import type {
    AuthUser,
    Hoa,
    HoaId,
    Membership,
    MembershipId,
    Unit,
    UnitId,
    UserId,
} from '@dwellops/types';

let _idCounter = 1;

/**
 * Generates a deterministic test ID string.
 * Resets on module re-import; do not rely on specific values across test files.
 */
function nextId(prefix: string): string {
    return `${prefix}_test_${String(_idCounter++).padStart(4, '0')}`;
}

/**
 * Resets the ID counter. Call in beforeEach if deterministic IDs matter.
 */
export function resetIdCounter(): void {
    _idCounter = 1;
}

/**
 * Creates a mock AuthUser. All fields are overridable.
 *
 * @param overrides - Partial AuthUser fields to override.
 */
export function makeUser(overrides: Partial<AuthUser> = {}): AuthUser {
    return {
        id: nextId('user') as UserId,
        email: 'test@example.com',
        name: 'Test User',
        emailVerified: true,
        image: null,
        ...overrides,
    };
}

/**
 * Creates a mock Hoa record.
 *
 * @param overrides - Partial Hoa fields to override.
 */
export function makeHoa(overrides: Partial<Hoa> = {}): Hoa {
    const id = nextId('hoa') as HoaId;
    return {
        id,
        name: 'Test HOA',
        slug: `test-hoa-${id}`,
        description: null,
        createdAt: new Date().toISOString(),
        updatedAt: new Date().toISOString(),
        ...overrides,
    };
}

/**
 * Creates a mock Unit record.
 *
 * @param overrides - Partial Unit fields to override.
 */
export function makeUnit(overrides: Partial<Unit> = {}): Unit {
    return {
        id: nextId('unit') as UnitId,
        hoaId: nextId('hoa') as HoaId,
        identifier: '101',
        address: null,
        createdAt: new Date().toISOString(),
        updatedAt: new Date().toISOString(),
        ...overrides,
    };
}

/**
 * Creates a mock Membership record.
 *
 * @param overrides - Partial Membership fields to override.
 */
export function makeMembership(overrides: Partial<Membership> = {}): Membership {
    return {
        id: nextId('membership') as MembershipId,
        userId: nextId('user') as UserId,
        hoaId: nextId('hoa') as HoaId,
        unitId: null,
        role: 'OWNER',
        createdAt: new Date().toISOString(),
        updatedAt: new Date().toISOString(),
        ...overrides,
    };
}