import faker from '@faker-js/faker';

const arrayOf = <T>(f: () => T) => {
  const length = 3;

  return Array.from({
    length,
  }, f);
};

const objectOf = <T>(f: () => T) => {
  const keys = ['foo', 'bar', 'qux'];

  return keys.reduce<Record<string, T>>((object, key) => {
    object[key] = f();
    return object;
  }, {});
};

const factories = {
  boolean: () => faker.datatype.boolean(),
  date_iso_8601: () => faker.datatype.datetime().toISOString().slice(0, 10),
  date_time_iso_8601: () => faker.datatype.datetime().toISOString(),
  decimal: () => faker.datatype.float(),
  double: () => faker.datatype.float(),
  integer: () => faker.datatype.number(),
  json: () => faker.datatype.json(),
  long: () => faker.datatype.number(),
  object: () => faker.datatype.json(),
  string: () => faker.datatype.string(),
  unit: () => undefined,
  uuid: () => faker.datatype.uuid(),
  'io.github.mkows.state.example.v0.enums.item_state_failed_cause': (): io.github.mkows.state.example.v0.enums.ItemStateFailedCause => faker.helpers.arrayElement(['ErrorCause1', 'ErrorCause2', 'ErrorCause3']),
  'io.github.mkows.state.example.v0.enums.item_state_progress': (): io.github.mkows.state.example.v0.enums.ItemStateProgress => faker.helpers.arrayElement(['Init', 'Pending', 'Completed']),

  'io.github.mkows.state.example.v0.models.error': (): io.github.mkows.state.example.v0.models.Error => ({
    code: factories.integer(),
    message: factories.string(),
    details: factories.string(),
  }),

  'io.github.mkows.state.example.v0.models.healthcheck': (): io.github.mkows.state.example.v0.models.Healthcheck => ({
    status: factories.string(),
  }),

  'io.github.mkows.state.example.v0.unions.item_state': (): io.github.mkows.state.example.v0.unions.ItemState => {
    const f = faker.helpers.arrayElement([() => ({
      type: 'item_state_progress' as const,
      value: factories['io.github.mkows.state.example.v0.enums.item_state_progress'](),
    }), () => ({
      type: 'item_state_failed_cause' as const,
      value: factories['io.github.mkows.state.example.v0.enums.item_state_failed_cause'](),
    })]);

    return f();
  },
};

export const makeError = () => factories['io.github.mkows.state.example.v0.models.error']();
export const makeHealthcheck = () => factories['io.github.mkows.state.example.v0.models.healthcheck']();
export const makeItemState = () => factories['io.github.mkows.state.example.v0.unions.item_state']();
export const makeItemStateFailedCause = () => factories['io.github.mkows.state.example.v0.enums.item_state_failed_cause']();
export const makeItemStateProgress = () => factories['io.github.mkows.state.example.v0.enums.item_state_progress']();