<?php

namespace Elementor\Core\Kits\Documents\Tabs;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class Settings_Agents extends Tab_Base {

	public function get_id() {
		return 'settings-agents';
	}

	public function get_title() {
		return esc_html__( 'Agents', 'elementor' );
	}

	public function get_group() {
		return 'agents';
	}

	public function get_icon() {
		return 'eicon-ai';
	}

	public function before_save( array $data ) {
		if ( empty( $data['settings'] ) ) {
			return $data;
		}

		$llms = $this->extract_llms_from_settings( $data['settings'] );

		if ( null === $llms ) {
			return $data;
		}

		unset( $data['settings']['agents_llms'] );

		$agents = is_array( $data['settings']['agents'] ?? null ) ? $data['settings']['agents'] : [];

		if ( '' !== $llms ) {
			$agents['llms'] = $llms;
			$data['settings']['agents'] = $agents;
		} else {
			unset( $agents['llms'] );

			if ( empty( $agents ) ) {
				unset( $data['settings']['agents'] );
			} else {
				$data['settings']['agents'] = $agents;
			}
		}

		return $data;
	}

	protected function register_tab_controls() {}

	/**
	 * @param array $settings
	 *
	 * @return string|null Sanitized llms content, or null when llms was not in the payload.
	 */
	private function extract_llms_from_settings( array $settings ): ?string {
		if ( isset( $settings['agents_llms'] ) ) {
			return is_string( $settings['agents_llms'] )
				? sanitize_textarea_field( $settings['agents_llms'] )
				: '';
		}

		if ( ! isset( $settings['agents']['llms'] ) ) {
			return null;
		}

		return is_string( $settings['agents']['llms'] )
			? sanitize_textarea_field( $settings['agents']['llms'] )
			: '';
	}
}