package utils

import (
	"database/sql"
	"errors"
	"log/slog"
	"me-fit/types"

	"github.com/golang-migrate/migrate/v4"
	"github.com/golang-migrate/migrate/v4/database/sqlite3"
	_ "github.com/golang-migrate/migrate/v4/source/file"
)

func RunMigrations(db *sql.DB, pathPrefix string) error {
	driver, err := sqlite3.WithInstance(db, &sqlite3.Config{})
	if err != nil {
		slog.Error("Could not create Migration instance: " + err.Error())
		return types.ErrInternal
	}

	m, err := migrate.NewWithDatabaseInstance(
		"file://"+pathPrefix+"migration/",
		"",
		driver)
	if err != nil {
		slog.Error("Could not create migrations instance: " + err.Error())
		return types.ErrInternal
	}

	err = m.Up()
	if err != nil {
		if !errors.Is(err, migrate.ErrNoChange) {
			slog.Error("Could not run migrations: " + err.Error())
			return types.ErrInternal
		}
	}

	return nil
}