using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using VeterinaryClinicBusinessLogic.OfficePackage;
using VeterinaryClinicBusinessLogic.OfficePackage.HelperModels;
using VeterinaryClinicContracts.BindingModels;
using VeterinaryClinicContracts.BusinessLogicsContracts;
using VeterinaryClinicContracts.SearchModels;
using VeterinaryClinicContracts.StorageContracts;
using VeterinaryClinicContracts.ViewModels;

namespace VeterinaryClinicBusinessLogic.BusinessLogics
{
    public class ReportLogic : IReportLogic
    {
        private readonly IMedicineStorage _MedicineStorage;
        private readonly IOrderStorage _orderStorage;
        private readonly AbstractSaveToExcel _saveToExcel;
        private readonly AbstractSaveToWord _saveToWord;
        private readonly AbstractSaveToPdf _saveToPdf;
        public ReportLogic(IMedicineStorage MedicineStorage, IOrderStorage orderStorage,
        AbstractSaveToExcel saveToExcel, AbstractSaveToWord saveToWord, AbstractSaveToPdf saveToPdf)
        {
            _MedicineStorage = MedicineStorage;
            _orderStorage = orderStorage;
            _saveToExcel = saveToExcel;
            _saveToWord = saveToWord;
            _saveToPdf = saveToPdf;
        }
        public List<ReportMedicineMedicationViewModel> GetMedicineMedication()
        {
            var Medicines = _MedicineStorage.GetFullList();
            var list = new List<ReportMedicineMedicationViewModel>();
            foreach (var Medicine in Medicines)
            {
                var record = new ReportMedicineMedicationViewModel
                {
                    MedicineName = Medicine.MedicineName,
                    Medications = new List<(string, int)>(),
                    TotalCount = 0
                };
                foreach (var Medication in Medicine.MedicineMedications)
                {
                    record.Medications.Add(new(Medication.Value.Item1.MedicationName, Medication.Value.Item2));
                    record.TotalCount += Medication.Value.Item2;
                }
                list.Add(record);
            }
            return list;
        }
        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,
                MedicineName = x.MedicineName,
                Sum = x.Sum,
                OrderStatus = x.Status.ToString()
            })
           .ToList();
        }
        public void SaveMedicinesToWordFile(ReportBindingModel model)
        {
            _saveToWord.CreateDoc(new WordInfo
            {
                FileName = model.FileName,
                Title = "Список изделий",
                Medicines = _MedicineStorage.GetFullList()
            });
        }
        public void SaveMedicineMedicationToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Список изделий",
                MedicineMedications = GetMedicineMedication()
            });
        }
        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),
            });
        }
    }
}