Invoke-MkVenv.ps1

function Invoke-MkVenv {
    <#
    .SYNOPSIS
    Creates a minimal virtual environment scaffold.
 
    .DESCRIPTION
    Scaffolds a Python or Node environment layout with placeholder files only.
    This command does not create real virtual environments yet.
 
    .PARAMETER Type
    Environment type to scaffold. Supported values: Python, Node.
 
    .PARAMETER Force
    Overwrites generated files if they already exist.
 
    .EXAMPLE
    mkvenv -Type Python
    #>

    [CmdletBinding()]
    [Alias('mkvenv')]
    param(
        [Parameter(Mandatory = $true)]
        [ValidateSet('Python', 'Node')]
        [string]$Type,

        [switch]$Force
    )

    $cwd = Get-Location

    switch ($Type) {
        'Python' {
            $envDir = Join-Path -Path $cwd -ChildPath 'env'
            New-DtDirectory -Path $envDir -Force:$Force | Out-Null

            $requirementsPath = Join-Path -Path $cwd -ChildPath 'requirements.txt'
            $requirementsContent = "# TODO: Add Python package requirements"
            Set-DtFileContent -Path $requirementsPath -Content $requirementsContent -Force:$Force | Out-Null
        }
        'Node' {
            $nodeEnvDir = Join-Path -Path $cwd -ChildPath 'node_env'
            New-DtDirectory -Path $nodeEnvDir -Force:$Force | Out-Null

            $packageJsonPath = Join-Path -Path $cwd -ChildPath 'package.json'
            $packageJsonObject = [ordered]@{
                name = 'todo-project'
                version = '0.1.0'
                private = $true
                scripts = [ordered]@{
                    start = 'echo "TODO: define start script"'
                    test = 'echo "TODO: define test script"'
                }
            }

            $packageJsonContent = $packageJsonObject | ConvertTo-Json -Depth 6
            Set-DtFileContent -Path $packageJsonPath -Content $packageJsonContent -Force:$Force | Out-Null
        }
    }

    Write-Verbose "Virtual environment scaffold generated for $Type"
}