<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Api\Concerns\ScopesToOwner;
use App\Http\Controllers\Controller;
use App\Models\Organization;
use App\Models\Visit;
use App\Services\Frontdesk\VisitCheckInService;
use App\Services\Frontdesk\VisitCheckOutService;
use App\Services\Frontdesk\VisitLifecycleService;
use App\Services\Frontdesk\VisitScheduleService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class VisitController extends Controller
{
    use ScopesToOwner;

    public function index(Request $request): JsonResponse
    {
        $owner = $this->ownerRef($request);

        $visits = Visit::owned($owner)
            ->with(['visitor', 'host'])
            ->when($request->status, fn ($q, $s) => $q->where('status', $s))
            ->latest()
            ->paginate(min((int) $request->query('per_page', 25), 100));

        return response()->json($visits);
    }

    public function store(Request $request, VisitCheckInService $checkIn, VisitScheduleService $scheduler): JsonResponse
    {
        $owner = $this->ownerRef($request);
        $organization = Organization::owned($owner)->findOrFail($request->integer('organization_id'));
        $source = (string) $request->attributes->get('service_caller', 'api');

        if ($request->filled('external_ref')) {
            $existing = Visit::owned($owner)
                ->where('organization_id', $organization->id)
                ->where('external_ref', $request->string('external_ref'))
                ->where('source', $source)
                ->with(['visitor', 'host'])
                ->first();

            if ($existing) {
                return response()->json($existing);
            }
        }

        if ($request->boolean('schedule')) {
            $validated = $request->validate([
                'organization_id' => ['required', 'integer'],
                'external_ref' => ['nullable', 'string', 'max:128'],
                'visitor_id' => ['nullable', 'integer'],
                'full_name' => ['required_without:visitor_id', 'string', 'max:255'],
                'company' => ['nullable', 'string'],
                'phone' => ['nullable', 'string'],
                'email' => ['nullable', 'email'],
                'host_id' => ['nullable', 'integer'],
                'branch_id' => ['nullable', 'integer'],
                'visitor_type' => ['required', 'string'],
                'purpose' => ['nullable', 'string'],
                'scheduled_at' => ['required', 'date'],
                'notes' => ['nullable', 'string'],
                'integration_metadata' => ['nullable', 'array'],
            ]);

            $visit = $scheduler->schedule($owner, $organization, [
                ...$validated,
                'source' => $source,
            ]);

            return response()->json($visit->load(['visitor', 'host']), 201);
        }

        $validated = $request->validate([
            'organization_id' => ['required', 'integer'],
            'external_ref' => ['nullable', 'string', 'max:128'],
            'full_name' => ['required', 'string', 'max:255'],
            'company' => ['nullable', 'string'],
            'phone' => ['nullable', 'string'],
            'email' => ['nullable', 'email'],
            'host_id' => ['nullable', 'integer'],
            'visitor_type' => ['required', 'string'],
            'purpose' => ['nullable', 'string'],
            'integration_metadata' => ['nullable', 'array'],
            'policies_accepted' => ['nullable', 'boolean'],
        ]);

        $visit = $checkIn->checkIn($owner, $organization, [
            ...$validated,
            'source' => $source,
            'policies_accepted' => $validated['policies_accepted'] ?? true,
        ]);

        return response()->json($visit->load(['visitor', 'host']), 201);
    }

    public function show(Request $request, Visit $visit): JsonResponse
    {
        $this->authorizeOwner($request, $visit);

        return response()->json($visit->load(['visitor', 'host']));
    }

    public function checkOut(Request $request, Visit $visit, VisitCheckOutService $checkOut): JsonResponse
    {
        $this->authorizeOwner($request, $visit);

        return response()->json($checkOut->checkOut($visit));
    }

    public function activate(Request $request, Visit $visit, VisitLifecycleService $lifecycle): JsonResponse
    {
        $this->authorizeOwner($request, $visit);

        $visit = $lifecycle->checkInFromSchedule($visit);

        return response()->json($visit->load(['visitor', 'host']));
    }

    public function approve(Request $request, Visit $visit, VisitLifecycleService $lifecycle): JsonResponse
    {
        $this->authorizeOwner($request, $visit);

        $visit = $lifecycle->approve($visit);

        return response()->json($visit->load(['visitor', 'host']));
    }

    public function cancel(Request $request, Visit $visit, VisitLifecycleService $lifecycle): JsonResponse
    {
        $this->authorizeOwner($request, $visit);

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

        return response()->json(
            $lifecycle->cancel($visit, null, $validated['reason'] ?? null)->load(['visitor', 'host']),
        );
    }
}