import { Currency } from "../business/Currency";
import { AddressContinent, AddressContinentId } from "./AddressContinent";

/**
 * Address region in database
 */
export interface AddressRegionDb {
  /**
   * Id, like CN for China
   * https://www.iban.com/country-codes
   * 国家编号
   */
  readonly id: string;

  /**
   * 3-code id like CHN for China
   * 三个字母国家编号
   */
  readonly id3: string;

  /**
   * Number id, like 156 for China
   * 数字编号
   */
  readonly nid: string;

  /**
   * Continent id
   * 洲编号
   */
  readonly continentId: AddressContinentId;

  /**
   * Phone exit code for international dial, like 00 in China
   * 国际拨号的电话退出代码
   */
  readonly exitCode: string;

  /**
   * National (truck) prefix
   * 国内呼叫的拨号
   */
  readonly nationalPrefix?: string;

  /**
   * Area code for international dial, like 86 for China
   * 国际电话区号
   */
  readonly idd: string;

  /**
   * Currency, like CNY for China's currency
   * 币种
   */
  readonly currency: Currency;

  /**
   * Name
   * 名称
   */
  label: string;

  /**
   * Pinyin or other query assistant data
   * 拼音或其他辅助查询字符串
   */
  py?: string;
}

/**
 * Country or region interface
 */
export interface IAddressRegion extends AddressRegionDb {
  /**
   * Continent
   * 洲
   */
  readonly continent: AddressContinent;

  /**
   * Languages
   * 语言
   */
  readonly languages: string[];
}

/**
 * Address or region
 */
export class AddressRegion implements IAddressRegion {
  /**
   * CN - China
   */
  static CN = new AddressRegion(
    "CN",
    "CHN",
    "156",
    AddressContinent.AS,
    "00",
    "+86",
    "0",
    "CNY",
    ["zh-Hans-CN", "zh-CN"]
  );

  /**
   * HK - HK, China
   * 中国香港
   */
  static HK = new AddressRegion(
    "HK",
    "HKG",
    "344",
    AddressContinent.AS,
    "001",
    "+852",
    undefined,
    "HKD",
    ["zh-Hant-HK", "zh-HK", "en-HK"]
  );

  /**
   * SG - Singapore
   * 新加坡
   */
  static SG = new AddressRegion(
    "SG",
    "SGP",
    "702",
    AddressContinent.AS,
    "000",
    "+65",
    undefined,
    "SGD",
    ["zh-Hans-SG", "zh-SG", "en-SG"]
  );

  /**
   * JP - Japan
   * 日本
   */
  static JP = new AddressRegion(
    "JP",
    "JPN",
    "392",
    AddressContinent.AS,
    "010",
    "+81",
    "0",
    "JPY",
    ["ja-JP"]
  );

  /**
   * US - United States
   * 美国
   */
  static US = new AddressRegion(
    "US",
    "USA",
    "840",
    AddressContinent.NA,
    "011",
    "+1",
    "1",
    "USD",
    ["en-US"]
  );

  /**
   * CA - Canada
   * 加拿大
   */
  static CA = new AddressRegion(
    "CA",
    "CAN",
    "124",
    AddressContinent.NA,
    "011",
    "+1",
    "1",
    "CAD",
    ["en-CA", "fr-CA"]
  );

  /**
   * AU - Australia
   * 澳大利亚
   */
  static AU = new AddressRegion(
    "AU",
    "AUS",
    "036",
    AddressContinent.OC,
    "0011",
    "+61",
    "0",
    "AUD",
    ["en-AU"]
  );

  /**
   * NZ - New Zealand
   * 新西兰
   */
  static NZ = new AddressRegion(
    "NZ",
    "NZL",
    "554",
    AddressContinent.OC,
    "00",
    "+64",
    "0",
    "NZD",
    ["en-NZ", "mi-NZ"]
  );

  /**
   * GB - Great Britain
   * 英国
   */
  static GB = new AddressRegion(
    "GB",
    "GBR",
    "826",
    AddressContinent.EU,
    "00",
    "+44",
    "0",
    "GBP",
    ["en-GB"]
  );

  /**
   * IE - Ireland
   * 爱尔兰
   */
  static IE = new AddressRegion(
    "IE",
    "IRL",
    "372",
    AddressContinent.EU,
    "00",
    "+353",
    "0",
    "EUR",
    ["en-IE"]
  );

  /**
   * DE - Germany
   * 德国
   */
  static DE = new AddressRegion(
    "DE",
    "DEU",
    "276",
    AddressContinent.EU,
    "00",
    "+49",
    "0",
    "EUR",
    ["de-DE"]
  );

  /**
   * FR - France
   * 法国
   */
  static FR = new AddressRegion(
    "FR",
    "FRA",
    "250",
    AddressContinent.EU,
    "00",
    "+33",
    "0",
    "EUR",
    ["fr-FR"]
  );

  /**
   * All countries and regions
   */
  static all = [
    AddressRegion.CN,
    AddressRegion.HK,
    AddressRegion.SG,
    AddressRegion.JP,
    AddressRegion.US,
    AddressRegion.CA,
    AddressRegion.AU,
    AddressRegion.NZ,
    AddressRegion.GB,
    AddressRegion.IE,
    AddressRegion.DE,
    AddressRegion.FR
  ];

  /**
   * Get country or region by id
   * @param id Country id
   */
  static getById(id: string) {
    return AddressRegion.all.find((c) => c.id === id);
  }

  /**
   * Continent id
   * 洲编号
   */
  readonly continentId: AddressContinentId;

  // Typescript constructor shorthand
  constructor(
    public id: string,
    public id3: string,
    public nid: string,
    public continent: AddressContinent,
    public exitCode: string,
    public idd: string,
    public nationalPrefix: string | undefined,
    public currency: Currency,
    public languages: string[],
    public label: string = id
  ) {
    this.continentId = AddressContinent[continent] as AddressContinentId;
  }
}