import glob from 'glob';
import fs from 'fs';

import { Serializable } from '../../types';
import parseJson from '../../json/parseJson';

export function encode(pair: string): string {
  return pair.split('=').map((part, index) => (index ? encodeURIComponent(part) : part)).join('=');
}
export interface Fixture {
  query: string
  json: Serializable
  file: string
}

export function loadFixtures(): Fixture[] {
  const files = glob.sync('./test/_resources/querystring/*.fixture');
  return files.map((file) => {
    const fileContents = fs.readFileSync(file).toString('utf-8');
    const [queryParts, jsonString] = fileContents.split('\n\n');
    const query = queryParts.split('\n').map(encode).join('&');
    const json = parseJson<Serializable>(jsonString);
    return { query, json, file };
  });
}

export function toQueryStringPairArray(query: string): string[] {
  return query.split('&').sort();
}