<?php

declare(strict_types=1);

namespace App\Http\Controllers;

use App\Http\Requests\SaveProductionOrderDeliveryRequest;
use App\Models\ProductionOrder;
use App\Models\ProductionOrderDelivery;
use App\Services\ProductionOrderPlanningService;
use Carbon\CarbonImmutable;
use Carbon\CarbonInterface;
use Illuminate\Contracts\View\View;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;

class ProductionOrderDeliveryController extends Controller
{
    public function index(Request $request): View
    {
        $validated = $request->validate([
            'week' => ['nullable', 'date'],
        ]);
        $weekStart = CarbonImmutable::parse($validated['week'] ?? now())
            ->startOfWeek(CarbonInterface::MONDAY);
        $weekEnd = $weekStart->endOfWeek(CarbonInterface::SUNDAY);
        $days = collect(range(0, 6))->mapWithKeys(static function (int $offset) use ($weekStart): array {
            $date = $weekStart->addDays($offset);

            return [$date->toDateString() => $date];
        });
        $deliveries = ProductionOrderDelivery::query()
            ->whereBetween('delivery_date', [$weekStart->toDateString(), $weekEnd->toDateString()])
            ->with(['productionOrder', 'driver'])
            ->orderBy('delivery_date')
            ->orderBy('delivery_time')
            ->orderBy('id')
            ->get()
            ->groupBy(fn (ProductionOrderDelivery $delivery): string => $delivery->delivery_date->toDateString());
        $nav = $this->startNavigationContext($request);

        return view('production_order_deliveries.index', [
            'active' => 'schedule_deliveries',
            'title' => 'График доставок',
            'days' => $days,
            'deliveries' => $deliveries,
            'weekStart' => $weekStart,
            'weekEnd' => $weekEnd,
            'previousWeek' => $weekStart->subWeek()->toDateString(),
            'nextWeek' => $weekStart->addWeek()->toDateString(),
            'nav' => $nav,
        ]);
    }

    public function store(
        SaveProductionOrderDeliveryRequest $request,
        ProductionOrder $productionOrder,
        ProductionOrderPlanningService $service,
    ): RedirectResponse {
        $service->createDelivery($productionOrder, $request->validated(), $request->user());

        return $this->redirectToOrder($request, $productionOrder)
            ->with('success', 'Доставка добавлена.');
    }

    public function update(
        SaveProductionOrderDeliveryRequest $request,
        ProductionOrder $productionOrder,
        ProductionOrderDelivery $delivery,
        ProductionOrderPlanningService $service,
    ): RedirectResponse {
        $this->assertBelongsToOrder($productionOrder, $delivery);
        $service->updateDelivery($delivery, $request->validated(), $request->user());

        return $this->redirectToOrder($request, $productionOrder)
            ->with('success', 'Доставка обновлена.');
    }

    public function destroy(
        Request $request,
        ProductionOrder $productionOrder,
        ProductionOrderDelivery $delivery,
        ProductionOrderPlanningService $service,
    ): RedirectResponse {
        $this->assertBelongsToOrder($productionOrder, $delivery);
        $service->deleteDelivery($delivery);

        return $this->redirectToOrder($request, $productionOrder)
            ->with('success', 'Доставка удалена.');
    }

    private function assertBelongsToOrder(
        ProductionOrder $order,
        ProductionOrderDelivery $delivery,
    ): void {
        abort_unless($delivery->production_order_id === $order->id, 404);
    }

    private function redirectToOrder(Request $request, ProductionOrder $order): RedirectResponse
    {
        return redirect()->route('schedule.orders.show', $this->withNav(
            ['productionOrder' => $order],
            $this->resolveNavToken($request),
        ));
    }
}