package base

import (
	"github.com/hashicorp/nomad/plugins/shared/hclspec"
)

// BasePlugin is the interface that all Nomad plugins must support.
type BasePlugin interface {
	// PluginInfo describes the type and version of a plugin.
	PluginInfo() (*PluginInfoResponse, error)

	// ConfigSchema returns the schema for parsing the plugins configuration.
	ConfigSchema() (*hclspec.Spec, error)

	// SetConfig is used to set the configuration by passing a MessagePack
	// encoding of it.
	SetConfig(data []byte) error
}

// PluginInfoResponse returns basic information about the plugin such that Nomad
// can decide whether to load the plugin or not.
type PluginInfoResponse struct {
	// Type returns the plugins type
	Type string

	// PluginApiVersion returns the version of the Nomad plugin API it is built
	// against.
	PluginApiVersion string

	// PluginVersion is the version of the plugin.
	PluginVersion string

	// Name is the plugins name.
	Name string
}