/** @module state */ /** for typedoc */
export class Glob {
  text: string;
  glob: Array<string>;

  constructor(text: string) {
    this.text = text;
    this.glob = text.split('.');
  }

  matches(name: string) {
    let segments = name.split('.');

    // match single stars
    for (let i = 0, l = this.glob.length; i < l; i++) {
      if (this.glob[i] === '*') segments[i] = '*';
    }

    // match greedy starts
    if (this.glob[0] === '**') {
       segments = segments.slice(segments.indexOf(this.glob[1]));
       segments.unshift('**');
    }
    // match greedy ends
    if (this.glob[this.glob.length - 1] === '**') {
       segments.splice(segments.indexOf(this.glob[this.glob.length - 2]) + 1, Number.MAX_VALUE);
       segments.push('**');
    }
    if (this.glob.length != segments.length) return false;

    return segments.join('') === this.glob.join('');
  }

  static is(text: string) {
    return text.indexOf('*') > -1;
  }

  static fromString(text: string) {
    if (!this.is(text)) return null;
    return new Glob(text);
  }
}