<template>
  <el-form ref="formRef" :model="form" :rules="rules" :label-width="options.labelWidth">
    <el-row>
      <el-col :span="options.span" v-for="item in options.list">
        <el-form-item :label="item.label" :prop="item.prop">
          <!-- 文本框、数字框、下拉框、日期框、开关、上传 -->
          <el-input v-if="item.type === 'input'" v-model="form[item.prop]" :disabled="item.disabled" :placeholder="item.placeholder" clearable></el-input>
          <el-input
            v-if="item.type === 'textarea'"
            type="textarea"
            :rows="2"
            v-model="form[item.prop]"
            :disabled="item.disabled"
            :placeholder="item.placeholder"
            clearable
          ></el-input>
          <el-input-number v-else-if="item.type === 'number'" v-model="form[item.prop]" :disabled="item.disabled" controls-position="right"></el-input-number>
          <el-select v-else-if="item.type === 'select'" v-model="form[item.prop]" :disabled="item.disabled" :placeholder="item.placeholder" clearable>
            <el-option v-for="opt in item.opts" :label="opt.label" :value="opt.value"></el-option>
          </el-select>
          <el-date-picker v-else-if="item.type === 'date'" type="date" v-model="form[item.prop]" :value-format="item.format"></el-date-picker>
          <el-switch
            v-else-if="item.type === 'switch'"
            v-model="form[item.prop]"
            :active-value="item.activeValue"
            :inactive-value="item.inactiveValue"
            :active-text="item.activeText"
            :inactive-text="item.inactiveText"
          ></el-switch>
          <el-upload v-else-if="item.type === 'upload'" class="avatar-uploader" action="#" :show-file-list="false" :on-success="handleAvatarSuccess">
            <img v-if="form[item.prop]" :src="form[item.prop]" class="avatar" />
            <el-icon v-else class="avatar-uploader-icon">
              <Plus />
            </el-icon>
          </el-upload>
          <slot :name="item.prop" v-else> </slot>
        </el-form-item>
      </el-col>
    </el-row>

    <el-form-item>
      <el-button type="primary" @click="saveEdit(formRef)">保 存</el-button>
    </el-form-item>
  </el-form>
</template>

<script lang="ts" setup>
import { FormOption } from "@/types/form-option";
import { FormInstance, FormRules, UploadProps } from "element-plus";
import { PropType, ref } from "vue";

const { options, formData, edit, update } = defineProps({
  options: {
    type: Object as PropType<FormOption>,
    required: true,
  },
  formData: {
    type: Object,
    required: true,
  },
  edit: {
    type: Boolean,
    required: false,
  },
  update: {
    type: Function,
    required: true,
  },
});

const form = ref({ ...(edit ? formData : {}) });

const rules: FormRules = options.list
  .map((item) => {
    if (item.required) {
      return { [item.prop]: [{ required: true, message: `${item.label}不能为空`, trigger: "blur" }] };
    }
    return {};
  })
  .reduce((acc, cur) => ({ ...acc, ...cur }), {});

const formRef = ref<FormInstance>();
const saveEdit = (formEl: FormInstance | undefined) => {
  if (!formEl) return;
  formEl.validate((valid) => {
    if (!valid) return false;
    update(form.value);
  });
};

const handleAvatarSuccess: UploadProps["onSuccess"] = (response, uploadFile) => {
  form.value.thumb = URL.createObjectURL(uploadFile.raw!);
};
</script>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  text-align: center;
}
</style>
