<template>
  <div class="login-container">
    <div class="login-background" :style="{backgroundImage: 'url(' + (coverImgUrl ? coverImgUrl : baseImg) + ')', backgroundSize:'100% 100%', backgroundRepeat: 'no-repeat'}">
      <div class="login-background-container">
        <div class="back-title">
          Wel<span>come</span>
          <p><span class="back-title-point" />{{ $t('brand.lg') }}</p>
        </div>
        <img :src="require('../../assets/img/login.gif')" style="width: 90%; margin-left: 5%" alt="">
      </div>
    </div>
    <el-form ref="dataForm" :model="dataForm" :rules="dataRule" class="login-form" autocomplete="on" label-position="left" @keyup.enter.native="dataFormSubmitHandle()">

      <div class="title-container">
        <h3 class="title" :title="$t('brand.lg')">
          <img src="../../assets/img/cnbm.png" style="width: 1em; height: 1em; position: relative; top: 0em; margin-right: 12px" alt="">
          {{ $t('brand.lg') }}
        </h3>
      </div>

      <el-form-item prop="username" style="margin: 0px 8.3%">
        <el-input
          ref="username"
          v-model="dataForm.username"
          :placeholder="$t('login.username')"
          name="username"
          type="text"
          tabindex="1"
          autocomplete="on"
        />
      </el-form-item>

      <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
        <el-form-item prop="password" style="margin: 8px 8.3%">
          <el-input
            :key="passwordType"
            ref="password"
            v-model="dataForm.password"
            :type="passwordType"
            :placeholder="$t('login.password')"
            name="password"
            tabindex="2"
            autocomplete="on"
            @keyup.native="checkCapslock"
            @blur="capsTooltip = false"
            @keyup.enter.native="dataFormSubmitHandle()"
          />
          <span class="show-pwd" @click="showPwd">
            <svg-icon :icon-class="passwordType === 'password' ? 'eye-open' : 'eye'" />
          </span>
        </el-form-item>
      </el-tooltip>

      <!-- <lang-select class="login-language" /> -->

      <el-button :loading="loading" type="primary" style="width: 83.4%; height: 6vh; background-color: #0B58FF; margin: 0px 8.3%; margin-top: 5vh" @click="dataFormSubmitHandle()">
        {{ $t('login.title') }}
      </el-button>
      <el-row class="login-footer">
        <el-row class="login-language">
          <el-col
            :span="2"
            :offset="8"
            :class="['login-language-box', this.$root.$i18n.locale === 'zh-CN' ? 'isActive' : '']"
            @click.native="chLang('zh')"
          >
            中文
          </el-col>
          <el-col :span="1" :offset="1" style="color: #DCDFE6">|</el-col>
          <el-col
            :span="2"
            :offset="1"
            :class="['login-language-box', this.$root.$i18n.locale === 'en' ? 'isActive' : '']"
            @click.native="chLang('en')"
          >
            English
          </el-col>
        </el-row>
        <el-row class="login-copyright">
          {{ $t('login.copyright') }}
        </el-row>
      </el-row>
      <!-- <div style="position:relative">
        <div class="tips">
          <span>Username : admin</span>
          <span>Password : any</span>
        </div>
        <div class="tips">
          <span style="margin-right:18px;">Username : editor</span>
          <span>Password : any</span>
        </div>

