using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ConfectioneryBusinessLogic.OfficePackage;
using ConfectioneryBusinessLogic.OfficePackage.HelperModels;
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 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<(string Component, int Count)>(),
                    TotalCount = 0,
                };
                foreach (var component in pastry.PastryComponents)
                {
                    record.Components.Add(new(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,
                OrderStatus = x.Status.ToString(),
                Sum = x.Sum
            })
           .ToList();
        }
        /// <summary>
        /// Сохранение компонент в файл-Word
        /// </summary>
        /// <param name="model"></param>
        public void SavePastriesToWordFile(ReportBindingModel model)
        {
            _saveToWord.CreateDoc(new WordInfo
            {
                FileName = model.FileName,
                Title = "Список выпечки",
                Pastries = _pastryStorage.GetFullList()
            });
        }
        /// <summary>
        /// Сохранение компонент с указаеним продуктов в файл-Excel
        /// </summary>
        /// <param name="model"></param>
        public void SavePastryComponentToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Список выпечки ",
                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)
            });
        }

    }
}