using Caliburn.Micro;
using Caliburn.Micro.Core;
using FurnaceUI.Controls.Common;
using FurnaceUI.Views.Editors;
using MECF.Framework.Common.CommonData;
using MECF.Framework.Common.DataCenter;
using MECF.Framework.Common.OperationCenter;
using MECF.Framework.UI.Client.CenterViews.Editors.Recipe;
using MECF.Framework.UI.Client.ClientBase;
using OpenSEMI.ClientBase;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Windows;
using System.Windows.Input;

namespace FurnaceUI.Views.Recipes
{
    public class RecipeHistoryViewModel : ModuleUiViewModelBase
    {
        public List<RecipeHistory> RecipeHistories;

        private RecipeProvider _recipeProvider = new RecipeProvider();
        public ObservableCollection<ShowRecipeHistory> ObservableRecipeHistory { get; set; } = new ObservableCollection<ShowRecipeHistory>();

        public ShowRecipeHistory SelectedItemShowRecipeHistory { get; set; }
        public string FilePath { get; set; } = "";

        public RecipeDataBase CurrentRecipe { get; set; }

        public RecipeHistoryViewModel()
        {

        }

        protected override void OnViewLoaded(object view)
        {
            base.OnViewLoaded(view);
            GetRecipeHistoryByDB(FilePath, 20);
            ShowRecipeHistory();
        }

        private void GetRecipeHistoryByDB(string RecipePath, int row = 20)
        {
            RecipeHistories = QueryDataClient.Instance.Service.QueryByRecipePathHistory(RecipePath, row);
        }

        private void ShowRecipeHistory()
        {
            ObservableRecipeHistory.Clear();
            if (RecipeHistories != null && RecipeHistories.Count > 0)
            {
                RecipeHistories.OrderByDescending(x => x.LastRevisionTime).ToList().ForEach(x =>
                  {
                      ObservableRecipeHistory.Add(new ShowRecipeHistory(x));
                  });
            }
        }


        public void RecipeViewClick()
        {
            if (SelectedItemShowRecipeHistory != null)
            {
                CGlobal.RecipeProcessEditViewEnable = false;
                MECF.Framework.UI.Client.CenterViews.Editors.Recipe.CGlobal.RecipeProcessEditViewEnable = false;
                var wm = IoC.Get<IWindowManager>();
                //var viewProcessRecipe = new RecipeProcessEditViewModel(SelectedItemShowRecipeHistory);
                //viewProcessRecipe.RecipeType = "process";
                //(wm as WindowManager)?.ShowDialogWithTitle(viewProcessRecipe, null, "View Process Recpie");
                //CGlobal.RecipeProcessEditViewEnable = true;
                //MECF.Framework.UI.Client.CenterViews.Editors.Recipe.CGlobal.RecipeProcessEditViewEnable = true;
            }
        }


        RelayCommand _recipeCompareCommand;
        public ICommand RecipeCompareCommand
        {
            get
            {
                if (_recipeCompareCommand == null)
                {
                    _recipeCompareCommand = new RelayCommand(param => this.RecipeCompareClick(), param => this.CanRecipeCompareClick());
                }
                return _recipeCompareCommand;
            }
        }

        private bool CanRecipeCompareClick()
        {
            bool isEnable = false;
            if (ObservableRecipeHistory != null)
            {
                int count = ObservableRecipeHistory.Count(p => p.IsSelected == true);
                if (0 < count && count <= 2)
                {
                    isEnable = true;
                }
            }
            return isEnable;
        }

        private void RecipeCompareClick()
        {
            if (ObservableRecipeHistory != null)
            {
                var selectedItems = ObservableRecipeHistory.Where(p => p.IsSelected == true).ToList();

                var wm = IoC.Get<IWindowManager>();

                ShowRecipeHistory showRecipeHistoryA = null;
                ShowRecipeHistory showRecipeHistoryB = null;

                if (selectedItems.Count == 1)
                {
                    showRecipeHistoryA = selectedItems.FirstOrDefault();
                    showRecipeHistoryB = ObservableRecipeHistory.OrderBy(p => p.LastRevisionTime).LastOrDefault();
                }

                if (selectedItems.Count == 2)
                {
                    showRecipeHistoryA = selectedItems.LastOrDefault();
                    showRecipeHistoryB = selectedItems.FirstOrDefault();
                }

                if (showRecipeHistoryA != null && showRecipeHistoryB != null)
                {
                    var recipesHistoryCompareViewModel = new RecipesCompareTwoViewModel(showRecipeHistoryA, showRecipeHistoryB);
                    recipesHistoryCompareViewModel.DisplayName = "Compare Recipes History";
                    IDictionary<string, object> settings = new Dictionary<string, object>() { { "Height", 900 }, { "Width", 1200 }, { "WindowStartupLocation", WindowStartupLocation.CenterScreen }, { "SizeToContent", System.Windows.SizeToContent.Manual } };
                    (wm as WindowManager)?.ShowDialog(recipesHistoryCompareViewModel, null, settings);
                }
            }
        }



        RelayCommand _recipeRollbackClickCommand;
        public ICommand RecipeRollbackClickCommand
        {
            get
            {
                if (_recipeRollbackClickCommand == null)
                {
                    _recipeRollbackClickCommand = new RelayCommand(param => this.RecipeRollbackClick(), param => this.CanRecipeRollbackClick());
                }
                return _recipeRollbackClickCommand;
            }
        }

        private bool CanRecipeRollbackClick()
        {
            bool isEnable = false;
            if (ObservableRecipeHistory != null)
            {
                int count = ObservableRecipeHistory.Count(p => p.IsSelected == true);
                if (count == 1)
                {
                    isEnable = true;
                }
            }
            return isEnable;
        }


        private void RecipeRollbackClick()
        {
            if (SelectedItemShowRecipeHistory != null)
            {
                if (DialogBox.ShowDialog(DialogButton.Yes | DialogButton.No, DialogType.CONFIRM, $"Recipe {CurrentRecipe.Name} content is changed, do you want to save it?") == DialogButton.Yes)
                {
                    InvokeClient.Instance.Service.DoOperation("SetRecipeEditHistory", this.CurrentRecipe.GetRecipeHistory());
                    var result = this._recipeProvider.SaveRecipe(CurrentRecipe.PrefixPath, CurrentRecipe.Name, SelectedItemShowRecipeHistory.Recipe_Content);
                }
            }
        }
    }
}