using ConfectioneryBusinessLogic.OfficePackage.HelperModels;
using ConfectioneryBusinessLogic.OfficePackage;
using ConfectioneryContracts.BindingModels;
using ConfectioneryContracts.BusinessLogicsContracts;
using ConfectioneryContracts.SearchModels;
using ConfectioneryContracts.StoragesContracts;
using ConfectioneryContracts.ViewModels;
namespace ConfectioneryBusinessLogic.BusinessLogics
{
    public class ReportLogic : IReportLogic
    {
        private readonly IComponentStorage _componentStorage;
        private readonly IPastryStorage _pastryStorage;
        private readonly IOrderStorage _orderStorage;
        private readonly AbstractSaveToExcel _saveToExcel;
        private readonly AbstractSaveToWord _saveToWord;
        private readonly AbstractSaveToPdf _saveToPdf;
        public ReportLogic(IPastryStorage pastryStorage, IComponentStorage 
            componentStorage, IOrderStorage orderStorage, AbstractSaveToExcel
            saveToExcel, AbstractSaveToWord saveToWord, 
            AbstractSaveToPdf saveToPdf)
        {
            _pastryStorage = pastryStorage;
            _componentStorage = componentStorage;
            _orderStorage = orderStorage;
            _saveToExcel = saveToExcel;
            _saveToWord = saveToWord;
            _saveToPdf = saveToPdf;
        }
        /// <summary>
        /// Получение списка компонент с указанием, в каких кондитерских 
        /// изделиях используются
        /// </summary>
        /// <returns></returns>
        public List<ReportPastryComponentViewModel> GetPastryComponent()
        {
            var pastries = _pastryStorage.GetFullList();
            var list = new List<ReportPastryComponentViewModel>();
            foreach (var pastry in pastries)
            {
                var record = new ReportPastryComponentViewModel
                {
                    PastryName = pastry.PastryName,
                    Components = new List<Tuple<string, int>>(),
                    TotalCount = 0
                };
                foreach (var component in pastry.PastryComponents)
                {
                    record.Components.Add(new Tuple<string, int>(
                        component.Value.Item1.ComponentName, 
                        component.Value.Item2));
                    record.TotalCount += component.Value.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,
                PastryName = x.PastryName,
                Sum = x.Sum,
                OrderStatus = x.Status.ToString()
            })
            .ToList();
        }
        /// <summary>
        /// Сохранение компонент в файл-Word
        /// </summary>
        /// <param name="model"></param>
        public void SaveComponentsToWordFile(ReportBindingModel model)
        {
            _saveToWord.CreateDoc(new WordInfo
            {
                FileName = model.FileName,
                Title = "Список кондитерских изделий",
                Pastries = _pastryStorage.GetFullList()
            });
        }
        /// <summary>
        /// Сохранение компонент с указаеним кондитерских изделий в файл-Excel
        /// </summary>
        /// <param name="model"></param>
        public void SavePastryComponentToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Список кондитерских изделий",
                PastryComponents = GetPastryComponent()
            });
        }
        /// <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 = model.DateFrom!.Value,
                DateTo = model.DateTo!.Value,
                Orders = GetOrders(model)
            });
        }
    }
}