package net.shadowfacts.cacao.view.button

import net.minecraft.util.Identifier
import net.shadowfacts.cacao.geometry.Point
import net.shadowfacts.cacao.geometry.Size
import net.shadowfacts.cacao.util.MouseButton
import net.shadowfacts.cacao.util.texture.Texture
import net.shadowfacts.cacao.view.TextureView

/**
 * A button for toggling between on/off states.
 *
 * @author shadowfacts
 * @param initialState Whether the button starts as on or off.
 */
class ToggleButton(initialState: Boolean): AbstractButton<ToggleButton>(TextureView(if (initialState) ON else OFF).apply {
	intrinsicContentSize = Size(19.0, 19.0)
}, padding = 0.0) {

	companion object {
		val ON = Texture(Identifier("asmr", "textures/gui/toggle.png"), 0, 0)
		val OFF = Texture(Identifier("asmr", "textures/gui/toggle.png"), 0, 19)
	}

	private val textureView: TextureView
		get() = content as TextureView

	/**
	 * The button's current on/off state.
	 * Updating this property updates the button's texture.
	 */
	var state: Boolean = initialState
		set(value) {
			field = value
			textureView.texture = if (value) ON else OFF
		}

	override fun mouseClicked(point: Point, mouseButton: MouseButton): Boolean {
		if (!disabled && (mouseButton == MouseButton.LEFT || mouseButton == MouseButton.RIGHT)) {
			state = !state
		}

		return super.mouseClicked(point, mouseButton)
	}

}