view>
</template>
<script>
		import { setUserInfo,setToken, getToken } from "@/utils/auth";
		import { getCode, login} from '@/api/index.js'
		const app = getApp()
export default {

	data() {
		return {
			title: '能辉在线订货系统', //填写logo或者app名称，也可以用：欢迎回来，看您需求
			second: 60, //默认60秒
			showText: true, //判断短信是否发送
			phone: '', //手机号码
			yzm: '', //验证码
			password: '',
			
			isCanUse: uni.getStorageSync('isCanUse'),
			nickName: '',
			avatarUrl: '',
			bgImg: ['https://6d61-matchbox-79a395-1302390714.tcb.qcloud.la/matchbox/img_flower_4.jpg', 'https://6d61-matchbox-79a395-1302390714.tcb.qcloud.la/matchbox/img_flower_1.jpg', 'https://6d61-matchbox-79a395-1302390714.tcb.qcloud.la/matchbox/img_flower_3.jpg', 'https://6d61-matchbox-79a395-1302390714.tcb.qcloud.la/matchbox/img_flower_2.jpg'],
			imgTime: '',
			imgIndex: 0,
			codeName: '验证码',
			isCode: true,
			tel:'',
			smscode:'123456',
			codeImg: '',
			status: '',
			currentTime: new Date().getTime()
		};
	},
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
	  this.status = options.status
    // #ifdef MP-WEIXIN
    this.wxlogin(); //小程序获取用户code
    // #endif

  },
  onShow: function () {
	  if (getToken()) {
		  uni.reLaunch({
		  	url: '/pages/views/tabBar/category'
		  })
		  return
	  }
    this.setbImg();  //动态切换背景
	this.getImgCode()
  },
  
  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {
    clearInterval(this.imgTime);
  },
  
  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {
    clearInterval(this.imgTime);
  },
  
	methods: {
		getImgCode() {
			this.currentTime = new Date().getTime()
			getCode(this.currentTime).then( res => {
				this.codeImg = res.result
			})
		},
		getUserInfo() {
		  console.log('点了');
		  let _this = this;
		  uni.getUserInfo({
		    provider: 'weixin',
		    success: function (infoRes) {
		      console.log(infoRes);
		      _this.setData({
		        nickName: infoRes.userInfo.nickName,
		        //昵称
		        avatarUrl: infoRes.userInfo.avatarUrl //头像
		      });
			  let date = new Date().getTime()
			  setToken(date)  //模拟存储token
		      setUserInfo(infoRes.userInfo);  //模拟存储用户信息
		      try {
		        uni.setStorageSync('isCanUse', 1); //记录是否第一次授权  false:表示不是第一次授权
		        uni.switchTab({
		          url: '/pages/views/tabBar/home'
		        });
		      } catch (e) {
		        console.log('缓存失败');
		      }
		    },
		
		    fail(res) {}
		
		  });
		},
		
		setbImg() {
		  clearInterval(this.imgTime);
		  let that = this;
		  console.log('执行了');
		  let imgTime = setInterval(() => {
		    let imgIndex = that.imgIndex + 1;
		    if (imgIndex >= that.bgImg.length) {
		      imgIndex = 0;
		    }
		    that.setData({
		      imgIndex: imgIndex
		    });
		  }, 15000);
		  this.setData({
		    imgTime: imgTime
		  });
		},
		onlogin(){ //登录 模拟存储token
			
			if (!this.tel || !this.password || !this.yzm) {
				uni.showToast({
					icon:'none',
					title: '填写信息'
				})
				return
			}
			const params = {
				"username": this.tel,
				"password": this.password,
				"captcha": this.yzm,
				"checkKey": this.currentTime,
				"remember_me": true
			}
			uni.showLoading({
				title:'登录中...'
			})
			login(params).then(res => {
				const result = res.result
				if (result) {
					setToken(result.token)
					setUserInfo(result.userInfo)
					uni.showToast({
						title:'登陆成功'
					})
					const paths = getCurrentPages()
					uni.reLaunch({
						url: '/pages/views/tabBar/category'
					})
					// if (this.status) {
						
					// }
					// uni.navigateBack(-1)
				} else {
						uni.hideLoading()
						uni.showToast({
							title:res.message,
							icon: 'none'
						})
				}
				
			}).catch((e) => {
				uni.hideLoading()
				uni.showToast({
					title:e.message,
					icon: 'none'
				})
			})
			
			
		},
		getCode() { //获取用户短信验证码
			if(this.isCode == false){
				return
			}
			if (this.tel == '') {
				uni.showToast({
					title: '请输入手机号',
					icon: 'none'
				})
				return
			}
			if (!/^1(3|4|5|6|7|8|9)\d{9}$/.test(this.tel)) {
				uni.showToast({
					title: '请填写正确手机号码',
					icon: 'none'
				});
				return false;
			}
			this.getPhoneCode()
		},
		getPhoneCode() {
			let timer = ''
			let date = 120
			let that = this
			if (that.isCode == true) {
				uni.showToast({
					title: '验证码发送成功~',
					icon: 'none'
				})
				clearInterval(timer)
				setInterval(() => {
					if (date >= 1) {
						date--
						that.codeName = date + '秒重试'
						that.isCode = false
					} else {
						that.isCode = true
						that.codeName = '验证码'
						clearInterval(timer)
					}
				}, 1000)
			}
		},
		wxlogin() {
		  // 1.wx获取登录用户code
		  uni.login({
		    provider: 'weixin',
		    success: function (loginRes) {
		      console.log('这是用户的code', loginRes);
		    }
		  });
		},
		onAuthorize(){ //微信公众号授权登录
			uni.showToast({
				title:'对接你的公众号登录方法',
				icon:"none"
			})
		},
		
