<?php
/**
 * The translate model class for ThemeIsle SDK
 *
 * @package     ThemeIsleSDK
 * @subpackage  Modules
 * @copyright   Copyright (c) 2017, Marius Cristea
 * @license     http://opensource.org/licenses/gpl-3.0.php GNU Public License
 * @since       1.0.0
 */

namespace ThemeisleSDK\Modules;

use ThemeisleSDK\Common\Abstract_Module;
use ThemeisleSDK\Product;

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

/**
 * Translate module for ThemeIsle SDK.
 */
class Translate extends Abstract_Module {
	/**
	 * List of available locales.
	 *
	 * @var array Array of available locals.
	 */
	private static $locales = array(
		'af'             => array(
			'slug' => 'af',
			'name' => 'Afrikaans',
		),
		'ak'             => array(
			'slug' => 'ak',
			'name' => 'Akan',
		),
		'am'             => array(
			'slug' => 'am',
			'name' => 'Amharic',
		),
		'ar'             => array(
			'slug' => 'ar',
			'name' => 'Arabic',
		),
		'arq'            => array(
			'slug' => 'arq',
			'name' => 'Algerian Arabic',
		),
		'ary'            => array(
			'slug' => 'ary',
			'name' => 'Moroccan Arabic',
		),
		'as'             => array(
			'slug' => 'as',
			'name' => 'Assamese',
		),
		'ast'            => array(
			'slug' => 'ast',
			'name' => 'Asturian',
		),
		'az'             => array(
			'slug' => 'az',
			'name' => 'Azerbaijani',
		),
		'azb'            => array(
			'slug' => 'azb',
			'name' => 'South Azerbaijani',
		),
		'az_TR'          => array(
			'slug' => 'az-tr',
			'name' => 'Azerbaijani (Turkey)',
		),
		'ba'             => array(
			'slug' => 'ba',
			'name' => 'Bashkir',
		),
		'bal'            => array(
			'slug' => 'bal',
			'name' => 'Catalan (Balear)',
		),
		'bcc'            => array(
			'slug' => 'bcc',
			'name' => 'Balochi Southern',
		),
		'bel'            => array(
			'slug' => 'bel',
			'name' => 'Belarusian',
		),
		'bg_BG'          => array(
			'slug' => 'bg',
			'name' => 'Bulgarian',
		),
		'bn_BD'          => array(
			'slug' => 'bn',
			'name' => 'Bengali',
		),
		'bo'             => array(
			'slug' => 'bo',
			'name' => 'Tibetan',
		),
		'bre'            => array(
			'slug' => 'br',
			'name' => 'Breton',
		),
		'bs_BA'          => array(
			'slug' => 'bs',
			'name' => 'Bosnian',
		),
		'ca'             => array(
			'slug' => 'ca',
			'name' => 'Catalan',
		),
		'ceb'            => array(
			'slug' => 'ceb',
			'name' => 'Cebuano',
		),
		'ckb'            => array(
			'slug' => 'ckb',
			'name' => 'Kurdish (Sorani)',
		),
		'co'             => array(
			'slug' => 'co',
			'name' => 'Corsican',
		),
		'cs_CZ'          => array(
			'slug' => 'cs',
			'name' => 'Czech',
		),
		'cy'             => array(
			'slug' => 'cy',
			'name' => 'Welsh',
		),
		'da_DK'          => array(
			'slug' => 'da',
			'name' => 'Danish',
		),
		'de_DE'          => array(
			'slug' => 'de',
			'name' => 'German',
		),
		'de_CH'          => array(
			'slug' => 'de-ch',
			'name' => 'German (Switzerland)',
