using GiftShopBusinessLogic.OfficePackage.HelperModels;
using GiftShopBusinessLogic.OfficePackage;
using GiftShopContracts.BindingModels;
using GiftShopContracts.BusinessLogicsContracts;
using GiftShopContracts.SearchModels;
using GiftShopContracts.StoragesContracts;
using GiftShopContracts.ViewModels;

namespace GiftShopBusinessLogic.BusinessLogics
{
    public class ReportLogic : IReportLogic
    {
        private readonly IComponentStorage _componentStorage;

        private readonly IGiftStorage _giftStorage;
        
        private readonly IOrderStorage _orderStorage;
        
        private readonly AbstractSaveToExcel _saveToExcel;
        
        private readonly AbstractSaveToWord _saveToWord;
        
        private readonly AbstractSaveToPdf _saveToPdf;
        
        public ReportLogic(IGiftStorage giftStorage, IComponentStorage componentStorage, IOrderStorage orderStorage,
        AbstractSaveToExcel saveToExcel, AbstractSaveToWord saveToWord, AbstractSaveToPdf saveToPdf)
        {
            _giftStorage = giftStorage;
            _componentStorage = componentStorage;
            _orderStorage = orderStorage;

            _saveToExcel = saveToExcel;
            _saveToWord = saveToWord;
            _saveToPdf = saveToPdf;
        }
        /// <summary>
        /// Получение списка компонент с указанием, в каких изделиях используются
        /// </summary>
        /// <returns></returns>
        public List<ReportGiftComponentViewModel> GetGiftComponent()
        {
            return _giftStorage.GetFullList().Select(x => new ReportGiftComponentViewModel
            {
                GiftName = x.GiftName,
                Components = x.GiftComponents.Select(x => (x.Value.Item1.ComponentName, x.Value.Item2)).ToList(),
                TotalCount = x.GiftComponents.Select(x => x.Value.Item2).Sum()
            }).ToList();
        }
        /// <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,
                GiftName = x.GiftName,
                Sum = x.Sum,
                Status = x.Status.ToString() ?? string.Empty
            })
           .ToList();
        }
        /// <summary>
        /// Сохранение компонент в файл-Word
        /// </summary>
        /// <param name="model"></param>
        public void SaveGiftsToWordFile(ReportBindingModel model)
        {
            _saveToWord.CreateDoc(new WordInfo
            {
                FileName = model.FileName,
                Title = "Список изделий",
                Gifts = _giftStorage.GetFullList()
            });
        }
        /// <summary>
        /// Сохранение компонент с указаеним продуктов в файл-Excel
        /// </summary>
        /// <param name="model"></param>
        public void SaveGiftComponentToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Список изделий",
                GiftComponents = GetGiftComponent()
            });
        }
        /// <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)
            });
        }
    }
}