using System.IO;
using Intromat.Interfaces;
using ReactiveUI;

namespace Intromat.ViewModels
{
    public abstract class FileViewModel : ReactiveObject, ITreeItem, IFile
    {
        private bool _isExpanded;
        private bool _isSelected;
        private readonly FolderViewModel _parent;
        private readonly ModuleViewModel _module;
        private string _name;
        private bool _isDirty;
        private readonly string _extension;

        public FileViewModel(ModuleViewModel module, FolderViewModel parent, string name, string extension)
        {
            _extension = extension;
            _module = module;
            _parent = parent;
            _name = name;
        }

        public abstract ReactiveObject CurrentViewModel { get; }

        public string FullPath => Path.Combine(_parent.FullPath, $"{_name}.{_extension}");

        public bool IsExpanded
        {
            get => _isExpanded;
            set => this.RaiseAndSetIfChanged(ref _isExpanded, value);
        }

        public bool IsSelected
        {
            get => _isSelected;
            set => this.RaiseAndSetIfChanged(ref _isSelected, value);
        }

        public virtual string Name
        {
            get => _name;
            set => this.RaiseAndSetIfChanged(ref _name, value);
        }

        public FolderViewModel Parent => _parent;

        public ModuleViewModel Module => _module;

        public bool IsDirty
        {
            get => _isDirty;
            set => this.RaiseAndSetIfChanged(ref _isDirty, value);
        }
    }
}