package engine

import (
	"fmt"
	"github.com/imkira/go-observer"
	"sirlab.de/go/knyt/handler"
	"time"
)

type Engine struct {
	obs observer.Property
}

func NewEngine() *Engine {
	engine := Engine{
		obs: observer.NewProperty(handler.Value{}),
	}
	return &engine
}

func (engine *Engine) Run() {
	for {
		value := engine.obs.Value().(handler.Value)
		fmt.Printf("sleep: %d\n", value.VersionRef)
		time.Sleep(1 * time.Second)
		value.VersionRef++
		engine.obs.Update(value)
	}
}

func (engine *Engine) GetHttpHandler() handler.HandlerFunc {
	return handler.SyncFactory(engine.obs)
}