jest.setup.js

import '@testing-library/jest-dom'

// Mock Next.js router
jest.mock('next/router', () => ({
  useRouter() {
    return {
      route: '/',
      pathname: '/',
      query: {},
      asPath: '/',
      push: jest.fn(),
      pop: jest.fn(),
      reload: jest.fn(),
      back: jest.fn(),
      prefetch: jest.fn().mockResolvedValue(undefined),
      beforePopState: jest.fn(),
      events: {
        on: jest.fn(),
        off: jest.fn(),
        emit: jest.fn(),
      },
      isFallback: false,
    }
  },
}))

// Mock Next.js navigation
jest.mock('next/navigation', () => ({
  useRouter() {
    return {
      push: jest.fn(),
      replace: jest.fn(),
      prefetch: jest.fn(),
      back: jest.fn(),
      forward: jest.fn(),
      refresh: jest.fn(),
    }
  },
  useSearchParams() {
    return new URLSearchParams()
  },
  usePathname() {
    return '/'
  },
}))

// Mock Supabase
jest.mock('./lib/supabase/client', () => ({
  createClient: jest.fn(() => ({
    auth: {
      getUser: jest.fn(),
      getSession: jest.fn(),
      onAuthStateChange: jest.fn(),
      signOut: jest.fn(),
    },
    from: jest.fn(() => ({
      select: jest.fn().mockReturnThis(),
      insert: jest.fn().mockReturnThis(),
      update: jest.fn().mockReturnThis(),
      delete: jest.fn().mockReturnThis(),
      eq: jest.fn().mockReturnThis(),
      single: jest.fn(),
    })),
  })),
}))

// Mock environment variables
process.env.NEXT_PUBLIC_SUPABASE_URL = 'https://test.supabase.co'
process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY = 'test-key'

// Global test utilities
global.ResizeObserver = jest.fn().mockImplementation(() => ({
  observe: jest.fn(),
  unobserve: jest.fn(),
  disconnect: jest.fn(),
}))

global.matchMedia = jest.fn().mockImplementation((query) => ({
  matches: false,
  media: query,
  onchange: null,
  addListener: jest.fn(),
  removeListener: jest.fn(),
  addEventListener: jest.fn(),
  removeEventListener: jest.fn(),
  dispatchEvent: jest.fn(),
}))

// Mock TextEncoder and TextDecoder for Node.js environment
const { TextEncoder, TextDecoder } = require('util')
global.TextEncoder = TextEncoder
global.TextDecoder = TextDecoder