import { NextRequest, NextResponse } from 'next/server';
import { getFirmById, deleteFirm } from '@/lib/db';
import { removeClient } from '@/lib/clients';

export async function GET(
    _req: NextRequest,
    { params }: { params: Promise<{ id: string }> }
) {
    const { id: idStr } = await params;
    const id = parseInt(idStr, 10);

    if (isNaN(id)) {
        return NextResponse.json({ error: 'Invalid id' }, { status: 400 });
    }

    const firm = getFirmById(id);
    if (!firm) {
        return NextResponse.json({ error: 'Firm not found' }, { status: 404 });
    }

    return NextResponse.json({
        id: firm.id,
        firm: firm.name,
        username: firm.username,
        password: firm.password,
        accounts: firm.accounts.map((a) => ({
            id: a.id,
            prefix: a.prefix,
            profitTarget: a.profit_target,
            consistency: a.consistency,
            minDayPnL: a.min_day_pnl,
            minTradingDays: a.min_trading_days,
            accountSize: a.account_size,
        })),
    });
}

export async function DELETE(
    _req: NextRequest,
    { params }: { params: Promise<{ id: string }> }
) {
    const { id: idStr } = await params;
    const id = parseInt(idStr, 10);

    if (isNaN(id)) {
        return NextResponse.json({ error: 'Invalid id' }, { status: 400 });
    }

    try {
        const deleted = deleteFirm(id);
        if (!deleted) {
            return NextResponse.json({ error: 'Firm not found' }, { status: 404 });
        }
        removeClient(id);
        return NextResponse.json({ success: true });
    } catch (err) {
        console.error('[DELETE /api/firms/:id]', err);
        return NextResponse.json({ error: 'Failed to delete firm' }, { status: 500 });
    }
}