<?php


class RsvTimetableDefinitionController {
    use RsvPagedResponseTrait;
    private string $namespace     = 'reservations/v1';
    private string $resource_name = 'timetable';

    public function register_routes(): void {
        register_rest_route($this->namespace, '/' . $this->resource_name, [
            [
                'methods'             => 'GET',
                'callback'            => [$this, 'index'],
                'permission_callback' => [RsvRestPolicy::class, 'admin'],
            ],
            [
                'methods'             => 'POST',
                'callback'            => [$this, 'create'],
                'permission_callback' => [RsvRestPolicy::class, 'admin'],
                'args'                => self::input_args(RsvTimetable::schema()),
            ],
        ]);

        register_rest_route($this->namespace, '/' . $this->resource_name . '/(?P<id>\d+)', [
            [
                'methods'             => 'PATCH',
                'callback'            => [$this, 'update'],
                'permission_callback' => [RsvRestPolicy::class, 'admin'],
                'args'                => self::input_args(RsvTimetable::schema()),
            ],
            [
                'methods'             => 'DELETE',
                'callback'            => [$this, 'destroy'],
                'permission_callback' => [RsvRestPolicy::class, 'admin'],
            ],
        ]);
    }

    public function index(WP_REST_Request $request): WP_REST_Response {
        [$skip, $limit] = self::paging($request);
        $service = new RsvTimetableService();
        return $this->paged_response($service->get_all($limit, $skip), $service->count_all());
    }

    public function create(WP_REST_Request $request): WP_REST_Response {
        $service = new RsvTimetableService();
        $id      = $service->create(new RsvTimetable([
            'name'             => $request->get_param('name'),
            'block_size'       => (int) $request->get_param('block_size'),
            'maintainer_email' => $request->get_param('maintainer_email'),
        ]));

        return new WP_REST_Response(['id' => $id], 201);
    }

    public function update(WP_REST_Request $request): WP_REST_Response {
        $id      = (int) $request->get_param('id');
        $service = new RsvTimetableService();
        $body    = $request->get_json_params();

        $timetable = $service->get($id);
        if ($timetable === null) {
            return new WP_REST_Response(['error' => 'Not found'], 404);
        }

        if (array_key_exists('name', $body))               $timetable->name               = $body['name'];
        if (array_key_exists('block_size', $body))         $timetable->block_size         = (int) $body['block_size'];
        if (array_key_exists('maintainer_email', $body))   $timetable->maintainer_email   = $body['maintainer_email'] ?: null;
        if (array_key_exists('google_calendar_id', $body)) $timetable->google_calendar_id = $body['google_calendar_id'] ?: null;

        $service->update($id, $timetable);

        return new WP_REST_Response(['id' => $id], 200);
    }

    public function destroy(WP_REST_Request $request): WP_REST_Response {
        $id      = (int) $request->get_param('id');
        $service = new RsvTimetableService();

        if ($service->get($id) === null) {
            return new WP_REST_Response(['error' => 'Not found'], 404);
        }

        $service->delete($id);

        return new WP_REST_Response(null, 204);
    }
}