package db

import (
	"context"
	"database/sql"
	"errors"
	"log/slog"
	"spend-sparrow/internal/types"
)

var (
	ErrNotFound      = errors.New("the value does not exist")
	ErrAlreadyExists = errors.New("row already exists")
)

func TransformAndLogDbError(ctx context.Context, module string, r sql.Result, err error) error {
	if err != nil {
		if errors.Is(err, sql.ErrNoRows) {
			return ErrNotFound
		}
		slog.ErrorContext(ctx, "database sql", "module", module, "err", err)
		return types.ErrInternal
	}

	if r != nil {
		rows, err := r.RowsAffected()
		if err != nil {
			slog.ErrorContext(ctx, "database rows affected", "module", module, "err", err)
			return types.ErrInternal
		}

		if rows == 0 {
			slog.InfoContext(ctx, "row not found", "module", module)
			return ErrNotFound
		}
	}

	return nil
}