package sheet

import (
	"context"
	"errors"
	"recipe-manager/config"

	"google.golang.org/api/option"
	"google.golang.org/api/sheets/v4"
)

type SheetService interface {
	GetSheet(ctx context.Context, sheetID string) [][]interface{}
}

type sheetService struct {
	service *sheets.Service
}

func NewSheetService(ctx context.Context, cfg *config.ServerConfig) (SheetService, error) {

	if cfg.APIKey == "" {
		return nil, errors.New("API_KEY is empty")
	}

	service, err := sheets.NewService(ctx, option.WithAPIKey(cfg.APIKey))

	if err != nil {
		return nil, err
	}

	return &sheetService{
		service: service,
	}, nil
}

func (s *sheetService) GetSheet(ctx context.Context, sheetID string) [][]interface{} {
	spreadSheet, err := s.service.Spreadsheets.Get(sheetID).Do()

	if err != nil {
		panic(err)
	}

	var sheetIndex int
	for i, sheet := range spreadSheet.Sheets {
		// print data collumn C
		if sheet.Properties.Title == "menu-name" {
			sheetIndex = i
			break
		}
	}

	sheet, err := s.service.Spreadsheets.Values.Get(sheetID, spreadSheet.Sheets[sheetIndex].Properties.Title).Do()

	if err != nil {
		panic(err)
	}

	result := [][]interface{}{}

	for _, row := range sheet.Values {
		if len(row) >= 6 {
			result = append(result, row)
		}
	}

	return result
}