install.ps1

param(
    [string]$InstallDir = "$env:LOCALAPPDATA\gogentoo\bin"
)

Set-StrictMode -Version Latest
$ErrorActionPreference = "Stop"

Write-Host "Installing GoGentoo to '$InstallDir'..."

if (-not (Test-Path -LiteralPath $InstallDir)) {
    New-Item -ItemType Directory -Path $InstallDir -Force | Out-Null
}

# Build the gogentoo executable
$outputExe = Join-Path $InstallDir "gogentoo.exe"
Write-Host "Building gogentoo.exe..."
& go build -o $outputExe ./cmd/gogentoo
if ($LASTEXITCODE -ne 0 -or -not (Test-Path -LiteralPath $outputExe)) {
    throw "go build failed; ensure Go is installed and in PATH, and run this script from the repository root."
}

Write-Host "Built gogentoo at '$outputExe'."

# Add InstallDir to user PATH if not already present
$currentUserPath = [Environment]::GetEnvironmentVariable("PATH", "User")
if ($null -eq $currentUserPath) {
    $currentUserPath = ""
}

$pathParts = $currentUserPath -split ';' | Where-Object { $_ -ne "" }
$alreadyInPath = $pathParts | Where-Object { $_.TrimEnd('\') -ieq $InstallDir.TrimEnd('\') } | ForEach-Object { $true } | Select-Object -First 1

if (-not $alreadyInPath) {
    Write-Host "Adding '$InstallDir' to user PATH..."
    if ($currentUserPath -and $currentUserPath.Trim() -ne "") {
        $newUserPath = "$currentUserPath;$InstallDir"
    } else {
        $newUserPath = $InstallDir
    }

    [Environment]::SetEnvironmentVariable("PATH", $newUserPath, "User")

    # Also update PATH for the current session
    $env:PATH = "$newUserPath"

    Write-Host "PATH updated. You may need to open a new terminal for other processes to pick this up."
} else {
    Write-Host "'$InstallDir' is already on the user PATH."
}

Write-Host "GoGentoo installation complete. You should now be able to run 'gogentoo' from a new terminal."