const {
  getInitialStylistFromEnv,
  seedInitialData,
} = require('./seed-initial.cjs');

describe('seedInitialData', () => {
  const env = {
    INITIAL_STYLIST_ID: '1',
    INITIAL_STYLIST_USERNAME: 'Ogawa',
    INITIAL_STYLIST_EMAIL: 'stylist@example.com',
    INITIAL_STYLIST_PASSWORD: 'Passw0rd!',
  };

  const createPrismaMock = () => ({
    hairstylistUser: {
      findUnique: jest.fn(),
      create: jest.fn(),
      update: jest.fn(),
    },
    systemConfig: {
      upsert: jest.fn(),
    },
    hairTemplate: {
      upsert: jest.fn(),
    },
  });

  it('seeds only the initial stylist account', async () => {
    const prisma = createPrismaMock();
    prisma.hairstylistUser.findUnique.mockResolvedValue(null);
    const hashPassword = jest.fn().mockResolvedValue('hashed-password');

    const result = await seedInitialData(prisma, { env, hashPassword });

    expect(hashPassword).toHaveBeenCalledWith('Passw0rd!', 10);
    expect(prisma.hairstylistUser.create).toHaveBeenCalledWith({
      data: {
        id: BigInt(1),
        username: 'Ogawa',
        email: 'stylist@example.com',
        password: 'hashed-password',
        isDeleted: 0,
      },
    });
    expect(prisma.systemConfig.upsert).not.toHaveBeenCalled();
    expect(prisma.hairTemplate.upsert).not.toHaveBeenCalled();
    expect(result).toEqual({
      stylist: 'created',
      stylistUsername: 'Ogawa',
      stylistEmail: 'stylist@example.com',
    });
  });

  it('does not reset or rewrite the initial stylist when it already exists', async () => {
    const prisma = createPrismaMock();
    prisma.hairstylistUser.findUnique.mockResolvedValue({ id: BigInt(1) });
    const hashPassword = jest.fn();

    const result = await seedInitialData(prisma, { env, hashPassword });

    expect(hashPassword).not.toHaveBeenCalled();
    expect(prisma.hairstylistUser.create).not.toHaveBeenCalled();
    expect(prisma.hairstylistUser.update).not.toHaveBeenCalled();
    expect(result.stylist).toBe('existing');
  });

  it('keeps the expected default account', () => {
    expect(getInitialStylistFromEnv(env)).toEqual({
      id: BigInt(1),
      username: 'Ogawa',
      email: 'stylist@example.com',
      password: 'Passw0rd!',
    });
  });
});