using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;

namespace Sai.Common.Shared.WBSCoder
{
    public partial class ComponentCodeAddedCheckerViewModel : ObservableObject
    {
        public ComponentCodeAddedCheckerViewModel(CheckCodeViewModel viewModel)
        {
            uidoc = viewModel.Uidoc;
            pjFileName = viewModel.ProjectPath;
            allElements = viewModel.AllElements;
            LastTaskItems = viewModel.LastTaskItems;
        }

        private readonly IList<Element> allElements;
        private readonly string pjFileName;
        private readonly UIDocument uidoc;

        public ObservableCollection<TaskItem> LastTaskItems;
        private RelayCommand<object> showElement;


        public ObservableCollection<Element> ElementsWithErrorCode { get; set; } = new();

        private bool CanCheckComponent()
        {
            //检查构件是否存在没有编码的情况
            return pjFileName != null;
        }

        /// <summary>
        ///     检查构件是否都编码
        /// </summary>
        /// <param name="obj"></param>
        [RelayCommand(CanExecute = nameof(CanCheckComponent))]
        private void CheckComponents(object obj)
        {
            ElementsWithErrorCode.Clear();
            foreach (var ele in allElements)
            {
                bool hasCoded = false;
                var temp = ele.get_Parameter(BuiltInParameter.ALL_MODEL_MARK)?.AsString();
                if (temp == null)
                {
                    continue;
                }

                string code = WbsCoderUtils.FormatWbsCode(temp);
                foreach (var task in LastTaskItems)
                {
                    if (task.WBSCode == code)
                    {
                        hasCoded = true;
                        break;
                    }
                }

                if (!hasCoded)
                {
                    ElementsWithErrorCode.Add(ele);
                }
                //var select = from task in LastTaskItems
                //             where task.WBSCode == code
                //             select task;
                //if (!param.HasValue || select.Count() == 0)
                //{
                //    ElementsWithErrorCode.Add(ele);
                //}
            }
        }

        /// <summary>
        ///     定位元素
        /// </summary>
        /// <param name="obj"></param>
        [RelayCommand]
        private void LocationElement(object obj)
        {
            try
            {
                Element element = (Element)obj;
                List<ElementId> ids = new List<ElementId>();
                ids.Add(element.Id);
                uidoc.Selection.SetElementIds(ids);
                uidoc.ShowElements(element);
            }
            catch (Exception ex)
            {
                TaskDialog.Show("定位失败", $"{ex.Message}");
            }
        }
    }
}