import {
  AesEncryption,
  cacheCipher,
  DEFAULT_CACHE_TIME,
  enableStorageEncryption,
  getStorageShortName,
  isNil,
  Persistent,
} from '@eciol/shared';
import { acceptHMRUpdate, createPinia, defineStore } from 'pinia';
import { createPersistedState } from 'pinia-plugin-persistedstate';
import type { App } from 'vue';

interface UseStoreOptions {
  /**
   * @description 应用名,由于 @eciol/store 是公用的，后续可能有多个app，为了防止多个app缓存冲突，可在这里配置应用名
   * 应用名将被用于持久化的前缀
   */
  appName?: string;
  /**
   * @description 缓存加密配置
   *
   */
  cacheCipher?: {
    key: string;
    iv: string;
  };

  /**
   * @description 缓存过期时间，单位为秒
   *
   */
  cacheTimeout?: number;

  /**
   * @description 是否立即存入storage
   */
  immediate?: boolean;
}
const pinia = createPinia();

/**
 * @description 初始化pinia
 * @param app vue app 实例
 */
function useStore(app: App, options: UseStoreOptions = {}) {
  const {
    cacheCipher: { key = cacheCipher.key, iv = cacheCipher.iv } = {},
    cacheTimeout = DEFAULT_CACHE_TIME,
    immediate = true,
  } = options;
  const encryption = new AesEncryption({ key, iv });
  pinia.use(
    createPersistedState({
      storage: {
        getItem(key) {
          const v = Persistent.getLocal<any>(key);
          if (!v) return null;
          try {
            const decVal = enableStorageEncryption ? encryption.decryptByAES(v) : v;
            const data = JSON.parse(decVal);
            const { value, expire } = data;
            if (isNil(expire) || expire >= new Date().getTime()) {
              return value;
            }
            return null;
          } catch (e) {
            return null;
          }
        },
        setItem(key, value) {
          const stringData = JSON.stringify({
            value,
            time: Date.now(),
            expire: !isNil(cacheTimeout) ? new Date().getTime() + cacheTimeout * 1000 : null,
          });
          const stringified = enableStorageEncryption
            ? encryption.encryptByAES(stringData)
            : stringData;
          Persistent.setLocal(key, stringified, immediate);
        },
      },
      // key $store.id-$appName
      key: (storeKey) => `${getStorageShortName()}__${storeKey.toUpperCase()}`,
      // serializer: {
      //   serialize(value) {
      //     // if (enableStorageEncryption && [key.length, iv.length].some((item) => item !== 16)) {
      //     //   throw new Error('When enableStorageEncryption is true, the key or iv must be 16 bits!');
      //     // }
      //     const stringData = JSON.stringify({
      //       value,
      //       time: Date.now(),
      //       expire: !isNil(cacheTimeout) ? new Date().getTime() + cacheTimeout * 1000 : null,
      //     });
      //     return enableStorageEncryption ? encryption.encryptByAES(stringData) : stringData;
      //   },
      //   deserialize(v) {
      //     if (!v) return null;
      //     try {
      //       const decVal = enableStorageEncryption ? encryption.decryptByAES(v) : v;
      //       const data = JSON.parse(decVal);
      //       const { value, expire } = data;
      //       if (isNil(expire) || expire >= new Date().getTime()) {
      //         return value;
      //       }
      //       return null;
      //     } catch (e) {
      //       return null;
      //     }
      //   },
      // },
    }),
  );
  app.use(pinia as any);
}

export { acceptHMRUpdate, defineStore, pinia, useStore };