using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TravelCompanyBusinessLogic.BusinessLogic.OfficePackage.HelperModels;
using TravelCompanyBusinessLogic.OfficePackage;
using TravelCompanyBusinessLogic.OfficePackage.HelperModels;
using TravelCompanyContracts.BindingModels;
using TravelCompanyContracts.BusinessLogicsContracts;
using TravelCompanyContracts.SearchModels;
using TravelCompanyContracts.StoragesContracts;
using TravelCompanyContracts.ViewModels;

namespace TravelCompanyBusinessLogic.BusinessLogic
{
    public class ReportLogic : IReportLogic
    {
        private readonly IConditionStorage _conditionStorage;
        private readonly ITravelStorage _travelStorage;
        private readonly IOrderStorage _orderStorage;
        private readonly AbstractSaveToExcel _saveToExcel;
        private readonly AbstractSaveToWord _saveToWord;
        private readonly AbstractSaveToPdf _saveToPdf;
        public ReportLogic(ITravelStorage travelStorage, IConditionStorage
       conditionStorage, IOrderStorage orderStorage,
        AbstractSaveToExcel saveToExcel, AbstractSaveToWord saveToWord,
       AbstractSaveToPdf saveToPdf)
        {
            _travelStorage = travelStorage;
            _conditionStorage = conditionStorage;
            _orderStorage = orderStorage;
            _saveToExcel = saveToExcel;
            _saveToWord = saveToWord;
            _saveToPdf = saveToPdf;
        }
        /// <summary>
        /// Получение списка компонент с указанием, в каких изделиях используются
        /// </summary>
        /// <returns></returns>
        public List<ReportTravelConditionViewModel> GetTravelCondition()
        {
            var conditions = _conditionStorage.GetFullList();
            var travels = _travelStorage.GetFullList();
            var list = new List<ReportTravelConditionViewModel>();
            foreach (var travel in travels)
            {
                var record = new ReportTravelConditionViewModel
                {
                    TravelName = travel.TravelName,
                    Conditions = new List<Tuple<string, int>>(),
                    TotalCount = 0
                };
                foreach (var condition in conditions)
                {
                    if (travel.TravelConditions.ContainsKey(condition.Id))
                    {
                        record.Conditions.Add(new(condition.ConditionName, travel.TravelConditions[condition.Id].Item2));
                        record.TotalCount +=
                       travel.TravelConditions[condition.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,
                TravelName = x.TravelName,
                Sum = x.Sum,
                Status = x.Status.ToString(),
            })
           .ToList();
        }
        /// <summary>
        /// Сохранение компонент в файл-Word
        /// </summary>
        /// <param name="model"></param>
        public void SaveTravelsToWordFile(ReportBindingModel model)
        {
            _saveToWord.CreateDoc(new WordInfo
            {
                FileName = model.FileName,
                Title = "Список путешествий",
                Travels = _travelStorage.GetFullList()
            });
        }
        /// <summary>
        /// Сохранение компонент с указаеним продуктов в файл-Excel
        /// </summary>
        /// <param name="model"></param>
        public void SaveTravelConditionToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Список путешествий",
                TravelConditions = GetTravelCondition()
            });
        }
        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)
            });
        }

    }

}