// The CMLeonOS Project (https://github.com/Leonmmcoset/CMLeonOS)
// Copyright (C) 2025-present LeonOS 2 Developer Team
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

using System;

namespace CMLeonOS.Commands.FileSystem
{
    public static class CopyCommand
    {
        public static void CopyFile(CMLeonOS.FileSystem fileSystem, string args, Action<string> showError, Action<string> showSuccess)
        {
            if (string.IsNullOrEmpty(args))
            {
                showError("Please specify source and destination files");
                showError("cp <source> <destination>");
                return;
            }
            
            try
            {
                string[] parts = args.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
                if (parts.Length < 2)
                {
                    showError("Please specify both source and destination");
                    showError("cp <source> <destination>");
                    return;
                }
                
                string sourceFile = parts[0];
                string destFile = parts[1];
                
                string content = fileSystem.ReadFile(sourceFile);
                if (content == null)
                {
                    showError($"Source file '{sourceFile}' does not exist");
                    return;
                }
                
                fileSystem.WriteFile(destFile, content);
                showSuccess($"File copied successfully from '{sourceFile}' to '{destFile}'");
            }
            catch (Exception ex)
            {
                showError($"Error copying file: {ex.Message}");
            }
        }
    }
}