package embed

import (
	_ "embed"
	"fmt"
)

//go:embed embedded-roots/1.root-dev.json
var devRoot []byte

//go:embed embedded-roots/1.root-staging.json
var stagingRoot []byte

//go:embed embedded-roots/1.root.json
var prodRoot []byte

var defaultRoot = prodRoot

type (
	RootName     string
	EmbeddedRoot struct {
		Data []byte
		Name RootName
	}
)

var (
	RootDev     = EmbeddedRoot{Data: devRoot, Name: "dev"}
	RootStaging = EmbeddedRoot{Data: stagingRoot, Name: "staging"}
	RootProd    = EmbeddedRoot{Data: prodRoot, Name: "prod"}
	RootDefault = EmbeddedRoot{Data: defaultRoot, Name: ""}
)

func GetRootFromName(root string) (*EmbeddedRoot, error) {
	switch root {
	case string(RootDev.Name):
		return &RootDev, nil
	case string(RootStaging.Name):
		return &RootStaging, nil
	case string(RootProd.Name):
		return &RootProd, nil
	case string(RootDefault.Name):
		return &RootDefault, nil
	default:
		return nil, fmt.Errorf("invalid tuf root: %s", root)
	}
}