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

namespace Sai.Common.Shared.WBSCoder
{
    public partial class ProjectFileCheckerViewModel : ObservableObject
    {
        public ProjectFileCheckerViewModel(CheckCodeViewModel viewModel)
        {
            this.viewModel = viewModel;
            sqliteUtil = viewModel.SqliteUtil;
            lastTaskItems = viewModel.LastTaskItems;
        }

        private readonly ObservableCollection<TaskItem> lastTaskItems;
        private readonly SqliteUtil sqliteUtil;
        private readonly CheckCodeViewModel viewModel;

        public ObservableCollection<TaskItem> ErrorTaskItems { get; set; } = new();

        public string PjFileName { get; set; }

        public static string InsertFormat(string input, int interval, string value)
        {
            for (int i = interval - 1; i < input.Length; i += interval + 1)
                input = input.Insert(i, value);
            return input;
        }

        /// <summary>
        ///     校验mpp文件编码是否符合标准
        /// </summary>
        [RelayCommand]
        private void CheckProjectFile(object obj)
        {
            ErrorTaskItems.Clear();
            PjFileName = viewModel.ProjectPath;
            int? index = viewModel.Index;
            if (PjFileName == null || index == null)
            {
                TaskDialog.Show("提示", "未选择Project文件或标准");
                return;
            }

            foreach (var item in lastTaskItems)
            {
                item.ErrorMessages = string.Empty;
                item.IsError = false;
                if (item.WBSCode.Contains(" "))
                {
                    item.IsError = true;
                    item.ErrorMessages += "编码中存在空格；";
                    goto result;
                }

                if (!item.WBSCode.Contains("-"))
                {
                    item.IsError = true;
                    item.ErrorMessages += "编码未分段或分段符号错误；";
                    goto result;
                }

                string[] chars = item.WBSCode.Split('-');
                if (chars.Count() != 3)
                {
                    item.IsError = true;
                    item.ErrorMessages = "编码分段数错误；";
                    goto result;
                }

                if (item.WBSCode.Contains("（") || item.WBSCode.Contains("）") ||
                    !(item.WBSCode.Contains("(") && item.WBSCode.Contains(")")))
                {
                    item.IsError = true;
                    item.ErrorMessages = "区域码未使用括号或缺少区域码；";
                    goto result;
                }

                var projectCode = chars[0];
                var classfiyCode = chars[1];
                var lastCode = chars[2];
                //项目代码模式
                //var wbscodepattern = @"^[A-Z]{2,}\d*-[1-9]{5}-\((((B|0)\d{2}){2}\d)|(\d{3})\)|[A-Z]*\d{4}$";

                var projectCodeIsMatch = Regex.IsMatch(projectCode, @"^[A-Z]+\d*");
                if (!projectCodeIsMatch)
                {
                    item.IsError = true;
                    item.ErrorMessages += "项目代码格式错误；";
                    goto result;
                }

                var classCodeIsMatch = Regex.IsMatch(classfiyCode, "^[1-9]{5}$"); //匹配5个数字字符
                if (!classCodeIsMatch)
                {
                    item.IsError = true;
                    item.ErrorMessages += "分类编码格式错误；";
                    goto result;
                }

                var modifyclassfiycode = InsertFormat(classfiyCode, 1, "0"); //间隔插入0
                var subsectioncode = from array in sqliteUtil.QueryTable("SUB_SECTION")
                    where array[2] == modifyclassfiycode
                    select array; //找到子分部工程的值
                if (!subsectioncode.Any())
                {
                    item.IsError = true;
                    item.ErrorMessages += "分类编码不存在;";
                }

                Regex regionPattern = null;
                if (index == 0)
                {
                    regionPattern = new Regex(@"^\((((B|0)\d{2}){2}\d)|(\d{3})\)$");
                }
                else if (index == 1)
                {
                    regionPattern = new Regex(@"^\((\d+[A-Z]+)|((\d+[A-Z]+){2})\)$");
                }

                if (regionPattern == null)
                {
                    TaskDialog.Show("提示", "未选择标准");
                    return;
                }

                var regionCode = regionPattern.Match(lastCode);
                if (string.IsNullOrEmpty(regionCode.Value))
                {
                    item.IsError = true;
                    item.ErrorMessages += "预留区域码格式错误或不存在；";
                }

                lastCode = lastCode.Substring(lastCode.IndexOf(")", StringComparison.Ordinal) + 1);

                Regex componentPattern = new Regex("^[A-Z]+");
                var componentCode = componentPattern.Match(lastCode);

                var mappingstr = modifyclassfiycode.Remove(modifyclassfiycode.Length - 1, 1) + "x";
                var enumerable = from array in sqliteUtil.QueryTable("COM")
                    where (array[2] == modifyclassfiycode) ^ (mappingstr == array[2])
                    select array[3]; //查找分类下的构件编码
                if (string.IsNullOrEmpty(componentCode.Value))
                {
                    item.IsError = true;
                    item.ErrorMessages += "构件码格式错误；";
                    var list = enumerable.ToList();
                    if (!list.Contains(componentCode.Value))
                    {
                        item.IsError = true;
                        item.ErrorMessages += "构件码不存在；";
                    }
                }

                lastCode = lastCode.TrimStart(componentCode.Value.ToCharArray());

                Regex sequePattern = new Regex(@"^\d{4}$");
                var sequeCode = sequePattern.Match(lastCode);

                if (string.IsNullOrEmpty(sequeCode.Value))
                {
                    item.IsError = true;
                    item.ErrorMessages += "序列码错误；";
                }

                result:
                if (item.IsError)
                {
                    ErrorTaskItems.Add(item);
                }
                //string region = lastCode.Substring(lastCode.IndexOf("(") + 1, lastCode.IndexOf(")"));
                //if (!Regex.IsMatch(region, @"((B|0)\d{2}){2}\d") || !Regex.IsMatch(region, @"\d{3}"))
                //{
                //    item.ErrorMessages += "预留区域码有误";
                //}
                //string componentcode = lastCode.Substring(lastCode.IndexOf(")"), lastCode.Length - 4);
                //if (componentcode)
                //{
                //}
            }

            TaskDialog.Show("提示", "校验完成");
        }
    }
}