package config

import (
	"os"
	"path/filepath"
)

// Config holds paths to databases.
type Config struct {
	RegistryDB   string // Path to registry.db
	OperationsDB string // Path to operations.db
	RegistryRoot string // Root directory of the registry (for resolving file paths)
}

// Default returns a Config resolved from environment or sensible defaults.
func Default() Config {
	root := os.Getenv("FN_REGISTRY_ROOT")
	if root == "" {
		root = "."
	}

	return Config{
		RegistryDB:   filepath.Join(root, "registry.db"),
		OperationsDB: filepath.Join(root, "operations.db"),
		RegistryRoot: root,
	}
}