<?php

namespace App\Http\Controllers\Api;

use App\Models\Calendar;
use Symfony\Component\HttpFoundation\Response;

class CalendarController extends BaseApiController
{
    protected Calendar $calendar;

    public function __construct()
    {
        parent::__construct();
        $this->calendar = model(Calendar::class);
    }

    public function index()
    {
        $page     = max(1, (int) ($this->request->getGet('page') ?? 1));
        $perPage  = min(100, max(1, (int) ($this->request->getGet('per_page') ?? 20)));
        $month    = $this->request->getGet('month');
        $year     = $this->request->getGet('year');

        $query = $this->calendar->newQuery();

        if ($month && $year) {
            $query->whereMonth('start_date', $month)->whereYear('start_date', $year);
        } elseif ($year) {
            $query->whereYear('start_date', $year);
        }

        $query->orderBy('start_date', 'ASC');

        $result = $this->paginate($query, $page, $perPage);

        return $this->success($result, 'Calendar events retrieved successfully');
    }

    public function show($id = null)
    {
        $event = $this->calendar->find($id);
        if (!$event) {
            return $this->respondError('Event not found', Response::HTTP_NOT_FOUND);
        }

        return $this->success($event, 'Calendar event retrieved successfully');
    }

    public function store()
    {
        $data = $this->payloadData();
        $rules = [
            'title'       => 'required|string|max_length[255]',
            'description' => 'permit_empty|string',
            'start_date'  => 'required|valid_date[Y-m-d]',
            'end_date'    => 'permit_empty|valid_date[Y-m-d]',
            'location'    => 'permit_empty|string|max_length[255]',
        ];

        $errors = $this->validateRequest($data, $rules);
        if (!empty($errors)) {
            return $this->respondValidationError($errors);
        }

        $event = $this->calendar->create($data);

        return $this->respondCreated([
            'id'   => $event->id,
            'data' => $event,
        ], 'Calendar event created successfully');
    }

    public function update($id = null)
    {
        $event = $this->calendar->find($id);
        if (!$event) {
            return $this->respondError('Event not found', Response::HTTP_NOT_FOUND);
        }

        $data = $this->payloadData();
        $rules = [
            'title'       => 'permit_empty|string|max_length[255]',
            'description' => 'permit_empty|string',
            'start_date'  => 'permit_empty|valid_date[Y-m-d]',
            'end_date'    => 'permit_empty|valid_date[Y-m-d]',
            'location'    => 'permit_empty|string|max_length[255]',
        ];

        $errors = $this->validateRequest($data, $rules);
        if (!empty($errors)) {
            return $this->respondValidationError($errors);
        }

        $event->fill($data);
        $event->save();

        return $this->success($event->fresh(), 'Calendar event updated successfully');
    }

    public function delete($id = null)
    {
        $event = $this->calendar->find($id);
        if (!$event) {
            return $this->respondError('Event not found', Response::HTTP_NOT_FOUND);
        }

        $event->delete();
        return $this->respondDeleted(null, 'Calendar event deleted successfully');
    }
}