package effects

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

type Solid struct {
	States      []device.State `json:"states"`
	AnimationMS int64          `json:"animationMs"`
	Interleave  int            `json:"interleave"`
}

func (e Solid) State(_, length, round int) device.State {
	if len(e.States) == 0 {
		return device.State{}
	}
	if len(e.States) == 1 {
		return e.States[0]
	}

	interleave := e.Interleave + 1
	if interleave < 1 {
		interleave = 1
	}

	if interleave > 1 {
		calcIndex := round % (len(e.States) * interleave)
		return gradientState(append(e.States, e.States[0]), e.Interleave != 0, calcIndex, len(e.States)*interleave+1)
	} else {
		calcIndex := round % len(e.States)
		return gradientState(e.States, e.Interleave != 0, calcIndex, len(e.States)*interleave)
	}
}

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

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