Configuration EnvironmentVariables {
    Import-DscResource -ModuleName PSDesiredStateConfiguration
    
    Node localhost {
        
        # === MINIFORGE PYTHON ENVIRONMENT (from 2_ConfigUpdate.ps1) ===
        
        # Add Miniforge3 base directory to PATH
        Script AddMiniforgePath {
            SetScript = {
                $forgePath = "C:\ProgramData\miniforge3"
                $currentPath = [System.Environment]::GetEnvironmentVariable("Path", "Machine")
                if (-not ($currentPath -split ";" | Where-Object { $_ -eq $forgePath })) {
                    $newPath = $currentPath + ";" + $forgePath
                    [System.Environment]::SetEnvironmentVariable("Path", $newPath, "Machine")
                    Write-Verbose "Added $forgePath to system PATH"
                }
            }
            TestScript = {
                $forgePath = "C:\ProgramData\miniforge3"
                $currentPath = [System.Environment]::GetEnvironmentVariable("Path", "Machine")
                return ($currentPath -split ";" | Where-Object { $_ -eq $forgePath }).Count -gt 0
            }
            GetScript = {
                $forgePath = "C:\ProgramData\miniforge3"
                $currentPath = [System.Environment]::GetEnvironmentVariable("Path", "Machine")
                $exists = ($currentPath -split ";" | Where-Object { $_ -eq $forgePath }).Count -gt 0
                return @{Result = "Miniforge path exists: $exists"}
            }
        }
        
        # Add Miniforge3 Scripts directory to PATH
        Script AddMiniforgeScriptsPath {
            SetScript = {
                $forgeScriptsPath = "C:\ProgramData\miniforge3\Scripts"
                $currentPath = [System.Environment]::GetEnvironmentVariable("Path", "Machine")
                if (-not ($currentPath -split ";" | Where-Object { $_ -eq $forgeScriptsPath })) {
                    $newPath = $currentPath + ";" + $forgeScriptsPath
                    [System.Environment]::SetEnvironmentVariable("Path", $newPath, "Machine")
                    Write-Verbose "Added $forgeScriptsPath to system PATH"
                }
            }
            TestScript = {
                $forgeScriptsPath = "C:\ProgramData\miniforge3\Scripts"
                $currentPath = [System.Environment]::GetEnvironmentVariable("Path", "Machine")
                return ($currentPath -split ";" | Where-Object { $_ -eq $forgeScriptsPath }).Count -gt 0
            }
            GetScript = {
                $forgeScriptsPath = "C:\ProgramData\miniforge3\Scripts"
                $currentPath = [System.Environment]::GetEnvironmentVariable("Path", "Machine")
                    $exists = ($currentPath -split ";" | Where-Object { $_ -eq $forgeScriptsPath }).Count -gt 0
                    return @{Result = "Miniforge Scripts path exists: $exists"}
                }
                DependsOn = "[Script]AddMiniforgePath"
        }
            
        # Set Conda/Mamba environment variables
        Environment SetCondaDefault {
                Name = "CONDA_DEFAULT_ENV"
                Value = "base"
                Ensure = "Present"
            }
        Environment SetCondaEnvPrompt {
                Name = "CONDA_PROMPT_MODIFIER"
                Value = "(base) "
                Ensure = "Present"
        }
            
        # Python/Conda specific
        Environment SetPythonPath {
            Name = "PYTHONPATH"
            Value = "C:\ProgramData\miniforge3\Lib\site-packages"
            Ensure = "Present"
        }
            
        Environment SetDeveloperMode {
            Name = "DEVELOPER_MODE"
            Value = "1"
            Ensure = "Present"
        }
    }
}

# Generate the MOF file
$outputPath = "$env:TEMP\DSC\EnvironmentVariables"
EnvironmentVariables -OutputPath $outputPath

# Apply the configuration
Start-DscConfiguration -Path $outputPath -Wait -Verbose -Force