import { generateFilePath } from "@nextcloud/router";
import DOMPurify from "dompurify";
import escapeHTML from "escape-html";
/*!
 * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: GPL-3.0-or-later
 */
function getLocale() {
  return document.documentElement.dataset.locale || "en";
}
function getCanonicalLocale() {
  return getLocale().replace(/_/g, "-");
}
function getLanguage() {
  return document.documentElement.lang || "en";
}
function isRTL(language) {
  const languageCode = language || getLanguage();
  const rtlLanguages = [
    /* eslint-disable no-multi-spaces */
    "ae",
    // Avestan
    "ar",
    // 'العربية', Arabic
    "arc",
    // Aramaic
    "arz",
    // 'مصرى', Egyptian
    "bcc",
    // 'بلوچی مکرانی', Southern Balochi
    "bqi",
    // 'بختياري', Bakthiari
    "ckb",
    // 'Soranî / کوردی', Sorani
    "dv",
    // Dhivehi
    "fa",
    // 'فارسی', Persian
    "glk",
    // 'گیلکی', Gilaki
    "ha",
    // 'هَوُسَ', Hausa
    "he",
    // 'עברית', Hebrew
    "khw",
    // 'کھوار', Khowar
    "ks",
    // 'कॉशुर / کٲشُر', Kashmiri
    "ku",
    // 'Kurdî / كوردی', Kurdish
    "mzn",
    // 'مازِرونی', Mazanderani
    "nqo",
    // 'ߒߞߏ', N’Ko
    "pnb",
    // 'پنجابی', Western Punjabi
    "ps",
    // 'پښتو', Pashto,
    "sd",
    // 'سنڌي', Sindhi
    "ug",
    // 'Uyghurche / ئۇيغۇرچە', Uyghur
    "ur",
    // 'اردو', Urdu
    "ur-PK",
    // 'اردو', Urdu (nextcloud BCP47 variant)
    "uz-AF",
    // 'اوزبیکی', Uzbek Afghan
    "yi"
    // 'ייִדיש', Yiddish
    /* eslint-enable no-multi-spaces */
  ];
  return rtlLanguages.includes(languageCode);
}
/*!
 * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: GPL-3.0-or-later
 */
function hasAppTranslations(appId) {
  return window._oc_l10n_registry_translations?.[appId] !== void 0 && window._oc_l10n_registry_plural_functions?.[appId] !== void 0;
}
function registerAppTranslations(appId, translations, pluralFunction) {
  if (appId === "__proto__" || appId === "constructor" || appId === "prototype") {
    throw new Error("Invalid appId");
  }
  window._oc_l10n_registry_translations = Object.assign(
    window._oc_l10n_registry_translations || {},
    {
      [appId]: Object.assign(window._oc_l10n_registry_translations?.[appId] || {}, translations)
    }
  );
  window._oc_l10n_registry_plural_functions = Object.assign(
    window._oc_l10n_registry_plural_functions || {},
    {
      [appId]: pluralFunction
    }
  );
}
function unregisterAppTranslations(appId) {
  delete window._oc_l10n_registry_translations?.[appId];
  delete window._oc_l10n_registry_plural_functions?.[appId];
}
function getAppTranslations(appId) {
  return {
    translations: window._oc_l10n_registry_translations?.[appId] ?? {},
    pluralFunction: window._oc_l10n_registry_plural_functions?.[appId] ?? ((number) => number)
  };
}
/*!
 * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: GPL-3.0-or-later
 */
function translate(app, text, placeholdersOrNumber, optionsOrNumber, options) {
  const vars = typeof placeholdersOrNumber === "object" ? placeholdersOrNumber : void 0;
  const number = typeof optionsOrNumber === "number" ? optionsOrNumber : typeof placeholdersOrNumber === "number" ? placeholdersOrNumber : void 0;
  const allOptions = {
    // defaults
    escape: true,
    sanitize: true,
    // overwrite with user config
    ...typeof options === "object" ? options : typeof optionsOrNumber === "object" ? optionsOrNumber : {}
  };
  const identity = (value) => value;
  const optSanitize = allOptions.sanitize ? DOMPurify.sanitize : identity;
  const optEscape = allOptions.escape ? escapeHTML : identity;
  const isValidReplacement = (value) => typeof value === "string" || typeof value === "number";
  const _build = (text2, vars2, number2) => {
    return text2.replace(/%n/g, "" + number2).replace(/{([^{}]*)}/g, (match, key) => {
      if (vars2 === void 0 || !(key in vars2)) {
        return optEscape(match);
      }
      const replacement = vars2[key];
      if (isValidReplacement(replacement)) {
        return optEscape(`${replacement}`);
      } else if (typeof replacement === "object" && isValidReplacement(replacement.value)) {
        const escape = replacement.escape !== false ? escapeHTML : identity;
        return escape(`${replacement.value}`);
      } else {
        return optEscape(match);
      }
    });
  };
  const bundle = options?.bundle ?? getAppTranslations(app);
  let translation = bundle.translations[text] || text;
  translation = Array.isArray(translation) ? translation[0] : translation;
  if (typeof vars === "object" || number !== void 0) {
    return optSanitize(_build(
      translation,
      vars,
      number
    ));
  } else {
    return optSanitize(translation);
  }
}
function translatePlural(app, textSingular, textPlural, number, vars, options) {
  const identifier = "_" + textSingular + "_::_" + textPlural + "_";
  const bundle = options?.bundle ?? getAppTranslations(app);
