# Script to organize texture files into subdirectories based on their prefix (e.g., Regina_, Martha_)
# Usage: .\organize_textures.ps1 (Run from the directory containing the texture files)

# Get all files (excluding hidden files like .cursorindexingignore)
$files = Get-ChildItem -File | Where-Object { $_.Name -notmatch '^\.' };

# Check if any files were found
if ($null -eq $files -or $files.Count -eq 0) {
    Write-Host "No files found to process (excluding hidden files).";
    exit;
}

# Group files by their prefix (the part before the first underscore)
$groupedFiles = $files | Group-Object { ($_.Name -split '_')[0] };

# Iterate through each group (prefix)
foreach ($group in $groupedFiles) {
    $prefix = $group.Name;

    # Skip if the prefix is empty or whitespace (shouldn't happen normally, but just in case)
    if ([string]::IsNullOrWhiteSpace($prefix)) {
        Write-Warning "Skipping files that result in an empty or whitespace prefix.";
        foreach ($file in $group.Group) {
            Write-Warning "  Problematic file: $($file.Name)"
        }
        continue;
    }

    # Create the subdirectory for this prefix if it doesn't exist
    if (-not (Test-Path -Path $prefix -PathType Container)) {
        New-Item -ItemType Directory -Path $prefix | Out-Null;
        Write-Host "Created directory: $prefix"
    } else {
        Write-Host "Directory '$prefix' already exists."
    }

    # Move each file in the group into the corresponding subdirectory
    # (Skip if the file is already in the correct directory)
    foreach ($file in $group.Group) {
        $destinationDirPath = (Resolve-Path $prefix).ProviderPath;
        $currentFileDirPath = $file.DirectoryName;

        if ($currentFileDirPath -ne $destinationDirPath) {
            $destinationPath = Join-Path -Path $prefix -ChildPath $file.Name;
            Move-Item -Path $file.FullName -Destination $destinationPath -Force;
            Write-Host "Moved '$($file.Name)' to '$prefix\'"
        } else {
             Write-Host "File '$($file.Name)' is already in '$prefix\'"
        }
    }
}

Write-Host "File organization complete."