		),
		'dv'             => array(
			'slug' => 'dv',
			'name' => 'Dhivehi',
		),
		'dzo'            => array(
			'slug' => 'dzo',
			'name' => 'Dzongkha',
		),
		'el'             => array(
			'slug' => 'el',
			'name' => 'Greek',
		),
		'art_xemoji'     => array(
			'slug' => 'art-xemoji',
			'name' => 'Emoji',
		),
		'en_US'          => array(
			'slug' => 'en',
			'name' => 'English',
		),
		'en_AU'          => array(
			'slug' => 'en-au',
			'name' => 'English (Australia)',
		),
		'en_CA'          => array(
			'slug' => 'en-ca',
			'name' => 'English (Canada)',
		),
		'en_GB'          => array(
			'slug' => 'en-gb',
			'name' => 'English (UK)',
		),
		'en_NZ'          => array(
			'slug' => 'en-nz',
			'name' => 'English (New Zealand)',
		),
		'en_ZA'          => array(
			'slug' => 'en-za',
			'name' => 'English (South Africa)',
		),
		'eo'             => array(
			'slug' => 'eo',
			'name' => 'Esperanto',
		),
		'es_ES'          => array(
			'slug' => 'es',
			'name' => 'Spanish (Spain)',
		),
		'es_AR'          => array(
			'slug' => 'es-ar',
			'name' => 'Spanish (Argentina)',
		),
		'es_CL'          => array(
			'slug' => 'es-cl',
			'name' => 'Spanish (Chile)',
		),
		'es_CO'          => array(
			'slug' => 'es-co',
			'name' => 'Spanish (Colombia)',
		),
		'es_CR'          => array(
			'slug' => 'es-cr',
			'name' => 'Spanish (Costa Rica)',
		),
		'es_GT'          => array(
			'slug' => 'es-gt',
			'name' => 'Spanish (Guatemala)',
		),
		'es_MX'          => array(
			'slug' => 'es-mx',
			'name' => 'Spanish (Mexico)',
		),
		'es_PE'          => array(
			'slug' => 'es-pe',
			'name' => 'Spanish (Peru)',
		),
		'es_PR'          => array(
			'slug' => 'es-pr',
			'name' => 'Spanish (Puerto Rico)',
		),
		'es_VE'          => array(
			'slug' => 'es-ve',
			'name' => 'Spanish (Venezuela)',
		),
		'et'             => array(
			'slug' => 'et',
			'name' => 'Estonian',
		),
		'eu'             => array(
			'slug' => 'eu',
			'name' => 'Basque',
		),
		'fa_IR'          => array(
			'slug' => 'fa',
			'name' => 'Persian',
		),
		'fa_AF'          => array(
			'slug' => 'fa-af',
			'name' => 'Persian (Afghanistan)',
		),
		'fuc'            => array(
			'slug' => 'fuc',
			'name' => 'Fulah',
		),
		'fi'             => array(
			'slug' => 'fi',
			'name' => 'Finnish',
		),
		'fo'             => array(
			'slug' => 'fo',
			'name' => 'Faroese',
		),
		'fr_FR'          => array(
			'slug' => 'fr',
			'name' => 'French (France)',
		),
		'fr_BE'          => array(
			'slug' => 'fr-be',
			'name' => 'French (Belgium)',
		),
		'fr_CA'          => array(
			'slug' => 'fr-ca',
			'name' => 'French (Canada)',
		),
		'frp'            => array(
			'slug' => 'frp',
			'name' => 'Arpitan',
		),
		'fur'            => array(
			'slug' => 'fur',
			'name' => 'Friulian',
		),
		'fy'             => array(
			'slug' => 'fy',
			'name' => 'Frisian',
		),
		'ga'             => array(
			'slug' => 'ga',
			'name' => 'Irish',
