# Codex CLI - Windows Uninstaller
# Usage: powershell -ExecutionPolicy Bypass -File codex\ucodex_uninstall.ps1

$ErrorActionPreference = "Continue"

Write-Host ""
Write-Host "  +--------------------------------------+" -ForegroundColor Cyan
Write-Host "  |   Codex CLI -- Windows Uninstaller   |" -ForegroundColor Cyan
Write-Host "  +--------------------------------------+" -ForegroundColor Cyan
Write-Host ""


# ---- Optionally remove npm package (if codex was installed via @openai/codex) ----
if (Get-Command npm -ErrorAction SilentlyContinue) {
    Write-Host "  Removing @openai/codex npm package (if present)..." -ForegroundColor Cyan
    npm uninstall -g @openai/codex 2>$null | Out-Null
    npm config delete "@openai:registry" 2>$null | Out-Null
    Write-Host "  npm cleanup done (no-op if not installed via npm)" -ForegroundColor Green
}

# ---- Remove binary ----

$installDir = "$env:LOCALAPPDATA\Programs\codex"
if (Test-Path "$installDir\codex.exe") {
    Write-Host "  Stopping codex processes..." -ForegroundColor Cyan
    Get-Process -Name "codex" -ErrorAction SilentlyContinue | Stop-Process -Force
    Write-Host "  Removing $installDir..." -ForegroundColor Cyan
    Remove-Item -Recurse -Force $installDir
    Write-Host "  Binary removed" -ForegroundColor Green

    # Remove from PATH
    $userPath = [System.Environment]::GetEnvironmentVariable("Path", "User")
    if ($userPath -like "*$installDir*") {
        $newPath = ($userPath -split ";" | Where-Object { $_ -ne $installDir }) -join ";"
        # >>> wildcard env cleanup (Item 18 audit) <<<
$prefixesToRemove = @("OPENAI_")
$userVars = [System.Environment]::GetEnvironmentVariables("User")
foreach ($name in @($userVars.Keys)) {
    foreach ($p in $prefixesToRemove) {
        if ($name -like "${p}*" -or $name -eq $p) {
            [System.Environment]::SetEnvironmentVariable($name, $null, "User")
            Remove-Item -Path "Env:\$name" -ErrorAction SilentlyContinue
            Write-Host "  Removed env: $name" -ForegroundColor Cyan
            break
        }
    }
}
# <<< end wildcard cleanup >>>

[System.Environment]::SetEnvironmentVariable("Path", $newPath, "User")
        Write-Host "  Removed from PATH" -ForegroundColor Green
    }
} else {
    Write-Host "  Codex binary not found at $installDir" -ForegroundColor Yellow
    # Check other common locations
    $altPath = (Get-Command codex -ErrorAction SilentlyContinue).Source
    if ($altPath) {
        Write-Host "  Found at: $altPath - remove manually" -ForegroundColor Yellow
    }
}

# ---- Remove config ----

$codexDir = "$env:USERPROFILE\.codex"
if (Test-Path $codexDir) {
    Write-Host "  Removing $codexDir..." -ForegroundColor Cyan
    Remove-Item -Recurse -Force $codexDir
    Write-Host "  Config removed" -ForegroundColor Green
} else {
    Write-Host "  No config directory found" -ForegroundColor Yellow
}

# ---- Remove env vars ----

Write-Host "  Removing environment variables..." -ForegroundColor Cyan
[System.Environment]::SetEnvironmentVariable("OPENAI_API_KEY", $null, "User")
[System.Environment]::SetEnvironmentVariable("OPENAI_BASE_URL", $null, "User")
Remove-Item Env:OPENAI_API_KEY -ErrorAction SilentlyContinue
Remove-Item Env:OPENAI_BASE_URL -ErrorAction SilentlyContinue
Write-Host "  Env vars removed" -ForegroundColor Green

Write-Host ""
Write-Host "  Codex CLI fully uninstalled!" -ForegroundColor Green
Write-Host ""