// Package admin deals with the parsing and creation of admin.yml files.
package admin

import (
	"isle/garage"
	"isle/nebula"
	"io"

	"gopkg.in/yaml.v3"
)

// CreationParams are general parameters used when creating a new network. These
// are available to all hosts within the network via their bootstrap files.
type CreationParams struct {
	ID     string `yaml:"id"`
	Name   string `yaml:"name"`
	Domain string `yaml:"domain"`
}

// Admin is used for accessing all information contained within an admin.yml.
type Admin struct {
	CreationParams CreationParams `yaml:"creation_params"`

	Nebula struct {
		CACredentials nebula.CACredentials `yaml:"ca_credentials"`
	} `yaml:"nebula"`

	Garage struct {
		RPCSecret                    string                  `yaml:"rpc_secret"`
		GlobalBucketS3APICredentials garage.S3APICredentials `yaml:"global_bucket_s3_api_credentials"`
	} `yaml:"garage"`
}

// FromReader reads an admin.yml from the given io.Reader.
func FromReader(r io.Reader) (Admin, error) {
	var a Admin
	err := yaml.NewDecoder(r).Decode(&a)
	return a, err
}

// WriteTo writes the Admin as an admin.yml to the given io.Writer.
func (a Admin) WriteTo(into io.Writer) error {
	return yaml.NewEncoder(into).Encode(a)
}