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

namespace ServiceSourceBusinessLogic.OfficePackage
{
    public abstract class AbstractSaveToExcel {
        public byte[]? CreateReport(ExcelInfo info) {
            CreateExcel(info);

            InsertCellInWorksheet(new ExcelCellParameters {
                ColumnName = "A",
                RowIndex = 1,
                Text = info.Title,
                StyleInfo = ExcelStyleInfoType.Title
            });

            MergeCells(new ExcelMergeParameters {
                CellFromName = "A1",
                CellToName = "C1"
            });

            uint rowIndex = 2;
            foreach (var work_client in info.WorksClients) {
                InsertCellInWorksheet(new ExcelCellParameters {
                    ColumnName = "A",
                    RowIndex = rowIndex,
                    Text = $"Номер работы: {work_client.WorkId}",
                    StyleInfo = ExcelStyleInfoType.Text
                });

                MergeCells(new ExcelMergeParameters {
                    CellFromName = $"A{rowIndex}",
                    CellToName = $"B{rowIndex}"
                });

                InsertCellInWorksheet(new ExcelCellParameters {
                    ColumnName = "C",
                    RowIndex = rowIndex,
                    Text = $"Дата работы: {work_client.Date}",
                    StyleInfo = ExcelStyleInfoType.Text
                });

                MergeCells(new ExcelMergeParameters {
                    CellFromName = $"C{rowIndex}",
                    CellToName = $"D{rowIndex}"
                });

                InsertCellInWorksheet(new ExcelCellParameters {
                    ColumnName = "E",
                    RowIndex = rowIndex,
                    Text = $"Стоимость: {work_client.Price}",
                    StyleInfo = ExcelStyleInfoType.Text
                });

                MergeCells(new ExcelMergeParameters {
                    CellFromName = $"E{rowIndex}",
                    CellToName = $"F{rowIndex}"
                });

                rowIndex++;
                foreach (var (client_id, client_fio) in work_client._Clients) {
                    InsertCellInWorksheet(new ExcelCellParameters {
                        ColumnName = "B",
                        RowIndex = rowIndex,
                        Text = $"Номер клиента: {client_id}",
                        StyleInfo = ExcelStyleInfoType.TextWithBorder
                    });

                    MergeCells(new ExcelMergeParameters {
                        CellFromName = $"B{rowIndex}",
                        CellToName = $"C{rowIndex}"
                    });

                    InsertCellInWorksheet(new ExcelCellParameters {
                        ColumnName = "D",
                        RowIndex = rowIndex,
                        Text = $"ФИО клиента: {client_fio}",
                        StyleInfo = ExcelStyleInfoType.TextWithBorder
                    });


                    MergeCells(new ExcelMergeParameters {
                        CellFromName = $"D{rowIndex}",
                        CellToName = $"E{rowIndex}"
                    });
                    rowIndex++;
                }

                InsertCellInWorksheet(new ExcelCellParameters {
                    ColumnName = "A",
                    RowIndex = rowIndex,
                    Text = $"Итого: {work_client.TotalCount}",
                    StyleInfo = ExcelStyleInfoType.Title
                });

                MergeCells(new ExcelMergeParameters {
                    CellFromName = $"A{rowIndex}",
                    CellToName = $"B{rowIndex}"
                });

                rowIndex++;
            }

            var document = SaveExcel(info);
            return document;
        }

        // Создание excel-файла
        protected abstract void CreateExcel(ExcelInfo info);

        // Добавляем новую ячейку в лист
        protected abstract void InsertCellInWorksheet(ExcelCellParameters excelCellParameters);

        // Объединение ячеек
        protected abstract void MergeCells(ExcelMergeParameters mergeParameters);

        // Сохранение файла
        protected abstract byte[]? SaveExcel(ExcelInfo info);
    }
}