<template>
  <el-form class="login-form" status-icon :rules="loginRules" ref="loginForm" :model="loginForm" label-width="0">
    <div class="txt-name">用户名</div>
    <el-form-item prop="username" class="username">
      <el-input size="small" v-model="loginForm.username" auto-complete="off" :placeholder="$t('login.username')">
        <i slot="prefix" class="icon-okdc-yonghutx"></i>
      </el-input>
    </el-form-item>
    <div class="ps-txt">密码</div>
    <el-form-item prop="password" class="password">
      <el-input size="small" :type="passwordType" v-model="loginForm.password" auto-complete="off" :placeholder="$t('login.password')">
        <i class="el-icon-view el-input__icon" slot="suffix" @click="showPassword"></i>
        <i slot="prefix" class="icon-mima"></i>
      </el-input>
    </el-form-item>

    <!-- <el-form-item prop="code">
      <el-row :span="24">
        <el-col :span="16">
          <el-input
            size="small"
            @keyup.enter.native="handleLogin"
            :maxlength="code.len"
            v-model="loginForm.code"
            auto-complete="off"
            :placeholder="$t('login.code')"
          >
            <i slot="prefix" class="icon-yanzhengma"></i>
          </el-input>
        </el-col>
        <el-col :span="8">
          <div class="login-code">
            <span
              class="login-code-img"
              @click="refreshCode"
              v-if="code.type == 'text'"
              >{{ code.value }}</span
            >
            <img
              :src="code.src"
              class="login-code-img"
              @click="refreshCode"
              v-else
            />
            <i class="icon-shuaxin login-code-icon" @click="refreshCode"></i>
          </div>
        </el-col>
      </el-row>
    </el-form-item> -->

    <el-form-item class="password-wrap">
      <el-button type="primary" @click="handleLogin" size="small" class="login-submit">{{ $t('login.submit') }}</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { randomLenNum } from '@/util/util'
import { mapGetters } from 'vuex'
export default {
  name: 'userlogin',
  data() {
    const validateCode = (rule, value, callback) => {
      if (this.code.value !== value) {
        this.loginForm.code = ''
        this.refreshCode()
        callback(new Error('请输入正确的验证码'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: '',
        password: '',
        code: '',
        redomStr: ''
      },
      checked: false,
      code: {
        src: '',
        value: '',
        len: 4,
        type: 'text'
      },
      loginRules: {
        username: [{ required: true, message: '请输入账号', trigger: 'blur' }],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, message: '密码长度最少为6位', trigger: 'blur' }
        ],
        code: [
          { required: true, message: '请输入验证码', trigger: 'blur' },
          { min: 4, max: 4, message: '验证码长度为4位', trigger: 'blur' },
          { required: true, trigger: 'blur', validator: validateCode }
        ]
      },
      passwordType: 'password'
    }
  },
  created() {
    this.refreshCode()
  },
  mounted() {
    // 绑定enter事件
    this.enterKeyup()
  },
  destroyed() {
    // 销毁enter事件
    this.enterKeyupDestroyed()
  },
  computed: {
    ...mapGetters(['tagWel'])
  },
  props: [],
  methods: {
    // 回车键登录
    enterKey(event) {
      const componentName = this.$options.name
      if (componentName === 'userlogin') {
        const code = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode
        if (code === 13) {
          this.handleLogin()
        }
      }
    },
    enterKeyupDestroyed() {
      document.removeEventListener('keyup', this.enterKey)
    },
    enterKeyup() {
      document.addEventListener('keyup', this.enterKey)
    },
    refreshCode() {
      this.loginForm.redomStr = randomLenNum(this.code.len, true)
      this.code.type === 'text' ? (this.code.value = randomLenNum(this.code.len)) : (this.code.src = `${this.codeUrl}/${this.loginForm.redomStr}`)
      this.loginForm.code = this.code.value
    },
    showPassword() {
      this.passwordType === '' ? (this.passwordType = 'password') : (this.passwordType = '')
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.$store.dispatch('LoginByUsername', this.loginForm).then(() => {
            // console.log(this.tagWel.path)
            this.$router.push(this.tagWel.path)
          })
        }
      })
    }
  }
}
</script>

<style lang="scss" scoped>
</style>
