export function* randomNumbers(seed: number, max: number, maxResult: number|undefined = undefined) : Generator<number> {
    const a = 48271;
    const m =  2147483647;
    max = Math.floor(max);
    let i = 0;
    while (true) {
        seed = (a * seed) % m; 
        yield seed % max;
        i ++;
        if(maxResult !== undefined && i >= maxResult){
          return;
        }
    }
}

export function range(min: number, max: number): number[]{
    const ret = []
    for(let i = min; i < max; i ++){
        ret.push(i);
    }
    return ret;
}

export function generateLargeText(seed: number, size: number): string {
    const words = [
      "Norway",
      "Germany",
      "Ecuador",
      "Chile",
      "Colombia",
      "Sri Lanka",
      "Guinea",
      "United Kingdom",
      "Egypt",
      "Palau",
      "Latvia",
      "Congo, Democratic Republic of the",
      "Malawi",
      "Senegal",
      "Trinidad and Tobago",
      "Guatemala",
      "Chad",
      "New Zealand",
      "Malaysia",
      "Lithuania",
      "Taiwan",
      "Solomon Islands",
      "Grenada",
      "Hungary",
      "Korea, South",
    ];
    let ret: string[] = [];
    for (let i = 0; i < size; i++) {
      seed = (seed * 4931 + 2753) % words.length;
      ret.push(words[seed]);
    }
    return ret.join(" ");
  }