package capabilities

import (
	// stdlib
	"log"

	// local
	"develop.pztrn.name/gonews/gonews/eventer"
	"develop.pztrn.name/gonews/gonews/networker"
)

var capabilities = []string{
	"VERSION 2",
}

func Initialize() {
	log.Println("Initializing capabilities command...")

	eventer.AddEventHandler(&eventer.EventHandler{
		Command: "internal/capability_add",
		Handler: addCapability,
	})

	eventer.AddEventHandler(&eventer.EventHandler{
		Command: "commands/capabilities",
		Handler: handler,
	})
}

func addCapability(data interface{}) interface{} {
	capabilities = append(capabilities, data.(string))

	return nil
}

func handler(data interface{}) interface{} {
	dataToReturn := "Capability list:\r\n"

	for _, cap := range capabilities {
		dataToReturn += cap + "\r\n"
	}
	dataToReturn += ".\r\n"
	return &networker.Reply{Code: "101", Data: dataToReturn}
}