<?php

namespace App\Http\Controllers\Api\V1\Store;

use App\Http\Controllers\Api\V1\ApiController;
use App\Models\QrCode;
use App\Models\QrPurchaseOrder;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\URL;

class StoreQrPurchaseController extends ApiController
{
    public function pending(Request $request): JsonResponse
    {
        $orders = QrPurchaseOrder::with(['resident'])
            ->where('store_id', $request->user()->id)
            ->where('status', 'pending_payment')
            ->orderBy('created_at')
            ->get();

        return $this->ok($orders);
    }

    public function complete(Request $request, string $uuid, \App\Services\Store\StoreOperations $operations): JsonResponse
    {
        $storeOwner = $request->user();
        $store = \App\Models\PartnerStore::where('owner_user_id', $storeOwner->id)->firstOrFail();

        $order = QrPurchaseOrder::where('uuid', $uuid)
            ->where('store_id', $storeOwner->id)
            ->where('status', 'pending_payment')
            ->firstOrFail();

        $resident = \App\Models\User::findOrFail($order->resident_id);
        $household = $resident->household;

        DB::transaction(function () use ($order, $store, $household, $resident, $operations, &$sale) {
            $sale = $operations->sell(
                $store,
                $household,
                $resident,
                $order->quantity,
                config('qr.default_retail_price_per_code_centavos', 1000)
            );

            $order->update([
                'status' => 'completed',
                'completed_at' => now(),
            ]);
        });

        // Generate QR code data for the response matching sales receipt behavior
        $query = \App\Models\QrCode::where('status', \App\States\QrCode\Active::$name);
        if ($household) {
            $query->where('assigned_to_household_id', $household->id);
        } else {
            $query->where('assigned_to_user_id', $resident->id);
        }

        $codes = $query->latest('activated_at')
            ->limit($order->quantity)
            ->get();

        $qrData = $codes->map(function ($code) {
            $qr = (new \Endroid\QrCode\Builder\Builder(
                writer: new \Endroid\QrCode\Writer\PngWriter(),
                data: $code->serial,
                errorCorrectionLevel: \Endroid\QrCode\ErrorCorrectionLevel::Medium,
                size: 300,
                margin: 10
            ))->build();

            return [
                'serial' => $code->serial,
                'qr_base64' => base64_encode($qr->getString()),
            ];
        });

        return $this->ok([
            'sale' => [
                'id' => $sale->id,
                'receipt_url' => URL::temporarySignedRoute(
                    'api.v1.store.sales.receipt',
                    now()->addHours(24),
                    ['sale' => $sale->id]
                ),
                'codes_url' => URL::temporarySignedRoute(
                    'api.v1.store.sales.codes',
                    now()->addHours(24),
                    ['sale' => $sale->id]
                ),
            ],
            'codes' => $qrData,
        ], 'QR Purchase completed successfully.');
    }

    public function cancel(Request $request, string $uuid): JsonResponse
    {
        $order = QrPurchaseOrder::where('uuid', $uuid)
            ->where('store_id', $request->user()->id)
            ->where('status', 'pending_payment')
            ->firstOrFail();

        $order->update([
            'status' => 'cancelled',
        ]);

        return $this->ok($order->fresh(), 'QR Reservation cancelled successfully.');
    }
}