using AutomobilePlantBusinessLogic.OfficePackage;
using AutomobilePlantBusinessLogic.OfficePackage.HelperModels;
using AutomobilePlantContracts.BindingModels;
using AutomobilePlantContracts.BusinessLogicsContracts;
using AutomobilePlantContracts.SearchModel;
using AutomobilePlantContracts.StoragesContracts;
using AutomobilePlantContracts.ViewModel;

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

        private readonly ICarStorage _carStorage;

        private readonly IOrderStorage _orderStorage;

        private readonly AbstractSaveToExcel _saveToExcel;

        private readonly AbstractSaveToWord _saveToWord;

        private readonly AbstractSaveToPdf _saveToPdf;

        public ReportLogic(ICarStorage carStorage, IComponentStorage componentStorage, IOrderStorage orderStorage,
            AbstractSaveToExcel saveToExcel, AbstractSaveToWord saveToWord, AbstractSaveToPdf saveToPdf)
        {
            _carStorage = carStorage;
            _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<ReportCarComponentViewModel> GetCarComponent()
        {
            var components = _componentStorage.GetFullList();

            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, int)>(),
                    TotalCount = 0
                };
                foreach (var component in components)
                {
                    if (car.CarComponents.ContainsKey(component.Id))
                    {
                        record.Components.Add(new (component.ComponentName, car.CarComponents[component.Id].Item2));
                        record.TotalCount += car.CarComponents[component.Id].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,
                        CarName = x.CarName,
                        Status=x.Status.ToString(),
                        Sum = x.Sum
                    })
                    .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 компонент",
                Components = _componentStorage.GetFullList()
            });
        }

        /// <summary>
        /// Сохранение компонент с указаеним продуктов в файл-Excel
        /// </summary>
        /// <param name="model"></param>
        public void SaveCarComponentToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Список компонент",
                CarComponents = GetCarComponent()
            });
        }

        /// <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 = DateTime.SpecifyKind(model.DateFrom!.Value, DateTimeKind.Utc),
                DateTo = DateTime.SpecifyKind(model.DateTo!.Value, DateTimeKind.Utc),      
                Orders = GetOrders(model)
            });
        }
    }
}