package main

import (
	"flag"
	"fmt"
	"log/slog"
	"os"

	"reanimator/internal/config"
	"reanimator/internal/repository/migrate"
)

func main() {
	directionFlag := flag.String("direction", string(migrate.Up), "migration direction: up|down")
	dryRun := flag.Bool("dry-run", true, "print discovered migrations only")
	flag.Parse()

	cfg, err := config.Load()
	if err != nil {
		slog.Error("load config failed", "err", err)
		os.Exit(1)
	}

	direction := migrate.Direction(*directionFlag)
	if direction != migrate.Up && direction != migrate.Down {
		slog.Error("invalid direction", "direction", *directionFlag)
		os.Exit(1)
	}

	runner := migrate.Runner{Dir: cfg.MigrationsDir}
	migrations, err := runner.Load(direction)
	if err != nil {
		slog.Error("load migrations failed", "err", err)
		os.Exit(1)
	}

	for _, migration := range migrations {
		fmt.Println(migration.Name)
	}

	if *dryRun {
		return
	}

	slog.Error("execution mode is not implemented yet; keep dry-run=true for now")
	os.Exit(1)
}