using demo_trade.UI.Presenters;
using iText.IO.Font.Constants;
using iText.Kernel.Font;
using iTextSharp.text;
using iTextSharp.text.pdf;
using Microsoft.EntityFrameworkCore.Metadata.Internal;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using PdfFont = iText.Kernel.Font.PdfFont;

namespace demo_trade.Models
{
    public class Ticket
    {
        public int OrderID { get; set; }
        public string PickupPointName{ get; set; }
        public decimal OrderSumCost{ get; set; }
        public string? ClientName { get; set; } = null;
        public DateOnly OrderDate { get; set; }
        public DateOnly OrderDelivery { get; set; }

        public List<OrderProductPresenter> Products { get; set; }

        public int OrderCode { get; set; }

        public void GeneratePDF(string path) {
            using var document = new Document();
            PdfWriter.GetInstance(document, new FileStream(path, FileMode.OpenOrCreate));
            document.Open();
            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
            BaseFont baseFont = BaseFont.CreateFont("C:\\Windows\\Fonts\\arial.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);

            Font font = new Font(baseFont, iTextSharp.text.Font.DEFAULTSIZE, iTextSharp.text.Font.NORMAL);
            Font fontCode = new Font(baseFont, iTextSharp.text.Font.DEFAULTSIZE, iTextSharp.text.Font.BOLD);

            Paragraph paragraph = new  Paragraph(String.Format("Order №{0} Create {1} Data delivery {2}\nПункт выдачи: {3}\nСумма заказа: {4}", OrderID, OrderDate, OrderDelivery, PickupPointName, OrderSumCost), font);
            if (ClientName != null) paragraph.Add(String.Format("\nClient name: {0}", ClientName));
            document.Add(paragraph);
            foreach (OrderProductPresenter presenter in Products) {

                document.Add(new Phrase(String.Format("Article: {0}, Name: {2}, Count: {1}\n", presenter.ArticleNumber, presenter.ProductCount, presenter.Name), font));
            }
            GenerateCode();
            document.Add(new Paragraph(String.Format("Code: {0}", OrderCode), fontCode));
            document.Close();
        }

        private void GenerateCode() {
            OrderCode = new Random().Next(100, 999);
        }
    }
}