package gobot

import (
	"math/rand"
	"net"
	"time"
)

func Every(t string, f func()) {
	dur := parseDuration(t)
	go func() {
		for {
			time.Sleep(dur)
			go f()
		}
	}()
}

func After(t string, f func()) {
	dur := parseDuration(t)
	go func() {
		time.Sleep(dur)
		f()
	}()
}

func parseDuration(t string) time.Duration {
	return ParseDuration(t)
}
func ParseDuration(t string) time.Duration {
	dur, err := time.ParseDuration(t)
	if err != nil {
		panic(err)
	}
	return dur
}

func Random(min int, max int) int {
	rand.Seed(time.Now().UTC().UnixNano())
	return rand.Intn(max-min) + min
}

func On(cs chan interface{}) interface{} {
	for s := range cs {
		return s
	}
	return nil
}

func Work(robots []Robot) {
	for s := range robots {
		go robots[s].Start()
	}
	for {
		time.Sleep(10 * time.Millisecond)
	}
}

func ConnectTo(port string) net.Conn {
	tcpPort, err := net.Dial("tcp", port)
	if err != nil {
		panic(err)
	}
	return tcpPort
}