import { Glob } from 'glob';
import * as minimatch from 'minimatch';

export interface IGlobOptions {
  nodir?: boolean;
  dot?: boolean;
  ignore?: string;
}

/**
 * Matches the given glob pattern as a promise.
 * See:
 *    https://www.npmjs.com/package/glob
 */
export function find(
  pattern: string,
  options: IGlobOptions = {},
): Promise<string[]> {
  return new Promise<string[]>((resolve, reject) => {
    new Glob(pattern, options, (err, matches) => {
      // tslint:disable-line
      if (err) {
        reject(err);
      } else {
        resolve(matches);
      }
    });
  });
}

export type IGlobMatchOptions = {
  debug?: boolean;
};

/**
 * Determines if the given path matches a glob pattern.
 */
export function isMatch(
  pattern: string,
  path: string,
  options: IGlobMatchOptions = {},
) {
  return minimatch(path, pattern, options);
}

/**
 * Returns a glob pattern matcher
 */
export function matcher(pattern: string, options: IGlobMatchOptions = {}) {
  const args = options;
  return (path: string, options: IGlobMatchOptions = {}) => {
    return isMatch(pattern, path, { ...args, ...options });
  };
}