package effects

import (
	"fmt"
	"git.aiterp.net/lucifer3/server/device"
	"time"
)

type Pattern struct {
	States      []device.State `json:"states"`
	AnimationMS int64          `json:"animationMs"`
}

func (e Pattern) State(index, _, round int) device.State {
	if len(e.States) == 0 {
		return device.State{}
	}

	return e.States[(index+round)%len(e.States)]
}

func (e Pattern) Frequency() time.Duration {
	return time.Duration(e.AnimationMS) * time.Millisecond
}

func (e Pattern) EffectDescription() string {
	return fmt.Sprintf("Pattern(states:%s, anim:%dms)", statesDescription(e.States), e.AnimationMS)
}