import { describe, expect, test } from 'bun:test'
import { readFileSync } from 'node:fs'

describe('Windows installer recovery prerequisites', () => {
  test('does not compile native path helpers at install time', () => {
    const recoveryHelper = readFileSync(
      'desktop/build/recover-legacy-install-data.ps1',
      'utf8',
    )

    expect(recoveryHelper).not.toContain('Add-Type')
    expect(recoveryHelper).toContain('function Assert-NoReparsePointInPath')
    expect(recoveryHelper).toContain('$rootAttributes = [IO.File]::GetAttributes($current)')
    expect(recoveryHelper).toContain(
      'contains a reparse point and cannot be recovered safely',
    )
    expect(recoveryHelper).toContain('function Get-CanonicalPathIdentity')
    expect(recoveryHelper).toContain('System32\\mountvol.exe')
    expect(recoveryHelper).toContain('SUBST aliases cannot be recovered safely')
    expect(recoveryHelper).toContain('Possible 8.3 path alias cannot be proven safe')
    expect(recoveryHelper).toContain('Alternate path alias cannot be recovered safely')
    expect(recoveryHelper).toContain('Get-ChildItem -LiteralPath $current -Force')
    expect(recoveryHelper).toContain("([string]$_.Name).Equals($segment")
    expect(recoveryHelper).toContain("Join-Path $testRoot 'project~notes'")
    expect(recoveryHelper).toContain("Join-Path $testRoot 'MISSIN~1'")
    expect(recoveryHelper).not.toContain("'PROGRA~1'")
    expect(recoveryHelper).toContain('possible 8.3 alias did not fail closed')
    expect(recoveryHelper).toContain('legal long directory name containing a tilde')
    expect(recoveryHelper).toContain('extended volume alias did not fail closed')
    expect(recoveryHelper).toContain('SUBST alias did not fail closed')
  })

  test('skips PowerShell only for a proven default per-user installation', () => {
    const installerHook = readFileSync('desktop/build/installer.nsh', 'utf8')
    const fastPathStart = installerHook.indexOf(
      'Function CcHahaCanSkipLegacyRecovery',
    )
    const recoveryCall = installerHook.indexOf(
      'UAC_AsUser_Call Function CcHahaRecoverLegacy',
    )

    expect(fastPathStart).toBeGreaterThan(-1)
    expect(fastPathStart).toBeLessThan(recoveryCall)
    expect(installerHook).toMatch(
      /Function CcHahaCanSkipLegacyRecovery[\s\S]*\$8 != "trusted-user"/,
    )
    expect(installerHook).toMatch(
      /StrCpy \$8 "trusted-user"[\s\S]*UAC_IsAdmin[\s\S]*StrCpy \$8 "untrusted-elevated"[\s\S]*UAC_IsInnerInstance[\s\S]*StrCpy \$8 "trusted-uac-outer"[\s\S]*Call CcHahaCanSkipLegacyRecovery/,
    )
    expect(installerHook).toContain(
      '$ccHahaPerUserInstallLocation == ""',
    )
    expect(installerHook).toContain(
      '$ccHahaPerMachineInstallLocation != ""',
    )
    expect(installerHook).toContain(
      '$ccHahaPerMachineUninstallString != ""',
    )
    expect(installerHook).toContain(
      'StrCmp $ccHahaPerUserInstallLocation $INSTDIR',
    )
    expect(installerHook).toContain('ReadEnvStr $R0 CLAUDE_CONFIG_DIR')
    expect(installerHook).toContain(
      'IfFileExists "$ccHahaPerUserInstallLocation\\CLAUDE_CONFIG_DIR\\*.*"',
    )
    expect(installerHook).toContain(
      'FileOpen $R2 "$R1\\Claude Code Haha\\app-mode.json" r',
    )
    expect(installerHook).toContain('StrCmp $R3 \'  "mode": "default",$\\n\'')
    expect(installerHook).toContain('StrCmp $R3 \'  "portable_dir": null$\\n\'')
    expect(installerHook).toContain('FileClose $R2')
    expect(installerHook).toMatch(
      /Call CcHahaCanSkipLegacyRecovery[\s\S]*No legacy data candidates found for the registered per-user installation[\s\S]*UAC_AsUser_Call Function CcHahaRecoverLegacy/,
    )
  })

  test('keeps no-CLR default and portable upgrade cases in Windows smoke', () => {
    const installerSmoke = readFileSync(
      'desktop/scripts/windows-installer-smoke.ps1',
      'utf8',
    )

    expect(installerSmoke).toContain("$env:COMPLUS_Version = 'v0.0.0-test-invalid-clr'")
    expect(installerSmoke).toContain('Test-IsProcessElevated')
    expect(installerSmoke).toContain('Elevated default-mode reinstall without CLR')
    expect(installerSmoke).toMatch(
      /Elevated default-mode reinstall without CLR' -ExpectedExitCode 20/,
    )
    expect(installerSmoke).toContain('Trusted-user default-mode reinstall without CLR')
    expect(installerSmoke).toContain('Portable reinstall without CLR')
    expect(installerSmoke).toMatch(
      /Portable reinstall without CLR' -ExpectedExitCode 20/,
    )
    expect(installerSmoke).toContain('Invoke-ProcessExpectFailure')
    expect(installerSmoke).toContain('must-survive-failed-upgrade')
  })
})