install.ps1

param(
    [switch]$DryRun
)

if ($DryRun) {
    Write-Host "=== DRY RUN MODE: No system configurations will be modified ===" -ForegroundColor Cyan
}

Write-Host "Starting Custom Scripts Installation for Windows..." -ForegroundColor Green

$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Definition
$AliasesBat = Join-Path $ScriptDir "windows\aliases.bat"
$ProfilePs1 = Join-Path $ScriptDir "windows\profile.ps1"

Write-Host "1. Setting up Command Prompt aliases..." -ForegroundColor Yellow
if (-not $DryRun) {
    try {
        Set-ItemProperty -Path "HKCU:\Software\Microsoft\Command Processor" -Name "AutoRun" -Value "`"$AliasesBat`"" -ErrorAction Stop
        Write-Host "Successfully set Command Prompt AutoRun registry key." -ForegroundColor Green
    } catch {
        Write-Host "Failed to set registry key. You may need to run this script as Administrator." -ForegroundColor Red
    }
} else {
    Write-Host "[Dry Run] Would set registry key HKCU:\Software\Microsoft\Command Processor\AutoRun to `"$AliasesBat`"" -ForegroundColor Cyan
}

Write-Host "2. Setting up PowerShell profile..." -ForegroundColor Yellow
if (!(Test-Path -Path $PROFILE)) {
    if (-not $DryRun) {
        New-Item -Type File -Path $PROFILE -Force | Out-Null
        Write-Host "Created new PowerShell profile."
    } else {
        Write-Host "[Dry Run] Would create new PowerShell profile at $PROFILE" -ForegroundColor Cyan
    }
}

$ProfileContent = ""
if (Test-Path -Path $PROFILE) {
    $ProfileContent = Get-Content -Path $PROFILE -Raw -ErrorAction Ignore
}

$SourcingCommand = ". `"$ProfilePs1`""

if ([string]::IsNullOrWhiteSpace($ProfileContent) -or $ProfileContent -notmatch [regex]::Escape($SourcingCommand)) {
    if (-not $DryRun) {
        Add-Content -Path $PROFILE -Value "`n# Load custom aliases`n$SourcingCommand"
        Write-Host "Successfully injected profile source command into $PROFILE." -ForegroundColor Green
    } else {
        Write-Host "[Dry Run] Would inject profile source command into $PROFILE" -ForegroundColor Cyan
    }
} else {
    Write-Host "Profile source command already exists. Skipping." -ForegroundColor Green
}

if (-not $DryRun) {
    Write-Host "Installation complete! Please restart your terminal." -ForegroundColor Green
} else {
    Write-Host "Dry-run complete!" -ForegroundColor Green
}