PIbd-23_Starostin_I.K._Lainer_bazovyi/lainer/Lainer1/LainersGenericStorage.cs

using ProjectLainer.DrawningObjects;
using ProjectLainer.Entities;
using ProjectLainer.MovementStrategy;
using System.Text;

namespace ProjectLainer.Generics
{
    internal class LainersGenericStorage
    {

        readonly Dictionary<LainersCollectionInfo, LainersGenericCollection<DrawingEntity, DrawningObjectLainer>> _lainerStorages;

        public List<LainersCollectionInfo> Keys => _lainerStorages.Keys.ToList();

        private readonly int _pictureWidth;

        private readonly int _pictureHeight;
        public LainersGenericStorage(int pictureWidth, int pictureHeight)
        {
            _lainerStorages = new Dictionary<LainersCollectionInfo, LainersGenericCollection<DrawingEntity, DrawningObjectLainer>>();
            _pictureWidth = pictureWidth;
            _pictureHeight = pictureHeight;
        }

        public void AddSet(string name)
        {
            //проверка
            var addItem = new LainersCollectionInfo(name, null);
            foreach (LainersCollectionInfo elem in Keys)
            {
                if (addItem.Equals(elem))
                {
                    return;
                }
            }
            _lainerStorages.Add(new LainersCollectionInfo(name, null), new LainersGenericCollection<DrawingEntity, DrawningObjectLainer>(_pictureWidth, _pictureHeight));
        }

        public void DelSet(string name)
        {
            var deleteItem = new LainersCollectionInfo(name, null);
            foreach (LainersCollectionInfo elem in Keys)
            {
                if (deleteItem.Equals(elem))
                {
                    _lainerStorages.Remove(elem);
                }
            }
            return;
        }

        public LainersGenericCollection<DrawingEntity, DrawningObjectLainer>? this[string ind]
        {
            get
            {
                var getItem = new LainersCollectionInfo(ind, null);
                foreach (LainersCollectionInfo elem in Keys)
                {
                    if (getItem.Equals(elem))
                    {
                        return _lainerStorages[elem];
                    }
                }
                return null;
            }
        }
        private static readonly char _separatorForKeyValue = '|';
        private readonly char _separatorRecords = ';';
        private static readonly char _separatorForObject = ':';
        public void SaveData(string filename)
        {
            if (File.Exists(filename))
            {
                File.Delete(filename);
            }
            StringBuilder data = new();
            foreach (KeyValuePair<LainersCollectionInfo, LainersGenericCollection<DrawingLainer, DrawningObjectLainer>> record in _lainerStorages)
            {
                StringBuilder records = new();
                foreach (DrawingLainer? elem in record.Value.GetLainers)
                {
                    records.Append($"{elem?.GetDataForSave(_separatorForObject)}{_separatorRecords}");
                }
                data.AppendLine($"{record.Key.Name}{_separatorForKeyValue}{records}");
            }
            if (data.Length == 0)
            {
                throw new ArgumentException("Невалиданя операция, нет данных для сохранения");
            }
            using (StreamWriter sw = new(filename))
            {
                sw.WriteLine($"LainerStorage{Environment.NewLine}{data}");
            }
        }
        public void LoadData(string filename)
        {
            if (!File.Exists(filename))
            {
                throw new NullReferenceException("Файл не найден");
            }
            using (StreamReader sr = new(filename))
            {
                string str = sr.ReadLine();
                var strs = str.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
                if (strs == null || strs.Length == 0)
                {
                    throw new NullReferenceException("нет данных для загрузки");
                }
                if (!strs[0].StartsWith("LainerStorage"))
                {
                    throw new ArgumentException("неверный фориат данных");
                }
                _lainerStorages.Clear();
                do
                {
                    string[] record = str.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
                    if (record.Length != 2)
                    {
                        str = sr.ReadLine();
                        continue;
                    }
                    LainersGenericCollection<DrawingLainer, DrawningObjectLainer> collection = new(_pictureWidth, _pictureHeight);
                    string[] set = record[1].Split(_separatorRecords, StringSplitOptions.RemoveEmptyEntries);
                    foreach (string elem in set)
                    {
                        DrawingLainer? lainer = elem?.CreateDrawningLainer(_separatorForObject, _pictureWidth, _pictureHeight);
                        if (lainer != null)
                        {
                            if (!(collection + lainer))
                            {
                                throw new IOException("Ошибка добавления в коллекцию");

                            }
                        }
                    }
                    _lainerStorages.Add(new LainerCollectionInfo(record[0], null), collection);
                    str = sr.ReadLine();
                } while (str != null);
            }
        }
    }
}