<template>
  <div>
    <el-form-item label="占位内容">
      <el-input
        v-model="data.placeholder"
        clearable
        placeholder="占位内容"
      ></el-input>
    </el-form-item>
    <el-form-item label="默认值">
      <el-input v-model="data.value" clearable placeholder="默认值"></el-input>
    </el-form-item>
    <el-form-item label="前缀">
      <el-input v-model="data.prepend" clearable placeholder="前缀"></el-input>
    </el-form-item>
    <el-form-item label="后缀">
      <el-input v-model="data.append" clearable placeholder="后缀"></el-input>
    </el-form-item>
    <el-form-item label="是否为牙位">
      <el-switch v-model="data.toothBit"></el-switch>
    </el-form-item>
    <el-form-item label="最大长度">
      <el-input-number
        v-model="data.maxlength"
        controls-position="right"
        placeholder="最大长度"
      ></el-input-number>
    </el-form-item>
    <el-form-item label="显示计数" v-if="data.type != 'password'">
      <el-switch v-model="data.showWordLimit"></el-switch>
    </el-form-item>
    <el-form-item label="显示密码" v-if="data.type == 'password'">
      <el-switch v-model="data.showPassword"></el-switch>
    </el-form-item>
    <el-form-item label="是否只读">
      <el-switch v-model="data.readonly"></el-switch>
    </el-form-item>
    <el-form-item label="是否可见">
      <el-switch v-model="data.display"></el-switch>
    </el-form-item>
    <el-form-item label="是否必填">
      <el-switch v-model="data.required"></el-switch>
      <el-input
        v-if="data.required"
        v-model.lazy="data.pattern"
        placeholder="正则表达式"
      ></el-input>
    </el-form-item>
  </div>
</template>

<script>
export default {
  name: "config-input",
  props: ["data"],
  data() {
    return {
      validator: {
        type: null,
        required: null,
        pattern: null,
        length: null,
      },
    }
  },
  methods: {
    generateRule() {
      const rules = []
      Object.keys(this.validator).forEach((key) => {
        if (this.validator[key]) rules.push(this.validator[key])
      })
      this.data.rules = rules
    },
  },
  watch: {
    "data.required": function (val) {
      if (val)
        this.validator.required = {
          required: true,
          message: `${this.data.label}必须填写`,
        }
      else this.validator.required = null

      this.generateRule()
    },
    "data.pattern": function (val) {
      if (val)
        this.validator.pattern = {
          pattern: new RegExp(val),
          message: `${this.data.label}格式不匹配`,
        }
      else this.validator.pattern = null

      // delete this.data.pattern
      this.generateRule()
    },
  },
}
</script>