		),
		'gd'             => array(
			'slug' => 'gd',
			'name' => 'Scottish Gaelic',
		),
		'gl_ES'          => array(
			'slug' => 'gl',
			'name' => 'Galician',
		),
		'gn'             => array(
			'slug' => 'gn',
			'name' => 'Guaraní',
		),
		'gsw'            => array(
			'slug' => 'gsw',
			'name' => 'Swiss German',
		),
		'gu'             => array(
			'slug' => 'gu',
			'name' => 'Gujarati',
		),
		'hat'            => array(
			'slug' => 'hat',
			'name' => 'Haitian Creole',
		),
		'hau'            => array(
			'slug' => 'hau',
			'name' => 'Hausa',
		),
		'haw_US'         => array(
			'slug' => 'haw',
			'name' => 'Hawaiian',
		),
		'haz'            => array(
			'slug' => 'haz',
			'name' => 'Hazaragi',
		),
		'he_IL'          => array(
			'slug' => 'he',
			'name' => 'Hebrew',
		),
		'hi_IN'          => array(
			'slug' => 'hi',
			'name' => 'Hindi',
		),
		'hr'             => array(
			'slug' => 'hr',
			'name' => 'Croatian',
		),
		'hu_HU'          => array(
			'slug' => 'hu',
			'name' => 'Hungarian',
		),
		'hy'             => array(
			'slug' => 'hy',
			'name' => 'Armenian',
		),
		'id_ID'          => array(
			'slug' => 'id',
			'name' => 'Indonesian',
		),
		'ido'            => array(
			'slug' => 'ido',
			'name' => 'Ido',
		),
		'is_IS'          => array(
			'slug' => 'is',
			'name' => 'Icelandic',
		),
		'it_IT'          => array(
			'slug' => 'it',
			'name' => 'Italian',
		),
		'ja'             => array(
			'slug' => 'ja',
			'name' => 'Japanese',
		),
		'jv_ID'          => array(
			'slug' => 'jv',
			'name' => 'Javanese',
		),
		'ka_GE'          => array(
			'slug' => 'ka',
			'name' => 'Georgian',
		),
		'kab'            => array(
			'slug' => 'kab',
			'name' => 'Kabyle',
		),
		'kal'            => array(
			'slug' => 'kal',
			'name' => 'Greenlandic',
		),
		'kin'            => array(
			'slug' => 'kin',
			'name' => 'Kinyarwanda',
		),
		'kk'             => array(
			'slug' => 'kk',
			'name' => 'Kazakh',
		),
		'km'             => array(
			'slug' => 'km',
			'name' => 'Khmer',
		),
		'kn'             => array(
			'slug' => 'kn',
			'name' => 'Kannada',
		),
		'ko_KR'          => array(
			'slug' => 'ko',
			'name' => 'Korean',
		),
		'kir'            => array(
			'slug' => 'kir',
			'name' => 'Kyrgyz',
		),
		'lb_LU'          => array(
			'slug' => 'lb',
			'name' => 'Luxembourgish',
		),
		'li'             => array(
			'slug' => 'li',
			'name' => 'Limburgish',
		),
		'lin'            => array(
			'slug' => 'lin',
			'name' => 'Lingala',
		),
		'lo'             => array(
			'slug' => 'lo',
			'name' => 'Lao',
		),
		'lt_LT'          => array(
			'slug' => 'lt',
			'name' => 'Lithuanian',
		),
		'lv'             => array(
			'slug' => 'lv',
			'name' => 'Latvian',
		),
		'me_ME'          => array(
			'slug' => 'me',
			'name' => 'Montenegrin',
		),
		'mg_MG'          => array(
			'slug' => 'mg',
			'name' => 'Malagasy',
		),
		'mk_MK'          => array(
			'slug' => 'mk',
