//
// Copyright (C) Stanislaw Adaszewski, 2020
// Contact: s.adaszewski@gmail.com
// Website: https://adared.ch/wba
// License: GNU Affero General Public License, Version 3
//

import arvadosTypeName from 'arvados-type-name';

const UUID_PATTERN = '[a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15}';
const PDH_PATTERN = '[a-f0-9]{32}\\+[0-9]+';

const UUID_REGEX = new RegExp(UUID_PATTERN);
const PDH_REGEX = new RegExp(PDH_PATTERN);

const UUID_REGEX_G = new RegExp(UUID_PATTERN, 'g');
const PDH_REGEX_G = new RegExp(PDH_PATTERN, 'g');

class WBIdTools {
  static isIdentifier(value) {
    return ( this.isUuid(value) || this.isPDH(value) );
  }

  static isUuid(value) {
    const m = UUID_REGEX.exec(value);
    return (m && m[0] === value);
  }

  static isPDH(value) {
    const m = PDH_REGEX.exec(value);
    return (m && m[0] === value);
  }

  static startsWithIdentifier(value) {
    return ( this.startsWithUuid(value) || this.startsWithPDH(value) );
  }

  static startsWithUuid(value) {
    const m = UUID_REGEX.exec(value);
    return ( m && m.index === 0 );
  }

  static startsWithPDH(value) {
    const m = PDH_REGEX.exec(value);
    return ( m && m.index === 0 );
  }

  static detectIdentifiers(value) {
    return this.detectUuids(value).concat(this.detectPDHs(value));
  }

  static detectUuids(value) {
    let m;
    const res = [];
    while (m = UUID_REGEX_G.exec(value)) {
      res.push(m);
    }
    return res;
  }

  static detectPDHs(value) {
    let m;
    const res = [];
    while (m = PDH_REGEX_G.exec(value)) {
      res.push(m);
    }
    return res;
  }

  static typeName(value) {
    if (this.isPDH(value))
      return 'collection';
    if (this.isUuid(value))
      return arvadosTypeName(value);
    throw Error('Given value is neither an UUID nor a PDH: ' + value);
  }
}

export default WBIdTools;