/* global jsPDF */
/**
 * @license
 * Licensed under the MIT License.
 * http://opensource.org/licenses/mit-license
 */

/**
 * jsPDF setLanguage Plugin
 *
 * @name setLanguage
 * @module
 */
(function (jsPDFAPI) {
    "use strict";

    /**
    * Add Language Tag to the generated PDF
    *
    * @name setLanguage
	* @function 
	* @param {string} langCode The Language code as ISO-639-1 (e.g. 'en') or as country language code (e.g. 'en-GB'). 
    * @returns {jsPDF}
    * @example
    * var doc = new jsPDF()
    * doc.text(10, 10, 'This is a test')
    * doc.setLanguage("en-US")
    * doc.save('english.pdf')
    */
    jsPDFAPI.setLanguage = function (langCode) {
        "use strict";

        var langCodes = {
            "af":    "Afrikaans",
            "sq":    "Albanian",
            "ar":    "Arabic (Standard)",
            "ar-DZ": "Arabic (Algeria)",
            "ar-BH": "Arabic (Bahrain)",
            "ar-EG": "Arabic (Egypt)",
            "ar-IQ": "Arabic (Iraq)",
            "ar-JO": "Arabic (Jordan)",
            "ar-KW": "Arabic (Kuwait)",
            "ar-LB": "Arabic (Lebanon)",
            "ar-LY": "Arabic (Libya)",
            "ar-MA": "Arabic (Morocco)",
            "ar-OM": "Arabic (Oman)",
            "ar-QA": "Arabic (Qatar)",
            "ar-SA": "Arabic (Saudi Arabia)",
            "ar-SY": "Arabic (Syria)",
            "ar-TN": "Arabic (Tunisia)",
            "ar-AE": "Arabic (U.A.E.)",
            "ar-YE": "Arabic (Yemen)",
            "an":    "Aragonese",
            "hy":    "Armenian",
            "as":    "Assamese",
            "ast":   "Asturian",
            "az":    "Azerbaijani",
            "eu":    "Basque",
            "be":    "Belarusian",
            "bn":    "Bengali",
            "bs":    "Bosnian",
            "br":    "Breton",
            "bg":    "Bulgarian",
            "my":    "Burmese",
            "ca":    "Catalan",
            "ch":    "Chamorro",
            "ce":    "Chechen",
            "zh":    "Chinese",
            "zh-HK": "Chinese (Hong Kong)",
            "zh-CN": "Chinese (PRC)",
            "zh-SG": "Chinese (Singapore)",
            "zh-TW": "Chinese (Taiwan)",
            "cv":    "Chuvash",
            "co":    "Corsican",
            "cr":    "Cree",
            "hr":    "Croatian",
            "cs":    "Czech",
            "da":    "Danish",
            "nl":    "Dutch (Standard)",
            "nl-BE": "Dutch (Belgian)",
            "en":    "English",
            "en-AU": "English (Australia)",
            "en-BZ": "English (Belize)",
            "en-CA": "English (Canada)",
            "en-IE": "English (Ireland)",
            "en-JM": "English (Jamaica)",
            "en-NZ": "English (New Zealand)",
            "en-PH": "English (Philippines)",
            "en-ZA": "English (South Africa)",
            "en-TT": "English (Trinidad & Tobago)",
            "en-GB": "English (United Kingdom)",
            "en-US": "English (United States)",
            "en-ZW": "English (Zimbabwe)",
            "eo":    "Esperanto",
            "et":    "Estonian",
            "fo":    "Faeroese",
            "fj":    "Fijian",
            "fi":    "Finnish",
            "fr":    "French (Standard)",
            "fr-BE": "French (Belgium)",
            "fr-CA": "French (Canada)",
            "fr-FR": "French (France)",
            "fr-LU": "French (Luxembourg)",
            "fr-MC": "French (Monaco)",
            "fr-CH": "French (Switzerland)",
            "fy":    "Frisian",
            "fur":   "Friulian",
            "gd":    "Gaelic (Scots)",
            "gd-IE": "Gaelic (Irish)",
            "gl":    "Galacian",
            "ka":    "Georgian",
            "de":    "German (Standard)",
            "de-AT": "German (Austria)",
            "de-DE": "German (Germany)",
            "de-LI": "German (Liechtenstein)",
            "de-LU": "German (Luxembourg)",
            "de-CH": "German (Switzerland)",
            "el":    "Greek",
            "gu":    "Gujurati",
            "ht":    "Haitian",
            "he":    "Hebrew",
            "hi":    "Hindi",
            "hu":    "Hungarian",
            "is":    "Icelandic",
            "id":    "Indonesian",
            "iu":    "Inuktitut",
            "ga":    "Irish",
            "it":    "Italian (Standard)",
