using AircraftPlantBusinessLogic.OfficePackage;
using AircraftPlantBusinessLogic.OfficePackage.HelperModels;
using AircraftPlantContracts.BindingModels;
using AircraftPlantContracts.BusinessLogicsContracts;
using AircraftPlantContracts.SearchModels;
using AircraftPlantContracts.StoragesContracts;
using AircraftPlantContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AircraftPlantBusinessLogic.BusinessLogics
{
    /// <summary>
    /// Реализация интерфейса бизнес-логики для создания отчетов
    /// </summary>
    public class ReportLogic : IReportLogic
    {
        /// <summary>
        /// Хранилище компонентов
        /// </summary>
        private readonly IComponentStorage _componentStorage;

        /// <summary>
        /// Хранилище изделий
        /// </summary>
        private readonly IPlaneStorage _planeStorage;

        /// <summary>
        /// Хранилище заказов
        /// </summary>
        private readonly IOrderStorage _orderStorage;

        /// <summary>
        /// Хранилище магазинов
        /// </summary>
        private readonly IShopStorage _shopStorage;

        /// <summary>
        /// Взаимодействие с отчетами в Excel-формате
        /// </summary>
        private readonly AbstractSaveToExcel _saveToExcel;

        /// <summary>
        /// Взаимодействие с отчетами в Word-формате
        /// </summary>
        private readonly AbstractSaveToWord _saveToWord;

        /// <summary>
        /// Взаимодействие с отчетами в Pdf-формате
        /// </summary>
        private readonly AbstractSaveToPdf _saveToPdf;

        /// <summary>
        /// Конструктор
        /// </summary>
        /// <param name="planeStorage"></param>
        /// <param name="componentStorage"></param>
        /// <param name="orderStorage"></param>
        /// <param name="saveToExcel"></param>
        /// <param name="saveToWord"></param>
        /// <param name="saveToPdf"></param>
        public ReportLogic(IPlaneStorage planeStorage, IComponentStorage componentStorage, IOrderStorage orderStorage, IShopStorage shopStorage,
            AbstractSaveToExcel saveToExcel, AbstractSaveToWord saveToWord, AbstractSaveToPdf saveToPdf)
        {
            _planeStorage = planeStorage;
            _componentStorage = componentStorage;
            _orderStorage = orderStorage;
            _shopStorage = shopStorage;

            _saveToExcel = saveToExcel;
            _saveToWord = saveToWord;
            _saveToPdf = saveToPdf;
        }

        /// <summary>
        /// Получение списка изделий с расшифровкой по компонентам
        /// </summary>
        /// <returns></returns>
        public List<ReportPlaneComponentViewModel> GetPlaneComponents()
        {
            return _planeStorage.GetFullList().Select(x => new ReportPlaneComponentViewModel
            {
                PlaneName = x.PlaneName,
                Components = x.PlaneComponents.Select(x => (x.Value.Item1.ComponentName, x.Value.Item2)).ToList(),
                TotalCount = x.PlaneComponents.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,
                        PlaneName = x.PlaneName,
                        Sum = x.Sum,
                        Status = x.Status.ToString()
                    })
                    .ToList();
        }

        /// <summary>
        /// Получение списка заказов с группировкой по датам
        /// </summary>
        /// <returns></returns>
        public List<ReportGroupOrdersViewModel> GetGroupOrders()
        {
            return _orderStorage.GetFullList()
                .GroupBy(x => x.DateCreate.Date)
                .Select(x => new ReportGroupOrdersViewModel
                {
                    DateCreate = x.Key,
                    Count = x.Count(),
                    Sum = x.Select(y => y.Sum).Sum()
                })
                .ToList();
        }

        /// <summary>
        /// Получение списка магазинов с указанием хранимых изделий
        /// </summary>
        /// <returns></returns>
        public List<ReportShopPlanesViewModel> GetShopPlanes()
        {
            return _shopStorage.GetFullList()
                .Select(x => new ReportShopPlanesViewModel
                {
                    ShopName = x.ShopName,
                    Planes = x.ShopPlanes.Select(x => (x.Value.Item1.PlaneName, x.Value.Item2)).ToList(),
                    TotalCount = x.ShopPlanes.Select(x => x.Value.Item2).Sum()
                })
                .ToList();
        }

        /// <summary>
        /// Сохранение изделий в Word-файл
        /// </summary>
        /// <param name="model"></param>
        public void SavePlanesToWordFile(ReportBindingModel model)
        {
            _saveToWord.CreateDoc(new WordInfo
            {
                FileName = model.FileName,
                Title = "Список изделий",
                Planes = _planeStorage.GetFullList()
            });
        }

        /// <summary>
        /// Сохранение изделий с расшифровкой по компонентам в Excel-файл
        /// </summary>
        /// <param name="model"></param>
        public void SavePlaneComponentsToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Список изделий",
                PlaneComponents = GetPlaneComponents()
            });
        }

        /// <summary>
        /// Сохранение заказов в Pdf-файл
        /// </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)
            });
        }

        /// <summary>
        /// Сохранение магазинов в Word-файл
        /// </summary>
        /// <param name="model"></param>
        public void SaveShopsToWordFile(ReportBindingModel model)
        {
            _saveToWord.CreateShopsDoc(new WordInfo
            {
                FileName = model.FileName,
                Title = "Список магазинов",
                Shops = _shopStorage.GetFullList()
            });
        }

        /// <summary>
        /// Сохранение магазинов с указанием изделий в файл-Excel
        /// </summary>
        /// <param name="model"></param>
        public void SaveShopPlanesToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateShopPlanesReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Ассортимент магазинов",
                ShopPlanes = GetShopPlanes()
            });
        }

        /// <summary>
        /// Сохранение заказов с группировкой по датам в файл-Pdf
        /// </summary>
        /// <param name="model"></param>
        public void SaveGroupOrdersToPdfFile(ReportBindingModel model)
        {
            _saveToPdf.CreateGroupOrdersDoc(new PdfInfo
            {
                FileName= model.FileName,
                Title = "Список заказов с группировкой по датам",
                GroupOrders = GetGroupOrders()
            });
        }
    }
}