package user

import (
	"context"
	"database/sql"
	"errors"

	"github.com/google/uuid"
	"github.com/uptrace/bun"
)

type Service struct {
	db *bun.DB
}

func NewService(db *bun.DB) *Service {
	return &Service{
		db: db,
	}
}

func (s *Service) UserByID(ctx context.Context, id uuid.UUID) (*User, error) {
	var user User
	err := s.db.NewSelect().Model(&user).Where("id = ?", id).Scan(ctx)
	if err != nil {
		if errors.Is(err, sql.ErrNoRows) {
			return nil, newNotFoundError(id)
		}
		return nil, err
	}
	return &user, nil
}