<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      autocomplete="on"
      label-position="left"
    >
      <div class="title-container">
        <h3 class="title">游戏久 - 魅族充值平台</h3>
      </div>

      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="mobile"
          v-model="loginForm.mobile"
          placeholder="手机号"
          name="mobile"
          type="text"
          tabindex="1"
          maxlength="11"
          autocomplete="on"
          :clearable="true"
        />
      </el-form-item>

      <el-form-item prop="smsCode">
        <el-row :gutter="30">
          <el-col :span="1">
            <span class="svg-container"><svg-icon icon-class="message" /></span>
          </el-col>
          <el-col :span="10">
            <el-input
              ref="smsCode"
              v-model="loginForm.smsCode"
              placeholder="验证码"
              name="smsCode"
              type="text"
              tabindex="2"
              maxlength="6"
              autocomplete="off"
              :clearable="true"
            />
          </el-col>
          <el-col :span="5" :push="5" style="top: 6px">
            <el-button
              v-if="times_show"
              type="primary"
              @click="getCode"
            >获取验证码</el-button>
            <el-button v-if="!times_show" disabled>{{ times }}s</el-button>
          </el-col>
        </el-row>
      </el-form-item>

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

  </div>
</template>

<script>
import { validMobile } from '@/utils/validate'
import { Message } from 'element-ui'

export default {
  name: 'Login',
  data() {
    const validateMobile = (rule, value, callback) => {
      if (!validMobile(value)) {
        callback(new Error('手机号格式有误.'))
      } else {
        callback()
      }
    }
    const validateSmsCode = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('请输入 6 位验证码.'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        mobile: '',
        smsCode: ''
      },
      loginRules: {
        mobile: [
          { required: true, trigger: 'blur', validator: validateMobile }
        ],
        smsCode: [
          { required: true, trigger: 'blur', validator: validateSmsCode }
        ]
      },
      loading: false,
      redirect: undefined,
      otherQuery: {},

      // 计时器
      times: 0,
      times_show: true
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        const query = route.query
        if (query) {
          this.redirect = query.redirect
          this.otherQuery = this.getOtherQuery(query)
        }
      },
      immediate: true
    }
  },
  methods: {
    // 获取验证码
    getCode() {
      this.$store.dispatch('common/getSmsCode', this.loginForm.mobile).then((res) => {
        const { code, message } = res
        if (code === 200) {
          this.times = 10
          this.times_show = false
          this.timer = setInterval(() => {
            this.times--
            if (this.times === 0) {
              this.times_show = true
              clearInterval(this.timer)
            }
          }, 1000)
        }
        return Message({
          message: message,
          type: 'warning',
          duration: 5 * 1000
        })
      }).catch((error) => {
        return Message({
          message: error.message,
          type: 'error',
          duration: 5 * 1000
        })
      })
    },
    // 登录
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', this.loginForm).then((res) => {
            const { code, message } = res
            if (code === 200) {
              Message({
                message: message,
                type: 'warning',
                duration: 5 * 1000
              })
              this.$router.push({ path: this.redirect || '/', query: this.otherQuery })
            } else {
              Message({
                message: message,
                type: 'error',
                duration: 5 * 1000
              })
            }
            this.loading = false
          }).catch((error) => {
            this.loading = false
            return Message({
              message: error.message,
              type: 'error',
              duration: 5 * 1000
            })
          })
        } else {
          return Message({
            message: '请完善登录信息.',
            type: 'error',
            duration: 5 * 1000
          })
        }
      })
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    }
  }
}
</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;

@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: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      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, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

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

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    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-container {
    position: relative;

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

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    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>
