using System;
using System.Collections.ObjectModel;
using System.Text;
using Autodesk.Revit.UI;
using net.sf.mpxj;
using net.sf.mpxj.MpxjUtilities;
using net.sf.mpxj.reader;
using Sai.RvKits;
using SZBIM.StandardTools;

namespace Sai.Common.Shared.WBSCoder
{
    internal class ProjectUtil
    {
        /// <summary>
        ///     获取最底层的任务集
        /// </summary>
        /// <param name="filename"></param>
        /// <param name="lastTaskItems"></param>
        /// <returns></returns>
        public static ObservableCollection<TaskItem> GetTasks(string filename,
            ObservableCollection<TaskItem> lastTaskItems)
        {
            lastTaskItems.Clear();
            AssemblyLoader loader = new AssemblyLoader(RelativePaths.DirAssembly);
            loader.HookAssemblyResolve();
            try
            {
                //MPPReader mPPReader = new MPPReader();
                StringBuilder sb = new StringBuilder();
                var reader = ProjectReaderUtility.getProjectReader(filename);
                ProjectFile mpp = reader.read(filename);
                var tasks = mpp.Tasks.ToIEnumerable();
                foreach (Task task in tasks)
                {
                    if (task.ChildTasks.size() == 0)
                    {
                        var temp = task.GetText(1);
                        if (string.IsNullOrEmpty(temp) || string.IsNullOrWhiteSpace(temp))
                        {
                            sb.AppendLine($"任务：({task.ParentTask.ParentTask.Name}->{task.ParentTask.Name}->{task.Name})未识别到编码");
                            continue;
                        }

                        string code = WbsCoderUtils.FormatWbsCode(temp);


                        TaskItem taskItem = new TaskItem(task)
                        {
                            Name = task.Name,
                            Parent = task.ParentTask.Name,
                            WBSCode = code
                        };
                        lastTaskItems.Add(taskItem);
                    }
                }

                if (!string.IsNullOrEmpty($"{sb}"))
                {
                    //TaskDialog.ShowTop("错误", $"{sb}");
                }
            }
            catch (Exception ex)
            {
                TaskDialog.Show("读取文件任务失败", $"{ex.Message}");
            }
            finally
            {
                loader.UnhookAssemblyResolve();
            }

            return lastTaskItems;
        }
    }
}