<template>
  <div class="register">
    <el-form ref="registerRef" :model="registerForm" :rules="registerRules" class="register-form">
      <h3 class="title">先进计算公共服务平台</h3>
      <el-form-item prop="username">
        <el-input
            v-model="registerForm.username"
            type="text"
            size="large"
            auto-complete="off"
            placeholder="账号">
          <template #prefix>
            <svg-icon icon-class="user" class="el-input__icon input-icon"/>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
            v-model="registerForm.password"
            type="password"
            size="large"
            auto-complete="off"
            placeholder="密码"
            @keyup.enter="handleRegister">
          <template #prefix>
            <svg-icon icon-class="password" class="el-input__icon input-icon"/>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="confirmPassword">
        <el-input
            v-model="registerForm.confirmPassword"
            type="password"
            size="large"
            auto-complete="off"
            placeholder="确认密码"
            @keyup.enter="handleRegister">
          <template #prefix>
            <svg-icon icon-class="password" class="el-input__icon input-icon"/>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
            size="large"
            v-model="registerForm.code"
            auto-complete="off"
            placeholder="验证码"
            style="width: 64%"
            @keyup.enter="handleRegister">
          <template #prefix>
            <svg-icon icon-class="validCode" class="el-input__icon input-icon"/>
          </template>
        </el-input>
        <div class="register-code">
          <img :src="codeUrl" @click="getCode" class="register-code-img"/>
        </div>
      </el-form-item>
      <div class="flex-justify-end mb20">
          <router-link class="link-type" :to="'/login'">使用已有账户登录</router-link>
      </div>
      <el-form-item style="width:100%;">
        <el-button
            :loading="loading"
            size="large"
            type="primary"
            style="width:100%;"
            @click.prevent="handleRegister">
          <span v-if="!loading">注 册</span>
          <span v-else>注 册 中...</span>
        </el-button>


      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-register-footer">
      <!--      <span>Copyright © 2018-2024 ruoyi.vip All Rights Reserved.</span>-->
    </div>
  </div>
</template>

<script setup>
import { ElMessageBox } from 'element-plus'
import { getCodeImg, register } from '@/api/login'

const router = useRouter()
const {proxy} = getCurrentInstance()

const registerForm = ref({
  username: '',
  password: '',
  confirmPassword: '',
  code: '',
  uuid: ''
})

const equalToPassword = (rule, value, callback) => {
  if (registerForm.value.password !== value) {
    callback(new Error('两次输入的密码不一致'))
  } else {
    callback()
  }
}

const registerRules = {
  username: [
    {required: true, trigger: 'blur', message: '请输入您的账号'},
    {min: 2, max: 20, message: '用户账号长度必须介于 2 和 20 之间', trigger: 'blur'}
  ],
  password: [
    {required: true, trigger: 'blur', message: '请输入您的密码'},
    {min: 5, max: 20, message: '用户密码长度必须介于 5 和 20 之间', trigger: 'blur'},
    {pattern: /^[^<>"'|\\]+$/, message: '不能包含非法字符：< > " \' \\\ |', trigger: 'blur'}
  ],
  confirmPassword: [
    {required: true, trigger: 'blur', message: '请再次输入您的密码'},
    {required: true, validator: equalToPassword, trigger: 'blur'}
  ],
  code: [{required: true, trigger: 'change', message: '请输入验证码'}]
}

const codeUrl = ref('')
const loading = ref(false)
const captchaEnabled = ref(true)

function handleRegister () {
  proxy.$refs.registerRef.validate(valid => {
    if (valid) {
      loading.value = true
      register(registerForm.value).then(res => {
        const username = registerForm.value.username
        ElMessageBox.alert('<font color=\'red\'>恭喜你，您的账号 ' + username + ' 注册成功！</font>', '系统提示', {
          dangerouslyUseHTMLString: true,
          type: 'success'
        }).then(() => {
          router.push('/login')
        }).catch(() => {
        })
      }).catch(() => {
        loading.value = false
        if (captchaEnabled) {
          getCode()
        }
      })
    }
  })
}

function getCode () {
  getCodeImg().then(res => {
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled
    if (captchaEnabled.value) {
      codeUrl.value = 'data:image/gif;base64,' + res.img
      registerForm.value.uuid = res.uuid
    }
  })
}

getCode()
</script>

<style lang='scss' scoped>
.register {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.png");
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #2E77E3;
  font-size: 30px;
  font-family: YouSheBiaoTiHei, system-ui;
}

.register-form {
  border-radius: 2px;
  background: #ffffff;
  width: 400px;
  margin-left: 18%;
  padding: 35px 35px 15px 35px;
  box-shadow: 0 0 10px 0 rgba(209, 224, 251, 0.79);

  .el-input {
    height: 40px;

    input {
      height: 40px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}

.register-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.register-code {
  width: 33%;
  height: 40px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-register-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.register-code-img {
  height: 40px;
  padding-left: 12px;
}


.link-type {
  font-size: 14px;
  font-weight: 500;
  color: var(--el-color-primary);
}
</style>
