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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Xml.Linq;
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using ProjectGasolineTanker.Drawings;
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using ProjectGasolineTanker.Generics;
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using ProjectGasolineTanker.MovementStratg;
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namespace ProjectGasolineTanker.Generic
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{
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internal class TruckGenericStorage
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{
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//Словарь (хранилище)
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readonly Dictionary<TruckCollectionInfo, TruckGenericCollection<DrawingTruck, DrawingObjectTruck>> _TruckStorages;
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//Возвращение списка названий наборов
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public List<TruckCollectionInfo> Keys => _TruckStorages.Keys.ToList();
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//Ширина окна отрисовки
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private readonly int _pictureWidth;
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//Высота окна отрисовки
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private readonly int _pictureHeight;
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// Разделитель для записи ключа и значения элемента словаря
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private static readonly char _separatorForKeyValue = '|';
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// Разделитель для записей коллекции данных в файл
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private readonly char _separatorRecords = ';';
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// Разделитель для записи информации по объекту в файл
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private static readonly char _separatorForObject = ':';
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public TruckGenericStorage(int pictureWidth, int pictureHeight)
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{
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_TruckStorages = new Dictionary<TruckCollectionInfo, TruckGenericCollection<DrawingTruck, DrawingObjectTruck>>();
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_pictureWidth = pictureWidth;
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_pictureHeight = pictureHeight;
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}
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// Добавление набора
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public void AddSet(string name)
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{
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TruckCollectionInfo set = new TruckCollectionInfo(name, string.Empty);
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if (_TruckStorages.ContainsKey(set))
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return;
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_TruckStorages.Add(set, new TruckGenericCollection<DrawingTruck, DrawingObjectTruck>(_pictureWidth, _pictureHeight));
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}
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// Удаление набора
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public void DelSet(string name)
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{
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TruckCollectionInfo set = new TruckCollectionInfo(name, string.Empty);
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// TODO Прописать логику для удаления
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if (!_TruckStorages.ContainsKey(set))
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{
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return;
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}
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_TruckStorages.Remove(set);
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}
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// Доступ к набору
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public TruckGenericCollection<DrawingTruck, DrawingObjectTruck>? this[string ind]
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{
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get
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{
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TruckCollectionInfo set = new TruckCollectionInfo(ind, string.Empty);
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// TODO Продумать логику получения набора
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if (!_TruckStorages.ContainsKey(set))
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{
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return null;
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}
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return _TruckStorages[set];
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}
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}
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public void SaveData(string filename)
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{
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if (File.Exists(filename))
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{
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File.Delete(filename);
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}
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StringBuilder data = new();
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foreach (KeyValuePair<TruckCollectionInfo,
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TruckGenericCollection<DrawingTruck, DrawingObjectTruck>> record in _TruckStorages)
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{
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StringBuilder records = new();
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foreach (DrawingTruck? elem in record.Value.GetTruck)
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{
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records.Append($"{elem?.GetDataForSave(_separatorForObject)}{_separatorRecords}");
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}
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data.AppendLine($"{record.Key.Name}{_separatorForKeyValue}{records}");
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}
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if (data.Length == 0)
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{
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throw new Exception("Невалиданя операция, нет данных для сохранения");
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}
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using FileStream fs = new(filename, FileMode.Create);
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byte[] info = new
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UTF8Encoding(true).GetBytes($"CarStorage{Environment.NewLine}{data}");
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fs.Write(info, 0, info.Length);
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return;
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}
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public void LoadData(string filename)
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{
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if (!File.Exists(filename))
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{
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throw new Exception("Файл не найден");
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}
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string bufferTextFromFile = "";
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using (FileStream fs = new(filename, FileMode.Open))
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{
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byte[] b = new byte[fs.Length];
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UTF8Encoding temp = new(true);
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while (fs.Read(b, 0, b.Length) > 0)
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{
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bufferTextFromFile += temp.GetString(b);
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}
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}
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var strs = bufferTextFromFile.Split(new char[] { '\n', '\r' },
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StringSplitOptions.RemoveEmptyEntries);
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if (strs == null || strs.Length == 0)
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{
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throw new Exception("Нет данных для загрузки");
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}
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if (!strs[0].StartsWith("TruckStorage"))
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{
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//если нет такой записи, то это не те данные
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throw new Exception("Неверный формат данных");
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}
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_TruckStorages.Clear();
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foreach (string data in strs)
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{
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string[] record = data.Split(_separatorForKeyValue,
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StringSplitOptions.RemoveEmptyEntries);
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if (record.Length != 2)
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{
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continue;
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}
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TruckGenericCollection<DrawingTruck, DrawingObjectTruck>
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collection = new(_pictureWidth, _pictureHeight);
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string[] set = record[1].Split(_separatorRecords,
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StringSplitOptions.RemoveEmptyEntries);
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foreach (string elem in set)
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{
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DrawingTruck? Truck =
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elem?.CreateDrawingTruck(_separatorForObject, _pictureWidth, _pictureHeight);
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if (Truck != null)
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{
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if ((collection + Truck)==-1)
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{
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throw new Exception("Ошибка добавления в коллекцию");
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}
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}
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}
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_TruckStorages.Add(new TruckCollectionInfo(record[0],
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string.Empty), collection);
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}
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}
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}
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}
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