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

namespace ComputerShopBusinessLogic.BusinessLogics
{
    public class ReportLogic : IReportLogic
    {
        private readonly IComponentStorage _componentStorage;
        private readonly IComputerStorage _productStorage;
        private readonly IOrderStorage _orderStorage;
        private readonly AbstractSaveToExcel _saveToExcel;
        private readonly AbstractSaveToWord _saveToWord;
        private readonly AbstractSaveToPdf _saveToPdf;
        public ReportLogic(IComputerStorage productStorage, IComponentStorage
        componentStorage, IOrderStorage orderStorage,
        AbstractSaveToExcel saveToExcel, AbstractSaveToWord saveToWord,
        AbstractSaveToPdf saveToPdf)
        {
            _productStorage = productStorage;
            _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<ReportComputerComponentViewModel> GetComputerComponent()
        {
            var components = _componentStorage.GetFullList();
            var computers = _productStorage.GetFullList();
            var list = new List<ReportComputerComponentViewModel>();
            foreach (var computer in computers)
            {
                var record = new ReportComputerComponentViewModel
                {
                    ComputerName = computer.ComputerName,
                    Components = new List<Tuple<string, int>>(),
                    TotalCount = 0
                };
                foreach (var component in components)
                {
                    if (computer.ComputerComponents.ContainsKey(component.Id))
                    {
                        record.Components.Add(new Tuple<string, int>(component.ComponentName, computer.ComputerComponents[component.Id].Item2));
                        record.TotalCount += computer.ComputerComponents[component.Id].Item2;
                    }
                }
                list.Add(record);
            }
            return list;
        }
        /// <summary>
        /// Получение списка заказов за определенный период
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public List<ReportOrderViewModel> GetOrders(ReportBindingModel model)
        {
            return _orderStorage.GetFilteredList(new OrderSearchModel
            {
                DateFrom
            = model.DateFrom,
                DateTo = model.DateTo
            })
            .Select(x => new ReportOrderViewModel
            {
                Id = x.Id,
                DateCreate = x.DateCreate,
                ComputerName = x.ComputerName,
                Sum = x.Sum,
                Status = x.Status.ToString()
            })
            .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 компьютеров",
                Computers = _productStorage.GetFullList()
            });
        }
        /// <summary>
        /// Сохранение компонент с указаеним продуктов в файл-Excel
        /// </summary>
        /// <param name="model"></param>
        public void SaveComputerComponentToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Список компонент",
                ComputerComponents = GetComputerComponent()
            });
        }
        /// <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)
            });
        }
    }
}