package blocks

import (
	"image/color"

	"git.vezzani.net/ben/games/common/elements/v1"
	"git.vezzani.net/ben/games/common/elements/v1/mouse"
	"github.com/hajimehoshi/ebiten/v2"
	"github.com/hajimehoshi/ebiten/v2/vector"
)

func New(ops ...Option) elements.ElementFunc {
	return func(d elements.Bounds) elements.Element {
		b := Block{
			ContainerBounds: d,
		}
		for i := range ops {
			ops[i](&b)
		}
		return &b
	}
}

type Block struct {
	ContainerBounds elements.Bounds
	backgroundColor *color.Color
	mouse.NopHandler
	width  float64
	height float64
	name   string
}

func (b *Block) Size() (w, h float64) {
	w, h = b.ContainerBounds.Width, b.ContainerBounds.Height
	if b.width != 0 {
		w = b.width
	}
	if b.height != 0 {
		h = b.height
	}
	return
}

func (b *Block) Draw(image *ebiten.Image) (w, h float64) {
	w, h = b.Size()
	if b.backgroundColor != nil {
		vector.DrawFilledRect(
			image,
			float32(b.ContainerBounds.Min.X),
			float32(b.ContainerBounds.Min.Y),
			float32(w),
			float32(h),
			*b.backgroundColor,
			true,
		)
	}
	return
}