package action

import "git.sr.ht/~cco/go-scopes/lib"

type baseSpec struct {
	handler   lib.ActionHandler
	receivers []string
}

func (spec *baseSpec) Handler() lib.ActionHandler {
	return spec.handler
}

func (spec *baseSpec) Receivers() []string {
	return spec.receivers
}

func BaseSpec(hdlr lib.ActionHandler, rcvrs []string) *baseSpec {
	return &baseSpec{hdlr, rcvrs}
}

// action selection

func Select(ctx lib.Context, msg lib.Message) []lib.Action {
	var acts []lib.Action
	// act := action{ctx, spec, msg}
	// acts = append(acts, &act)
	return acts
}

// action

type action struct {
	ctx  lib.Context
	spec lib.ActionSpec
	msg  lib.Message
}

func (act *action) Context() lib.Context {
	return act.ctx
}

func (act *action) Spec() lib.ActionSpec {
	return act.spec
}

func (act *action) Message() lib.Message {
	return act.msg
}

func (act *action) Handle() bool {
	return act.spec.Handler()(act)
}

// predefined action handlers

func Forward(act lib.Action) bool {
	// Send(ctx, addr. msg)
	return true
}