			'name' => 'Macedonian',
		),
		'ml_IN'          => array(
			'slug' => 'ml',
			'name' => 'Malayalam',
		),
		'mlt'            => array(
			'slug' => 'mlt',
			'name' => 'Maltese',
		),
		'mn'             => array(
			'slug' => 'mn',
			'name' => 'Mongolian',
		),
		'mr'             => array(
			'slug' => 'mr',
			'name' => 'Marathi',
		),
		'mri'            => array(
			'slug' => 'mri',
			'name' => 'Maori',
		),
		'ms_MY'          => array(
			'slug' => 'ms',
			'name' => 'Malay',
		),
		'my_MM'          => array(
			'slug' => 'mya',
			'name' => 'Myanmar (Burmese)',
		),
		'ne_NP'          => array(
			'slug' => 'ne',
			'name' => 'Nepali',
		),
		'nb_NO'          => array(
			'slug' => 'nb',
			'name' => 'Norwegian (Bokmål)',
		),
		'nl_NL'          => array(
			'slug' => 'nl',
			'name' => 'Dutch',
		),
		'nl_BE'          => array(
			'slug' => 'nl-be',
			'name' => 'Dutch (Belgium)',
		),
		'nn_NO'          => array(
			'slug' => 'nn',
			'name' => 'Norwegian (Nynorsk)',
		),
		'oci'            => array(
			'slug' => 'oci',
			'name' => 'Occitan',
		),
		'ory'            => array(
			'slug' => 'ory',
			'name' => 'Oriya',
		),
		'os'             => array(
			'slug' => 'os',
			'name' => 'Ossetic',
		),
		'pa_IN'          => array(
			'slug' => 'pa',
			'name' => 'Punjabi',
		),
		'pl_PL'          => array(
			'slug' => 'pl',
			'name' => 'Polish',
		),
		'pt_BR'          => array(
			'slug' => 'pt-br',
			'name' => 'Portuguese (Brazil)',
		),
		'pt_PT'          => array(
			'slug' => 'pt',
			'name' => 'Portuguese (Portugal)',
		),
		'ps'             => array(
			'slug' => 'ps',
			'name' => 'Pashto',
		),
		'rhg'            => array(
			'slug' => 'rhg',
			'name' => 'Rohingya',
		),
		'ro_RO'          => array(
			'slug' => 'ro',
			'name' => 'Romanian',
		),
		'roh'            => array(
			'slug' => 'roh',
			'name' => 'Romansh',
		),
		'ru_RU'          => array(
			'slug' => 'ru',
			'name' => 'Russian',
		),
		'rue'            => array(
			'slug' => 'rue',
			'name' => 'Rusyn',
		),
		'rup_MK'         => array(
			'slug' => 'rup',
			'name' => 'Aromanian',
		),
		'sah'            => array(
			'slug' => 'sah',
			'name' => 'Sakha',
		),
		'sa_IN'          => array(
			'slug' => 'sa-in',
			'name' => 'Sanskrit',
		),
		'scn'            => array(
			'slug' => 'scn',
			'name' => 'Sicilian',
		),
		'si_LK'          => array(
			'slug' => 'si',
			'name' => 'Sinhala',
		),
		'sk_SK'          => array(
			'slug' => 'sk',
			'name' => 'Slovak',
		),
		'sl_SI'          => array(
			'slug' => 'sl',
			'name' => 'Slovenian',
		),
		'sna'            => array(
			'slug' => 'sna',
			'name' => 'Shona',
		),
		'snd'            => array(
			'slug' => 'snd',
			'name' => 'Sindhi',
		),
		'so_SO'          => array(
			'slug' => 'so',
			'name' => 'Somali',
		),
		'sq'             => array(
			'slug' => 'sq',
			'name' => 'Albanian',
		),
		'sq_XK'          => array(
			'slug' => 'sq-xk',
