using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media.Imaging;
using Tango.Core.Commands;
using Tango.Scripting.IDE.ProjectTypes;
using Tango.SharedUI;

namespace Tango.Scripting.IDE.Dialogs
{
    public class BaseProjectDialogVM : IDEDialogViewModel
    {
        #region properties

        public ObservableCollection<IProjectType> ProjectTypes { get; set; }

        private IProjectType _selectedProjectType = null;
        public IProjectType SelectedProjectType
        {
            get { return _selectedProjectType; }
            set
            {
                _selectedProjectType = value;
                RaisePropertyChangedAuto();
                RaisePropertyChanged("LargeImage");
                RaisePropertyChanged("SelectedDescription");
            }
        }
        private BitmapSource _defaultLargeImage = ProjectType.GetImage("Images/test.png");
        public BitmapSource LargeImage
        {
            get
            {
                if (SelectedProjectType != null)
                    return SelectedProjectType.LargeImage;
                else return _defaultLargeImage;
            }
        }
        public string SelectedDescription
        {
            get
            {
                if (SelectedProjectType != null)
                    return SelectedProjectType.Description;
                return "";
            }
        }
        private String _projectName = "App1";
        public String ProjectName
        {
            get { return _projectName; }
            set { _projectName = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
        }
        private String _projectLocation;
        public String ProjectLocation
        {
            get { return _projectLocation; }
            set { _projectLocation = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
        }
        public String GetFullProjectPath()
        {
            StringBuilder builder = new StringBuilder(ProjectLocation);
            builder.AppendFormat(@"{0}\{1}", ProjectLocation, ProjectName);
            return builder.ToString();
        }
        #endregion

        #region constructor

        public BaseProjectDialogVM(List<IProjectType> project_types) : base()
        {
            ProjectTypes = new ObservableCollection<IProjectType>();
            project_types.ForEach(ProjectTypes.Add);
            _selectedProjectType = ProjectTypes.FirstOrDefault();
        }

        #endregion
        
        #region Override Methods

        protected override bool CanOK()
        {
            return !String.IsNullOrWhiteSpace(ProjectLocation) && !String.IsNullOrWhiteSpace(ProjectName);
        }

        #endregion

    }
}