using ElectronicsShopBusinessLogic.OfficePackage.HelperEnums;
using ElectronicsShopBusinessLogic.OfficePackage.HelperModels;
using MigraDoc.DocumentObjectModel;
using PdfSharp.Pdf;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ElectronicsShopBusinessLogic.OfficePackage
{
    public abstract class AbstractSaveToPdfClient {
        public PdfDocument CreteDoc (PdfInfoClient info) {
            CretePdf(info);

            CreateParagraph(new PdfParagraph {
                Text = info.Title,
                Style = "NormalTitle",
                alignmentType = PdfParagraphAlignmentType.Center,
            });
            CreateParagraph(new PdfParagraph {
                Text = $"C {info.DateFrom.ToShortDateString()} по {info.DateTo.ToShortDateString()}",
                Style = "Normal",
                alignmentType = PdfParagraphAlignmentType.Right
            });

            List<int> PaymentsID = new List<int>();
            foreach (var pr in info.Products) {
                int id = pr.PaymentID;
                if (PaymentsID.Contains(id) == false) {
                    PaymentsID.Add(id);
                }
            }

            foreach (int id in PaymentsID) {
                CreateParagraph(new PdfParagraph {
                    Text = $"Номер оплаты: {id}",
                    Style = "Normal",
                    alignmentType = PdfParagraphAlignmentType.Left,
                });
				CreateTable(new List<string> { "2cm", "4cm", "2cm", "4cm", "4cm" });

				CreateRow(new PdfRowParameters {
					Text = new List<string> { "Номер товара", "Товар", "Цена", "Количество", "Статья затрат" },
					Style = "NormalTittle",
					alignmentType = PdfParagraphAlignmentType.Center,
				});

                double sum = 0;
                foreach (var products in info.Products) {
                    if (products.PaymentID == id) {
                        sum += products.Price * products.count;
						CreateRow(new PdfRowParameters {
							Text = new List<string> { products.ID.ToString(), products.ProductName.ToString(), 
                                (products.Price * products.count).ToString(), products.count.ToString() ,products.CostItemName.ToString()},
							Style = "Normal",
							alignmentType = PdfParagraphAlignmentType.Left,
						});
					}
                }
				CreateParagraph(new PdfParagraph {
					Text = $"Итого: {sum}\t",
					Style = "Normal",
					alignmentType = PdfParagraphAlignmentType.Right
				});
			}
            
			var document = SavePdf(info);
            return document;
		}

        // Создание doc-файла
        protected abstract void CretePdf (PdfInfoClient info);
        // Создание параграфа с текстом
        protected abstract void CreateParagraph(PdfParagraph paragraph);
        // Создание таблицы 
        protected abstract void CreateTable(List<string> columns);
        // Создание и заполнение строки
        protected abstract void CreateRow(PdfRowParameters rowParameters);
        // Сохранение файла
        protected abstract PdfDocument SavePdf(PdfInfoClient info);
    }
}