const commando = require('discord.js-commando');
const Discord = require('discord.js');
const translate = require('google-translate-api');

const languages = {
    "auto": "Automatic",
    "af": "Afrikaans",
    "sq": "Albanian",
    "ar": "Arabic",
    "hy": "Armenian",
    "az": "Azerbaijani",
    "eu": "Basque",
    "be": "Belarusian",
    "bn": "Bengali",
    "bs": "Bosnian",
    "bg": "Bulgarian",
    "ca": "Catalan",
    "ceb": "Cebuano",
    "ny": "Chichewa",
    "zh-cn": "Chinese Simplified",
    "zh-tw": "Chinese Traditional",
    "co": "Corsican",
    "hr": "Croatian",
    "cs": "Czech",
    "da": "Danish",
    "nl": "Dutch",
    "en": "English",
    "eo": "Esperanto",
    "et": "Estonian",
    "tl": "Filipino",
    "fi": "Finnish",
    "fr": "French",
    "fy": "Frisian",
    "gl": "Galician",
    "ka": "Georgian",
    "de": "German",
    "el": "Greek",
    "gu": "Gujarati",
    "ht": "Haitian Creole",
    "ha": "Hausa",
    "haw": "Hawaiian",
    "iw": "Hebrew",
    "hi": "Hindi",
    "hmn": "Hmong",
    "hu": "Hungarian",
    "is": "Icelandic",
    "ig": "Igbo",
    "id": "Indonesian",
    "ga": "Irish",
    "it": "Italian",
    "ja": "Japanese",
    "jw": "Javanese",
    "kn": "Kannada",
    "kk": "Kazakh",
    "km": "Khmer",
    "ko": "Korean",
    "ku": "Kurdish (Kurmanji)",
    "ky": "Kyrgyz",
    "lo": "Lao",
    "la": "Latin",
    "lv": "Latvian",
    "lt": "Lithuanian",
    "lb": "Luxembourgish",
    "mk": "Macedonian",
    "mg": "Malagasy",
    "ms": "Malay",
    "ml": "Malayalam",
    "mt": "Maltese",
    "mi": "Maori",
    "mr": "Marathi",
    "mn": "Mongolian",
    "my": "Myanmar (Burmese)",
    "ne": "Nepali",
    "no": "Norwegian",
    "ps": "Pashto",
    "fa": "Persian",
    "pl": "Polish",
    "pt": "Portuguese",
    "ma": "Punjabi",
    "ro": "Romanian",
    "ru": "Russian",
    "sm": "Samoan",
    "gd": "Scots Gaelic",
    "sr": "Serbian",
    "st": "Sesotho",
    "sn": "Shona",
    "sd": "Sindhi",
    "si": "Sinhala",
    "sk": "Slovak",
    "sl": "Slovenian",
    "so": "Somali",
    "es": "Spanish",
    "su": "Sudanese",
    "sw": "Swahili",
    "sv": "Swedish",
    "tg": "Tajik",
    "ta": "Tamil",
    "te": "Telugu",
    "th": "Thai",
    "tr": "Turkish",
    "uk": "Ukrainian",
    "ur": "Urdu",
    "uz": "Uzbek",
    "vi": "Vietnamese",
    "cy": "Welsh",
    "xh": "Xhosa",
    "yi": "Yiddish",
    "yo": "Yoruba",
    "zu": "Zulu"
};

