<?php

namespace App\Http\Controllers;

use App\Enums\{AppointmentStatus, NotificationType};
use App\Models\Appointment;
use App\Services\Notifications\NotificationService;
use App\Services\Tenant\TenantContext;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;
use RuntimeException;

class CustomerAppointmentsController extends Controller
{
    public function index(Request $request, TenantContext $tenant): View
    {
        $business = $tenant->require(); $customer = $request->user()->customerProfiles()->where('businessId', $business->id)->firstOrFail();
        $appointments = $customer->appointments()->with(['staff.user', 'services.service'])->orderByDesc('startAt')->get();
        return view('customer.appointments', compact('business', 'appointments'));
    }

    public function show(Request $request, TenantContext $tenant, Appointment $appointment): View
    {
        $business = $tenant->require(); $customer = $request->user()->customerProfiles()->where('businessId', $business->id)->firstOrFail();
        abort_unless($appointment->businessId === $business->id && $appointment->customerId === $customer->id, 404);
        $appointment->load(['staff.user', 'services.service']);
        return view('customer.appointment', compact('business', 'appointment'));
    }

    public function cancel(Request $request, TenantContext $tenant, Appointment $appointment, NotificationService $notifications): RedirectResponse
    {
        $business = $tenant->require(); $customer = $request->user()->customerProfiles()->where('businessId', $business->id)->firstOrFail();
        abort_unless($appointment->businessId === $business->id && $appointment->customerId === $customer->id, 404);
        if (! in_array($appointment->status, [AppointmentStatus::Pending, AppointmentStatus::Confirmed], true)) throw new RuntimeException('This appointment cannot be cancelled.');
        $window = (int) ($business->bookingRule?->cancellationWindowHours ?? 24);
        if ($appointment->startAt->isBefore(now()->addHours($window))) throw new RuntimeException('This appointment is inside the cancellation window.');
        $appointment->status = AppointmentStatus::Cancelled; $appointment->cancelledAt = now(); $appointment->cancelledByUserId = $request->user()->id; $appointment->cancellationReason = 'Cancelled by customer'; $appointment->save();
        $notifications->create($business, NotificationType::BookingCancelled, 'Your appointment has been cancelled.', "appointment-cancelled:{$appointment->id}", null, $customer->id, $appointment->id, '/appointments', $business->name);
        return redirect()->route('customer.appointments')->with('status', 'Appointment cancelled.');
    }
}