			'name' => 'Shqip (Kosovo)',
		),
		'sr_RS'          => array(
			'slug' => 'sr',
			'name' => 'Serbian',
		),
		'srd'            => array(
			'slug' => 'srd',
			'name' => 'Sardinian',
		),
		'su_ID'          => array(
			'slug' => 'su',
			'name' => 'Sundanese',
		),
		'sv_SE'          => array(
			'slug' => 'sv',
			'name' => 'Swedish',
		),
		'sw'             => array(
			'slug' => 'sw',
			'name' => 'Swahili',
		),
		'syr'            => array(
			'slug' => 'syr',
			'name' => 'Syriac',
		),
		'szl'            => array(
			'slug' => 'szl',
			'name' => 'Silesian',
		),
		'ta_IN'          => array(
			'slug' => 'ta',
			'name' => 'Tamil',
		),
		'ta_LK'          => array(
			'slug' => 'ta-lk',
			'name' => 'Tamil (Sri Lanka)',
		),
		'tah'            => array(
			'slug' => 'tah',
			'name' => 'Tahitian',
		),
		'te'             => array(
			'slug' => 'te',
			'name' => 'Telugu',
		),
		'tg'             => array(
			'slug' => 'tg',
			'name' => 'Tajik',
		),
		'th'             => array(
			'slug' => 'th',
			'name' => 'Thai',
		),
		'tir'            => array(
			'slug' => 'tir',
			'name' => 'Tigrinya',
		),
		'tl'             => array(
			'slug' => 'tl',
			'name' => 'Tagalog',
		),
		'tr_TR'          => array(
			'slug' => 'tr',
			'name' => 'Turkish',
		),
		'tt_RU'          => array(
			'slug' => 'tt',
			'name' => 'Tatar',
		),
		'tuk'            => array(
			'slug' => 'tuk',
			'name' => 'Turkmen',
		),
		'twd'            => array(
			'slug' => 'twd',
			'name' => 'Tweants',
		),
		'tzm'            => array(
			'slug' => 'tzm',
			'name' => 'Tamazight (Central Atlas)',
		),
		'ug_CN'          => array(
			'slug' => 'ug',
			'name' => 'Uighur',
		),
		'uk'             => array(
			'slug' => 'uk',
			'name' => 'Ukrainian',
		),
		'ur'             => array(
			'slug' => 'ur',
			'name' => 'Urdu',
		),
		'uz_UZ'          => array(
			'slug' => 'uz',
			'name' => 'Uzbek',
		),
		'vi'             => array(
			'slug' => 'vi',
			'name' => 'Vietnamese',
		),
		'wa'             => array(
			'slug' => 'wa',
			'name' => 'Walloon',
		),
		'xho'            => array(
			'slug' => 'xho',
			'name' => 'Xhosa',
		),
		'xmf'            => array(
			'slug' => 'xmf',
			'name' => 'Mingrelian',
		),
		'yor'            => array(
			'slug' => 'yor',
			'name' => 'Yoruba',
		),
		'zh_CN'          => array(
			'slug' => 'zh-cn',
			'name' => 'Chinese (China)',
		),
		'zh_HK'          => array(
			'slug' => 'zh-hk',
			'name' => 'Chinese (Hong Kong)',
		),
		'zh_TW'          => array(
			'slug' => 'zh-tw',
			'name' => 'Chinese (Taiwan)',
		),
		'de_DE_formal'   => array(
			'slug' => 'de/formal',
			'name' => 'German (Formal)',
		),
		'nl_NL_formal'   => array(
			'slug' => 'nl/formal',
			'name' => 'Dutch (Formal)',
		),
		'de_CH_informal' => array(
			'slug' => 'de-ch/informal',
			'name' => 'Chinese (Taiwan)',
		),
		'pt_PT_ao90'     => array(
			'slug' => 'pt/ao90',
			'name' => 'Portuguese (Portugal, AO90)',
		),
	);

