extends BaseButton

export var brush_type = 0 # Global.Brush_Types.PIXEL
export var custom_brush_index := -3
# warning-ignore:unused_class_variable
var random_brushes := []

func _on_BrushButton_pressed() -> void:
	# Delete the brush on middle mouse press
	if Input.is_action_just_released("middle_mouse"):
		_on_DeleteButton_pressed()
		return

	# Change left brush
	if Global.brush_type_window_position == "left":
		Global.current_left_brush_type = brush_type
		Global.custom_left_brush_index = custom_brush_index
		if custom_brush_index > -1: # Custom brush
			if Global.current_left_tool == "Pencil" or Global.current_left_tool == "Bucket":
				Global.left_color_interpolation_container.visible = true
#			if hint_tooltip == "":
#				Global.left_brush_type_label.text = tr("Custom brush")
#			else:
#				Global.left_brush_type_label.text = tr("Brush:") + " %s" % hint_tooltip
		elif custom_brush_index == -3: # Pixel brush
			Global.left_color_interpolation_container.visible = false
#			Global.left_brush_type_label.text = tr("Brush: Pixel")
		elif custom_brush_index == -2: # Circle brush
			Global.left_color_interpolation_container.visible = false
#			Global.left_brush_type_label.text = tr("Brush: Circle")
		elif custom_brush_index == -1: # Filled Circle brush
			Global.left_color_interpolation_container.visible = false
#			Global.left_brush_type_label.text = tr("Brush: Filled Circle")

		Global.update_left_custom_brush()

	else: # Change right brush
		Global.current_right_brush_type = brush_type
		Global.custom_right_brush_index = custom_brush_index
		if custom_brush_index > -1:
			if Global.current_right_tool == "Pencil" or Global.current_right_tool == "Bucket":
				Global.right_color_interpolation_container.visible = true
#			if hint_tooltip == "":
#				Global.right_brush_type_label.text = tr("Custom brush")
#			else:
#				Global.right_brush_type_label.text = tr("Brush:") + " %s" % hint_tooltip
		elif custom_brush_index == -3: # Pixel brush
			Global.right_color_interpolation_container.visible = false
#			Global.right_brush_type_label.text = tr("Brush: Pixel")
		elif custom_brush_index == -2: # Circle brush
			Global.right_color_interpolation_container.visible = false
#			Global.right_brush_type_label.text = tr("Brush: Circle")
		elif custom_brush_index == -1: # Filled Circle brush
			Global.right_color_interpolation_container.visible = false
#			Global.right_brush_type_label.text = tr("Brush: Filled Circle")

		Global.update_right_custom_brush()

func _on_DeleteButton_pressed() -> void:
	if brush_type == Global.Brush_Types.CUSTOM:
		if Global.custom_left_brush_index == custom_brush_index:
			Global.custom_left_brush_index = -3
			Global.current_left_brush_type = Global.Brush_Types.PIXEL
#			Global.left_brush_type_label.text = "Brush: Pixel"
			Global.update_left_custom_brush()
		if Global.custom_right_brush_index == custom_brush_index:
			Global.custom_right_brush_index = -3
			Global.current_right_brush_type = Global.Brush_Types.PIXEL
#			Global.right_brush_type_label.text = "Brush: Pixel"
			Global.update_right_custom_brush()

		var project_brush_index = custom_brush_index - Global.brushes_from_files
		Global.undos += 1
		Global.undo_redo.create_action("Delete Custom Brush")
		for i in range(project_brush_index, Global.project_brush_container.get_child_count()):
			var bb = Global.project_brush_container.get_child(i)
			if Global.custom_left_brush_index == bb.custom_brush_index:
				Global.custom_left_brush_index -= 1
			if Global.custom_right_brush_index == bb.custom_brush_index:
				Global.custom_right_brush_index -= 1

			Global.undo_redo.add_do_property(bb, "custom_brush_index", bb.custom_brush_index - 1)
			Global.undo_redo.add_undo_property(bb, "custom_brush_index", bb.custom_brush_index)

		var custom_brushes: Array = Global.custom_brushes.duplicate()
		custom_brushes.remove(custom_brush_index)

		Global.undo_redo.add_do_property(Global, "custom_brushes", custom_brushes)
		Global.undo_redo.add_undo_property(Global, "custom_brushes", Global.custom_brushes)
		Global.undo_redo.add_do_method(Global, "redo_custom_brush", self)
		Global.undo_redo.add_undo_method(Global, "undo_custom_brush", self)
		Global.undo_redo.commit_action()

func _on_BrushButton_mouse_entered() -> void:
	if brush_type == Global.Brush_Types.CUSTOM:
		$DeleteButton.visible = true

func _on_BrushButton_mouse_exited() -> void:
	if brush_type == Global.Brush_Types.CUSTOM:
		$DeleteButton.visible = false
