<template>
  <div class="login-container">
    <div class="new-login">
      <div class="new-login-l">
        <img src="@/assets/images/nlogo1.png" alt="" class="new-login-l-t">
        <img src="@/assets/images/nlogo2.png" alt="" class="new-login-l-b">
      </div>
      <div class="new-login-r">
        <div class="title">用户登录</div>
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">
          <el-form-item prop="username">
            <span class="svg-container">
              <svg-icon icon-class="user" />
            </span>
            <el-input ref="username" v-model="loginForm.username" placeholder="用户名" name="username" type="text" tabindex="1" auto-complete="on" />
          </el-form-item>

          <el-form-item prop="password" class="password">
            <span class="svg-container">
              <svg-icon icon-class="password" />
            </span>
            <el-input :key="passwordType" ref="password" v-model="loginForm.password" :type="passwordType" placeholder="密码" name="password" tabindex="2" 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-form-item prop="password" class="rememberPassword">
            <input id="remember-password-checkbox" v-model="rememberPassword" type="checkbox" value="remember-me" @click="doRememberPassword($event)">
            <span for="remember-password-checkbox">
              记住密码
            </span>
            </input>
          </el-form-item>
        </el-form>
        <el-button type="text" :loading="loading" class="btn" @click.native.prevent="handleLogin">登录</el-button>
      </div>
    </div>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import Cookies from 'js-cookie'
import { getToken } from '@/utils/auth'
export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(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('密码不能少于6个字符'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: '',
        password: ''
      },
      loginRules: {
        username: [
          { required: true, trigger: 'blur', validator: validateUsername }
        ],
        password: [
          { required: true, trigger: 'blur', validator: validatePassword }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined,
      rememberPassword: ''
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    var that = this
    document.onkeydown = function(e) {
      e = window.event || e
      // eslint-disable-next-line eqeqeq
      if (that.$route.path == '/login' && (e.code == 'Enter' || e.code == 'Num Enter')) { // 验证在登录界面和按得键是回车键enter
        that.handleLogin('ruleForm2') // 登录函数 （handleSubmit2('ruleForm2')-登录按钮的点击事件）
      }
    }
  },
  mounted: function() {
    // 读取cookie中的账号信息，如果有accountInfo的话，则说明该用户之前勾选了记住密码的功能，则需要自动填上账号密码
    this.loadAccountInfo()
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      var rememberStatus = this.rememberPassword
      var accountInfo = this.loginForm.username + '&' + this.loginForm.password
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store
            .dispatch('user/login', this.loginForm).then(() => {
              if (rememberStatus) {
                console.log('勾选了记住密码，现在开始写入cookie')
                Cookies.set('accountInfo', accountInfo, 1440 * 3)
              } else {
                console.log('没有勾选记住密码，现在开始删除账号cookie')
                Cookies.remove('accountInfo')
              }

              // 若为本地环境 则手写cookie
              if (window.location.href.indexOf('localhost') != -1) {
                Cookies.set('token', getToken(), 1440)
              }
              this.$router.push({ path: this.redirect || '/' })
              this.loading = false
            })
            .catch(() => {
              this.loading = false
            })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    doRememberPassword() {
      const rememberStatus = this.rememberPassword
      this.rememberPassword = !rememberStatus
    },
    loadAccountInfo: function() {
      const _this = this
      // zhaopeng&A15hOsu8YeGnCsjb
      const accountInfo = Cookies.get('accountInfo')
      // 如果cookie里没有账号信息
      if (Boolean(accountInfo) == false) {
        console.log('cookie中没有检测到账号信息！')
        return false
      } else {
        // 如果cookie里有账号信息
        console.log('cookie中检测到账号信息！现在开始预填写！')
        let userName = ''
        let passWord = ''
        const index = accountInfo.indexOf('&')

        userName = accountInfo.substring(0, index)
        passWord = accountInfo.substring(index + 1)
        // this.loginForm.username + '&' + this.loginForm.password
        _this.loginForm.username = userName
        _this.loginForm.password = passWord
        _this.rememberPassword = true
      }
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

