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

namespace TypographyBusinessLogic.BusinessLogics
{
    public class ReportLogic : IReportLogic
    {
        private readonly IComponentStorage _componentStorage;
        private readonly IPrintedStorage _printedStorage;
        private readonly IOrderStorage _orderStorage;
        private readonly AbstractSaveToExcel _saveToExcel;
        private readonly AbstractSaveToWord _saveToWord;
        private readonly AbstractSaveToPdf _saveToPdf;
        public ReportLogic(IPrintedStorage printedStorage, IComponentStorage componentStorage, IOrderStorage orderStorage, AbstractSaveToExcel saveToExcel, AbstractSaveToWord saveToWord, AbstractSaveToPdf saveToPdf)
        {
            _printedStorage = printedStorage;
            _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<ReportPrintedComponentViewModel> GetPrintedComponents()
        {
            var printeds = _printedStorage.GetFullList();
            var list = new List<ReportPrintedComponentViewModel>();
            foreach (var printed in printeds)
            {
                var record = new ReportPrintedComponentViewModel
                {
                    PrintedName = printed.PrintedName,
                    Components = new List<(string Component, int Count)>(),
                    TotalCount = 0
                };
                foreach (var component in printed.PrintedComponents.Values)
                {
                    record.Components.Add((component.Item1.ComponentName, component.Item2));
                    record.TotalCount += component.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,
                PrintedName = x.PrintedName,
                Sum = x.Sum,
                Status = x.Status.ToString(),
            })
           .ToList();
        }
        /// <summary>
        /// Сохранение компонент в файл-Word
        /// </summary>
        /// <param name="model"></param>
        public void SavePrintedsToWordFile(ReportBindingModel model)
        {
            _saveToWord.CreateDoc(new WordInfo
            {
                FileName = model.FileName,
                Title = "Список изделий",
                Components = _componentStorage.GetFullList()
            });
        }
        /// <summary>
        /// Сохранение компонент с указаеним продуктов в файл-Excel
        /// </summary>
        /// <param name="model"></param>
        public void SavePrintedComponentToExcelFile(ReportBindingModel model)
        {
            _saveToExcel.CreateReport(new ExcelInfo
            {
                FileName = model.FileName,
                Title = "Список изделий",
                PrintedComponents = GetPrintedComponents()
            });
        }
        /// <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)
            });
        }
    }
}
