import assert from "node:assert";

import { makeTypeConstructor } from "../lib/meta/type_constructor.js";
import { Bool, Char, Int } from "../lib/primitives/primitive_types.js";
import { makeModuleStruct } from "../lib/structures/struct.types.js";
import { lsType } from "../lib/structures/type_constructors.types.js";

// Nominal type
const symbolPerson = "Person__22a59ca589b4a7efdbe20b52f380e50f";

const Person = makeTypeConstructor(symbolPerson)(0);

const fields = [
  {l: "name", r: lsType(_ => Char)},
  {l: "age", r: Int},
  {l: "isMale", r: Bool},
];

const [
  [, {i: newPerson}],
  [, {i: getName}],
  [, {i: getAge}],
  [, {i: getIsMale}],
] = makeModuleStruct(Person)(fields);

const expectedName = "billy";
const expectedAge = 99;
const expectedIsMale = true;

const billy = newPerson(expectedName)(expectedAge)(expectedIsMale);

const actualName = getName(billy);
const actualAge = getAge(billy);
const actualIsMale = getIsMale(billy);

assert.equal(actualName, expectedName);
assert.equal(actualAge, expectedAge);
assert.equal(actualIsMale, expectedIsMale);