import { app, shell, BrowserWindow, ipcMain } from "electron";
import { join } from "path";
import { electronApp, optimizer, is } from "@electron-toolkit/utils";
import icon from "../../resources/icon.png?asset";
import { NfcService } from "../services/NfcService";
import { labelReqHandler, printReqHandler } from "./handlers";
import { logger } from "./LogService";
import { createConnection } from "net";

function createWindow(): void {
    // Create the browser window.
    const mainWindow = new BrowserWindow({
        width: 900,
        height: 670,
        show: false,
        autoHideMenuBar: true,
        ...(process.platform === "linux" ? { icon } : {}),
        webPreferences: {
            preload: join(__dirname, "../preload/index.js"),
            sandbox: false,
        },
    });

    const nfcService = new NfcService((event) => {
        if (!mainWindow.isDestroyed()) {
            mainWindow.webContents.send(`nfc:${event.type}`, event);
        }
    });

    ipcMain.handle("nfc:getReaderName", () => {
        return nfcService.getReaderName();
    });

    mainWindow.on("ready-to-show", () => {
        mainWindow.show();
    });

    mainWindow.webContents.setWindowOpenHandler((details) => {
        shell.openExternal(details.url);
        return { action: "deny" };
    });

    // HMR for renderer base on electron-vite cli.
    // Load the remote URL for development or the local html file for production.
    if (is.dev && process.env["ELECTRON_RENDERER_URL"]) {
        mainWindow.loadURL(process.env["ELECTRON_RENDERER_URL"]);
    } else {
        mainWindow.loadFile(join(__dirname, "../renderer/index.html"));
    }
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.whenReady().then(() => {
    // Set app user model id for windows
    electronApp.setAppUserModelId("com.electron");

    // Default open or close DevTools by F12 in development
    // and ignore CommandOrControl + R in production.
    // see https://github.com/alex8088/electron-toolkit/tree/master/packages/utils
    app.on("browser-window-created", (_, window) => {
        optimizer.watchWindowShortcuts(window);
    });

    // IPC test
    ipcMain.on("ping", () => console.log("pong"));

    // HANDLE es bidireccionar ON es unidireccional
    /**
     * LLamada principal
     *  Cli - card_id -> Server - etiqueta/activacion -> Cli
     */
    ipcMain.handle("nfc:labelReq", labelReqHandler);

    ipcMain.handle("nfc:printReq", printReqHandler);

    ipcMain.handle("ping:url", async (_event, url: string) => {
        try {
            const response = await fetch(url, {
                method: "HEAD",
                signal: AbortSignal.timeout(5000),
            });
            return response.ok;
        } catch (error) {
            console.error(`Ping failed for ${url}:`, error);
            return false;
        }
    });

    ipcMain.handle(
        "ping:socket",
        async (_event, data: { ip: string; port: number }) => {
            return new Promise((req, rej) => {
                const { ip, port } = data;
                let finished = false;
                console.log("Pinging,", ip, port);
                const socket = createConnection(port, ip);
                socket.setTimeout(3 * 1000);

                socket.on("connect", (e) => {
                    console.log("Conectado!", e);
                    logger.info("Printer connected, sending label...");
                    socket.end();
                    finished = true;
                    req(true);
                });

                socket.on("timeout", (err) => {
                    if (finished) return;
                    finished = true;
                    socket.destroy();
                    rej(false);
                });

                socket.on("error", (err) => {
                    if (finished) return;
                    finished = true;
                    socket.destroy();
                    rej(false);
                });
            });
        },
    );

    createWindow();

    app.on("activate", function () {
        // On macOS it's common to re-create a window in the app when the
        // dock icon is clicked and there are no other windows open.
        if (BrowserWindow.getAllWindows().length === 0) createWindow();
    });
});

// Quit when all windows are closed, except on macOS. There, it's common
// for applications and their menu bar to stay active until the user quits
// explicitly with Cmd + Q.
app.on("window-all-closed", () => {
    if (process.platform !== "darwin") {
        app.quit();
    }
});

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.