<template>
  <div class="login" :style="'background-image:url('+ Background +');'">
    <div class="logo-place">
      <div class="logo-title">恒源矿业二道庄矿区智慧矿山</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" scoped>
.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>
