<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">
      <h3 class="title">登录系统</h3>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
          帐号
        </span>
        <el-input
          v-model="loginForm.username"
          :placeholder="$t('login.username')"
          name="username"
          type="text"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
          密码
        </span>
        <el-input
          v-model="loginForm.password"
          :type="passwordType"
          :placeholder="$t('login.password')"
          name="password"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>
      <el-button :loading="loading" type="primary" style="width:100%;" @click.native.prevent="handleLogin">
        {{ $t('login.logIn') }}
      </el-button>

    </el-form>
  </div>
</template>

<script>
export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        username: '',
        password: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur' }],
        password: [{ required: true, trigger: 'blur' }]
      },
      passwordType: 'password',
      loading: false,
      showDialog: false,
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    // window.addEventListener('hashchange', this.afterQRScan)
  },
  destroyed() {
    // window.removeEventListener('hashchange', this.afterQRScan)
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('LoginByUsername', this.loginForm).then(() => {
            this.loading = false
            this.$router.push({ path: this.redirect || '/' })
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style scoped>
  .login-form {
    position: absolute;
    left: 0;
    right: 0;
    width: 520px;
    padding: 35px 35px 15px 35px;
    margin: 120px auto;
  }

  .title {
    font-size: 26px;
    font-weight: 400;
    margin: 0px auto 40px auto;
    text-align: center;
    font-weight: bold;
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    cursor: pointer;
    user-select: none;
  }
  .blueText {
    color: #409EFF;
  }
  .checklicense {
    width:30px;
    height: 30px;
  }

  /* .bg {
    width: 100%;
    height: 1000px;
    background-position: center center;
    background-repeat: no-repeat;
    background-image: url(../../assets/bg.jpg);
    background-size: contain
  }*/

</style>
