param (
    [string]$env = "dev"
)

$source = ".env.$env"
$dest = ".env"

if (Test-Path $source) {
    Copy-Item -Path $source -Destination $dest -Force
    Write-Host "Success: Switched to $env environment ($source -> $dest)"
    
    # Simple check to see if environment content matches
    $content = Get-Content $dest -TotalCount 10
    Write-Host "Current Config Preview:"
    $content | Select-String "ENVIRONMENT"
    $content | Select-String "DB_HOST"
} else {
    Write-Error "Error: Source file $source does not exist."
    Write-Host "Usage: ./switch_env.ps1 [dev|prod]"
}