import { describe, expect, it } from "vitest";
import { createMockDb } from "../../../testing/index";
import type { Transaction } from "../generated/kysely-tailordb";
import { ContactPersonNotFoundError, InvalidStateTransitionError } from "../lib/errors.generated";
import { baseNonPrimaryContact, baseInactiveContact } from "../testing/fixtures";
import { run } from "./setPrimaryContactPerson";

describe("setPrimaryContactPerson", () => {
  it("sets contact as primary", async () => {
    const { db, spies } = createMockDb<Transaction>();
    spies.select.mockReturnValueOnce(baseNonPrimaryContact);
    spies.update.mockReturnValue({
      ...baseNonPrimaryContact,
      isPrimary: true,
    });

    const result = await run(db, { id: baseNonPrimaryContact.id });

    expect(result.ok).toBe(true);
    if (result.ok) {
      expect(result.value.contact.isPrimary).toBe(true);
    }
  });

  it("unsets previous primary contact", async () => {
    const { db, spies } = createMockDb<Transaction>();
    spies.select.mockReturnValueOnce(baseNonPrimaryContact);
    spies.update.mockReturnValue({
      ...baseNonPrimaryContact,
      isPrimary: true,
    });

    const result = await run(db, { id: baseNonPrimaryContact.id });

    expect(result.ok).toBe(true);
    // Two update calls: one to unset previous primary, one to set new primary
    expect(spies.update).toHaveBeenCalledTimes(2);
  });

  it("returns error when contact not found", async () => {
    const { db, spies } = createMockDb<Transaction>();
    spies.select.mockReturnValueOnce(undefined);

    const result = await run(db, { id: "nonexistent" });

    expect(result.ok).toBe(false);
    if (!result.ok) {
      expect(result.error).toBeInstanceOf(ContactPersonNotFoundError);
    }
  });

  it("returns error when contact is inactive", async () => {
    const { db, spies } = createMockDb<Transaction>();
    spies.select.mockReturnValueOnce(baseInactiveContact);

    const result = await run(db, { id: baseInactiveContact.id });

    expect(result.ok).toBe(false);
    if (!result.ok) {
      expect(result.error).toBeInstanceOf(InvalidStateTransitionError);
    }
  });
});