	/**
	 * Check if we should load module for this.
	 *
	 * @param Product $product Product to check.
	 *
	 * @return bool Should load ?
	 */
	public function can_load( $product ) {
		if ( $this->is_from_partner( $product ) ) {
			return false;
		}
		if ( ! $product->is_wordpress_available() ) {
			return false;
		}

		$lang = $this->get_user_locale();

		if ( 'en_US' === $lang ) {
			return false;
		}

		$languages = $this->get_translations( $product );

		if ( ! is_array( $languages ) ) {
			return false;
		}

		if ( ! isset( $languages['translations'] ) ) {
			return false;
		}

		$languages = $languages['translations'];

		$available = wp_list_pluck( $languages, 'language' );

		if ( in_array( $lang, $available ) ) {
			return false;
		}

		if ( ! isset( self::$locales[ $lang ] ) ) {
			return false;
		}

		return apply_filters( $product->get_slug() . '_sdk_enable_translate', true );
	}

	/**
	 * Get the user's locale.
	 */
	private function get_user_locale() {
		global $wp_version;
		if ( version_compare( $wp_version, '4.7.0', '>=' ) ) {
			return get_user_locale();
		}
		$user = wp_get_current_user();
		if ( $user ) {
			$locale = $user->locale;
		}

		return $locale ? $locale : get_locale();
	}

	/**
	 * Fetch translations from api.
	 *
	 * @param Product $product Product to check.
	 *
	 * @return mixed Translation array.
	 */
	private function get_translations( $product ) {
		$cache_key    = $product->get_key() . '_all_languages';
		$translations = get_transient( $cache_key );

		if ( false === $translations ) {
			require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
			$translations = translations_api(
				$product->get_type() . 's',
				array(
					'slug'    => $product->get_slug(),
					'version' => $product->get_version(),
				)
			);
			set_transient( $cache_key, $translations, WEEK_IN_SECONDS );
		}

		return $translations;

	}

	/**
	 * Add notification to queue.
	 *
	 * @param array $all_notifications Previous notification.
	 *
	 * @return array All notifications.
	 */
	public function add_notification( $all_notifications ) {

		$lang          = $this->get_user_locale();
		$link          = $this->get_locale_paths( $lang );
		$language_meta = self::$locales[ $lang ];

		$heading = apply_filters( $this->product->get_key() . '_feedback_translate_heading', 'Improve {product}' );
		$heading = str_replace(
			array( '{product}' ),
			$this->product->get_friendly_name(),
			$heading
		);
		$message = apply_filters(
			$this->product->get_key() . '_feedback_translation',
			'Translating <b>{product}</b> into as many languages as possible is a huge project. We still need help with a lot of them, so if you are good at translating into <b>{language}</b>, it would be greatly appreciated.
The process is easy, and you can join by following the link below!'
		);

		$message = str_replace(
			[ '{product}', '{language}' ],
			[
				$this->product->get_friendly_name(),
				$language_meta['name'],
			],
			$message
		);

		$button_submit = apply_filters( $this->product->get_key() . '_feedback_translate_button_do', 'Ok, I will gladly help.' );
		$button_cancel = apply_filters( $this->product->get_key() . '_feedback_translate_button_cancel', 'No, thanks.' );

		$all_notifications[] = [
			'id'      => $this->product->get_key() . '_translate_flag',
			'heading' => $heading,
			'message' => $message,
			'ctas'    => [
				'confirm' => [
					'link' => $link,
					'text' => $button_submit,
				],
				'cancel'  => [
					'link' => '#',
					'text' => $button_cancel,
				],
			],
		];

		return $all_notifications;
	}

	/**
	 * Return the locale path.
	 *
	 * @param string $locale Locale code.
	 *
	 * @return string Locale path.
	 */
	private function get_locale_paths( $locale ) {
		if ( empty( $locale ) ) {
			return '';
		}

		$slug = isset( self::$locales[ $locale ] ) ? self::$locales[ $locale ]['slug'] : '';
		if ( empty( $slug ) ) {
			return '';
		}
		if ( strpos( $slug, '/' ) === false ) {
			$slug .= '/default';
		}
		$url = 'https://translate.wordpress.org/projects/wp-' . $this->product->get_type() . 's/' . $this->product->get_slug() . '/' . ( $this->product->get_type() === 'plugin' ? 'dev/' : '' ) . $slug . '?filters%5Bstatus%5D=untranslated&sort%5Bby%5D=random';

		return $url;
	}

	/**
	 * Load module logic.
	 *
	 * @param Product $product Product to load.
	 *
	 * @return Translate Module instance.
	 */
	public function load( $product ) {

		$this->product = $product;

		add_filter( 'themeisle_sdk_registered_notifications', [ $this, 'add_notification' ] );

		return $this;
	}
}