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<?php
// phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- Needed in the folder structure.
namespace Yoast\WP\SEO\Task_List\Application\Tasks;

use Yoast\WP\SEO\Editors\Application\Analysis_Features\Enabled_Analysis_Features_Repository;
use Yoast\WP\SEO\Editors\Framework\Keyphrase_Analysis;
use Yoast\WP\SEO\Helpers\Indexable_Helper;
use Yoast\WP\SEO\Task_List\Application\Tasks\Child_Tasks\Improve_Content_SEO_Child;
use Yoast\WP\SEO\Task_List\Domain\Components\Call_To_Action_Entry;
use Yoast\WP\SEO\Task_List\Domain\Components\Copy_Set;
use Yoast\WP\SEO\Task_List\Domain\Tasks\Abstract_Post_Type_Parent_Task;
use Yoast\WP\SEO\Task_List\Domain\Tasks\Child_Task_Interface;
use Yoast\WP\SEO\Task_List\Infrastructure\Indexables\Recent_Content_Indexable_Collector;

/**
 * Represents the task for improving content SEO.
 */
class Improve_Content_SEO extends Abstract_Post_Type_Parent_Task {

	use Recent_Content_Task_Trait;

	/**
	 * The default maximum number of content items to retrieve.
	 *
	 * @var int
	 */
	public const DEFAULT_LIMIT = 100;

	/**
	 * Holds the id.
	 *
	 * @var string
	 */
	protected $id = 'improve-content-seo';

	/**
	 * Holds the priority.
	 *
	 * @var string
	 */
	protected $priority = 'medium';

	/**
	 * Holds the recent content indexable collector.
	 *
	 * @var Recent_Content_Indexable_Collector
	 */
	private $recent_content_indexable_collector;

	/**
	 * Holds the indexable helper.
	 *
	 * @var Indexable_Helper
	 */
	private $indexable_helper;

	/**
	 * Holds the enabled analysis features repository.
	 *
	 * @var Enabled_Analysis_Features_Repository
	 */
	private $enabled_analysis_features_repository;

	/**
	 * Constructs the task.
	 *
	 * @param Recent_Content_Indexable_Collector   $recent_content_indexable_collector   The recent content indexable collector.
	 * @param Indexable_Helper                     $indexable_helper                     The indexable helper.
	 * @param Enabled_Analysis_Features_Repository $enabled_analysis_features_repository The enabled analysis features repository.
	 */
	public function __construct(
		Recent_Content_Indexable_Collector $recent_content_indexable_collector,
		Indexable_Helper $indexable_helper,
		Enabled_Analysis_Features_Repository $enabled_analysis_features_repository
	) {
		$this->recent_content_indexable_collector   = $recent_content_indexable_collector;
		$this->indexable_helper                     = $indexable_helper;
		$this->enabled_analysis_features_repository = $enabled_analysis_features_repository;
	}

	/**
	 * Returns the task's link.
	 *
	 * @return string|null
	 */
	public function get_link(): ?string {
		return null;
	}

	/**
	 * Returns the task's call to action entry.
	 *
	 * @return Call_To_Action_Entry|null
	 */
	public function get_call_to_action(): ?Call_To_Action_Entry {
		return null;
	}

	/**
	 * Returns the task's copy set.
	 *
	 * @return Copy_Set
	 */
	public function get_copy_set(): Copy_Set {
		// @TODO: the copy in the task is very much WIP from the designing team, so let's deal with that later on.
		$post_type = \get_post_type_object( $this->get_post_type() );

		return new Copy_Set(
			/* translators: %1$s expands to the post type label this task is about */
			\sprintf( \__( 'Improve the SEO of your recent content: %1$s', 'wordpress-seo' ), $post_type->label ),
			\sprintf(
				/* translators: %1$s expands to an opening p tag, %2$s and %4$s expand to a closing p tag, %3$s expands to an opening p tag and opening strong tag, %5$s expands to a closing strong tag, %6$s expands to an opening strong tag, %7$s expands to a closing strong tag and closing p tag */
				\__( '%1$sBy aligning your content with search intent and focus keyphrases, you make it easier for people and AI systems to find your website, improving your organic visibility. Use the recommendations in the SEO analysis to strengthen your technical performance and ranking potential.%2$s%3$sPro tip%5$s: Use %6$sAI Generate%7$s to quickly generate high quality meta descriptions and keyphrase-rich headers that rank well.%4$s', 'wordpress-seo' ),
				'<p>',
				'</p>',
				'<p><strong>',
				'</p>',
				'</strong>',
				'<strong>',
				'</strong>',
			),
		);
	}

	/**
	 * Populates the child tasks by querying content modified in the last two months.
	 *
	 * @return Child_Task_Interface[]
	 */
	public function populate_child_tasks(): array {
		$post_type = $this->get_post_type();

		if ( empty( $post_type ) ) {
			return [];
		}

		$two_months_ago = $this->get_recency_timestamp();

		$recent_content_items = $this->recent_content_indexable_collector->get_recent_content_with_seo_scores(
			$post_type,
			$two_months_ago,
			self::DEFAULT_LIMIT,
		);

		$child_tasks = [];
		foreach ( $recent_content_items as $content_item_score_data ) {
			$child_tasks[] = new Improve_Content_SEO_Child(
				$this,
				$content_item_score_data,
			);
		}

		return $child_tasks;
	}

	/**
	 * Returns whether the task is valid.
	 *
	 * @return bool
	 */
	public function is_valid(): bool {
		if ( ! $this->indexable_helper->should_index_indexables() ) {
			return false;
		}

		$enabled_features = $this->enabled_analysis_features_repository->get_enabled_features()->to_array();
		if ( ! isset( $enabled_features[ Keyphrase_Analysis::NAME ] ) || $enabled_features[ Keyphrase_Analysis::NAME ] === false ) {
			return false;
		}

		return true;
	}
}