import { describe, it, expect, vi, beforeEach } from 'vitest';

const { mockGet, mockPost, mockPatch, mockDelete } = vi.hoisted(() => ({
  mockGet: vi.fn(),
  mockPost: vi.fn(),
  mockPatch: vi.fn(),
  mockDelete: vi.fn(),
}));

vi.mock('../../src/services/api-client', () => ({
  apiClient: { get: mockGet, post: mockPost, patch: mockPatch, delete: mockDelete },
}));

import {
  listPantryItems,
  getPantryItem,
  createPantryItem,
  updatePantryItem,
  transitionPantryItem,
  batchTransitionPantryItems,
  getExpiringSoon,
  getWasteStats,
  deletePantryItem,
} from '../../src/services/pantry';

beforeEach(() => vi.clearAllMocks());

describe('pantry service', () => {
  it('listPantryItems with no query', async () => {
    mockGet.mockResolvedValue({ data: [] });
    await listPantryItems('hh1');
    expect(mockGet).toHaveBeenCalledWith('/households/hh1/pantry');
  });

  it('listPantryItems builds query string', async () => {
    mockGet.mockResolvedValue({ data: [] });
    await listPantryItems('hh1', {
      storageLocation: 'fridge',
      status: 'sealed',
      urgency: 'urgent',
      productId: 'p1',
      limit: 10,
    });
    const url = mockGet.mock.calls[0][0] as string;
    expect(url).toContain('storageLocation=fridge');
    expect(url).toContain('status=sealed');
    expect(url).toContain('urgency=urgent');
    expect(url).toContain('productId=p1');
    expect(url).toContain('limit=10');
  });

  it('listPantryItems with cursor', async () => {
    mockGet.mockResolvedValue({ data: [] });
    await listPantryItems('hh1', { cursor: 'cur1' });
    expect(mockGet).toHaveBeenCalledWith(expect.stringContaining('cursor=cur1'));
  });

  it('getPantryItem calls GET', async () => {
    mockGet.mockResolvedValue({ _id: 'item1' });
    await getPantryItem('hh1', 'item1');
    expect(mockGet).toHaveBeenCalledWith('/households/hh1/pantry/item1');
  });

  it('createPantryItem calls POST', async () => {
    mockPost.mockResolvedValue({ _id: 'item1' });
    const data = { productId: 'p1', storageLocation: 'fridge', quantity: 1, unit: 'piece' };
    await createPantryItem('hh1', data as never);
    expect(mockPost).toHaveBeenCalledWith('/households/hh1/pantry', data);
  });

  it('updatePantryItem calls PATCH', async () => {
    mockPatch.mockResolvedValue({ _id: 'item1' });
    await updatePantryItem('hh1', 'item1', { quantity: 2 });
    expect(mockPatch).toHaveBeenCalledWith('/households/hh1/pantry/item1', { quantity: 2 });
  });

  it('transitionPantryItem calls POST', async () => {
    mockPost.mockResolvedValue({ _id: 'item1' });
    await transitionPantryItem('hh1', 'item1', { status: 'opened' as never });
    expect(mockPost).toHaveBeenCalledWith('/households/hh1/pantry/item1/transition', {
      status: 'opened',
    });
  });

  it('batchTransitionPantryItems calls POST', async () => {
    mockPost.mockResolvedValue({ transitioned: 2, failed: 0 });
    const data = { itemIds: ['a', 'b'], status: 'consumed' as const };
    await batchTransitionPantryItems('hh1', data as never);
    expect(mockPost).toHaveBeenCalledWith('/households/hh1/pantry/batch-transition', data);
  });

  it('getExpiringSoon with no query', async () => {
    mockGet.mockResolvedValue({ data: [] });
    await getExpiringSoon('hh1');
    expect(mockGet).toHaveBeenCalledWith('/households/hh1/pantry/expiring-soon');
  });

  it('getExpiringSoon builds query string', async () => {
    mockGet.mockResolvedValue({ data: [] });
    await getExpiringSoon('hh1', { days: 3, cursor: 'c1', limit: 5 });
    const url = mockGet.mock.calls[0][0] as string;
    expect(url).toContain('days=3');
    expect(url).toContain('cursor=c1');
    expect(url).toContain('limit=5');
  });

  it('getWasteStats with no period', async () => {
    mockGet.mockResolvedValue({ wastePercentage: 10 });
    await getWasteStats('hh1');
    expect(mockGet).toHaveBeenCalledWith('/households/hh1/pantry/stats');
  });

  it('getWasteStats with period', async () => {
    mockGet.mockResolvedValue({ wastePercentage: 10 });
    await getWasteStats('hh1', 'week');
    expect(mockGet).toHaveBeenCalledWith('/households/hh1/pantry/stats?period=week');
  });

  it('deletePantryItem calls DELETE', async () => {
    mockDelete.mockResolvedValue(undefined);
    await deletePantryItem('hh1', 'item1');
    expect(mockDelete).toHaveBeenCalledWith('/households/hh1/pantry/item1');
  });
});
