const {
  app,
  BrowserWindow,
  protocol,
  session,
  Menu,
  dialog,
} = require("electron");
const path = require("node:path");
const { readGame } = require("./protocol.cjs");
const settings = require("./game-config.json");
protocol.registerSchemesAsPrivileged([
  {
    scheme: "forma",
    privileges: {
      standard: true,
      secure: true,
      supportFetchAPI: true,
      corsEnabled: true,
      stream: true,
    },
  },
]);
app.setName(settings.name);
let win;
async function createWindow() {
  win = new BrowserWindow({
    title: settings.name,
    width: settings.width,
    height: settings.height,
    minWidth: 320,
    minHeight: 320,
    fullscreen: settings.fullscreen,
    backgroundColor: "#151719",
    show: false,
    autoHideMenuBar: true,
    webPreferences: {
      sandbox: true,
      contextIsolation: true,
      nodeIntegration: false,
      nodeIntegrationInWorker: false,
      webSecurity: true,
      devTools: settings.mode === "debug",
    },
  });
  win.webContents.setWindowOpenHandler(() => ({ action: "deny" }));
  win.webContents.on("will-navigate", (e, url) => {
    if (url !== "forma://game/index.html") e.preventDefault();
  });
  win.webContents.on("will-attach-webview", (e) => e.preventDefault());
  win.webContents.on("before-input-event", (e, input) => {
    if (input.type === "keyDown" && input.key === "F11") {
      win.setFullScreen(!win.isFullScreen());
      e.preventDefault();
    }
    if (
      input.type === "keyDown" &&
      input.key === "Escape" &&
      win.isFullScreen()
    )
      win.setFullScreen(false);
  });
  win.once("ready-to-show", () => win.show());
  await win.loadURL("forma://game/index.html");
}
app
  .whenReady()
  .then(async () => {
    if (app.commandLine.hasSwitch("no-sandbox")) {
      dialog.showErrorBox(
        "Sandbox unavailable",
        "This game requires Chromium sandbox support. Enable unprivileged user namespaces on Linux, then restart without --no-sandbox.",
      );
      app.exit(1);
      return;
    }
    Menu.setApplicationMenu(null);
    session.defaultSession.setPermissionRequestHandler((_wc, _p, cb) =>
      cb(false),
    );
    session.defaultSession.setPermissionCheckHandler(() => false);
    session.defaultSession.webRequest.onBeforeRequest((details, cb) =>
      cb({
        cancel:
          !details.url.startsWith("forma://game/") &&
          !details.url.startsWith("blob:forma://game/"),
      }),
    );
    protocol.handle("forma", async (request) => {
      const r = await readGame(
        path.join(__dirname, "game"),
        request.url,
        request.method,
      );
      return new Response(r.body, r);
    });
    await createWindow();
  })
  .catch((e) => {
    console.error(e);
    app.exit(1);
  });
app.on("window-all-closed", () => app.quit());