<?php

namespace App\Http\Controllers;

use App\Http\Requests\StorePersonRequest;
use App\Http\Requests\UpdatePersonRequest;
use App\Models\Person;
use Illuminate\Http\Request;
use Illuminate\Http\JsonResponse;
use Exception;

class PersonController extends Controller
{
    protected array $relations = ['migration', 'naturalization', 'residence', 'family', 'internment'];

    public function index(Request $request): JsonResponse
    {
        try {
            $query = Person::with($this->relations);

            if ($search = $request->search) {
                $query->where(fn($q) =>
                    $q->where('full_name', 'LIKE', "%$search%")
                      ->orWhere('surname', 'LIKE', "%$search%")
                      ->orWhere('occupation', 'LIKE', "%$search%")
                );
            }

            return response()->json([
                'success' => true,
                'data' => $query->paginate(10),
                'message' => 'Persons retrieved successfully'
            ]);
        } catch (Exception $e) {
            return $this->errorResponse('Failed to retrieve persons', $e);
        }
    }

    public function show(string $id): JsonResponse
    {
        try {
            $person = Person::with($this->relations)->find($id);

            return $person
                ? $this->successResponse($person, 'Person retrieved successfully')
                : $this->notFoundResponse('Person not found');
        } catch (Exception $e) {
            return $this->errorResponse('Failed to retrieve person', $e);
        }
    }

    public function store(StorePersonRequest $request): JsonResponse
    {
        try {
            $data = $request->only([
                'surname', 'christian_name', 'date_of_birth', 'place_of_birth',
                'date_of_death', 'occupation', 'additional_notes', 'reference', 'id_card_no'
            ]);
            $data['full_name'] = trim("{$request->christian_name} {$request->surname}");

            $person = Person::create($data);

            foreach ($this->relations as $relation) {
                if ($request->has($relation)) {
                    $person->$relation()->create($request->$relation);
                }
            }

            return $this->successResponse(
                $person->load($this->relations),
                'Person created successfully',
                201
            );
        } catch (Exception $e) {
            return $this->errorResponse('Failed to create person', $e);
        }
    }

    public function update(UpdatePersonRequest $request, string $id): JsonResponse
    {
        try {
            $person = Person::findOrFail($id);

            $data = $request->only([
                'surname', 'christian_name', 'date_of_birth', 'place_of_birth',
                'date_of_death', 'occupation', 'additional_notes', 'reference', 'id_card_no'
            ]);

            if ($request->hasAny(['christian_name', 'surname'])) {
                $christian = $request->input('christian_name', $person->christian_name);
                $surname = $request->input('surname', $person->surname);
                $data['full_name'] = trim("$christian $surname");
            }

            $person->update($data);

            foreach ($this->relations as $relation) {
                if (is_array($request->$relation ?? null)) {
                    $person->$relation
                        ? $person->$relation->update($request->$relation)
                        : $person->$relation()->create($request->$relation);
                }
            }

            return $this->successResponse(
                $person->load($this->relations),
                'Person updated successfully'
            );
        } catch (Exception $e) {
            return $this->errorResponse('Failed to update person', $e);
        }
    }

    public function destroy(string $id): JsonResponse
    {
        try {
            $person = Person::with($this->relations)->findOrFail($id);

            foreach ($this->relations as $relation) {
                $person->$relation?->delete();
            }

            $person->delete();

            return $this->successResponse(null, 'Person deleted successfully');
        } catch (Exception $e) {
            return $this->errorResponse('Failed to delete person', $e);
        }
    }

    // Response helpers
    protected function successResponse($data, string $message, int $status = 200): JsonResponse
    {
        return response()->json(['success' => true, 'data' => $data, 'message' => $message], $status);
    }

    protected function notFoundResponse(string $message): JsonResponse
    {
        return response()->json(['success' => false, 'message' => $message], 404);
    }

    protected function errorResponse(string $message, Exception $e): JsonResponse
    {
        return response()->json([
            'success' => false,
            'message' => $message,
            'error' => $e->getMessage()
        ], 500);
    }
    public function search(Request $request): JsonResponse
{
    try {
        $query = Person::query()->with($this->relations);

        if ($search = $request->input('query')) {
            $query->where(function ($q) use ($search) {
                $q->where('full_name', 'LIKE', "%$search%")
                    ->orWhere('surname', 'LIKE', "%$search%")
                    ->orWhere('christian_name', 'LIKE', "%$search%")
                    ->orWhere('occupation', 'LIKE', "%$search%")
                    ->orWhere('place_of_birth', 'LIKE', "%$search%")
                    ->orWhere('id_card_no', 'LIKE', "%$search%");
            });
        }

        return $this->successResponse(
            $query->paginate(10),
            'Search results returned successfully'
        );
    } catch (Exception $e) {
        return $this->errorResponse('Failed to perform search', $e);
    }
}

}