<template>
  <div class="login-container">
    <el-form class="card-box login-form" autoComplete="on" :model="loginForm" :rules="loginRules" ref="loginForm" label-position="left">
      <h3 class="title">系统登录</h3>

      <el-form-item prop="username">
        <span class="svg-container svg-container_login">
          <icon-svg icon-class="user" />
        </span>
        <el-input name="username" type="text" v-model="loginForm.username" autoComplete="on" placeholder="账号" />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <icon-svg icon-class="password" />
        </span>
        <el-input name="password" :type="pwdType" @keyup.enter.native="handleLogin" v-model="loginForm.password" autoComplete="on" placeholder="密码" />
        <span class='show-pwd' @click='showPwd'>
          <icon-svg icon-class="eye" />
        </span>
      </el-form-item>

      <el-button type="primary" style="width:100%;margin-bottom:30px;" :loading="loading" @click.native.prevent="handleLogin">登录</el-button>
     <!--  <el-button type="primary" style="width:100%;margin-bottom:30px;" :loading="loading" @click.native.prevent="changeLangEvent">changeLanguage</el-button> -->
    </el-form>
  </div>
</template>

<script>
import { isvalidUsername } from '@/utils/validate'
import storage from '@/utils/storage'

export default {
  name: 'login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!isvalidUsername(value)) {
        callback(new Error('请输入正确的用户名'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码不能小于6位'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: '',
        password: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      pwdType: 'password',
      loading: false
    }
  },
  created() {
    storage.set('menus', [])
  },
  methods: {
    /**
     * 切换密码/明文
     */
    showPwd() {
      if (this.pwdType === 'password') {
        this.pwdType = ''
      } else {
        this.pwdType = 'password'
      }
    },

    /* changeLangEvent() {
      this.$confirm('确定切换语言吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        if (this.lang === 'zh') {
          this.lang = 'en'
          this.$i18n.locale = this.lang// 关键语句
        } else {
          this.lang = 'zh'
          this.$i18n.locale = this.lang// 关键语句
        }
      }).catch(() => {
        this.$message({
          type: 'info'
        })
      })
    }, */

    /**
     * 登录
     */
    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: '/dashboard/index' })
            location.reload()
          }).catch(error => {
            console.info(error.message)
            this.loading = false
          })
        } else {
          return false
        }
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
@import "src/styles/mixin.scss";
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  @include relative;
  height: 100vh;
  background-color: $bg;
  input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0px 1000px #293444 inset !important;
    -webkit-text-fill-color: #fff !important;
  }
  input {
    background: transparent;
    border: 0px;
    -webkit-appearance: none;
    border-radius: 0px;
    padding: 12px 5px 12px 15px;
    color: $light_gray;
    height: 47px;
  }
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
  }
  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;
  }
  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
    &_login {
      font-size: 20px;
    }
  }
  .title {
    font-size: 26px;
    font-weight: 400;
    color: $light_gray;
    margin: 0px auto 40px auto;
    text-align: center;
    font-weight: bold;
  }
  .login-form {
    position: absolute;
    left: 0;
    right: 0;
    width: 400px;
    padding: 35px 35px 15px 35px;
    margin: 120px auto;
  }
  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
  }
  .thirdparty-button {
    position: absolute;
    right: 35px;
    bottom: 28px;
  }
}
</style>
