import { app, BrowserWindow, desktopCapturer } from "electron";
import * as fs from "fs";
import path from "path";
import axios from 'axios';
import https from 'https';
import sharp from 'sharp';
import { saveToken } from "./tokenHelper.js";
import { activeWindow } from "get-windows";
import { exec } from "child_process";
import { getUIPath } from "../pathResolver.js";

const httpsAgent = new https.Agent({
    rejectUnauthorized: false
});


// Blur using an offscreen canvas
async function blurAndCompressBase64Image(base64: string): Promise<Buffer> {
    const buffer = Buffer.from(base64.replace(/^data:image\/\w+;base64,/, ''), 'base64');
    const outputBuffer = await sharp(buffer)
        .blur(8)       // adjust blur radius here
        .jpeg({ quality: 70 }) // compress output
        .toBuffer();
    return outputBuffer;
}

export const takeScreenshot = async () => {
    // const sources = await desktopCapturer.getSources({ types: ["screen"] });
    const sources = await desktopCapturer.getSources({
        types: ['window'], thumbnailSize: {
            height: 768,
            width: 1366
        }
    });


    // Capture the first screen (you can choose others by filtering sources)
    const screen = sources[0];
    let image = screen.thumbnail.toDataURL();
    console.log("blurAndCompressBase64Image Calling")

    const blurredBuffer = await blurAndCompressBase64Image(image);

    const folderPath = "C:\\Users\\Public\\vatracker\\screenshots";

    // Ensure directory exists
    if (!fs.existsSync(folderPath)) {
        fs.mkdirSync(folderPath, { recursive: true });
    }

    const filePath = path.join(folderPath, `screenshot-${Date.now()}.png`);
    fs.writeFileSync(filePath, blurredBuffer);



    console.log(`Screenshot saved at: ${filePath}`);
}

export const handleLogin = async (credentials: { email: string, password: string }) => {
    try {
        // Call your login API
        console.log("🟡 login Request received", credentials);

        console.log("app.getAppPath()", app.getAppPath());
        console.log("UIPATH", getUIPath());
        console.log("Doom 1");

        try {
            console.log("➡️ Calling API...");
            const response = await axios.post(
                'quality-friendly-goldfish.ngrok-free.app/api/v1/va/login',
                { userDetails: { ...credentials } },
                { headers: { "ngrok-skip-browser-warning": 69420 }, httpsAgent }
            );

            console.log("API CAlled", response)
            const { accessToken, refreshToken } = response.data;

            await saveToken("ACCESS_TOKEN", accessToken);
            await saveToken("REFRESH_TOKEN", refreshToken);

            return { success: true, user: response.data.user };

        } catch (error) {
            if (error instanceof Error) {
                if ("response" in error && typeof (error.response) == "object" && error.response !== null && ("data" in error.response)) {
                    console.log("❌ login API call failed:", error?.response.data);
                    console.log("Server responded:", error?.response.data);
                    return { success: false, error: error?.response.data || "Request failed" };
                } else {
                    return { success: false, error: error?.message || "Check you Internet connection and try again" };
                }
            }
        }

    } catch (err) {
        if (err instanceof Error) {
            return { success: false, error: err.message };
        }

        if (typeof err === "object" && err !== null && "response" in err) {
            const axiosErr = err as any;
            return { success: false, error: axiosErr.response?.data?.message || "Unknown error" };
        }

        return { success: false, error: "Unexpected error occurred" };
    }
}

//  Get active window info with timestamp
export const getActiveApp = async () => {
    const result = await activeWindow();
    const dataWithTime = { ...result, timestamp: new Date().toISOString() };
    //   console.log("🪟 Active Window with Time:", dataWithTime);
    return dataWithTime;
};

// Periodically send active window updates
export const startWindowPolling = (win: BrowserWindow) => {
    console.log("⏱️ Started active window polling (every 5s)");
    setInterval(async () => {
        try {
            const app = await getActiveApp();
            if (app) win.webContents.send("window:updated", app);
        } catch (err) {
            console.error("❌ Polling error:", err);
        }
    }, 5000);
};


export const getRunningAppsList = async () => {
    try {
        // PowerShell command: Get only apps with visible windows (non-background)
        const sources = await desktopCapturer.getSources({
            types: ['window', 'screen'],
            thumbnailSize: { width: 150, height: 150 } // Optional: set thumbnail size
        });

        console.log(sources, "Sources Retrieved");

        const app = sources.map(source => ({
            name: source.name,
            pid: source.id,
            // thumbnail: source.thumbnail // Can be used as screenshot
        }));

        return app
    } catch (error) {
        return []
    }
}


export const captureSpecificApp = async (windowTitle: string): Promise<string> => {
    try {
        const sources = await desktopCapturer.getSources({
            types: ['window', 'screen'],
            thumbnailSize: { width: 650, height: 430 }
        });
        const targetSource = sources.find(source => source.name === windowTitle);
        if (targetSource) {

            let image = targetSource.thumbnail.toDataURL();
            const blurredBuffer = await blurAndCompressBase64Image(image);

            // Convert buffer → base64 string
            const base64String = `data:image/png;base64,${blurredBuffer.toString('base64')}`;

            // ✅ Return the processed base64 instead of saving
            return base64String;

            // const folderPath = "C:\\Users\\Public\\vatracker\\screenshots";

            // // Ensure directory exists
            // if (!fs.existsSync(folderPath)) {
            //     fs.mkdirSync(folderPath, { recursive: true });
            // }

            // const filePath = path.join(folderPath, `screenshot-${Date.now()}.png`);
            // fs.writeFileSync(filePath, blurredBuffer);

            // console.log(`Screenshot saved to ${filePath}`);
        } else {
            console.log(`Window with title "${windowTitle}" not found.`);
            return "Not Found"
        }
    } catch (error) {
        console.error('Error capturing screenshot:', error);
        return 'Failed to capture screenshot.';
    }
}


// timmer stop after 4-5 sec check it..