<?php
/**
 * @package   AI Content Creator
 * @author    ABCdatos
 * @license   GPLv2
 * @link      https://taller.abcdatos.net/ai-content-creator-wordpress/
 */

defined( 'ABSPATH' ) or die( __( 'Access is not allowed.', 'ai-content-creator' ) );

function aicc_idiomas() {
	// Códigos ISO 639-1 de los idiomas
	$idiomas = array(
		'en' => 'English',
		'es' => 'Español',
		'pt' => 'Português',
		'fr' => 'Français',
		'de' => 'Deutsch',
		'ru' => 'русский',
		'ja' => '日本語',
		'it' => 'Italiano',
		'zh' => '中文',
		'nl' => 'Nederlands',
		'ko' => '한국어',
		'ar' => 'العربية',
		'tr' => 'Türkçe',
		'pl' => 'Polski',
		'uk' => 'українська',
		'fa' => 'فارسی',
		'sv' => 'Svenska',
		'cs' => 'čeština',
		'da' => 'Dansk',
		'fi' => 'Suomi',
		'hu' => 'Magyar',
		'ca' => 'Català',
		'eu' => 'Euskara',
		'gl' => 'Galego',
		'ast' => 'Asturianu'
	);
	return $idiomas;
}

function aicc_idiomas_traducidos() {
	// Códigos ISO 639-1 de los idiomas
$languages = array(
    "en" => __( 'English', 'ai-content-creator' ),
    "es" => __( 'Spanish', 'ai-content-creator' ),
    "pt" => __( 'Portuguese', 'ai-content-creator' ),
    "fr" => __( 'French', 'ai-content-creator' ),
    "de" => __( 'German', 'ai-content-creator' ),
    "ru" => __( 'Russian', 'ai-content-creator' ),
    "ja" => __( 'Japanese', 'ai-content-creator' ),
    "it" => __( 'Italian', 'ai-content-creator' ),
    "zh" => __( 'Chinese', 'ai-content-creator' ),
    "nl" => __( 'Dutch', 'ai-content-creator' ),
    "ko" => __( 'Korean', 'ai-content-creator' ),
    "ar" => __( 'Arabic', 'ai-content-creator' ),
    "tr" => __( 'Turkish', 'ai-content-creator' ),
    "pl" => __( 'Polish', 'ai-content-creator' ),
    "uk" => __( 'Ukrainian', 'ai-content-creator' ),
    "fa" => __( 'Persian', 'ai-content-creator' ),
    "sv" => __( 'Swedish', 'ai-content-creator' ),
    "cs" => __( 'Czech', 'ai-content-creator' ),
    "da" => __( 'Danish', 'ai-content-creator' ),
    "fi" => __( 'Finnish', 'ai-content-creator' ),
    "hu" => __( 'Hungarian', 'ai-content-creator' ),
    "ca" => __( 'Catalan', 'ai-content-creator' ),
    "eu" => __( 'Basque', 'ai-content-creator' ),
    "gl" => __( 'Galician', 'ai-content-creator' ),
    "ast" => __( 'Asturian', 'ai-content-creator' ),
);
	return $languages;
}

function aicc_es_valido_idioma( $idioma ) {
	// Devuelve un booleano indicando si el idioma es correcto o no
	return array_key_exists( $idioma, aicc_idiomas() );
}

function aicc_codigo_idioma_actual() {
	// Códigos ISO 639-1
	$locale = get_locale();
	$codigo_idioma = substr( $locale, 0, 2 );
	return $codigo_idioma;
}

function aicc_nombre_idioma_actual() {
	return aicc_nombre_idioma( aicc_codigo_idioma_actual() );
}

function aicc_nombre_idioma( $codigo ) {
	// Códigos ISO 639-1
	$idiomas = aicc_idiomas();
	return $idiomas[$codigo];
}

function aicc_nombre_idioma_traducido( $codigo ) {
	// Códigos ISO 639-1
	$idiomas = aicc_idiomas_traducidos();
	return $idiomas[$codigo];
}

function aicc_codigo_idioma( $idioma ) {
	// Verifica si un idioma está en la lista de idiomas soportados por GPT-3 y devuelve su código ISO 639-1 correspondiente
	// al idioma si está en la lista, o una cadena vacía si no lo está.

	// Invierte la lista de idiomas, así es fácil comprobar si 
	$idiomas_soportados = aicc_intercambiar_claves_por_valores( aicc_idiomas() );

	// Verifica si el idioma está en la lista
	if ( isset( $idiomas_soportados[$idioma] ) ) {
		return $idiomas_soportados[$idioma];
	} else {
		return '';
	}
}

function aicc_codigo_idioma_omision() {
	$codigo_idioma = aicc_codigo_idioma_actual();
	// Si el idioma no está soportado, toma inglés por omisión .
	if ( ! aicc_nombre_idioma( $codigo_idioma ) ) {
		//$idioma= aicc_nombre_idioma( 'en' );
		$codigo_idioma= 'en';
	}
	return $codigo_idioma;
}

function aicc_intercambiar_claves_por_valores( $array ) {
	// Intercambia las claves por los valores en un array
	$nuevo_array = array();
	foreach ( $array as $clave => $valor ) {
		$nuevo_array[$valor] = $clave;
	}
	return $nuevo_array;
}

function aicc_traduce_error_externo( $error ) {
	// Errores conocidos de la API que pueden traducirse como cadenas fijas.
	if ( preg_match ( '/^Incorrect API key provided: (.*). You can find your API key at https:\/\/platform\.openai\.com\/account\/api-keys\./',$error ) ) {
		$error  = __( 'Incorrect API key provided.', 'ai-content-creator' );
		$error .= ' ';
		$error .= sprintf( __( 'You can find your API key at %s.', 'ai-content-creator' ), 'https://platform.openai.com/account/api-keys' );
	} elseif ( preg_match ( '/Please reduce your prompt; or completion length\.$/',$error ) ) {
		$error  = __( 'The sum of tokens in the request and response may exceed the maximum allowed for the model. Please reduce the text in your request.', 'ai-content-creator' );
	} elseif ( 'You didn\'t provide an API key. You need to provide your API key in an Authorization header using Bearer auth (i.e. Authorization: Bearer YOUR_KEY), or as the password field (with blank username) if you\'re accessing the API from your browser and are prompted for a username and password. You can obtain an API key from https://platform.openai.com/account/api-keys.' == $error ) {
		$error = __( 'You didn\'t provide an API key. You need to provide your API key in an Authorization header using Bearer auth (i.e. Authorization: Bearer YOUR_KEY), or as the password field (with blank username) if you\'re accessing the API from your browser and are prompted for a username and password. You can obtain an API key from https://platform.openai.com/account/api-keys.', 'ai-content-creator' );
	} elseif ( 'That model does not exist' == $error ) {
		// Se produce también al tratar de usar gpt-4 durante la beta sin tenerlo autorizado
		$error = __( 'That model does not exist', 'ai-content-creator' );
	} elseif ( 'you must provide a model parameter' == $error ) {
		$error = __( 'you must provide a model parameter', 'ai-content-creator' );
	} elseif ( preg_match ( '/^Invalid URL/',$error ) ) {
		$error  = __( 'Invalid URL address.', 'ai-content-creator' );
	} elseif ( preg_match ( '/^This is a chat model and not supported in the/',$error ) ) {
		$error  = __( 'The required model is not supported at this URL address.', 'ai-content-creator' );
	}
	
	
// This model's maximum context length is 4097 tokens, however you requested 4207 tokens (207 in your prompt; 4000 for the completion). Please reduce your prompt; or completion length.
	
	return 	$error;
}