using Hydro.CommonBase;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using static Hydro.MapView.MapViewEnum;

namespace Hydro.MapView
{
    [Serializable]
    public class TemplateList
    {
        public List<Template> templates = new List<Template>();
        public static TemplateList instance;
        public static string _tempListPath = null;
        public static bool Inited = false;
        public static List<Template> GetTemplates()
        {
            if (instance != null)
            {
                return instance.templates;
            }
            else
                return new List<Template>();
        }
        public static void Init(string filePath = null)
        {
            if (filePath == null)
                _tempListPath = Path.Combine(Directory.GetCurrentDirectory(), "templates.json");
            else
                _tempListPath = filePath;
            if (File.Exists(_tempListPath))
            {
                string jsonString = File.ReadAllText(_tempListPath);
                
                if (jsonString!=null && jsonString!="")
                {
                    try
                    {
                        instance = JsonConvert.DeserializeObject<TemplateList>(jsonString);
                    }
                    catch
                    {

                    }
                    
                }    
                    

            }
            if (instance==null)
            {
                instance = new TemplateList();
                // 添加测试数据
                AddTemp(new Template(null, "小区模板", @"template\小区模板\", TemplateType.小区模板));
                AddTemp(new Template(null, "分区模板", @"template\单元分区模板\", TemplateType.单元分区模板));
                AddTemp(new Template(null, "单元模板", @"template\单元模板\", TemplateType.单元模板));
                AddTemp(new Template(null, "楼层1", @"template\楼层模板\楼层1.inp", TemplateType.楼层模板));
            }
            Inited = true;
        }
        // 保存模板数据到文件中
        public static void SaveToFile(string filePath = null)
        {
            if (filePath == null) filePath = _tempListPath;
            // 备份历史保存文件
            if (File.Exists(filePath))
            {
                string backupPath = filePath + ".bak";
                if (File.Exists(backupPath))
                {
                    File.Delete(backupPath);
                }

                FileCopy.Copy(filePath, backupPath);
            }

            JsonSerializerSettings settings = new JsonSerializerSettings
            {
                Formatting = Formatting.Indented,
                ContractResolver = new ShouldSerializeContractResolver(),
            };
            string json = JsonConvert.SerializeObject(instance, Formatting.Indented, settings);
            File.WriteAllText(_tempListPath, json);

            //MessageCompressHelper.SaveCompressedBase64ToFile<TemplateList>(instance, filePath);
        }

        // 从文件中读取已保存的模板数据
        //public void LoadFromFile(string filePath)
        //{

        //    // 如果文件不存在，则无需读取
        //    if (!File.Exists(filePath))
        //    {
        //        return;
        //    }

        //    // 反序列化文件内容为模板数据
        //    using (StreamReader reader = new StreamReader(filePath))
        //    {
        //        while (!reader.EndOfStream)
        //        {
        //            // 读取模板基本信息
        //            string id=reader.ReadLine();
        //            string name = reader.ReadLine();
        //            string path = reader.ReadLine();
        //            TemplateType type = (TemplateType)Enum.Parse(typeof(TemplateType), reader.ReadLine());
        //            int relationCount = int.Parse(reader.ReadLine());

        //            // 读取派生关系信息
        //            List<Relation> relations = new List<Relation>();
        //            for (int i = 0; i < relationCount; i++)
        //            {

        //                string relationName = reader.ReadLine();
        //                string relationKeyword = reader.ReadLine();
        //                string relationTemplateName = reader.ReadLine();
        //                Relation relation = new Relation() { 名称 = relationName, 关键字 = relationKeyword, 模板名称 = relationTemplateName };
        //                relations.Add(relation);
        //            }

        //            // 创建模板对象并添加到列表中
        //            Template template = new Template(id,name, path, type) { 派生关系 = relations };
        //            templates.Add(template);
        //        }
        //    }
        //}




        public static Template AddNewTemp(TemplateType selectedType = TemplateType.其他)
        {

            int i = 0;
            while (true)
            {
                if (instance.templates.Find(t => t.Name == $"{selectedType}_{i}") == null) break;
                i++;
            }
            Template temp = new Template(Guid.NewGuid().ToString(), $"{selectedType}_{i}", $@"template\{selectedType}\{selectedType}_{i}.inp", selectedType);
            temp.view = null;// new MapView() { Center = new PointF(0, 0), zoom = 50f, rotation = 0, rotationF = 90 };
            if (File.Exists(temp.FullPath))
            {
                try
                {
                    //Global.ClearFileReadOnly(temp.FullPath);
                    File.Delete(temp.FullPath);
                }
                catch (Exception ex)
                {
                }

            }
            instance.templates.Add(temp);
            return temp;
        }
        public static Template AddTemp(Template temp)
        {
            instance.templates.Add(temp);
            return temp;
        }
        public static Template GetTemplate(string ID)
        {
            return instance.templates.Find(t => t.ID == ID);
        }


    }

    
}