<template>
  <div class="login">
    <index-bg />
    <div class="loginBox">
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" label-position="left" label-width="0px" class="login-form">
        <h3 class="title" style="position: relative">会员卡查询系统<span style="color: #fff;z-index: 999;font-size: 12px;position: absolute;top: 4px;right: 10px" /></h3>
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" :validate-event="false" class="login-input" type="text" size="mini" placeholder="账号" style="width: 400px;">
            <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" :validate-event="false" class="login-input" type="password" size="mini" placeholder="密码" style="width: 400px;" @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" :validate-event="false" class="login-input" placeholder="验证码" size="mini" style="width: 65%" @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>
        <el-checkbox v-model="loginForm.rememberMe" style="margin:0 0 25px 0;">
          记住我
        </el-checkbox>
        <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>
    <!--  底部  -->
    <div v-if="$store.state.settings.showFooter" id="el-login-footer">
      <span v-html="$store.state.settings.footerTxt" />
      <span> ⋅ </span>
      <a href="http://www.beian.miit.gov.cn" target="_blank">{{ $store.state.settings.caseNumber }}</a>
    </div>
  </div>
</template>

<script>
// import { encrypt } from '@/utils/rsaEncrypt'
import Config from '@/settings'
import { getCodeImg } from '@/api/login'
import Cookies from 'js-cookie'
// import qs from 'qs'
// import Background from '@/assets/images/background.jpg'
import IndexBg from '@/components/bg/index'
export default {
  name: 'Login',
  components: { IndexBg },
  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: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    // 获取验证码
    this.getCode()
    // 获取用户名密码等Cookie
    this.getCookie()
    // token 过期提示
    this.point()
  },
  methods: {
    clickLink() {
      window.open('http://xk.scview.net')
    },
    getCode() {
      getCodeImg().then(res => {
        this.codeUrl = res.img
        this.loginForm.uuid = res.uuid
      })
    },
    getCookie() {
      const username = Cookies.get('username')
      let password = Cookies.get('password')
      const rememberMe = Cookies.get('rememberMe')
      // 保存cookie里面的加密后的密码
      this.cookiePass = password === undefined ? '' : password
      password = password === undefined ? this.loginForm.password : password
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password,
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
        code: ''
      }
    },
    handleLogin() {
      this.$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.$store.dispatch('Login', user).then(() => {
            this.loading = false
            this.$router.push({ path: this.redirect || '/' })
          }).catch(() => {
            this.loading = false
            this.getCode()
          })
        } 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">
.loginBox {
  z-index: 9;
  margin: auto;
  padding: 40px 20px;
  height: 531px;
  /*border: 1px solid #3873BC;*/
  /*background-color: rgba(10, 27, 55, 0.8);*/
  background-image:url('../assets/bg/bg.png');
  position: relative;
  /*border-radius: 8px;*/
}
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-color: #122547;
  /*background-image: url(/src/assets/bg/bg-2.jpg);*/
  /*background-size: cover;*/
}
.title {
  margin: 0px auto 50px auto;
  font-size: 2.2rem;
  font-weight: normal;
  text-align: center;
  color: #ffffff;
}
.login-input .el-input__inner {
  background-color: rgba(0,0,0,0.20);
  border: none;
  border-radius: 6px;
  font-size: 16px;
  color: #ffffff;
  padding-left: 60px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}
.login-input .el-input__inner:focus {
  color: #fff;
}
.login-form {
  position: relative;
  /*left: 15%;*/
  z-index: 1001;
  border-radius: 6px;
  background-color: transparent;
  width: 450px;
  margin-top: 10px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 44px;
    input {
      height: 44px;
    }
  }
  .input-icon{
    height: 44px;
    width: 25px;
    margin-left: 16px;
    margin-right: 16px;
    color: #1389de;
  }
}
.el-input__inner {
  &::placeholder {
    color: #707C90;
  }

  &::-webkit-input-placeholder {
    /* WebKit browsers 适配谷歌 */
    color: #707C90;
  }

  &:-moz-placeholder {
    /* Mozilla Firefox 4 to 18 适配火狐 */
    color: #707C90;
  }

  &::-moz-placeholder {
    /* Mozilla Firefox 19+ 适配火狐 */
    color: #707C90;
  }

  &:-ms-input-placeholder {
    /* Internet Explorer 10+  适配ie*/
    color: #707C90;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 31%;
  display: inline-block;
  border-radius: 6px;
  overflow: hidden;
  box-sizing: content-box;
  float: right;
  img{
    height: 40px;
    bottom: 12px;
    cursor: pointer;
    vertical-align:middle;
  }
}
</style>