package elements

import (
	"image"
	"math"
	"mover/assets"
	"mover/gamedata"

	"github.com/hajimehoshi/ebiten/v2"
)

type FireBall struct {
	Sprite   *ebiten.Image
	position gamedata.Coordinates
	angle    float64
	velocity float64
	cycle    int
}

func NewFireBall(angle, velocity float64) *FireBall {
	fb := &FireBall{
		Sprite:   ebiten.NewImage(50, 50),
		cycle:    0,
		angle:    angle,
		velocity: velocity,
	}
	return fb
}

func (fb *FireBall) Update() error {

	fb.position.X += fb.velocity * math.Cos(fb.angle)
	fb.position.Y += fb.velocity * math.Sin(fb.angle)

	fb.cycle++
	return nil
}

func (fb *FireBall) Draw() {
	fb.Sprite.Clear()
	//fb.Sprite.Fill(color.RGBA{R: 0xff, G: 0x00, B: 0x00, A: 0xff})

	idx := fb.cycle / 8 % 5
	x0 := idx * 50
	x1 := x0 + 50
	y0 := 0
	y1 := 50

	fb.Sprite.DrawImage(assets.ImageBank[assets.Fireball].SubImage(image.Rect(x0, y0, x1, y1)).(*ebiten.Image), nil)
}

func (fb *FireBall) GetPosition() gamedata.Coordinates {
	return fb.position
}

func (fb *FireBall) SetPosition(pos gamedata.Coordinates) {
	fb.position = pos
}

func (fb *FireBall) SetTarget(gamedata.Coordinates) {

}

func (fb *FireBall) GetAngle() float64 {
	return fb.angle
}

func (fb *FireBall) GetVelocity() float64 {
	return fb.velocity
}

func (fb *FireBall) GetSprite() *ebiten.Image {
	return fb.Sprite
}

func (fb *FireBall) ClearTouched() {

}

func (fb *FireBall) ExplosionInitiated() bool {
	return false
}

func (fb *FireBall) GetEnemyState() gamedata.EnemyState {
	return gamedata.EnemyStateDefault
}

func (fb *FireBall) SetHit() {

}

func (fb *FireBall) SetToggle() {

}

func (fb *FireBall) IsToggled() bool {
	return false
}

func (fb *FireBall) SetTouched() {

}

func (fb *FireBall) IsTouched() bool {
	return false
}

func (fb *FireBall) SetExplosionInitiated() {

}

func (fb *FireBall) Health() int {
	return 0
}

func (fb *FireBall) MaxHealth() int {
	return 1
}