<?php

namespace App\Http\Controllers;

use App\Jobs\CompositeImage;
use App\Models\Reservation;
use App\Services\PaymentGateway;
use Illuminate\Http\Request;

class PaymentController extends Controller
{
    public function charge(Request $request, PaymentGateway $gateway)
    {
        $reservationId = (int) $request->input('reservation_id');

        $reservation = Reservation::find($reservationId);
        if (! $reservation || $reservation->status !== 'held') {
            return response()->json(['message' => 'invalid_reservation'], 422);
        }

        // Compute server-side amount: price_per_cell * area
        $pricePerCell = (int) config('pixel_grid.price_per_cell', 100);
        $amount = $reservation->w * $reservation->h * $pricePerCell;
        $amountCents = $amount; // assume cents already

        $charge = $gateway->charge($reservation->id, $amountCents, []);

        if ($charge['status'] !== 'succeeded') {
            return response()->json(['message' => 'payment_failed'], 402);
        }

        // Mark reservation confirmed and dispatch composite job
        $reservation->status = 'confirmed';
        $reservation->save();

        dispatch(new CompositeImage($reservation->id));

        return response()->json(['status' => 'ok', 'charge' => $charge]);
    }
}