'use strict';
import { BaseStore } from 'base-store';
import { Promise } from 'ES6Promise';
var localStorage = window.localStorage;

export class Store implements BaseStore {
  get = (name) => {
    var value = localStorage.getItem(name);
    if(typeof value == 'string'){
      value = value.indexOf('{')>-1 && value.indexOf('}')>-1
        ? JSON.parse(value) : value;
    }
    return Promise.resolve(value);
  }

  set = (name,value) => {
    var storeValue = typeof value == 'object'
      ? JSON.stringify(value)
      : value;
    localStorage.setItem(name,storeValue);
    return Promise.resolve(value);
  }

  base = (storeName) => {
    return {
      get: (name:string) => {
        return this.get(storeName).then((res)=>{
          res = res || {};
          return res[name];
        });
      },
      getAll: () => {
        return this.get(storeName).then((res) => {
          return res || {};
        });
      },
      /**
       * @param async 是否异步写入
       * @returns {Promise<Promise<any>>}
       */
      set: (name:string, data:any) => {
        return this.get(storeName).then((res) => {
          res = res || {};
          res[name] = data;
          return this.set(storeName, res).then(() => {
            return data;
          });
        });
      },
      /**
       * @param async
       * @returns {Promise<Promise<any>>}
       */
      remove: (name:string) => {
        return this.get(storeName).then((res) => {
          res[name] = null;
          delete res[name];
          return this.set(storeName, res).then(() => {
            return null;
          });
        });
      },
      clear: () => {
        return this.clear();
      }
    }
  }

  remove = (name) => {
    localStorage.removeItem(name);
    return Promise.resolve(null);
  }

  clear = () => {
    localStorage.clear();
    return Promise.resolve(null);
  }
}