package ui

import (
	"github.com/hajimehoshi/ebiten/v2"
	"muhq.space/muhqs-game/go/assets"
)

type CardView struct {
	WidgetBase
	cardPath string
}

func NewScaledCardView(x, y int, width, height int, cardPath string) *CardView {
	cv := &CardView{NewWidgetBase(x, y, width, height), cardPath}
	cv.renderImpl = func() *ebiten.Image { return cv.render() }
	return cv
}

func NewAutoCardView(x, y int, cardPath string) *CardView {
	cv := &CardView{NewWidgetBase(x, y, -1, -1), cardPath}
	cv.renderImpl = func() *ebiten.Image { return cv.render() }
	return cv
}

func (cv *CardView) render() *ebiten.Image {
	card := assets.GetCard(cv.cardPath, "en")
	op := &ebiten.DrawImageOptions{}

	b := card.Bounds()
	if cv.Width == -1 && cv.Height == -1 {
		cv.Width = b.Dx()
		cv.Height = b.Dy()
	} else {
		x_scale := float64(cv.Width) / float64(b.Dx())
		y_scale := float64(cv.Height) / float64(b.Dy())
		scale := x_scale
		if y_scale < x_scale {
			scale = y_scale
		}
		op.GeoM.Scale(scale, scale)
	}

	img := ebiten.NewImage(cv.Width, cv.Height)
	img.DrawImage(card, op)
	return img
}