package effects

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

type Random struct {
	States      []device.State `json:"states,omitempty"`
	Interpolate bool           `json:"interpolate,omitempty"`
	AnimationMS int64          `json:"animationMs,omitempty"`
}

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

	return gradientStateFactor(e.States, e.Interpolate, rand.Float64())
}

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

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