<?php

namespace App\Http\Controllers\Frontdesk;

use App\Http\Controllers\Controller;
use App\Http\Controllers\Frontdesk\Concerns\ScopesToAccount;
use App\Models\Host;
use App\Models\Visit;
use App\Services\Frontdesk\VisitCheckInService;
use App\Services\Frontdesk\VisitCheckOutService;
use App\Services\Frontdesk\VisitorTypeService;
use Illuminate\Database\Eloquent\ModelNotFoundException;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;
use Illuminate\Validation\ValidationException;

class KioskController extends Controller
{
    use ScopesToAccount;

    public function show(Request $request, VisitorTypeService $visitorTypes): View
    {
        $this->authorizeAbility($request, 'kiosk.use');
        $organization = $this->organization($request);
        $settings = $organization->settings ?? [];

        $hosts = Host::owned($this->ownerRef($request))
            ->where('organization_id', $organization->id)
            ->where('is_available', true);
        $this->scopeToBranch($request, $hosts);
        $hosts = $hosts->orderBy('name')->get();

        return view('frontdesk.kiosk.index', [
            'organization' => $organization,
            'hosts' => $hosts,
            'visitorTypes' => config('frontdesk.visitor_types'),
            'typeConfigs' => $visitorTypes->configsForFrontend(),
            'resetSeconds' => (int) ($settings['kiosk_reset_seconds'] ?? config('frontdesk.kiosk.inactivity_reset_seconds', 120)),
            'visitorPolicy' => $settings['visitor_policy'] ?? null,
            'checkOutUrl' => route('frontdesk.kiosk.check-out'),
            // Staff sign-in requires a registered kiosk device (/kiosk/d/{token}).
            'employeeKioskEnabled' => false,
            'stepOutReasons' => collect(config('frontdesk.employee_step_out_reasons'))
                ->map(fn ($label, $key) => ['key' => $key, 'label' => $label])
                ->values(),
        ]);
    }

    public function checkIn(Request $request, VisitCheckInService $checkIn, VisitorTypeService $visitorTypes): JsonResponse
    {
        $this->authorizeAbility($request, 'kiosk.use');
        $organization = $this->organization($request);
        $visitorType = $request->input('visitor_type', 'visitor');

        $validated = $request->validate(array_merge([
            'full_name' => ['required', 'string', 'max:255'],
            'company' => ['nullable', 'string', 'max:255'],
            'phone' => ['nullable', 'string', 'max:50'],
            'email' => ['nullable', 'email', 'max:255'],
            'host_id' => ['nullable', 'integer'],
            'visitor_type' => ['required', 'string', 'in:'.implode(',', array_keys(config('frontdesk.visitor_types')))],
            'purpose' => ['nullable', 'string', 'max:500'],
            'expected_duration_minutes' => ['nullable', 'integer'],
            'policies_accepted' => ['accepted'],
            'photo_data' => ['nullable', 'string'],
            'signature_path' => ['nullable', 'string'],
        ], $visitorTypes->validationRules($visitorType)));

        $payload = $visitorTypes->enrichCheckInData($visitorType, $validated, $organization);
        if (! empty($validated['photo_data'])) {
            $payload['photo_data'] = $validated['photo_data'];
        }

        $visit = $checkIn->checkIn($this->ownerRef($request), $organization, $payload);

        return response()->json([
            'visit' => [
                'id' => $visit->id,
                'public_id' => $visit->public_id,
                'badge_code' => $visit->badge_code,
                'visitor_name' => $visit->visitor->full_name,
                'host_name' => $visit->host?->name,
                'status' => $visit->status,
                'awaiting_approval' => $visit->awaitingApproval(),
                'checked_in_at' => $visit->checked_in_at?->toIso8601String(),
                'badge_url' => $visit->isInside() ? route('frontdesk.visits.badge', $visit) : null,
                'host_notified' => (bool) ($visit->host_notified ?? false),
            ],
        ]);
    }

    public function checkOut(Request $request, VisitCheckOutService $checkOut): JsonResponse
    {
        $this->authorizeAbility($request, 'kiosk.use');
        $organization = $this->organization($request);

        $validated = $request->validate([
            'badge_code' => ['nullable', 'string', 'max:32'],
            'qr_token' => ['nullable', 'string', 'max:500'],
        ]);

        if (trim((string) ($validated['badge_code'] ?? '')) === '' && trim((string) ($validated['qr_token'] ?? '')) === '') {
            throw ValidationException::withMessages([
                'credentials' => 'Enter your badge code or scan your badge QR code.',
            ]);
        }

        $branchScope = app(\App\Services\Frontdesk\OrganizationResolver::class)
            ->branchScope($this->member($request));

        try {
            $visit = $checkOut->checkOutFromKiosk(
                $this->ownerRef($request),
                $organization,
                $validated['badge_code'] ?? null,
                $validated['qr_token'] ?? null,
                $branchScope,
            );
        } catch (ModelNotFoundException) {
            throw ValidationException::withMessages([
                'credentials' => 'No active visit found for that badge. Ask reception if you need help.',
            ]);
        }

        return response()->json([
            'visit' => [
                'visitor_name' => $visit->visitor->full_name,
                'badge_code' => $visit->badge_code,
                'checked_out_at' => $visit->checked_out_at?->toIso8601String(),
            ],
        ]);
    }
}