import Vue from 'vue';
import store from '@/store';
import DataDict from '@/utils/dict';
import { getDicts as getDicts } from '@/api/system/dict/data';

function searchDictByKey(dict, key) {
  if (key == null && key == '') {
    return null;
  }
  try {
    for (let i = 0; i < dict.length; i++) {
      if (dict[i].key == key) {
        return dict[i].value;
      }
    }
  } catch (e) {
    return null;
  }
}

function install() {
  Vue.use(DataDict, {
    metas: {
      '*': {
        labelField: 'dictLabel',
        valueField: 'dictValue',
        request(dictMeta) {
          const storeDict = searchDictByKey(store.getters.dict, dictMeta.type);
          if (storeDict) {
            return new Promise((resolve) => {
              resolve(storeDict);
            });
          } else {
            return new Promise((resolve, reject) => {
              getDicts(dictMeta.type)
                .then((res) => {
                  store.dispatch('dict/setDict', { key: dictMeta.type, value: res.data });
                  resolve(res.data);
                })
                .catch((error) => {
                  reject(error);
                });
            });
          }
        }
      }
    }
  });
}

export default {
  install
};