<template>
	<div class="login" :style="'background-image:url('+ Background +');'">
		<div class="logo-place">
			<div class="logo-title">卡车调度系统</div>
			<div class="ctn-place">
				<div class="inbox-range">
					<div class="ctn-fix">
						<el-form ref="loginForm" :model="loginForm" :rules="loginRules" label-position="left" label-width="0px" class="login-form">
						  <h3 class="title">登录</h3>
						  <el-form-item prop="username">
							<el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
							  <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
							</el-input>
						  </el-form-item>
						  <el-form-item prop="password">
							<el-input v-model="loginForm.password" type="password" auto-complete="off" placeholder="密码" @keyup.enter.native="handleLogin">
							  <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
							</el-input>
						  </el-form-item>
						  <!-- <el-form-item prop="code">
							<el-input v-model="loginForm.code" auto-complete="off" placeholder="验证码" style="width: 63%" @keyup.enter.native="handleLogin">
							  <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
							</el-input>
							<div class="login-code">
							  <img :src="codeUrl" @click="getCode">
							</div>
						  </el-form-item> -->
						  <div style="font-size:13px;display:flex;">
								<div style="flex:1;">
									<el-checkbox v-model="loginForm.rememberMe" style="margin:0 0 25px 0;">记住我</el-checkbox>
								</div>
								<!-- <div style="flex:1;text-align:right;color:#01d6fe;">
                  <router-link :to="{path:'/register'}">去注册</router-link>
								</div> -->
						  </div>
						  <el-form-item style="width:100%;">
							<el-button :loading="loading" size="medium" type="primary" style="width:100%;" @click.native.prevent="handleLogin">
							  <span v-if="!loading">登 录</span>
							  <span v-else>登 录 中...</span>
							</el-button>
						  </el-form-item>
						</el-form>
					</div>
				</div>
			</div>
		</div>
		<!--  底部  -->
		<div v-if="$store.state.settings.showFooter" id="el-login-footer">
		  <span v-html="$store.state.settings.footerTxt" />
		  <span> ⋅ </span>
		  <a href="https://beian.miit.gov.cn" target="_blank">{{ $store.state.settings.caseNumber }}</a>
		</div>
	</div>
</template>

<script>
import Config from '@/settings'
import { getCodeImg } from '@/api/login'
import Cookies from 'js-cookie'
import qs from 'qs'
import Background from '@/assets/images/background.png';
import { encrypt } from '@/utils/rsaEncrypt'

export default {
  name: 'Login',
  data() {
    return {
      Background: Background,
      codeUrl: '',
      cookiePass: '',
      loginForm: {
        username: '',
        password: '',
        rememberMe: false,
        code: '',
        uuid: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', message: '用户名不能为空' }],
        password: [{ required: true, trigger: 'blur', message: '密码不能为空' }],
        code: [{ required: true, trigger: 'change', message: '验证码不能为空' }]
      },
      loading: false,
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        const data = route.query
        if (data && data.redirect) {
          this.redirect = data.redirect
          delete data.redirect
          if (JSON.stringify(data) !== '{}') {
            this.redirect = this.redirect + '&' + qs.stringify(data, { indices: false })
          }
        }
      },
      immediate: true
    }
  },
  created() {
    // 获取验证码
    // this.getCode()
    // 获取用户名密码等Cookie
    this.getCookie()
    // token 过期提示
    this.point()
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.codeUrl = res.img
        this.loginForm.uuid = res.uuid
      })
    },
    getCookie() {
      const username = Cookies.get('username')
      let password = Cookies.get('password')
      const rememberMe = Cookies.get('rememberMe')
      // 保存cookie里面的加密后的密码
      this.cookiePass = password === undefined ? '' : password
      password = password === undefined ? this.loginForm.password : password
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password,
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
        code: ''
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        const user = {
          username: this.loginForm.username,
          password: this.loginForm.password,
          rememberMe: this.loginForm.rememberMe,
          //code: this.loginForm.code,
          uuid: this.loginForm.uuid
        }
        if (user.password !== this.cookiePass) {
			user.password = encrypt(user.password);
        };

        if (valid) {
          this.loading = true
          if (user.rememberMe) {
            Cookies.set('username', user.username, { expires: Config.passCookieExpires })
            Cookies.set('password', user.password, { expires: Config.passCookieExpires })
            Cookies.set('rememberMe', user.rememberMe, { expires: Config.passCookieExpires })
          } else {
            Cookies.remove('username')
            Cookies.remove('password')
            Cookies.remove('rememberMe')
          }
          this.$store.dispatch('Login', user).then((res) => {
			    this.loading = false;
			    this.$router.push({ path: this.redirect || '/MLargeScreen/index' })
            }).catch((err) => {
              this.loading = false
              console.log(err);
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    point() {
      const point = Cookies.get('point') !== undefined
      if (point) {
        this.$notify({
          title: '提示',
          message: '当前登录状态已过期，请重新登录！',
          type: 'warning',
          duration: 5000
        })
        Cookies.remove('point')
      }
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss" scope>
	.login {
		display:flex;
		justify-content: center;
		align-items: center;
		height:100%;
		background-size:cover;
		position:relative;

		.logo-place{position:absolute;top:26.018vh;left:49.843vw;width:40.937vw;justify-content:center;}
		.ctn-place{
			flex:1;display:flex;width:24.166vw;max-width:400px;margin:4.537vh auto 0;
			background:no-repeat top center url('~@/assets/images/layout/login_banel.png');background-size:100% 100%;

			.inbox-range{flex:1;margin:4.629vh 2.604vw;}

			.login-form {
				.el-input {
					height: 38px;
					input {
						height: 38px;
					}
				}
				.input-icon{
					height: 39px;width: 14px;margin-left: 2px;
				}

				.el-form-item:last-child{margin-bottom:0}

				.title {
					margin: 0 auto 2.222vh;
					text-align: center;
					color: #01d6fe;
					letter-spacing: 8px;
					text-indent: 4px;
				}

				.el-input input{background-color:#1042a1 !important;color:#fff;border-color:#085fa2;}
			}
		}
		
		.logo-title{
			color:#fff;font-size:5.448vh;text-align:center;cursor:default;
		}
	}
	

	.login-code {
		width: 33%;
		display: inline-block;
		height: 38px;
		float: right;
		img{
		  cursor: pointer;
		  vertical-align:middle
		}
	}
</style>
