using LawFirmBusinessLogic.OfficePackage;
using LawFirmBusinessLogic.OfficePackage.HelperModels;
using LawFirmContracts.BindingModels;
using LawFirmContracts.BusinessLogicsContracts;
using LawFirmContracts.SearchModels;
using LawFirmContracts.StoragesContracts;
using LawFirmContracts.ViewModels;

namespace LawFirmBusinessLogic.BusinessLogics
{
    public class ReportLogic : IReportLogic
    {
        private readonly IBlankStorage _blankStorage;
        private readonly IDocumentStorage _documentStorage;
        private readonly IOrderStorage _orderStorage;
        private readonly IShopStorage _shopStorage;

        private readonly AbstractSaveToExcel _saveToExcel;
        private readonly AbstractSaveToWord _saveToWord;
        private readonly AbstractSaveToPdf _saveToPdf;
        public ReportLogic(IDocumentStorage documentStorage,
            IBlankStorage blankStorage,
            IOrderStorage orderStorage,
            IShopStorage shopStorage,
            AbstractSaveToExcel saveToExcel,
            AbstractSaveToWord saveToWord,
            AbstractSaveToPdf saveToPdf)
        {
            _documentStorage = documentStorage;
            _blankStorage = blankStorage;
            _orderStorage = orderStorage;
            _saveToExcel = saveToExcel;
            _saveToWord = saveToWord;
            _saveToPdf = saveToPdf;
            _shopStorage = shopStorage;
        }
        /// <summary>
        /// Получение списка компонент с указанием, в каких изделиях используются
        /// </summary>
        /// <returns></returns>
        public List<ReportDocumentBlankViewModel> GetDocumentBlank()
        {
            var blanks = _blankStorage.GetFullList();
            var documents = _documentStorage.GetFullList();
            var list = new List<ReportDocumentBlankViewModel>();
            foreach (var document in documents)
            {
                var record = new ReportDocumentBlankViewModel
                {
                    DocumentName = document.DocumentName,
                    Blanks = new List<Tuple<string, int>>(),
                    TotalCount = 0
                };
                foreach (var blank in blanks)
                {
                    if (document.DocumentBlanks.ContainsKey(blank.Id))
                    {
                        record.Blanks.Add(new Tuple<string, int>(blank.BlankName, document.DocumentBlanks[blank.Id].Item2));
                        record.TotalCount += document.DocumentBlanks[blank.Id].Item2;
                    }
                }
                list.Add(record);
            }
            return list;
        }
        /// <summary>
        /// Получение списка заказов за определенный период
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public List<ReportOrdersViewModel> GetOrders(ReportBindingModel model)
        {
            return _orderStorage.GetFilteredList(new OrderSearchModel
            {
                DateFrom = model.DateFrom,
                DateTo = model.DateTo
            })
            .Select(x => new ReportOrdersViewModel
            {
                Id = x.Id,
                DateCreate = x.DateCreate,
                DocumentName = x.DocumentName,
                OrderStatus = x.Status.ToString(),
                Sum = x.Sum
            })
           .ToList();
        }
        /// <summary>
        /// Сохранение компонент в файл-Word
        /// </summary>
        /// <param name="model"></param>
        public void SaveBlanksToWordFile(ReportBindingModel model)
        {
            _saveToWord.CreateDoc(new WordInfo
            {
                FileName = model.FileName,
                Title = "Список бланков",
                Documents = _documentStorage.GetFullList()
            });
        }
        /// <summary>
        /// Сохранение продукта с указаеним компонент в файл-Excel
        /// </summary>
        /// <param name="model"></param>
        public void SaveDocumentBlankToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Документы и их бланки",
                DocumentBlanks = GetDocumentBlank()
            });
        }
        /// <summary>
        /// Сохранение заказов в файл-Pdf
        /// </summary>
        /// <param name="model"></param>
        public void SaveOrdersToPdfFile(ReportBindingModel model)
        {
            _saveToPdf.CreateDoc(new PdfInfo
            {
                FileName = model.FileName,
                Title = "Список заказов",
                DateFrom = DateTime.SpecifyKind(model.DateFrom!.Value, DateTimeKind.Utc),
                DateTo = DateTime.SpecifyKind(model.DateTo!.Value, DateTimeKind.Utc),
                Orders = GetOrders(model)
            });
        }

        public List<ReportShopDocumentViewModel> GetShopDocuments()
        {
            var shops = _shopStorage.GetFullList();

            var list = new List<ReportShopDocumentViewModel>();

            foreach (var shop in shops)
            {
                var record = new ReportShopDocumentViewModel
                {
                    ShopName = shop.ShopName,
                    Documents = new List<(string, int)>(),
                    TotalCount = 0
                };
                foreach (var document in shop.ShopDocuments)
                {
                    record.Documents.Add(new(document.Value.Item1.DocumentName, shop.ShopDocuments[document.Value.Item1.Id].Item2));
                    record.TotalCount += shop.ShopDocuments[document.Value.Item1.Id].Item2;
                }

                list.Add(record);
            }

            return list;
        }
		public void SaveShopDocumentToExcelFile(ReportBindingModel model)
		{
			_saveToExcel.CreateShopReport(new ExcelInfo
			{
				FileName = model.FileName,
				Title = "Заполненность магазинов",
				ShopDocuments = GetShopDocuments()
			});
		}

		public List<ReportOrdersGroupedByDateViewModel> GetGroupedByDateOrders()
		{
			return _orderStorage.GetFullList().GroupBy(x => x.DateCreate.Date)
				.Select(x => new ReportOrdersGroupedByDateViewModel
				{
					Date = x.Key,
					Count = x.Count(),
					Sum = x.Sum(y => y.Sum)
				})
				.ToList();
		}

		public void SaveGroupedByDateOrders(ReportBindingModel model)
		{
			_saveToPdf.CreateDocWithGroupedOrders(new PdfInfo
			{
				FileName = model.FileName,
				Title = "Заказы по дате",
				GroupedOrders = GetGroupedByDateOrders(),
			});
		}

		public void SaveShopsToWordFile(ReportBindingModel model)
		{
			_saveToWord.CreateShopsTable(new WordInfo
			{
				FileName = model.FileName,
				Title = "Список магазинов",
				Shops = _shopStorage.GetFullList()
			});
		}
	}
}