<?php

namespace Texty\Api;

use Texty\Notifications as TextyNotifications;
use WP_REST_Server;

class Notifications extends Base {

    /**
     * Initialize
     *
     * @return void
     */
    public function __construct() {
        $this->namespace = 'texty/v1';
        $this->rest_base = 'notifications';
    }

    /**
     * Registers the routes for the objects of the controller.
     *
     * @return void
     */
    public function register_routes() {
        register_rest_route(
            $this->namespace,
            '/' . $this->rest_base,
            [
                [
                    'methods'             => WP_REST_Server::READABLE,
                    'callback'            => [ $this, 'get_items' ],
                    'permission_callback' => [ $this, 'admin_permissions_check' ],
                    'args'                => [],
                ],
                [
                    'methods'             => WP_REST_Server::EDITABLE,
                    'callback'            => [ $this, 'update_items' ],
                    'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
                    'permission_callback' => [ $this, 'admin_permissions_check' ],
                ],
                'schema' => [ $this, 'get_item_schema' ],
            ]
        );
    }

    /**
     * Retrieves a list of items.
     *
     * @param WP_Rest_Request $request
     *
     * @return WP_Rest_Response|WP_Error
     */
    public function get_items( $request ) {
        if ( isset( $request['context'] ) && $request['context'] === 'edit' ) {
            $notifications = texty()->notifications()->all();

            $response = [
                'groups'        => texty()->notifications()->get_groups(),
                'roles'         => $this->get_roles(),
                'notifications' => array_map( function ( $notifier ) { // phpcs:ignore
                    $obj = new $notifier();

                    return [
                        'id'           => $obj->get_id(),
                        'enabled'      => $obj->enabled(),
                        'title'        => $obj->get_title(),
                        'type'         => $obj->get_type(),
                        'message'      => $obj->get_message_raw(),
                        'route'        => 'sms',
                        'group'        => $obj->get_group(),
                        'recipients'   => $obj->get_recipients_raw(),
                        'replacements' => array_merge(
                            array_keys( $obj->replacement_keys() ),
                            array_keys( $obj->global_replacement_keys() )
                        ),
                    ];
                }, $notifications ), // phpcs:ignore
            ];
        } else {
            $response = texty()->notifications()->settings();
        }

        return rest_ensure_response( $response );
    }

    /**
     * Updates item from the collection.
     *
     * @param WP_REST_Request $request
     *
     * @return WP_Error|WP_REST_Response
     */
    public function update_items( $request ) {
        $settings      = [];
        $notifications = texty()->notifications()->all();

        foreach ( $notifications as $class ) {
            $obj = new $class();

            if ( $request->has_param( $obj->get_id() ) ) {
                $settings[ $obj->get_id() ] = $request->get_param( $obj->get_id() );
            }
        }

        update_option( TextyNotifications::OPTION_KEY, $settings, false );

        $request->set_param( 'context', 'edit' );

        return $this->get_items( $request );
    }

    /**
     * Get user roles
     *
     * @return array
     */
    public function get_roles() {
        $roles = [];

        foreach ( wp_roles()->get_names() as $value => $label ) {
            $roles[] = [
                'label' => $label,
                'value' => $value,
            ];
        }

        return $roles;
    }
}