namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\Transaction;
use App\Services\SimServerService;
use DB;

class VtuController extends Controller
{
    public function buyData(Request $request)
    {
        $request->validate([
            'network' => 'required',
            'phone' => 'required',
            'plan' => 'required',
            'amount' => 'required|numeric',
            'request_id' => 'required|unique:transactions'
        ]);

        $user = $request->user();

        if ($user->wallet->balance < $request->amount) {
            return response()->json(['error' => 'Insufficient balance'], 400);
        }

        DB::transaction(function () use ($user, $request) {

            $user->wallet->decrement('balance', $request->amount);

            Transaction::create([
                'user_id' => $user->id,
                'request_id' => $request->request_id,
                'type' => 'data',
                'network' => $request->network,
                'phone' => $request->phone,
                'amount' => $request->amount,
            ]);

        });

        SimServerService::sendDataRequest(
            $request->network,
            $request->phone,
            $request->plan,
            $request->request_id
        );

        return response()->json([
            'status' => 'PROCESSING',
            'request_id' => $request->request_id
        ]);
    }

    public function simCallback(Request $request)
    {
        $txn = Transaction::where('request_id', $request->request_id)->firstOrFail();

        $txn->update([
            'status' => $request->status,
            'sim_used' => $request->sim_used,
            'response' => $request->response
        ]);

        if ($request->status === 'FAILED') {
            $txn->user->wallet->increment('balance', $txn->amount);
        }

        return response()->json(['ok' => true]);
    }
}