<?php

namespace App\Http\Controllers;

use App\Domain\Reservations\Models\Reservation;
use Carbon\CarbonImmutable;
use Illuminate\Http\Request;
use Inertia\Inertia;
use Inertia\Response;

class GlobalCalendarController extends Controller
{
    public function __invoke(Request $request): Response
    {
        $filters = $request->validate([
            'month' => ['nullable', 'date_format:Y-m'],
            'status' => ['nullable', 'string', 'in:pending,confirmed,closed'],
        ]);
        $month = isset($filters['month'])
            ? CarbonImmutable::createFromFormat('!Y-m', $filters['month'])
            : now()->startOfMonth();

        $query = Reservation::query()
            ->with(['requester:id,name,department', 'items.asset:id,name,asset_tag'])
            ->where('starts_at', '<', $month->addMonth())
            ->where('ends_at', '>', $month);

        if (! empty($filters['status'])) {
            $statusMap = [
                'pending' => ['pending_approval', 'awaiting_information'],
                'confirmed' => ['approved', 'ready', 'delivered', 'in_use'],
                'closed' => ['rejected', 'cancelled', 'expired', 'no_show', 'completed'],
            ];
            $query->whereIn('status', $statusMap[$filters['status']]);
        }

        return Inertia::render('reservations/calendar', [
            'scope' => 'global',
            'month' => $month->format('Y-m'),
            'reservations' => $query->orderBy('starts_at')->get(),
            'status' => $filters['status'] ?? '',
        ]);
    }
}