// index.js

const puppeteer = require('puppeteer');
const { PuppeteerScreenRecorder } = require('puppeteer-screen-recorder');
const ffmpeg = require('fluent-ffmpeg');
const getVideoDurationInSeconds = require('get-video-duration').getVideoDurationInSeconds;

async function rotateVideo(inputPath, outputPath) {
    // Get original duration
    const originalDuration = await getVideoDurationInSeconds(inputPath);
    const targetDuration = 30;
    const speedFactor = originalDuration / targetDuration;

    return new Promise((resolve, reject) => {
        ffmpeg(inputPath)
            .videoFilters([
                { filter: 'crop', options: '1920:1080:0:0' },
                { filter: 'transpose', options: '2' },
                { filter: 'setpts', options: `PTS/${speedFactor}` }
            ])
            // Optional: speed up audio as well (max 2x per atempo, so chain if needed)
            .audioFilters(
                speedFactor <= 2
                  ? { filter: 'atempo', options: speedFactor }
                  : [
                      { filter: 'atempo', options: 2 },
                      { filter: 'atempo', options: speedFactor / 2 }
                    ]
            )
            .save(outputPath)
            .on('end', () => {
                console.log('Crop, rotation, and speed-up complete!');
                resolve();
            })
            .on('error', err => reject(err));
    });
}

function addMusicToVideo(videoPath, musicPath, outputPath, musicVolume = 0.1) {
    return new Promise((resolve, reject) => {
        ffmpeg()
            .addInput(videoPath)
            .addInput(musicPath)
            .complexFilter([
                // If your video has NO audio, just set the music volume and map
                '[1:a]volume=' + musicVolume + '[aud]'
            ])
            .outputOptions([
                '-map 0:v',    // video from first input
                '-map [aud]',  // audio from [aud]
                '-shortest',   // end when shortest ends
                '-c:v copy'    // copy video, do not re-encode
            ])
            .save(outputPath)
            .on('end', () => {
                console.log('Music added and volume set!');
                resolve();
            })
            .on('error', reject);
    });
}




(async () => {
    const browser = await puppeteer.launch({ headless: false });
    const page = await browser.newPage();

    // Set to vertical/portrait mode
    await page.setViewport({
        width: 1920,
        height: 1080,
        deviceScaleFactor: 1,
    });

    await page.goto('https://tacticfront.io/join/aQoyBBX7');

    // Click "Pause game" on load
    await page.waitForSelector('button[title="Pause game"]');
    await page.click('button[title="Pause game"]');
    console.log('Game paused. Waiting for unpause (second click)...');

    // Set up a promise in Node
    const clickedPromise = new Promise(resolve => {
        page.exposeFunction('notifyPauseButtonClicked', resolve);
    });

    // Attach a page-wide click handler in the browser context
    await page.evaluate(() => {
        // Remove any existing listener for safety
        window._pauseButtonHandler && document.removeEventListener('click', window._pauseButtonHandler);

        window._pauseButtonHandler = function (e) {
            if (
                e.target &&
                e.target.tagName === 'BUTTON' &&
                e.target.title === 'Pause game'
            ) {
                window.notifyPauseButtonClicked();
                document.removeEventListener('click', window._pauseButtonHandler); // Only once
            }
        };

        document.addEventListener('click', window._pauseButtonHandler);
    });

    console.log('Game paused. Waiting for unpause (manual click)...');
    await clickedPromise;


    // Start recording
    console.log("Recorder Start")
    const recorder = new PuppeteerScreenRecorder(page);
    await recorder.start('./replay.mp4');

    // Stop recording on game end
    let recordingStopped = false;
    async function finishRecording() {
        if (!recordingStopped) {
            recordingStopped = true;
            await recorder.stop();
            await browser.close();
            // Now rotate the video
            await rotateVideo('replay.mp4', 'output_vertical.mp4');
            await addMusicToVideo('output_vertical.mp4', './music/a-hero-of-the-80s-126684.mp3', 'final_output.mp4', 0.05);
            
        }
    }
    page.on('console', async msg => {
        if (msg.text().includes('local server ending game')) {
            console.log('Detected "local server ending game" in console. Stopping recording...');
            await finishRecording();
        }
    });

    setTimeout(async () => {
        if (!recordingStopped) {
            console.log('Timeout reached. Stopping recording...');
            await finishRecording();
        }
    }, 10 * 60 * 1000); // 5 minutes

})();






// Spina has won the game
//local server ending game