import { app, BrowserWindow, Menu, ipcMain } from "electron";
import path from "node:path";
import { getDb, closeDb } from "./db";
import { registerIpcHandlers } from "./ipc/handlers";

const isDev = !app.isPackaged;
let mainWindow: BrowserWindow | null = null;

function createWindow() {
  mainWindow = new BrowserWindow({
    width: 1400,
    height: 900,
    minWidth: 1000,
    minHeight: 600,
    show: false,
    titleBarStyle: "hiddenInset",
    webPreferences: {
      contextIsolation: true,
      nodeIntegration: false,
      preload: path.join(__dirname, "preload.js"),
    },
  });

  registerIpcHandlers(mainWindow);

  // Maximize toggle — works identically on Linux and macOS
  ipcMain.handle("window:toggleMaximize", () => {
    if (mainWindow!.isMaximized()) mainWindow!.unmaximize();
    else mainWindow!.maximize();
  });

  // Push state to renderer so the button glyph stays accurate.
  // On macOS, clicking the green traffic light also fires these events,
  // keeping our custom button in sync with the native control.
  mainWindow.on("maximize",   () => mainWindow!.webContents.send("window:maximized", true));
  mainWindow.on("unmaximize", () => mainWindow!.webContents.send("window:maximized", false));

  if (isDev) {
    const url = process.env.VITE_DEV_SERVER_URL ?? "http://localhost:5173";
    mainWindow.loadURL(url).finally(() => {
      mainWindow!.show();
      mainWindow!.webContents.openDevTools({ mode: "detach" });
    });
  } else {
    const indexHtml = path.join(
      app.getAppPath(),
      "renderer",
      "dist",
      "index.html"
    );
    mainWindow.loadFile(indexHtml).finally(() => mainWindow!.show());
  }
}

app.whenReady().then(() => {
  Menu.setApplicationMenu(null);

  // Initialize database
  getDb();

  createWindow();

  app.on("activate", () => {
    if (BrowserWindow.getAllWindows().length === 0) {
      createWindow();
    }
  });
});

app.on("window-all-closed", () => {
  closeDb();
  if (process.platform !== "darwin") {
    app.quit();
  }
});