package db

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

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

type migrationLogger struct{}

func (l migrationLogger) Printf(format string, v ...any) {
	slog.Info(format, v...)
}
func (l migrationLogger) Verbose() bool {
	return false
}

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

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

	m.Log = migrationLogger{}

	if err = m.Up(); err != nil && !errors.Is(err, migrate.ErrNoChange) {
		slog.ErrorContext(ctx, "Could not run migrations", "err", err)
		return types.ErrInternal
	}

	return nil
}