using BeWo.ServiceProxy;
using BeWo.Services;
using BeWo.ViewModel.ListViewModel;
using BS.Shared;
using BS.Shared.Extensions.CustomInterfaces;
using DevExpress.Mvvm;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Windows.Input;

namespace BeWo.ViewModel.View.AI
{
	public class AiPromptbausteinSelectionComplexViewModel : DialogViewModel
	{
		public event EventHandler<AiPromptbausteinPromptVM> PromptAccepted;

		private AiPromptbausteinFolderVM _SelectedFolder;
		private AiPromptbausteinPromptVM _SelectedPrompt;

		public AiPromptbausteinSelectionComplexViewModel()
		{
			SendCommand = new DelegateCommand(Send, CanSend, true);

			if (BeWoApp.IsInDesignMode)
			{
				Folders = new AiPromptbausteinFolderListVM();
			}
		}
		public AiPromptbausteinSelectionComplexViewModel(AiActionType aiActionType) : this()
		{
			AiActionType = aiActionType;
		}
		public AiPromptbausteinSelectionComplexViewModel(AiActionType aiActionType, AiPromptbausteinFolderListVM viewModel, bool isFavorite = false) : this(aiActionType)
		{
			LoadedActionType = aiActionType;
			Folders = viewModel;
			IsFavorite = isFavorite;
		}

		public bool IsFavorite { get; set; }

		public ICommand SendCommand { get; set; }

		public AiActionType AiActionType { get; set; }

		public AiPromptbausteinFolderVM SelectedFolder
		{
			get => _SelectedFolder;
			set
			{
				_SelectedFolder = value;
				FirePropertyChanged(nameof(SelectedFolder));
			}
		}
		public AiPromptbausteinPromptVM SelectedPrompt
		{
			get => _SelectedPrompt;
			set
			{
				_SelectedPrompt = value;
				FirePropertyChanged(nameof(SelectedPrompt));
			}
		}
		public AiPromptbausteinFolderListVM Folders { get; private set; }
		public AiActionType LoadedActionType { get; set; }

		public void ResetSelection()
		{
			if (!IsFavorite)
				SelectedFolder = null;

			SelectedPrompt = null;
		}
		public void Send()
		{
			CloseDialogCommand.Execute(null);

			PromptAccepted?.Invoke(this, SelectedPrompt);
		}
		public bool CanSend()
		{
			return SelectedPrompt is object;
		}
		public void InitVMList()
		{
			if (Folders is object && LoadedActionType == AiActionType)
				return;

			LoadedActionType = AiActionType;

			VMFactory.CreateAiPromptbausteinFolderListVMAsync(AiActionType, UpdateVMList);
		}
		public void ReloadVMList()
		{
			VMFactory.CreateAiPromptbausteinFolderListVMAsync(AiActionType, UpdateVMList);
		}
		private void UpdateVMList(AiPromptbausteinFolderListVM new_list)
		{
			Folders = new_list;
			FirePropertyChanged(nameof(Folders));
		}
	}
}