using AutomobilePlantBusinessLogic.OfficePackage.HelperModels;
using AutomobilePlantBusinessLogic.OfficePackage;
using AutomobilePlantContracts.BindingModels;
using AutomobilePlantContracts.BusinessLogicContracts;
using AutomobilePlantContracts.SearchModels;
using AutomobilePlantContracts.StorageContracts;
using AutomobilePlantContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AutomobilePlantBusinessLogic.BusinessLogics
{
    public class ReportLogic : IReportLogic
    {
        private readonly IComponentStorage _componentStorage;
        private readonly ICarStorage _carStorage;
        private readonly IOrderStorage _orderStorage;
        private readonly IShopStorage _shopStorage;
        private readonly AbstractSaveToExcel _saveToExcel;
        private readonly AbstractSaveToWord _saveToWord;
        private readonly AbstractSaveToPdf _saveToPdf;
        public ReportLogic(ICarStorage carStorage, IComponentStorage componentStorage, IOrderStorage orderStorage, IShopStorage shopStorage, AbstractSaveToExcel saveToExcel, AbstractSaveToWord saveToWord, AbstractSaveToPdf saveToPdf)
        {
            _carStorage = carStorage;
            _componentStorage = componentStorage;
            _orderStorage = orderStorage;
            _shopStorage = shopStorage;
            _saveToExcel = saveToExcel;
            _saveToWord = saveToWord;
            _saveToPdf = saveToPdf;
        }
        /// Получение списка компонент с указанием, в каких изделиях используются
        public List<ReportCarComponentViewModel> GetCarComponents()
        {
            var cars = _carStorage.GetFullList();
            var list = new List<ReportCarComponentViewModel>();
            foreach (var car in cars)
            {
                var record = new ReportCarComponentViewModel
                {
                    CarName = car.CarName,
                    Components = new List<(string Component, int Count)>(),
                    TotalCount = 0
                };
                foreach (var component in car.CarComponents.Values)
                {
                    record.Components.Add((component.Item1.ComponentName, component.Item2));
                    record.TotalCount += component.Item2;
                }
                list.Add(record);
            }
            return list;
        }
        /// Получение списка заказов за определенный период
        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,
                CarName = x.CarName,
                Sum = x.Sum,
                Status = x.Status.ToString(),
            })
           .ToList();
        }
        /// Сохранение компонент в файл-Word
        public void SaveCarsToWordFile(ReportBindingModel model)
        {
            _saveToWord.CreateDoc(new WordInfo
            {
                FileName = model.FileName,
                Title = "Список автомобилей",
                Cars = _carStorage.GetFullList()
            });
        }
        /// Сохранение компонент с указаеним продуктов в файл-Excel
        public void SaveCarComponentToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Список автомобилей",
                CarComponents = GetCarComponents()
            });
        }
        /// Сохранение заказов в файл-Pdf
        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)
            });
        }

        public void SaveShopsToWordFile(ReportBindingModel model)
        {
            _saveToWord.CreateTableDoc(new WordInfo
            {
                FileName = model.FileName,
                Title = "Список магазинов",
                Shops = _shopStorage.GetFullList()
            });
        }
        public void SaveShopCarsToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateShopReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Загруженность магазинов",
                ShopCars = GetShopCars()
            });
        }

        public List<ReportShopCarsViewModel> GetShopCars()
        {
            var shops = _shopStorage.GetFullList();
            var list = new List<ReportShopCarsViewModel>();
            foreach (var shop in shops)
            {
                var record = new ReportShopCarsViewModel
                {
                    ShopName = shop.Name,
                    Cars = new List<Tuple<string, int>>(),
                    Count = 0
                };
                foreach (var carCount in shop.ShopCars.Values)
                {
                    record.Cars.Add(new Tuple<string, int>(carCount.Item1.CarName, carCount.Item2));
                    record.Count += carCount.Item2;
                }
                list.Add(record);
            }
            return list;
        }

        public List<ReportDateOrdersViewModel> GetDateOrders()
        {
            return _orderStorage.GetFullList().GroupBy(x => x.DateCreate.Date).Select(x => new ReportDateOrdersViewModel
            {
                DateCreate = x.Key,
                CountOrders = x.Count(),
                SumOrders = x.Sum(y => y.Sum)
            }).ToList();
        }
        public void SaveDateOrdersToPdfFile(ReportBindingModel model)
        {
            _saveToPdf.CreateReportDateDoc(new PdfInfo
            {
                FileName = model.FileName,
                Title = "Заказы по датам",
                DateOrders = GetDateOrders()
            });
        }
    }
}