package blocks

import (
	"git.vezzani.net/ben/games/common/elements/v1"
	"git.vezzani.net/ben/games/common/elements/v1/base"

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

type Builder elements.Builder

func New(ops ...OptFunc) Builder {
	return func() elements.Element {
		b := Block{}
		for i := range ops {
			ops[i](&b)
		}
		return &b
	}
}

type Block struct {
	base.Element
	width, height int
	name          string
}

func (b *Block) Bounds() elements.Bounds {
	return elements.Bounds{
		Min:    b.Anchor(),
		Width:  b.width,
		Height: b.height,
	}
}

func (b *Block) Size() (w, h int) {
	return b.width, b.height
}

func (b *Block) Draw(image *ebiten.Image) {
	bnd := b.Bounds()
	if b.BackgroundColor() != nil {
		vector.DrawFilledRect(
			image,
			float32(b.Anchor().X),
			float32(b.Anchor().Y),
			float32(bnd.Width),
			float32(bnd.Height),
			*b.backgroundColor,
			true,
		)
	}
	return
}