import { NextResponse } from 'next/server';
import { getFirms } from '@/lib/db';
import { getClients } from '@/lib/clients';

export async function GET() {
    try {
        const firms = getFirms();
        const clients = getClients();

        const state = firms.map((f) => {
            const client = clients.get(f.id);
            if (!client || client.accountList.length === 0) {
                return { firm: f.name, connected: false, accounts: [] };
            }
            const accounts = client.accountList.map((acc) => {
                const cash = client.accountCashBalances[acc.id] ?? { amount: 0, realizedPnL: 0 };
                return {
                    id: acc.id,
                    name: acc.name,
                    active: acc.active,
                    amount: cash.amount,
                    realizedPnL: cash.realizedPnL,
                    daysTraded: client.daysTraded[acc.id] ?? 0,
                    hasPosition: !!client.positions[acc.id],
                };
            });
            return { firm: f.name, connected: true, accounts };
        });

        return NextResponse.json(state);
    } catch (err) {
        console.error('[GET /api/state]', err);
        return NextResponse.json({ error: 'Failed to fetch state' }, { status: 500 });
    }
}