// $bg: #283443;
// $light_gray: #fff;
// $cursor: #fff;
// 更改
$bg: #ccc;
$light_gray: #ccc;
$cursor: #000;
@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    // height: 38px;
    width: 80%;

    input {
      background: #fff;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 5px 5px 5px 15px;
      color: #000;
      height: 16.7%;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }
  .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      // background: rgba(0, 0, 0, 0.2);
      background: #fff;
      border-radius: 5px;
      color: #999;
      width: 73%;
      height: 16%;
      margin: 10px auto;
      .el-form-item__content {
        line-height: 16%;
        border-bottom: 1px solid #e7e7e7;
      }

    }
    .rememberPassword{
      .el-form-item__content {
        line-height:16%;
        border: none;
        span{padding-left: 5px;}
      }

    }
    .password{
      margin-top: 20px;margin-bottom: 15px;
    }
    // .el-form{background-color: red;}
    .btn{
      position: relative;
      width: 520px;
      max-width: 100%;
      overflow: hidden;
    }
    .btn  span{width:72%;background:#01996a;border: #01996a;border-radius: 5px;line-height: 40px; text-align: center;color:#fff; margin: 0 auto;display: block;}

  }

</style>

<style>

.login-container .el-input input:-webkit-autofill, textarea:-webkit-autofill, select:-webkit-autofill {
    -webkit-box-shadow: 0 0 0px 1000px #fff inset !important;
    box-shadow: 0 0 0px 1000px #fff inset !important;
    -webkit-text-fill-color: #000 !important;
}

</style>
<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #999;
$light_gray: #000;

.login-container {
  min-height: 100%;
  width: 100%;
  height: 100%;
  position: relative;
  background: url("../../assets/images/nlogin-bg.png") no-repeat;
  background-size:100%;
  overflow: hidden;
  .login {
    border-radius: 5%;
    padding: 30px;
    background: rgba(0,0,0,0.4);
    width: 380px;
    height: 340px;
    position: relative;
    top: 50%;
    left: 50%;
    margin-left: -190px;
    margin-top: -270px;
    box-shadow:0px 0px 10px #fff;
    .login-form {
      margin-top: 60px;
      position: relative;
      width: 520px;
      max-width: 100%;
      overflow: hidden;
    }

    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;

      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }

    .svg-container {
      padding: 6px 5px 6px 15px;
      color: $dark_gray;
      vertical-align: middle;
      width: 30px;
      display: inline-block;
    }

      .title {
        font-size: 26px;
        color: $light_gray;
        margin: 0px auto 0 auto;
        text-align: center;
        font-weight: bold;
      }
      b {
        text-align: center;
        font: 14px/2 "";
      }

    .show-pwd {
      position: absolute;
      right: 10px;
      top: 7px;
      font-size: 16px;
      color: $dark_gray;
      cursor: pointer;
      user-select: none;
    }

    .kpt{text-align: center;color: #fff;display: inline-block;width: 100%;font:12px/18px '';}
  }
}
</style>
<style lang="scss" scoped>
  .login-container {
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    .new-login{
      width: 57%;
      height: 43%;
      display: flex;
      .new-login-l{
        flex: 1 1;
        width: 50%;
        background:  url("../../assets/images/nlogin-bg2.png") no-repeat;
        position: relative;
        .new-login-l-t{
          width: 34%;
          height: 13%;
          position: absolute;
          top: 36%;
          left: 32%;
          right: 0;
          bottom: 0;
        }
        .new-login-l-b{
          position: absolute;
          // 138,263
          width: 40%;
          // height: 5%;
          top: 56%;
          left: 30%;
          // right: 0;
          // bottom: 0;
        }
      }
      .new-login-r{
        flex: 1 1;
        width: 50%;
        background:  url("../../assets/images/nlogin-bg3.png") no-repeat;
        position: relative;
        .title{
          text-align: center;
          // font-size: 6%;
          font-size: 26px;
          font-weight: 700;
          color: #01996a;
          padding-top: 10%;
          padding-bottom: 3%;
        }
        .btn {position: absolute;bottom: 10%;}
      }
    }
  }
</style>