import { connect } from 'puppeteer-real-browser';

interface Token {
    address: string;
    name: string;
    symbol: string;
}

interface PairData {
    chainId: string;
    dexId: string;
    pairAddress: string;
    baseToken: Token;
    quoteToken: Token;
    priceUsd: string;
    volume: {
        h24: number;
    };
}

interface ServerData {
    route: {
        data: {
            dexScreenerData: {
                pairs: PairData[];
            };
        };
    };
}

async function fetchTrendingTokens(): Promise<void> {
    const targetUrl = 'https://dexscreener.com/?rankBy=trendingScoreH24&order=desc&minLiq=50000';

    const { browser, page } = await connect({
        headless: false,
        turnstile: true,
        args: [],
        customConfig: {},
        connectOption: {},
        disableXvfb: false,
        ignoreAllFlags: false
    });

    try {
        await page.goto(targetUrl, { waitUntil: 'networkidle0' });

        // Wait for the data to be available
        await page.waitForFunction(() => {
            return window.hasOwnProperty('__SERVER_DATA') &&
                   (window as any).__SERVER_DATA?.route?.data?.dexScreenerData?.pairs;
        }, { timeout: 30000 });

        // Extract window.__SERVER_DATA content
        const serverData: ServerData = await page.evaluate(() => {
            const data = (window as any).__SERVER_DATA;
            // Handle any undefined values or JS objects before stringifying
            const sanitizedData = JSON.parse(JSON.stringify(data, (key, value) => {
                if (value === undefined) return null;
                if (value instanceof Date) return value.toISOString();
                if (value instanceof URL) return value.toString();
                return value;
            }));
            return sanitizedData;
        });

        const pairs = serverData.route.data.dexScreenerData.pairs;

        console.log('\nTrending Tokens:');
        pairs.forEach((pair, index) => {
            console.log(`\n${index + 1}. ${pair.baseToken.name} (${pair.baseToken.symbol})`);
            console.log(`   Chain: ${pair.chainId}`);
            console.log(`   DEX: ${pair.dexId}`);
            console.log(`   Price: $${pair.priceUsd}`);
            console.log(`   24h Volume: $${pair.volume.h24.toLocaleString()}`);
            console.log(`   Token Address: ${pair.baseToken.address}`);
        });

    } catch (error) {
        console.error('Error fetching data:', error);
    } finally {
        await browser.close();
    }
}

console.log('Fetching trending tokens...');
fetchTrendingTokens().catch(console.error);