PowerShell 'Get-Code' utility

param(
    [switch]$c,
    [switch]$t,
    [switch]$m,
    [switch]$all,
    [string[]]$ExcludeExtensions = @(),
    [string[]]$ExcludePaths = @()
)

$codeExtensions = @("*.cs", "*.js", "*.ts", "*.py", "*.html", "*.css", "*.cpp", "*.h", "*.java", "*.rb", "*.go", "*.rs", "*.sh", "*.ps1", "*.php", "*.xml")
$baseDir = Get-Location

# define excluded directory names
$excludedDirs = @("__pycache__", "node_modules", "bin", "obj", "dist", "build", ".git", ".svn")

$excludeExtensionsHashSet = [System.Collections.Generic.HashSet[string]]::new()
$ExcludeExtensions | ForEach-Object { $excludeExtensionsHashSet.Add($_) }

# get code files excluding specific directories and extensions
$codeFiles = Get-ChildItem -Path $baseDir -Recurse -Include $codeExtensions | Where-Object {
    ($excludeExtensionsHashSet.Contains($_.Extension) -eq $false) -and
    ($ExcludePaths -notcontains $_.DirectoryName) -and
    (-not ($_.FullName -match "($($excludedDirs -join '|'))"))
}

$allCode = ""
foreach ($file in $codeFiles) {
    $relativePath = $file.FullName.Substring($baseDir.Length + 1)

    # add metadata if -m or -all is set
    if ($m -or $all) {
        $fileMetadata = @(
            @{ "RelativePath" = $relativePath },
            @{ "Size" = "$([math]::Round($file.Length / 1KB, 2)) KB" },
            @{ "LastModified" = $file.LastWriteTime }
        )

        $metadataString = "### File Metadata ###`n"
        $fileMetadata | ForEach-Object { $metadataString += "$($_.Keys[0]): $($_.Values[0])`n" }
        $metadataString += "`n"
        $allCode += $metadataString
    }

    $fileContent = Get-Content $file.FullName -Raw
    $allCode += $fileContent + "`n" + ("-" * 80) + "`n"
}

# add file tree if -t or -all is set
if ($t -or $all) {
    $fileTree = ""
    $fileTreeEntries = Get-ChildItem -Path $baseDir -Recurse
    foreach ($entry in $fileTreeEntries) {
        if (-not ($entry.FullName -match "($($excludedDirs -join '|'))")) {
            $relativePath = $entry.FullName.Substring($baseDir.Length + 1)
            $fileTree += if ($entry.PSIsContainer) {
                "[Dir] $relativePath`n"
            } else {
                "[File] $relativePath`n"
            }
        }
    }
    $allCode += "`n### File Tree ###`n`n$fileTree"
}

# output all code and metadata
$allCode

# copy to clipboard if -c or -all is set
if ($c -or $all) {
    $allCode | Set-Clipboard
    Write-Host "Code and metadata have been copied to clipboard."
}