<#
Backup del entorno PowerShell + SSH.
Incluye: perfil, historial PSReadLine, ssh_config (ruta actual) y opcional llaves.
#>

param(
  [string]$RepoConfig = "C:\Users\ofgar\Workspace\revelation\ssh_config",
  [string]$BackupRoot = (Join-Path $env:USERPROFILE "Documents\pwsh_ssh_backup"),
  [switch]$IncludeKeys
)

$ErrorActionPreference = "Stop"

$ts  = Get-Date -Format "yyyyMMdd_HHmmss"
$dst = Join-Path $BackupRoot $ts

New-Item -ItemType Directory -Force -Path $dst | Out-Null

function SafeCopy([string]$src, [string]$name) {
  if (Test-Path -LiteralPath $src) {
    Copy-Item -LiteralPath $src -Destination (Join-Path $dst $name) -Force
    Write-Host "OK: $name"
  } else {
    Write-Warning "No existe: $src"
  }
}

# 1) Perfil PowerShell
SafeCopy $PROFILE "Microsoft.PowerShell_profile.ps1"

# 2) Historial PSReadLine
$hist = (Get-PSReadLineOption).HistorySavePath
SafeCopy $hist "ConsoleHost_history.txt"

# 3) ssh_config (ruta actual)
SafeCopy $RepoConfig "ssh_config"

# 4) Inventario de módulos
Get-InstalledModule | Select Name, Version | Sort Name |
  Out-File (Join-Path $dst "pwsh_modules.txt") -Encoding UTF8
Write-Host "OK: pwsh_modules.txt"

# 5) Opcional: llaves y archivos SSH
if ($IncludeKeys) {
  $sshDir = Join-Path $env:USERPROFILE ".ssh"
  SafeCopy (Join-Path $sshDir "id_rsa")      "id_rsa"
  SafeCopy (Join-Path $sshDir "id_rsa.pub")  "id_rsa.pub"
  SafeCopy (Join-Path $sshDir "known_hosts") "known_hosts"
  SafeCopy (Join-Path $sshDir "config")      "config_current"
}

# 6) Info general
$info = Join-Path $dst "env_info.txt"
"PowerShell: $($PSVersionTable.PSVersion)" | Out-File $info -Encoding UTF8
"PROFILE: $PROFILE" | Add-Content $info
"PSReadLineHistory: $hist" | Add-Content $info
"RepoConfig: $RepoConfig" | Add-Content $info

Write-Host ""
Write-Host "Backup creado en: $dst"