import { Nullable } from "@reins/types";

import { FormAdapter } from "../form-adapter";

type InitialValues = {
  name: string | null;
  surname: string | null;
  age: number | null;
  address: Nullable<{
    street: string;
    city: string;
    country: string;
  }>;
};

const initialValues: InitialValues = {
  name: null,
  surname: null,
  age: null,
  address: null,
};

describe("Form Adapter [ Values ]", () => {
  let form = new FormAdapter(initialValues);

  beforeEach(() => {
    form = new FormAdapter(initialValues);
  });

  it("should allow to set correct values", async () => {
    form.setFieldValue("name", "John");
    form.setFieldValue("surname", "Doe");
    form.setFieldValue("age", 30);

    form.setFieldValue("address", {
      street: "New street",
      city: "New city",
      country: "New country",
    });

    expect(form.getValues()).toEqual({
      name: "John",
      surname: "Doe",
      age: 30,
      address: {
        street: "New street",
        city: "New city",
        country: "New country",
      },
    });
  });

  it("should throw when assigning values to not defined value", async () => {
    // Since initial value is null, we cannot assign nested values
    expect(() => form.setFieldValue("address.street", "Some street")).toThrow();
    expect(() => form.setFieldValue("address.city", "Some city")).toThrow();
    expect(() => form.setFieldValue("address.country", "Some country")).toThrow();
  });
});