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

describe('codex backup mechanism - simplified', () => {
  beforeEach(() => {
    vi.clearAllMocks()
    vi.resetModules()

    // Mock i18n system
    vi.mock('../../../../src/i18n', () => ({
      ensureI18nInitialized: vi.fn(),
      i18n: {
        t: vi.fn((key: string, options?: any) => {
          if (key === 'codex:backupSuccess') {
            return options ? `✔ Backup created at ${options.path}` : '✔ Backup created at {{path}}'
          }
          return `mocked_${key}`
        }),
      },
    }))
  })

  describe('with mocked file system', () => {
    it('should be able to import backup functions', async () => {
      // Act
      const codexModule = await import('../../../../src/utils/code-tools/codex')

      // Assert
      expect(codexModule.backupCodexFiles).toBeDefined()
      expect(codexModule.createBackupDirectory).toBeDefined()
      expect(codexModule.backupCodexConfig).toBeDefined()
      expect(codexModule.backupCodexAgents).toBeDefined()
      expect(codexModule.backupCodexPrompts).toBeDefined()
      expect(codexModule.getBackupMessage).toBeDefined()
    })

    it('should create backup directory with correct timestamp format', async () => {
      // Arrange
      const { createBackupDirectory } = await import('../../../../src/utils/code-tools/codex')

      // Act
      const result = createBackupDirectory('2024-01-01_14-30-00')

      // Assert
      expect(result).toContain('backup_2024-01-01_14-30-00')
      expect(result).toContain('.codex/backup')
    })

    it('should handle null backup path gracefully in getBackupMessage', async () => {
      // Arrange
      const { getBackupMessage } = await import('../../../../src/utils/code-tools/codex')

      // Act
      const result = getBackupMessage(null)

      // Assert
      expect(result).toBe('')
    })

    it('should handle non-null backup path in getBackupMessage', async () => {
      // Arrange
      const { getBackupMessage } = await import('../../../../src/utils/code-tools/codex')

      // Act
      const result = getBackupMessage('/some/path')

      // Assert - Should not be empty string when path is provided
      expect(result).not.toBe('')
    })
  })
})
