import arvadosTypeName from 'arvados-type-name';

const UUID_REGEX = /[a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15}/g;
const PDH_REGEX = /[a-f0-9]{32}\+[0-9]+/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 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;