using FurnitureAssemblyBusinessLogic.OfficePackage.HelperEnums;
using FurnitureAssemblyBusinessLogic.OfficePackage.HelperModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FurnitureAssemblyBusinessLogic.OfficePackage
{
    public abstract class AbstractSaveToPdf
    {
        // Публичный метод создания документа. Описание методов ниже
        public void CreateDoc(PdfInfo info)
        {
            CreatePdf(info);

            CreateParagraph(new PdfParagraph
            {
                Text = info.Title,
                Style = "NormalTitle",
                ParagraphAlignment = PdfParagraphAlignmentType.Center
            });

            CreateParagraph(new PdfParagraph
            {
                Text = $"с {info.DateFrom.ToShortDateString()} по {info.DateTo.ToShortDateString()}",
                Style = "Normal",
                ParagraphAlignment = PdfParagraphAlignmentType.Center
            });

            CreateTable(new List<string> { "2cm", "3cm", "6cm", "3cm", "3cm" });

            CreateRow(new PdfRowParameters
            {
                Texts = new List<string> { "Номер", "Дата заказа", "Изделие", "Сумма", "Статус заказа" },
                Style = "NormalTitle",
                ParagraphAlignment = PdfParagraphAlignmentType.Center
            });

            foreach (var order in info.Orders)
            {
                CreateRow(new PdfRowParameters
                {
                    Texts = new List<string> { order.Id.ToString(), order.DateCreate.ToShortDateString(), order.FurnitureName, order.Sum.ToString(), order.OrderStatus },
                    Style = "Normal",
                    ParagraphAlignment = PdfParagraphAlignmentType.Left
                });
            }

            CreateParagraph(new PdfParagraph
            {
                Text = $"\nИтого: {info.Orders.Sum(x => x.Sum)}\t",
                Style = "Normal",
                ParagraphAlignment = PdfParagraphAlignmentType.Right
            });

            SavePdf(info);
        }

        public void CreateGroupedDoc(PdfInfo info)
        {
            CreatePdf(info);

            CreateParagraph(new PdfParagraph { Text = info.Title, Style = "NormalTitle", ParagraphAlignment = PdfParagraphAlignmentType.Center });

            CreateTable(new List<string> { "3cm", "3cm", "3cm" });

            CreateRow(new PdfRowParameters
            {
                Texts = new List<string> { "Дата заказа", "Количество заказов", "Сумма" },
                Style = "NormalTitle",
                ParagraphAlignment = PdfParagraphAlignmentType.Center
            });

            foreach (var order in info.GroupedOrders)
            {
                CreateRow(new PdfRowParameters
                {
                    Texts = new List<string> { order.DateCreate.ToShortDateString(), order.Count.ToString(), order.Sum.ToString() },
                    Style = "Normal",
                    ParagraphAlignment = PdfParagraphAlignmentType.Left
                });
            }

            CreateParagraph(new PdfParagraph { Text = $"Итого: {info.GroupedOrders.Sum(x => x.Sum)}\t", Style = "Normal", ParagraphAlignment = PdfParagraphAlignmentType.Center });

            SavePdf(info);
        }

        /// Создание Pdf-файла
        protected abstract void CreatePdf(PdfInfo 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 void SavePdf(PdfInfo info);
    }
}
