package main

import (
	"fmt"
	"log"
	"os"
	"path/filepath"

	"github.com/alexei/docker-watcher/internal/config"
	"github.com/alexei/docker-watcher/internal/store"
)

func main() {
	dataDir := envOrDefault("DATA_DIR", "./data")

	if err := os.MkdirAll(dataDir, 0o755); err != nil {
		log.Fatalf("create data directory: %v", err)
	}

	dbPath := filepath.Join(dataDir, "docker-watcher.db")
	db, err := store.New(dbPath)
	if err != nil {
		log.Fatalf("open store: %v", err)
	}
	defer db.Close()

	// Import seed config on first launch (idempotent — skipped if DB has data).
	seedPath := envOrDefault("SEED_FILE", "./docker-watcher.yaml")
	if err := config.ImportSeed(db, seedPath); err != nil {
		log.Fatalf("seed import: %v", err)
	}

	fmt.Printf("Docker Watcher started. Database: %s\n", dbPath)

	// Future phases will wire up the HTTP server, deployer, poller, etc.
}

// envOrDefault reads an environment variable or returns the fallback value.
func envOrDefault(key, fallback string) string {
	if v := os.Getenv(key); v != "" {
		return v
	}
	return fallback
}