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

  </div>
</template>

<script>
// import { downLoadBGP } from '@/api/user'
// import { mapGetters } from 'vuex'
import Cookies from 'js-cookie'
import debounce from 'lodash/debounce'
// import { getUUID } from '@/utils'
export default {
	data() {
		return {
			baseImg: require('../../assets/img/login-back.png'),
			coverImgUrl: '',
			captchaPath: '',
			passwordType: 'password',
			capsTooltip: false,
			loading: false,
			dataForm: {
				username: 'admin',
				password: 'admin',
				uuid: ''
				// captcha: ''
			}
		}
	},
	computed: {
		// ...mapGetters(['language']),
		dataRule() {
			return {
				username: [{ required: true, message: this.$t('validate.required'), trigger: 'blur' }],
				password: [{ required: true, message: this.$t('validate.required'), trigger: 'blur' }]
				// captcha: [
				//   { required: true, message: this.$t('validate.required'), trigger: 'blur' }
				// ]
			}
		}
	},
	created() {
		// this.getCaptcha()
	},
	methods: {
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && (key >= 'A' && key <= 'Z')
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
	chLang(lang) {
		switch (lang) {
			case 'zh':
				this.$root.$i18n.locale = 'zh-CN'
				// location.reload()
				break
			case 'en':
				this.$root.$i18n.locale = 'en'
				location.reload()
				break
		}
	},
	// 获取验证码
	getCaptcha() {
		this.dataForm.uuid = getUUID()
		// this.captchaPath = `${window.SITE_CONFIG['apiURL']}/captcha?uuid=${this.dataForm.uuid}`
		// this.captchaPath = (process.env.NODE_ENV === 'production' ? '/api' : '/yd-monitor') + `/captcha?uuid=${this.dataForm.uuid}`
		this.captchaPath = `/api/captcha?uuid=${this.dataForm.uuid}`
	},
	// 表单提交
	dataFormSubmitHandle: debounce(
		function() {
			this.$refs['dataForm'].validate(valid => {
				if (!valid) {
					return false
				}
				this.$http
					.post(this.$http.adornUrl('/login'), this.dataForm)
					.then(({ data: res }) => {
						console.log('res', res)
						if (res.code !== 0) {
							console.log('res', res)
							// this.getCaptcha()
							return this.$message.error(res.msg)
						}
						Cookies.set('token', res.data.token)

						/** 保存dictlist */
						this.$http.get(this.$http.adornUrl('/sys/dict/data/getAll')).then(({ data: res }) => {
							if (res && res.code === 0) {
								localStorage.setItem('dictList', JSON.stringify(res.data))
							} else {
								this.$message({
									message: '数据字典拉取失败，请检查!',
									type: 'error',
									duration: 2000
								})
							}
						})

						this.$router.replace({ name: 'home' })
					})
					.catch(err => {
						this.$message({
							message: err.message,
							type: 'error',
							duration: 2000
						})
					})
			})
		},
		1000,
		{ leading: true, trailing: false }
	)
	}
}
</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: #161616;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
    height: 6vh !important;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
    }
  }

  .el-form-item {
    border: 1px solid #D7D8D9;
    border-radius: 5px;
    color: #454545;
    height: 6vh;
    .el-form-item__content {
      height: calc(6vh - 2px);
      line-height: 6vh;
      .el-input {
        height: calc(6vh - 2px);
      }
    }
  }
}
</style>

<style lang="scss" scoped>
// $bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;
$cursor: #161616;

.login-container {
  min-height: 100%;
  width: 100%;
  background-size: cover;
  // background-color: $bg;
  overflow: hidden;
  .login-background{
    position: absolute;
    width: 60%;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    .login-background-container{
      width: 95%;
      .back-title{
        color: #26B9DE;
        font-size: 88px;
        margin-left: 17%;
        span {
          color: #fff;
        }
        p {
          font-size: 22px;
          letter-spacing: 1px;
          .back-title-point {
            display: inline-block;
            width: 16px;
            height: 16px;
            border-radius: 8px;
            background-color: #26B9DE;
            margin-right: 14px;
          }
        }
      }
    }
  }

  .login-form {
    position: absolute;
    width: 40%;
    max-width: 100%;
    top: 0;
    right: 0;
    bottom: 0;
    padding: 0 6.67%;
    margin: 0 auto;
    overflow: hidden;
    background: rgba($color: #fff, $alpha: 1);
    backdrop-filter: blur(10px);
    box-shadow: 5px 5px 5px rgba($color: #000000, $alpha: .1);
    .login-footer{
      position: absolute;
      bottom: 0;
      right: 0;
      left: 0;
      margin-bottom: 5vh;
    }
    .login-language{
      font-size: 15px;
      text-align: center;
      color: $cursor;
      margin-bottom: 12px;
      .login-language-box {
        cursor: pointer;
      }
      .isActive {
        color: #0B58FF;
        cursor: auto;
      }
    }
    .login-copyright{
      text-align: center;
      color: #C7C7C7;
      font-size: 15px;
      line-height: 28px;
      padding: 0 16%;
    }
  }

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

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

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: #000;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;
    margin-top: 18vh;

    .title {
      font-size: 34px;
      line-height: 6vh;
      margin: 0px auto 40px auto;
      text-align: center;
      overflow: hidden;
      text-overflow: ellipsis;
      word-break: break-all;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      letter-spacing: 2px;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 0;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>