<?php
/**
 * Cron Status Provider.
 *
 * Clean coordinator class. Delegates to specialized handlers following
 * Single Responsibility Principle. Replaces the original monolith with
 * focused composition.
 *
 * @package Accessibility_Audio_TTS\Handlers
 */

namespace Accessibility_Audio_TTS\Handlers;

use Accessibility_Audio_TTS\Handlers\Cron\Cron_Status_Data_Provider;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

use Accessibility_Audio_TTS\Handlers\Cron\Cron_Background_Statistics;
use Accessibility_Audio_TTS\Handlers\Cron\Cron_Health_Diagnostics;

/**
 * Coordinates cron status requests and composes data from sub-modules.
 */
class Cron_Status_Provider {

	/**
	 * Status data provider.
	 *
	 * @var Cron_Status_Data_Provider
	 */
	private $status_data_provider;

	/**
	 * Background statistics provider.
	 *
	 * @var Cron_Background_Statistics
	 */
	private $background_statistics;

	/**
	 * Health diagnostics provider.
	 *
	 * @var Cron_Health_Diagnostics
	 */
	private $health_diagnostics;

	/**
	 * Constructor with dependency injection.
	 *
	 * @param Cron_Status_Data_Provider|null  $status_data_provider   Optional provider.
	 * @param Cron_Background_Statistics|null $background_statistics Optional statistics provider.
	 * @param Cron_Health_Diagnostics|null    $health_diagnostics    Optional diagnostics provider.
	 */
	public function __construct(
		?Cron_Status_Data_Provider $status_data_provider = null,
		?Cron_Background_Statistics $background_statistics = null,
		?Cron_Health_Diagnostics $health_diagnostics = null
	) {
		$this->status_data_provider  = $status_data_provider ?? new Cron_Status_Data_Provider();
		$this->background_statistics = $background_statistics ?? new Cron_Background_Statistics();
		$this->health_diagnostics    = $health_diagnostics ?? new Cron_Health_Diagnostics();
	}

	/**
	 * Get complete cron status data by delegating to specialized handlers.
	 *
	 * @return array Complete status data from all specialized providers.
	 */
	public function get_complete_status(): array {
		accessibility_audio_tts_debug_log( 'Cron_Status_Provider: Collecting complete status from specialized handlers.' );

		try {
			// Delegate to specialized handlers.
			$status_data      = $this->status_data_provider->get_basic_status_data();
			$background_stats = $this->background_statistics->get_background_processing_stats();
			$health_data      = $this->health_diagnostics->get_health_status();

			// Combine all data.
			$complete_status = array_merge(
				$status_data,
				$background_stats,
				$health_data
			);

			accessibility_audio_tts_debug_log( 'Cron_Status_Provider: Complete status collected successfully.' );

			return $complete_status;

		} catch ( \Exception $e ) {
			accessibility_audio_tts_debug_log( 'Cron_Status_Provider: Error collecting status - ' . $e->getMessage() );

			// Return minimal error status.
			return array(
				'status'       => 'error',
				'message'      => 'Error collecting cron status: ' . $e->getMessage(),
				'cron_enabled' => false,
				'total_jobs'   => 0,
			);
		}
	}

	/**
	 * Get status data provider.
	 *
	 * @return Cron_Status_Data_Provider Provider instance.
	 */
	public function get_status_data_provider(): Cron_Status_Data_Provider {
		return $this->status_data_provider;
	}

	/**
	 * Get background statistics provider.
	 *
	 * @return Cron_Background_Statistics Provider instance.
	 */
	public function get_background_statistics(): Cron_Background_Statistics {
		return $this->background_statistics;
	}

	/**
	 * Get health diagnostics provider.
	 *
	 * @return Cron_Health_Diagnostics Provider instance.
	 */
	public function get_health_diagnostics(): Cron_Health_Diagnostics {
		return $this->health_diagnostics;
	}
}