const fs = require('fs');
const path = require('path');
const { renderHtml, shutdownPool } = require('./browserPool');

async function generateQuote(config, outputPath = 'quote.png') {
    const htmlTemplate = fs.readFileSync(path.join(__dirname, 'quote.html'), 'utf8');

    const configScript = `
        <script>
            window.tweetConfig = ${JSON.stringify(config)};
        </script>
    `;

    const modifiedHtml = htmlTemplate.replace('</head>', `${configScript}</head>`);

    const imageBuffer = await renderHtml(modifiedHtml, 500);
    fs.writeFileSync(outputPath, imageBuffer);

    console.log(`Quote generated: ${outputPath}`);
}


// Example usage
const exampleTweet = {
    displayName: "Geoff Marshall",
    username: "@geofftech",
    avatarUrl: "https://pbs.twimg.com/profile_images/1295490618140110848/Fu4chISB_x96.jpg",
    text: "Does anyone else find it immensely satisfying when you turn a pocket inside out and get rid of the crumbs and fluff stuck in the bottom.",
    imageUrl: null,
    timestamp: "10:04 AM · Jul 11, 2017",
    viewsCount: "128K"
};

const exampleTweetWithImage = {
    displayName: "miss katie",
    username: "@katiopolis",
    avatarUrl: "https://pbs.twimg.com/profile_images/2004569144893554688/KaYjqylC_x96.jpg",
    text: "omg i brought these watches home because none of them worked but i thought id hang onto them and my dad fixed and polished them all for me 😭 i love him so much",
    imageUrl: "https://pbs.twimg.com/media/G9Wtk1xWcAA-WMZ?format=jpg&name=large",
    timestamp: "5:58 PM · Dec 29, 2025",
    viewsCount: "1.1M"
};

// Generate both examples
(async () => {
    await generateQuote(exampleTweet, 'quote-no-image.png');
    await generateQuote(exampleTweetWithImage, 'quote-with-image.png');
    await shutdownPool();
})();

module.exports = { generateQuote };