import {
  buildActiveTabs,
  buildDefaultValueListFn,
  buildFieldOptionsFn,
  buildRulesListFn,
  buildUploadDataFn
} from './vue2js-generator';
import { traverseFieldWidgets } from './util';

export const genVue3JS = function (formConfig, widgetList) {
  let defaultValueList = [];
  let rulesList = [];
  let fieldOptions = [];
  let uploadData = [];
  traverseFieldWidgets(widgetList, (widget) => {
    buildDefaultValueListFn(formConfig, widgetList, defaultValueList)(widget);
    buildRulesListFn(formConfig, widgetList, rulesList)(widget);
    buildFieldOptionsFn(formConfig, widgetList, fieldOptions)(widget);
    buildUploadDataFn(formConfig, widgetList, uploadData)(widget);
  });

  const activeTabs = buildActiveTabs(formConfig, widgetList);

  const v3JSTemplate = `  import { defineComponent, toRefs, reactive, getCurrentInstance } from 'vue'
  
  export default defineComponent({
    components: {},
    props: {},
    setup() {
      const state = reactive({
        ${formConfig.modelName}: {
          ${defaultValueList.join('\n')}
        },
        
        ${formConfig.rulesName}: {
          ${rulesList.join('\n')}
        },
        
        ${activeTabs.join('\n')}
        
        ${fieldOptions.join('\n')}
        
        ${uploadData.join('\n')}
      })
    
      const instance = getCurrentInstance()
      
      const submitForm = () => {
        instance.proxy.$refs['vForm'].validate(valid => {
          if (!valid) return
          
          //TODO: 提交表单
        })
      }
      
      const resetForm = () => {
        instance.proxy.$refs['vForm'].resetFields()
      }
      
      return {
        ...toRefs(state),
        submitForm,
        resetForm
      }
    }
  })`;

  return v3JSTemplate;
};