import { NextResponse } from 'next/server'

export async function GET(request: Request) {
  try {
    const { searchParams } = new URL(request.url);
    const symbol = searchParams.get('symbol');
    
    // Get REAL price data from CoinGecko
    let coinGeckoId = 'solana'; // Default
    if (symbol) {
      const symbolMap: { [key: string]: string } = {
        'SOL': 'solana',
        'SOLUSD': 'solana',
        'BTC': 'bitcoin',
        'ETH': 'ethereum'
      };
      coinGeckoId = symbolMap[symbol.toUpperCase()] || 'solana';
    }
    
    const response = await fetch(
      `https://api.coingecko.com/api/v3/simple/price?ids=${coinGeckoId}&vs_currencies=usd&include_24hr_change=true&include_market_cap=true&include_24hr_vol=true`
    );
    
    if (!response.ok) {
      throw new Error('CoinGecko API failed');
    }
    
    const data = await response.json();
    const coinData = data[coinGeckoId];
    
    if (!coinData) {
      throw new Error('No price data found');
    }
    
    const priceData = {
      symbol: symbol || 'SOL',
      price: coinData.usd,
      change24h: coinData.usd_24h_change || 0,
      volume24h: coinData.usd_24h_vol || 0,
      marketCap: coinData.usd_market_cap || 0,
      lastUpdated: new Date().toISOString(),
      source: 'COINGECKO_API'
    };

    return NextResponse.json(priceData);
  } catch (error) {
    return NextResponse.json({
      error: 'Failed to fetch prices',
      message: error instanceof Error ? error.message : 'Unknown error'
    }, { status: 500 })
  }
}