import { NextRequest, NextResponse } from 'next/server';
import { db } from '@/lib/db';

export async function GET(
    req: NextRequest,
    context: { params: Promise<{ id: string }> }
) {
    try {
        const { id } = await context.params;

        const result = await db.query(
            'SELECT network, token, balance, withdrawn, total_gross FROM merchant_balances WHERE merchant_id = $1 ORDER BY network, token',
            [id]
        );

        // Also get the merchant fee
        const merchantRes = await db.query('SELECT fee_percent FROM merchants WHERE id = $1', [id]);
        const feePercent = parseFloat(merchantRes.rows[0]?.fee_percent || '1.0');

        return NextResponse.json({
            balances: result.rows.map(r => ({
                network: r.network,
                token: r.token,
                balance: parseFloat(r.balance),
                withdrawn: parseFloat(r.withdrawn),
                totalGross: parseFloat(r.total_gross || r.balance),
                available: parseFloat(r.balance) - parseFloat(r.withdrawn)
            })),
            feePercent
        });
    } catch (err: any) {
        return NextResponse.json({ error: err.message }, { status: 500 });
    }
}