using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text.RegularExpressions;
using System.Windows;
using Autodesk.Revit.UI;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Sai.Database.Shared;

namespace Sai.Common.Shared.WBSCoder
{
    public partial class WbsCodeGeneratorViewModel : ObservableObject
    {
        public WbsCodeGeneratorViewModel(CheckCodeViewModel viewModel)
        {
            sqliteUtil = viewModel.SqliteUtil;
            EngineerCategories = viewModel.EngineerCategories;
        }

        private readonly SqliteUtil sqliteUtil;

        private ObservableCollection<WBSData> engineerCategories;

        [ObservableProperty] private string projectCode;

        [ObservableProperty] private string regionCode;

        [ObservableProperty] private WBSData selectedCategory;

        [ObservableProperty] private WBSData selectedComponentCode;

        [ObservableProperty] private WBSData selectedSection;

        [ObservableProperty] private WBSData selectedSubSection;

        [ObservableProperty] private WBSData selectedSubUnit;

        [ObservableProperty] private WBSData selectedUnit;

        [ObservableProperty] private string sequenceCode;

        [ObservableProperty] private string wbsCode;


        public ObservableCollection<WBSData> UnitEngineers { get; set; } = new();

        public ObservableCollection<WBSData> SubUnitEngineers { get; set; } = new();

        public ObservableCollection<WBSData> SectionEngineers { get; set; } = new();

        public ObservableCollection<WBSData> SubSectionEngineers { get; set; } = new();

        public ObservableCollection<WBSData> ComponentCodes { get; set; } = new();

        public ObservableCollection<WBSData> EngineerCategories { get; set; }

        [RelayCommand(CanExecute = nameof(ExistCode))]
        private void CopyToClipBoard(object obj)
        {
            try
            {
                Clipboard.SetText(obj.ToString());
            }
            catch (Exception e)
            {
                TaskDialog.Show("错误", "剪切板无法使用");
            }
        }

        private bool ExistCode()
        {
            return !string.IsNullOrEmpty(WbsCode);
        }

        [RelayCommand]
        private void GetComponentCodes()
        {
            ComponentCodes?.Clear();

            if (SelectedSubSection != null)
            {
                var str = SelectedSubSection.HierarchicalCode;
                var value = str.Remove(str.Length - 1, 1) + "x";
                var wbsdatas = from array in sqliteUtil.QueryTable("COM")
                    where array[2].StartsWith(str) ^ array[2].StartsWith(value)
                    select new WBSData { Name = array[4], WbsCode = array[3], HierarchicalCode = array[2] };

                foreach (var data in wbsdatas)
                {
                    ComponentCodes.Add(data);
                }
            }

            OverrideWbsCode();

            //if (selectedSubSection != null)
            //{
            //    var wbsdatas = from array in sQLiteUtil.QueryTable("COM")
            //                   where array[2].StartsWith(selectedSubSection.HierarchicalCode)
            //                   select new WBSData() { Name = array[4], WbsCode = array[3], HierarchicalCode = array[2] };
            //    if (wbsdatas.Count() == 0)
            //    {
            //        var str = selectedSubSection.HierarchicalCode;
            //        var mappingstr = str.Remove(str.Length - 1, 1) + "x";
            //        wbsdatas = from array in sQLiteUtil.QueryTable("COM")
            //                   where array[2].StartsWith(mappingstr)
            //                   select new WBSData() { Name = array[4], WbsCode = array[3], HierarchicalCode = array[2] };
            //    }
            //    foreach (var data in wbsdatas)
            //    {
            //        ComponentCodes.Add(data);
            //    }
            //}
        }

        /// <summary>
        ///     获取数据
        /// </summary>
        /// <param name="tableName"></param>
        /// <param name="selectedData"></param>
        /// <param name="datas"></param>
        private void GetData(string tableName, WBSData selectedData, ObservableCollection<WBSData> datas)
        {
            datas?.Clear();

            if (selectedData != null)
            {
                IEnumerable<WBSData> wbsdatas = from array in sqliteUtil.QueryTable(tableName)
                    where array[2].StartsWith(selectedData.HierarchicalCode)
                    select new WBSData { Name = array[4], WbsCode = array[3], HierarchicalCode = array[2] };

                foreach (var data in wbsdatas)
                {
                    datas.Add(data);
                }
            }

            OverrideWbsCode();
        }

        [RelayCommand]
        private void GetSectionEngineers()
        {
            GetData("SECTION", SelectedSubUnit, SectionEngineers);
        }

        [RelayCommand]
        private void GetSubSectionEngineers()
        {
            GetData("SUB_SECTION", SelectedSection, SubSectionEngineers);
        }

        [RelayCommand]
        private void GetSubUnitEngineers()
        {
            GetData("SUB_UNIT", SelectedUnit, SubUnitEngineers);
        }

        [RelayCommand]
        private void GetUnits()
        {
            GetData("UNIT", SelectedCategory, UnitEngineers);
        }

        [RelayCommand]
        private void OverrideWbsCode()
        {
            string str = string.Empty;
            if (!string.IsNullOrEmpty(projectCode) && Regex.IsMatch(projectCode, @"[A-Z]{2,}\d*"))
            {
                str = $"{projectCode}";
            }

            if (SelectedCategory != null)
            {
                str += $"-{SelectedCategory.WbsCode}";
            }

            if (SelectedUnit != null)
            {
                str += $"{SelectedUnit.WbsCode}";
            }

            if (SelectedSubUnit != null)
            {
                str += $"{SelectedSubUnit.WbsCode}";
            }

            if (SelectedSection != null)
            {
                str += $"{selectedSection.WbsCode}";
            }

            if (SelectedSubSection != null)
            {
                str += $"{SelectedSubSection.WbsCode}";
            }

            if (!string.IsNullOrEmpty(regionCode) || SelectedComponentCode != null || !string.IsNullOrEmpty(sequenceCode))
            {
                str += "-";
            }

            if (!string.IsNullOrEmpty(regionCode))
            {
                str += $"({regionCode})";
            }

            if (selectedComponentCode != null)
            {
                str += $"{selectedComponentCode.WbsCode}";
            }

            if (!string.IsNullOrEmpty(sequenceCode))
            {
                var canParse = int.TryParse(SequenceCode, out int i);
                if (canParse && i.ToString().Length < 5)
                {
                    str += $"{i:0000}";
                    //if (i < 10 && i > 0)
                    //{
                    //    str += $"000{i}";
                    //}
                    //else if (i >= 10 && i < 100)
                    //{
                    //    str += $"00{i}";
                    //}
                    //else if (i >= 100 && i < 1000)
                    //{
                    //    str += $"0{i}";
                    //}
                    //else
                    //{
                    //    str += "0001";
                    //}
                }
                else
                {
                    str += "0001";
                }
            }

            WbsCode = str;
            //WBSCODE = $"{projectCode}-{selectedCategory?.WbsCode}-{selectedUnit?.WbsCode}-{selectedSubUnit?.WbsCode}-{selectedSection?.WbsCode}-{selectedSubSection?.WbsCode}-({regionCode}){selectedComponentCode?.WbsCode}";
        }
    }
}