import { ipcRenderer, contextBridge } from 'electron';
import { BIDIRECTIONAL } from '../shared/constants/ipc-channels';

// --------- Expose some API to the Renderer process ---------
contextBridge.exposeInMainWorld('ipcRenderer', {
   on(...args: Parameters<typeof ipcRenderer.on>) {
      const [channel, listener] = args;
      return ipcRenderer.on(channel, (event, ...args) => listener(event, ...args));
   },
   off(...args: Parameters<typeof ipcRenderer.off>) {
      const [channel, ...omit] = args;
      return ipcRenderer.off(channel, ...omit);
   },
   send(...args: Parameters<typeof ipcRenderer.send>) {
      const [channel, ...omit] = args;
      return ipcRenderer.send(channel, ...omit);
   },
   invoke(...args: Parameters<typeof ipcRenderer.invoke>) {
      const [channel, ...omit] = args;
      return ipcRenderer.invoke(channel, ...omit);
   },
});

// --------- 安全加密 API（基于 Electron safeStorage）---------
contextBridge.exposeInMainWorld('safeStorage', {
   /**
    * 加密明文字符串
    * @param plaintext - 待加密的明文
    * @returns Base64 编码的密文，失败返回 null
    */
   async encrypt(plaintext: string): Promise<string | null> {
      const result = await ipcRenderer.invoke(BIDIRECTIONAL.SAFESTORAGE_ENCRYPT, plaintext);
      return result?.success ? result.data : null;
   },

   /**
    * 解密 Base64 密文
    * @param encryptedBase64 - Base64 编码的密文
    * @returns 解密后的明文，失败返回 null
    */
   async decrypt(encryptedBase64: string): Promise<string | null> {
      const result = await ipcRenderer.invoke(BIDIRECTIONAL.SAFESTORAGE_DECRYPT, encryptedBase64);
      return result?.success ? result.data : null;
   },
});