module.exports = class TranslateCommand extends commando.Command {
    constructor(Client) {
        super(Client, {
            name: 'translate',
            group: 'textedit',
            memberName: 'translate',
            description: 'Translates text to a given language. (;translate ja Give me the money!)',
            details: "‘af': 'Afrikaans’, ’sq': 'Albanian', 'ar': 'Arabic’, ’hy': 'Armenian’, ’az': 'Azerbaijani’, ’eu': 'Basque’, ’be': 'Belarusian’, ’bn': 'Bengali’, ’bs': 'Bosnian’, ’bg': 'Bulgarian’, ’ca': 'Catalan’, ’ceb': 'Cebuano’, ’ny': 'Chichewa’, ’zh-cn': 'Chinese Simplified’, ’zh-tw': 'Chinese Traditional’, ’co': 'Corsican’, ’hr': 'Croatian’, ’cs': 'Czech’, ’da': 'Danish’, ’nl': 'Dutch’, ’en': 'English’, ’eo': 'Esperanto’, ’et': 'Estonian’, ’tl': 'Filipino’, ’fi': 'Finnish’, ’fr': 'French’, ’fy': 'Frisian’, ’gl': 'Galician’, ’ka': 'Georgian’, ’de': 'German’, ’el': 'Greek’, ’gu': 'Gujarati’, ’ht': 'Haitian Creole’, ’ha': 'Hausa’, ’haw': 'Hawaiian’, ’iw': 'Hebrew’, ’hi': 'Hindi’, ’hmn': 'Hmong’, ’hu': 'Hungarian’, ’is': 'Icelandic’, ’ig': 'Igbo’, ’id': 'Indonesian’, ’ga': 'Irish’, ’it': 'Italian’, ’ja': 'Japanese’, ’jw': 'Javanese’, ’kn': 'Kannada’, ’kk': 'Kazakh’, ’km': 'Khmer’, ’ko': 'Korean’, ’ku': 'Kurdish (Kurmanji)’, ’ky': 'Kyrgyz’, ’lo': 'Lao’, ’la': 'Latin’, ’lv': 'Latvian’, ’lt': 'Lithuanian’, ’lb': 'Luxembourgish’, ’mk': 'Macedonian’, ’mg': 'Malagasy’, ’ms': 'Malay’, ’ml': 'Malayalam’, ’mt': 'Maltese’, ’mi': 'Maori’, ’mr': 'Marathi’, ’mn': 'Mongolian’, ’my': 'Myanmar (Burmese)’, ’ne': 'Nepali’, ’no': 'Norwegian’, ’ps': 'Pashto’, ’fa': 'Persian’, ’pl': 'Polish’, ’pt': 'Portuguese’, ’ma': 'Punjabi’, ’ro': 'Romanian’, ’ru': 'Russian’, sm': 'Samoan’, ’gd': 'Scots Gaelic’, ’sr': 'Serbian’, ’st': 'Sesotho’, ’sn': 'Shona’, ’sd': 'Sindhi’, ’si': 'Sinhala’, ’sk': 'Slovak’, ’sl': 'Slovenian’, ’so': 'Somali’, ’es': 'Spanish’, ’su': 'Sudanese’, ’sw': 'Swahili’, ’sv': 'Swedish’, ’tg': 'Tajik’, ’ta': 'Tamil’, ’te': 'Telugu’, ’th': 'Thai’, ’tr': 'Turkish’, ’uk': 'Ukrainian’, ’ur': 'Urdu’, ’uz': 'Uzbek’, ’vi': 'Vietnamese’, ’cy': 'Welsh’, ’xh': 'Xhosa’, ’yi': 'Yiddish’, ’yo': 'Yoruba’, ’zu': 'Zulu'",
            examples: [';translate ja Give me the the money!'],
            args: [{
                key: 'to',
                prompt: 'What language would you like to translate to?',
                type: 'string',
                validate: to => {
                    if (languages[to.toLowerCase()] || to.toLowerCase() === 'list') {
                        return true;
                    }
                    return 'Please enter a valid language code. Use `;help translate` for a list of codes.';
                }
            }, {
                key: 'text',
                prompt: 'What text would you like to translate?',
                type: 'string',
                validate: content => {
                    if (content.length > 200) {
                        return 'Please keep translation queries under 200 characters.';
                    }
                    return true;
                }
            }]
        });
    }

    async run(message, args) {
        if (message.channel.type !== 'dm') {
            if (!message.channel.permissionsFor(this.client.user).hasPermission(['SEND_MESSAGES', 'READ_MESSAGES', 'EMBED_LINKS'])) return;
        }
        console.log(`[Command] ${message.content}`);
        let languageto = args.to.toLowerCase();
        let thingToTranslate = args.text;
        try {
            let res = await translate(thingToTranslate, {
                to: languageto
            });
            let languagefrom = res.from.language.iso.toLowerCase();
            const embed = new Discord.RichEmbed()
                .setColor(0x00AE86)
                .addField(`Input (From: ${languages[languagefrom]}):`,
                    thingToTranslate)
                .addField(`Translation (To: ${languages[languageto]}):`,
                    res.text);
            return message.channel.sendEmbed(embed);
        }
        catch (err) {
            return message.channel.send(":x: Error! Something went wrong!");
        }
    }
};