using EPLAN.Harness.API.Occurrences;
using EPLAN.Harness.Common.Extensions;
using EPLAN.Harness.Core;
using EPLAN.Harness.Core.Controls;
using EPLAN.Harness.Core.Props;
using EPLAN.Harness.ProjectCore;
using EPLAN.Harness.ProjectCore.Occurrences.Designer;
using Sinvo.EplanHpD.Plugin.Service;
using Sinvo.EplanHpD.Plugin.WPFUI.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Security;
using System.Text;
using System.Threading.Tasks;

namespace Sinvo.EplanHpD.Plugin.WPFUI.ViewModel
{
    public class LayoutHelperViewModel : INotifyPropertyChanged
    {

        public FlexDesigner _currentFlexDesigner;
        private string _selectMotorModel;
        private MotorLectotypeService service = new();
        private List<string> _motorIds;
        private MotorModel _motor;
        private CableLectotypeViewModel cableLectotypeViewModel;
        public MotorModel Motor
        {
            get => _motor;
            set
            {
                _motor = value;
                OnPropertyChanged();
            }
        }
        public LayoutHelperViewModel()
        {

        }
        public LayoutHelperViewModel(FlexDesigner currentFlexDesigner, List<string> motorIds)
        {
            _currentFlexDesigner = currentFlexDesigner;
            _motorIds = motorIds;
        }
        public string SelectMotorModel
        {
            get { return _selectMotorModel; }
            set
            {
                _selectMotorModel = value;
                OnPropertyChanged();
            }
        }

        private string _selectLineId;
        public string SelectLineName
        {
            get
            {
                if (_selectLineId == null) return "";
                var part = _currentFlexDesigner.GetOccurrenceByID(_selectLineId);
                if (part != null)
                {
                    return part.Parents?.First()?.LibraryName;
                }
                else
                {
                    return "";
                }
            }
            set
            {

            }
        }

        /// <summary>
        /// 是否有下一个
        /// </summary>
        public bool HasNext
        {
            get
            {
                if (_motorIds == null) return false;
                if (SelectedLines == null) return false;
                if (CurrentMotorSelectLineIndex < SelectedLines.Count - 1)
                {
                    return true;
                }
                else if (CurrentMotorIndex < _motorIds.Count - 1)
                {
                    return true;
                }
                else
                {
                    return false;
                }

            }
            set
            {
                OnPropertyChanged(nameof(HasNext));
            }
        }
        /// <summary>
        /// 是否有上一个
        /// </summary>
        public bool HasPrev
        {
            get
            {
                if (CurrentMotorSelectLineIndex > 0)
                {
                    return true;
                }
                else if (CurrentMotorIndex > 0)
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
            set
            {
                OnPropertyChanged(nameof(HasPrev));
            }
        }
        private int CurrentMotorIndex = 0;
        private int CurrentMotorSelectLineIndex = 0;
        private LectotypeLineModel _selectedLine;
        public LectotypeLineModel SelectedLine
        {
            get => _selectedLine;
            set
            {
                _selectedLine = value;
                OnPropertyChanged(nameof(SelectedLine));
                OnPropertyChanged(nameof(HasPrev));
                OnPropertyChanged(nameof(HasNext));
            }
        }
        private List<LectotypeLineModel> _subLines;
        public List<LectotypeLineModel> SubLines
        {
            get => _subLines;
            set
            {
                _subLines = value;
                OnPropertyChanged(nameof(SubLines));
            }
        }
        public List<LectotypeLineModel> SelectedLines;

        public void OnSelectChange(object sender)
        {
            if (sender is OccSelectSet selectSet)
            {
                var item = selectSet.SelectedItem;
                if (item is OccSubPart part)
                {
                    Debug.WriteLine($"Select part -> {part.Name} / {part.ID}");
                    if (part.Parents != null)
                    {
                        SelectMotorModel = part.Parents?.First()?.Name ?? "";
                        Debug.WriteLine($"Select part parent -> {part.Parents?.First()?.Name} / {part.Parents?.First()?.ID}");
                    }
                }
                else if (item != null)
                {
                    _selectLineId = item.ID;
                    OnPropertyChanged(nameof(SelectLineName));
                }
            }
        }

        private bool IsCable(BaseOccurrence occ)
        {
            return occ is OccCableForked;
        }


        public event PropertyChangedEventHandler PropertyChanged;
        public void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

        internal void GetMotorCables()
        {
            if (_motorIds != null && _motorIds.Any())
            {

                Task.Factory.StartNew(() =>
                {
                    var service = new MotorLectotypeService();
                    var data = service.GetMotorLectotypeData(_motorIds[CurrentMotorIndex]);
                    if (!string.IsNullOrEmpty(data))
                    {
                        cableLectotypeViewModel = Newtonsoft.Json.JsonConvert.DeserializeObject<CableLectotypeViewModel>(data);
                        if (cableLectotypeViewModel?.SelectedLines?.Any() ?? false)
                        {
                            SelectedLines = cableLectotypeViewModel.SelectedLines;
                            SelectedLine = SelectedLines[CurrentMotorSelectLineIndex];
                            ReSetSubLines();
                            Motor = cableLectotypeViewModel.Motor;

                            return;
                        }
                    }

                    {
                        CurrentMotorIndex++;
                        if (CurrentMotorIndex < _motorIds.Count)
                        {

                            CurrentMotorSelectLineIndex = 0;
                            GetMotorCables();
                        }
                    }

                }).Wait();
            }
        }

        internal void ToPrevLine()
        {
            if (HasPrev)
            {
                if (CurrentMotorSelectLineIndex == 0)
                {
                    ToPrevMotor();
                }
                else
                {

                    CurrentMotorSelectLineIndex--;
                    SelectedLine = SelectedLines[CurrentMotorSelectLineIndex];
                    ReSetSubLines();
                }
            }
        }

        internal void ToNextLine()
        {
            if (HasNext)
            {
                if (CheckAndSetSelLine())
                {

                    if (CurrentMotorSelectLineIndex >= SelectedLines.Count - 1)
                    {
                        ToNextMotor();
                    }
                    else
                    {
                        CurrentMotorSelectLineIndex++;
                        SelectedLine = SelectedLines[CurrentMotorSelectLineIndex];
                        ReSetSubLines();
                    }
                }

            }
        }

        private bool CheckAndSetSelLine()
        {
            var part = _currentFlexDesigner.GetOccurrenceByID(_selectLineId);
            if (part != null)
            {
                if (part.Properties.Any(it => it.ValueHolder.StrVal == "轴号")) return true;
                var prop = new EPLAN.Harness.Core.Props.Property(new PropDef { Name = "轴号" });
                prop.Set(SelectedLine.AxisNo);
                part.Properties.Add(prop);
                return true;
            }
            else
            {
                FlexMessageBox.Warning("当前选中的线不是推荐中的线");
                return false;
            }
        }

        internal void ToPrevMotor()
        {
            if (CurrentMotorIndex > 0)
            {
                CurrentMotorIndex--;
                CurrentMotorSelectLineIndex = 0;
                GetMotorCables();
            }
        }
        internal void ToNextMotor()
        {
            if (CurrentMotorIndex < _motorIds.Count)
            {
                CurrentMotorIndex++;
                CurrentMotorSelectLineIndex = 0;
                GetMotorCables();
            }
        }
        internal void ReSetSubLines()
        {
            SubLines = SelectedLine.SubLines.Distinct(it => it.CableModel).ToList();
        }
    }
}