		
		//当前登录按钮操作
		login() {
			
			
			let date = new Date().getTime()
			setToken(date)
			let user = {  //模拟存储用户信息
				avatarUrl: '/static/images/face.jpg',
				nickName: '用户2020'
			}
			setUserInfo(user)
			
			uni.showLoading({
				title:'登录中...'
			})
			setTimeout(()=>{
				uni.hideLoading()
				uni.showToast({
					title:'登陆成功'
				})
			}, 500)
			setTimeout(()=>{
				uni.navigateBack(-1)
			},1500)
			var that = this;
			if (!that.phone) {
				uni.showToast({ title: '请输入手机号', icon: 'none' });
				return;
			}
			if (!/^[1][3,4,5,7,8,9][0-9]{9}$/.test(that.phone)) {
				uni.showToast({ title: '请输入正确手机号', icon: 'none' });
				return;
			}
			if (!that.yzm) {
				uni.showToast({ title: '请输入验证码', icon: 'none' });
				return;
			}
			//....此处省略，这里需要调用后台验证一下验证码是否正确，根据您的需求来
			uni.showToast({ title: '登录成功！', icon: 'none' });
		},
		//获取短信验证码
		getCode() {
			var that = this;
			var interval = setInterval(() => {
				that.showText = false;
				var times = that.second - 1;
				//that.second = times<10?'0'+times:times ;//小于10秒补 0
				that.second = times;
				console.log(times);
			}, 1000);
			setTimeout(() => {
				clearInterval(interval);
				that.second = 60;
				that.showText = true;
			}, 60000);
			//这里请求后台获取短信验证码
			uni.request({
				//......//此处省略
				success: function(res) {
					that.showText = false;
				}
			});
		},
		//等三方微信登录
		wxLogin() {
			uni.showToast({ title: '微信登录', icon: 'none' });
		},
		//第三方支付宝登录
		zfbLogin() {
			uni.showToast({ title: '支付宝登录', icon: 'none' });
		}
	}
};
</script>
<style>
.img-a {
	position: absolute;
	width: 100%;
	top: -150rpx;
	right: 0;
}
.img-b {
	position: absolute;
	width: 50%;
	bottom: 0;
	left: -50rpx;
	/* margin-bottom: -200rpx; */
}
.t-login {
	width: 650rpx;
	margin: 0 auto;
	font-size: 28rpx;
	color: #000;
}

.t-login button {
	font-size: 28rpx;
	background: #5677fc;
	color: #fff;
	height: 90rpx;
	line-height: 90rpx;
	border-radius: 50rpx;
	box-shadow: 0 5px 7px 0 rgba(86, 119, 252, 0.2);
}

.t-login input {
	padding: 0 20rpx 0 120rpx;
	height: 90rpx;
	line-height: 90rpx;
	margin-bottom: 50rpx;
	background: #f8f7fc;
	border: 1px solid #e9e9e9;
	font-size: 28rpx;
	border-radius: 50rpx;
}

.t-login .t-a {
	position: relative;
}

.t-login .t-a image {
	width: 40rpx;
	height: 40rpx;
	position: absolute;
	left: 40rpx;
	top: 28rpx;
	/* border-right: 2rpx solid #dedede; */
	margin-right: 20rpx;
}
.t-login .t-a .line{
	width: 2rpx;
	height: 40rpx;
	background-color: #dedede;
	position: absolute;
	top: 28rpx;
	left: 98rpx;
}

.t-login .t-b {
	text-align: left;
	font-size: 46rpx;
	color: #000;
	padding: 300rpx 0 30rpx 0;
	font-weight: bold;
}
.t-login .t-b2 {
	text-align: left;
	font-size: 32rpx;
	color: #aaaaaa;
	padding: 0rpx 0 120rpx 0;
}

.t-login .t-c {
	position: absolute;
	right: 22rpx;
	top: 160rpx;
	background: #5677fc;
	color: #fff;
	font-size: 24rpx;
	border-radius: 50rpx;
	height: 50rpx;
	line-height: 50rpx;
	padding: 0 25rpx;
}
.t-login .t-c1 {
	position: absolute;
	right: 10rpx;
	top: 148rpx;
	width: 160rpx;
	height: 80rpx;
	color: #fff;
	font-size: 24rpx;
	
	
}
.t-login .t-c1 image {
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	border-radius: 50upx;
}
.t-login .t-d {
	text-align: center;
	color: #999;
	margin: 80rpx 0;
}

.t-login .t-e {
	text-align: center;
	width: 250rpx;
	margin: 80rpx auto 0;
}

.t-login .t-g {
	float: left;
	width: 50%;
}

.t-login .t-e image {
	width: 50rpx;
	height: 50rpx;
}

.t-login .t-f {
	text-align: center;
	margin: 200rpx 0 0 0;
	color: #666;
}

.t-login .t-f text {
	margin-left: 20rpx;
	color: #aaaaaa;
	font-size: 27rpx;
}

.t-login .uni-input-placeholder {
	color: #000;
}

.cl {
	zoom: 1;
}

.cl:after {
	clear: both;
	display: block;
	visibility: hidden;
	height: 0;
	content: '\20';
}
</style>