            "it-CH": "Italian (Switzerland)",
            "ja":    "Japanese",
            "kn":    "Kannada",
            "ks":    "Kashmiri",
            "kk":    "Kazakh",
            "km":    "Khmer",
            "ky":    "Kirghiz",
            "tlh":   "Klingon",
            "ko":    "Korean",
            "ko-KP": "Korean (North Korea)",
            "ko-KR": "Korean (South Korea)",
            "la":    "Latin",
            "lv":    "Latvian",
            "lt":    "Lithuanian",
            "lb":    "Luxembourgish",
            "mk":    "FYRO Macedonian",
            "ms":    "Malay",
            "ml":    "Malayalam",
            "mt":    "Maltese",
            "mi":    "Maori",
            "mr":    "Marathi",
            "mo":    "Moldavian",
            "nv":    "Navajo",
            "ng":    "Ndonga",
            "ne":    "Nepali",
            "no":    "Norwegian",
            "nb":    "Norwegian (Bokmal)",
            "nn":    "Norwegian (Nynorsk)",
            "oc":    "Occitan",
            "or":    "Oriya",
            "om":    "Oromo",
            "fa":    "Persian",
            "fa-IR": "Persian/Iran",
            "pl":    "Polish",
            "pt":    "Portuguese",
            "pt-BR": "Portuguese (Brazil)",
            "pa":    "Punjabi",
            "pa-IN": "Punjabi (India)",
            "pa-PK": "Punjabi (Pakistan)",
            "qu":    "Quechua",
            "rm":    "Rhaeto-Romanic",
            "ro":    "Romanian",
            "ro-MO": "Romanian (Moldavia)",
            "ru":    "Russian",
            "ru-MO": "Russian (Moldavia)",
            "sz":    "Sami (Lappish)",
            "sg":    "Sango",
            "sa":    "Sanskrit",
            "sc":    "Sardinian",
            "sd":    "Sindhi",
            "si":    "Singhalese",
            "sr":    "Serbian",
            "sk":    "Slovak",
            "sl":    "Slovenian",
            "so":    "Somani",
            "sb":    "Sorbian",
            "es":    "Spanish",
            "es-AR": "Spanish (Argentina)",
            "es-BO": "Spanish (Bolivia)",
            "es-CL": "Spanish (Chile)",
            "es-CO": "Spanish (Colombia)",
            "es-CR": "Spanish (Costa Rica)",
            "es-DO": "Spanish (Dominican Republic)",
            "es-EC": "Spanish (Ecuador)",
            "es-SV": "Spanish (El Salvador)",
            "es-GT": "Spanish (Guatemala)",
            "es-HN": "Spanish (Honduras)",
            "es-MX": "Spanish (Mexico)",
            "es-NI": "Spanish (Nicaragua)",
            "es-PA": "Spanish (Panama)",
            "es-PY": "Spanish (Paraguay)",
            "es-PE": "Spanish (Peru)",
            "es-PR": "Spanish (Puerto Rico)",
            "es-ES": "Spanish (Spain)",
            "es-UY": "Spanish (Uruguay)",
            "es-VE": "Spanish (Venezuela)",
            "sx":    "Sutu",
            "sw":    "Swahili",
            "sv":    "Swedish",
            "sv-FI": "Swedish (Finland)",
            "sv-SV": "Swedish (Sweden)",
            "ta":    "Tamil",
            "tt":    "Tatar",
            "te":    "Teluga",
            "th":    "Thai",
            "tig":   "Tigre",
            "ts":    "Tsonga",
            "tn":    "Tswana",
            "tr":    "Turkish",
            "tk":    "Turkmen",
            "uk":    "Ukrainian",
            "hsb":   "Upper Sorbian",
            "ur":    "Urdu",
            "ve":    "Venda",
            "vi":    "Vietnamese",
            "vo":    "Volapuk",
            "wa":    "Walloon",
            "cy":    "Welsh",
            "xh":    "Xhosa",
            "ji":    "Yiddish",
            "zu":    "Zulu",
        };

        if (this.internal.languageSettings === undefined) {
            this.internal.languageSettings = {};
            this.internal.languageSettings.isSubscribed = false;
        }

        if (langCodes[langCode] !== undefined) {
            this.internal.languageSettings.languageCode = langCode;
            if (this.internal.languageSettings.isSubscribed === false) {
                this.internal.events.subscribe("putCatalog", function () {
                    this.internal.write("/Lang (" + this.internal.languageSettings.languageCode + ")");
                });
                this.internal.languageSettings.isSubscribed = true;
            }
        }
        return this;
    };
})(jsPDF.API);
