<?php

use WPML\TM\Jobs\Utils\ElementLink;
use WPML\FP\Obj;

/**
 * Created by OnTheGo Systems
 */
class WPML_Translations_Queue_Jobs_Model {

	/** @var  TranslationManagement $tm_instance */
	private $tm_instance;

	/** @var array $translation_jobs */
	private $translation_jobs;

	/** @var WPML_TM_API $tm_api */
	private $tm_api;

	/** @var array $post_types */
	private $post_types;

	private $post_type_names = array();

	/** @var ElementLink $element_link */
	private $element_link;

	/**
	 * WPML_Translations_Queue_Jobs_Model constructor.
	 *
	 * @param SitePress             $sitepress
	 * @param TranslationManagement $tm_instance
	 * @param WPML_TM_API           $tm_api
	 * @param ElementLink           $elemen_link
	 * @param array                 $translation_jobs
	 */
	public function __construct(
		SitePress $sitepress,
		TranslationManagement $tm_instance,
		WPML_TM_API $tm_api,
		ElementLink $elemen_link,
		array $translation_jobs
	) {
		$this->tm_instance      = $tm_instance;
		$this->tm_api           = $tm_api;
		$this->element_link     = $elemen_link;
		$this->translation_jobs = $translation_jobs;

		$this->post_types = $sitepress->get_translatable_documents( true );
		$this->post_types = apply_filters( 'wpml_get_translatable_types', $this->post_types );
	}

	public function get() {
		$model = array();

		$model['strings'] = array(
			'job_id'    => __( 'Job ID', 'wpml-translation-management' ),
			'title'     => __( 'Title', 'wpml-translation-management' ),
			'type'      => __( 'Type', 'wpml-translation-management' ),
			'language'  => __( 'Language', 'wpml-translation-management' ),
			'status'    => __( 'Translation status', 'wpml-translation-management' ),
			'deadline'  => __( 'Deadline', 'wpml-translation-management' ),
			'check_all' => __( 'Check all', 'wpml-translation-management' ),
			'confirm'   => __( 'Are you sure you want to resign from this job?', 'wpml-translation-management' ),
		);

		$model['jobs'] = array();

		foreach ( $this->translation_jobs as $job ) {
			$job->post_title   = apply_filters( 'the_title', $job->post_title, $job->original_doc_id );
			$job->tm_post_link = $this->get_post_link( $job );
			$job->post_type    = $this->get_post_type( $job );
			$job->icon         = $this->tm_instance->status2icon_class( $job->status, $job->needs_update );
			$job->status_text  = $this->get_status_text( $job );
			$job->edit_url     = $this->get_edit_url( $job );
			$job->button_text  = $this->get_button_text( $job );
			$job->is_doing_job = $this->is_doing_job( $job );
			$job->resign_text  = $this->get_resign_text( $job );
			$job->resign_url   = $this->get_resign_url( $job );
			$job->view_link    = $this->get_view_translation_link( $job );

			$model['jobs'][] = $job;
		}

		return $model;
	}

	private function get_post_link( $job ) {
		return $this->element_link->getOriginal( $job );
	}

	private function get_view_translation_link( $job ) {
		return $this->element_link->getTranslation( $job );
	}

	private function get_post_type( $job ) {
		if ( ! isset( $this->post_type_names[ $job->original_post_type ] ) ) {
			$type = $job->original_post_type;
			$name = $type;
			switch ( $job->element_type_prefix ) {
				case 'post':
					$type = substr( $type, 5 );
					break;

				case 'package':
					$type = substr( $type, 8 );
					break;

				case 'st-batch':
					$name = __( 'Strings', 'wpml-translation-management' );
					break;
			}

			$this->post_type_names[ $job->original_post_type ] =
				Obj::pathOr( $name, [ $type, 'labels', 'singular_name' ], $this->post_types );;
		}

		return $this->post_type_names[ $job->original_post_type ];
	}

	private function get_status_text( $job ) {
		$status = $this->tm_api->get_translation_status_label( $job->status );
		if ( $job->needs_update ) {
			$status .= __( ' - (needs update)', 'wpml-translation-management' );
		}

		return $status;
	}

	private function get_edit_url( $job ) {
		$edit_url = '';
		if ( $job->original_doc_id ) {
			$translation_queue_page = admin_url( 'admin.php?page='
			                                     . WPML_TM_FOLDER
			                                     . '/menu/translations-queue.php&job_id='
			                                     . $job->job_id );
			$edit_url               = apply_filters( 'icl_job_edit_url', $translation_queue_page, $job->job_id );
		}

		return $edit_url;
	}

	private function get_button_text( $job ) {

		$job_status  = (int) $job->status;
		$needs_edit  = in_array( $job_status,
		                         array( ICL_TM_WAITING_FOR_TRANSLATOR, ICL_TM_IN_PROGRESS, ICL_TM_COMPLETE ),
		                         true );
		$is_editable = ( (int) $job->translator_id ) > 0 && $needs_edit;
		if ( $is_editable ) {
			if ( $job_status == ICL_TM_COMPLETE ) {
				$button_text = __( 'Edit', 'wpml-translation-management' );
			} else {
				$button_text = __( 'Translate', 'wpml-translation-management' );
			}
		} else {
			$button_text = __( 'Take and translate', 'wpml-translation-management' );
		}

		return $button_text;
	}

	private function get_resign_text( $job ) {
		return $this->is_doing_job( $job ) ? __( 'Resign', 'wpml-translation-management' ) : '';
	}

	private function is_doing_job( $job ) {
		return $job->translator_id > 0
		       && ( $job->status == ICL_TM_WAITING_FOR_TRANSLATOR
		            || $job->status == ICL_TM_IN_PROGRESS );
	}

	private function get_resign_url( $job ) {
		return admin_url( 'admin.php?page='
		                  . WPML_TM_FOLDER
		                  . '/menu/translations-queue.php&icl_tm_action=save_translation&resign=1&job_id='
		                  . $job->job_id );
	}

}