export const DISTS = [
  "uniform",
  "normal",
  "binomial",
  "poisson",
  "exponential",
  "hypergeometric",
] as const;

export type Dist = (typeof DISTS)[number];

export const VERSION = "1.0.0";

export interface Options {
  dist: Dist;
  count: number;
  decimals: number;
  // uniform
  min: number;
  max: number;
  // normal
  mean: number;
  stddev: number;
  // binomial
  trials: number;
  prob: number;
  // poisson
  lambda: number;
  // hypergeometric
  popSize: number;
  successes: number;
  draws: number;
}

export function defaultOptions(dist: Dist): Options {
  return {
    dist,
    count: 1,
    decimals: 0,
    min: 0,
    max: 100,
    mean: 0,
    stddev: 1,
    trials: 10,
    prob: 0.5,
    lambda: 1,
    popSize: 100,
    successes: 50,
    draws: 10,
  };
}