using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Input;
using System.Windows.Controls;
using Microsoft.Win32;
using DriveDotNetGuiClient.SettingsObjects;
using ElmoMotionControlComponents.Drive.EASComponents;
using ElmoMotionControlComponents.Drive.EASComponents.UploadsAndDownloads;

namespace DriveDotNetGuiClient.Commands
{
    public class SaveFileBrowserCommand : ICommand
    {
        public bool CanExecute(object parameter)
        {
            return true;
        }

        public event EventHandler CanExecuteChanged;

        public void Execute(object parameter)
        {
            SaveFileDialog fdlg = new SaveFileDialog();
            fdlg.RestoreDirectory = true;
            fdlg.FileName = GetFileName(parameter);
            bool? res = fdlg.ShowDialog();
            if (res.HasValue && res.Value)
            {
                if (parameter is SettingsObjectViewModel)
                {
                    (parameter as SettingsObjectViewModel).Path = fdlg.FileName;
                }
            }
        }

        private string GetFileName(object vm)
        {
            if (vm == null)
                return "File.xml";

            SettingsObjectViewModel settingsVM = vm as SettingsObjectViewModel;
            if (settingsVM == null)
                return "File.xml";

            switch (settingsVM.Operation)
            {
                case OPERATION_TYPE.UPLOAD_PERSONALITY:
                    return "Personality.xml";
                case OPERATION_TYPE.UPLOAD_BIN_PARAMS:
                    return "BinParams.xml";
                case OPERATION_TYPE.UPLOAD_TXT_PARAMS:
                    return "TxtParams.xml";
                case OPERATION_TYPE.UPLOAD_PROGRAM:
                    return "Program.xml";
                default: return "File.xml";
            }
        }
    }
}