package main

import (
	"errors"
	"fmt"
	"log"

	"github.com/digitalcircle-com-br/events"
)

func main() {
	//ensure errors will be handled
	events.OnErr(func(e events.ErrMsg) {
		log.Printf("ERROR: %s\n%s", e.Err.Error(), string(e.Stack))
	})

	//reacts to event a
	events.On("a", func(s string) {
		log.Printf("(a) Got: " + s)
	})

	//reacts to event b
	events.On("b", func(s string) {
		log.Printf("(b) Got: " + s)
	})

	//fires some events
	for i := 0; i < 10; i++ {
		events.Fire("a", fmt.Sprintf("A: %v", i))
		events.Fire("b", fmt.Sprintf("B: %v", i))
	}
	err := errors.New("some")
	
	//This is why events.Err returns bool :)
	if events.Err(err) {
		//also handle your event in the flow...
		log.Printf("Got error: %s", err.Error())
	}
	
	events.CloseAll()
	//waits for events to end
	events.Wait()
}