  const value = bundle.translations[identifier];
  if (typeof value !== "undefined") {
    const translation = value;
    if (Array.isArray(translation)) {
      const plural = bundle.pluralFunction(number);
      return translate(app, translation[plural], vars, number, options);
    }
  }
  if (number === 1) {
    return translate(app, textSingular, vars, number, options);
  } else {
    return translate(app, textPlural, vars, number, options);
  }
}
function loadTranslations(appName, callback) {
  if (hasAppTranslations(appName) || getLocale() === "en") {
    return Promise.resolve().then(callback);
  }
  const url = generateFilePath(appName, "l10n", getLocale() + ".json");
  const promise = new Promise((resolve, reject) => {
    const request = new XMLHttpRequest();
    request.open("GET", url, true);
    request.onerror = () => {
      reject(new Error(request.statusText || "Network error"));
    };
    request.onload = () => {
      if (request.status >= 200 && request.status < 300) {
        try {
          const bundle = JSON.parse(request.responseText);
          if (typeof bundle.translations === "object") resolve(bundle);
        } catch (error) {
        }
        reject(new Error("Invalid content of translation bundle"));
      } else {
        reject(new Error(request.statusText));
      }
    };
    request.send();
  });
  return promise.then((result) => {
    register(appName, result.translations);
    return result;
  }).then(callback);
}
function register(appName, bundle) {
  registerAppTranslations(appName, bundle, getPlural);
}
function unregister(appName) {
  return unregisterAppTranslations(appName);
}
function getPlural(number, language = getLanguage()) {
  if (language === "pt-BR") {
    language = "xbr";
  }
  if (language.length > 3) {
    language = language.substring(0, language.lastIndexOf("-"));
  }
  switch (language) {
    case "az":
    case "bo":
    case "dz":
    case "id":
    case "ja":
    case "jv":
    case "ka":
    case "km":
    case "kn":
    case "ko":
    case "ms":
    case "th":
    case "tr":
    case "vi":
    case "zh":
      return 0;
    case "af":
    case "bn":
    case "bg":
    case "ca":
    case "da":
    case "de":
    case "el":
    case "en":
    case "eo":
    case "es":
    case "et":
    case "eu":
    case "fa":
    case "fi":
    case "fo":
    case "fur":
    case "fy":
    case "gl":
    case "gu":
    case "ha":
    case "he":
    case "hu":
    case "is":
    case "it":
    case "ku":
    case "lb":
    case "ml":
    case "mn":
    case "mr":
    case "nah":
    case "nb":
    case "ne":
    case "nl":
    case "nn":
    case "no":
    case "oc":
    case "om":
    case "or":
    case "pa":
    case "pap":
    case "ps":
    case "pt":
    case "so":
    case "sq":
    case "sv":
    case "sw":
    case "ta":
    case "te":
    case "tk":
    case "ur":
    case "zu":
      return number === 1 ? 0 : 1;
    case "am":
    case "bh":
    case "fil":
    case "fr":
    case "gun":
    case "hi":
    case "hy":
    case "ln":
    case "mg":
    case "nso":
    case "xbr":
    case "ti":
    case "wa":
      return number === 0 || number === 1 ? 0 : 1;
    case "be":
    case "bs":
    case "hr":
    case "ru":
    case "sh":
    case "sr":
    case "uk":
      return number % 10 === 1 && number % 100 !== 11 ? 0 : number % 10 >= 2 && number % 10 <= 4 && (number % 100 < 10 || number % 100 >= 20) ? 1 : 2;
    case "cs":
    case "sk":
      return number === 1 ? 0 : number >= 2 && number <= 4 ? 1 : 2;
    case "ga":
      return number === 1 ? 0 : number === 2 ? 1 : 2;
    case "lt":
      return number % 10 === 1 && number % 100 !== 11 ? 0 : number % 10 >= 2 && (number % 100 < 10 || number % 100 >= 20) ? 1 : 2;
    case "sl":
      return number % 100 === 1 ? 0 : number % 100 === 2 ? 1 : number % 100 === 3 || number % 100 === 4 ? 2 : 3;
    case "mk":
      return number % 10 === 1 ? 0 : 1;
    case "mt":
      return number === 1 ? 0 : number === 0 || number % 100 > 1 && number % 100 < 11 ? 1 : number % 100 > 10 && number % 100 < 20 ? 2 : 3;
    case "lv":
      return number === 0 ? 0 : number % 10 === 1 && number % 100 !== 11 ? 1 : 2;
    case "pl":
      return number === 1 ? 0 : number % 10 >= 2 && number % 10 <= 4 && (number % 100 < 12 || number % 100 > 14) ? 1 : 2;
    case "cy":
      return number === 1 ? 0 : number === 2 ? 1 : number === 8 || number === 11 ? 2 : 3;
    case "ro":
      return number === 1 ? 0 : number === 0 || number % 100 > 0 && number % 100 < 20 ? 1 : 2;
    case "ar":
      return number === 0 ? 0 : number === 1 ? 1 : number === 2 ? 2 : number % 100 >= 3 && number % 100 <= 10 ? 3 : number % 100 >= 11 && number % 100 <= 99 ? 4 : 5;
    default:
      return 0;
  }
}
export {
  getLocale as a,
  getLanguage as b,
  translatePlural as c,
  getPlural as d,
  getCanonicalLocale as g,
  isRTL as i,
  loadTranslations as l,
  register as r,
  translate as t,
  unregister as u
};