<template>
  <div class="demo-form">
    <tiny-form ref="ruleFormRef" :model="createData" :rules="rules" :validate-on-rule-change="isValidate">
      <tiny-form-item label="用户名" prop="username">
        <tiny-input v-model="createData.username"></tiny-input>
      </tiny-form-item>
      <tiny-form-item label="密码" prop="password">
        <tiny-input v-model="createData.password" type="password" show-password></tiny-input>
      </tiny-form-item>
      <tiny-form-item>
        <tiny-button type="primary" @click="handleSubmit()"> 注册 </tiny-button>
        <tiny-button @click="changeRule"> 改变校验规则 </tiny-button>
      </tiny-form-item>
    </tiny-form>
  </div>
</template>

<script>
import { TinyForm, TinyFormItem, TinyInput, TinyButton } from '@opentiny/vue'

export default {
  components: {
    TinyForm,
    TinyFormItem,
    TinyInput,
    TinyButton
  },
  data() {
    let validatePass = (rule, value, callback) => {
      if (!/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[a-zA-Z\d]{8,}$/.test(value)) {
        callback(new Error('最少八个字符，至少包含一个大写字母，一个小写字母和一个数字'))
      } else {
        callback()
      }
    }

    return {
      createData: {
        username: '',
        password: ''
      },
      isValidate: true,
      rules: {
        username: [
          { required: true, message: '必填', trigger: 'blur' },
          { min: 2, max: 11, message: '长度必须不小于 2', trigger: ['change', 'blur'] }
        ],
        password: [
          { required: true, message: '必填', trigger: 'blur' },
          { validator: validatePass, trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    handleSubmit() {
      this.$refs.ruleFormRef.validate(() => {
        // empty
      })
    },
    changeRule() {
      this.rules = {
        username: [
          { required: true, message: '必填', trigger: 'blur' },
          { min: 2, max: 11, message: '长度必须不小于 2', trigger: 'change' }
        ]
      }
    }
  }
}
</script>

<style scoped>
.demo-form {
  width: 380px;
}
</style>
