import { contextBridge, ipcRenderer } from "electron";
import { electronAPI } from "@electron-toolkit/preload";
import type { SelfAPI } from "./index.d";

// Static properties that are not IPC methods
const staticProps = {
  platform: process.platform,
} as const;

// Proxy-based API that automatically routes method calls to IPC invoke
// Method name = IPC channel name, no manual mapping needed
const api: SelfAPI = new Proxy(staticProps as SelfAPI, {
  get(_target, prop: string) {
    // Return static property if exists
    if (prop in staticProps) {
      return (staticProps as Record<string, unknown>)[prop];
    }
    // Otherwise, auto-create IPC invoke function
    // prop (method name) = IPC channel name
    return (...args: unknown[]) => ipcRenderer.invoke(prop, ...args);
  },
});

// Use `contextBridge` APIs to expose Electron APIs to
// renderer only if context isolation is enabled, otherwise
// just add to the DOM global.
if (process.contextIsolated) {
  try {
    contextBridge.exposeInMainWorld("electron", electronAPI);
    contextBridge.exposeInMainWorld("api", api);
  } catch (error) {
    console.error(error);
  }
} else {
  // @ts-ignore (define in dts)
  window.electron = electronAPI;
  // @ts-ignore (define in dts)
  window.api = api;
}