package services

import (
	"app/internal/addons/excel"
	"app/internal/dialogs"
	"github.com/wailsapp/wails/v3/pkg/application"
	"strconv"
)

type ExcelModule struct{}

var ExcelService = application.NewService(&ExcelModule{})

func (s *ExcelModule) ImportAllEntities() error {
	postTypeService := PostTypeService{}
	filepath, err := dialogs.OpenFileDialog("Импорт данных")
	if err != nil {
		return err
	}
	err = excel.ImportFromSpreadsheet(filepath, excel.Importer{
		SheetName: "Тип поста",
		Loader: func(rowIndex int, row []string) error {
			id, err := strconv.Atoi(row[0])
			if err != nil {
				return err
			}

			_, err = postTypeService.Create(PostType{
				Id:   uint(id),
				Name: row[1],
			})
			if err != nil {
				return err
			}
			return nil
		},
	})
	if err != nil {
		return err
	}
	return nil
}

func (s *ExcelModule) ExportAllEntities() error {
	postService := PostService{}
	exporter := excel.Exporter[Post]{
		SheetName: "Посты",
		Entity:    Post{},
		Provider:  postService.GetAll,
	}
	err := excel.ExportEntitiesToSpreadsheet("report.xlsx", exporter)
	if err != nil {
		return err
	}
	return nil
}