extends GraphNode
class_name DeckNodeRendererGraphNode

## [GraphNode] based renderer of [DeckNode]

## Stores the data container [DeckNode] that the visuals of this [DeckNodeRendererGraphNode] 
## are based off.
var node: DeckNode

## Setups up all the properties based off [member node].  Including looping through 
## [method DeckNode.get_all_ports()] and setting up all the descriptors.
func _ready() -> void:
	title = node.name
	node.position_updated.connect(_on_node_position_updated)
	#node.port_added.connect(_on_node_port_added)
	#node.port_removed.connect(_on_node_port_removed)
	node.ports_updated.connect(_on_node_ports_updated)
	for port in node.get_all_ports():
		var descriptor_split := port.descriptor.split(":")
		match descriptor_split[0]:
			"button":
				var button := Button.new()
				add_child(button)
				button.text = port.label
				if port.port_type == DeckNode.PortType.OUTPUT:
					button.pressed.connect(
						func():
							node.send(port.index_of_type, DeckType.DeckTypeBool.new(true))
					)
				elif port.port_type == DeckNode.PortType.INPUT:
					button.pressed.connect(
						func():
							node._receive(port.index_of_type, DeckType.DeckTypeBool.new(true))
					)
			"field":
				var line_edit := LineEdit.new()
				add_child(line_edit)
				if port.value:
					line_edit.text = str(port.value)
				line_edit.placeholder_text = port.label
				port.value_callback = line_edit.get_text
				line_edit.text_changed.connect(port.set_value)
			_:
				var label := Label.new()
				add_child(label)
				label.text = port.label

		set_slot(
			port.index,
			port.port_type == DeckNode.PortType.INPUT,
			0,
			Color.WHITE,
			port.port_type == DeckNode.PortType.OUTPUT,
			0,
			Color.WHITE,
		)

## Connected to [signal GraphElement.position_offset_updated] and updates the 
## [member node]s properties
func _on_position_offset_changed() -> void:
	node.position.x = position_offset.x
	node.position.y = position_offset.y

## Connected to [member node]s [signal position_updated] to keep parity with the 
## data position.
func _on_node_position_updated(new_position: Dictionary) -> void:
	position_offset.x = new_position.x
	position_offset.y = new_position.y

## Connected to [member node]s [signal port_added] handles setting up the specified 
## [member Port.descriptor] with it's required nodes/signals etc. + adding the port 
## using [method GraphNode.set_slot]
func _on_node_port_added(port_idx: int) -> void:
	var port := node.get_all_ports()[port_idx]

	var descriptor_split := port.descriptor.split(":")
	match descriptor_split[0]:
		"button":
			var button := Button.new()
			add_child(button)
			button.text = port.label
			if port.port_type == DeckNode.PortType.OUTPUT:
				button.pressed.connect(
					func():
						node.send(port.index_of_type, DeckType.DeckTypeBool.new(true))
				)
			elif port.port_type == DeckNode.PortType.INPUT:
				button.pressed.connect(
					func():
						node._receive(port.index_of_type, DeckType.DeckTypeBool.new(true))
				)
		"field":
			var line_edit := LineEdit.new()
			add_child(line_edit)
			if port.value:
				line_edit.text = str(port.value)
			line_edit.placeholder_text = port.label
			port.value_callback = line_edit.get_text
			line_edit.text_changed.connect(port.set_value)
		_:
			var label := Label.new()
			add_child(label)
			label.text = port.label

	set_slot(
		port.index,
		port.port_type == DeckNode.PortType.INPUT,
		0,
		Color.WHITE,
		port.port_type == DeckNode.PortType.OUTPUT,
		0,
		Color.WHITE,
	)

## Connected to [member node]s [signal port_removed], queue_frees the [Node] 
## used for the descriptor, as well as using [method GraphNode.set_slot] to remove the slot.
func _on_node_port_removed(port_idx: int) -> void:
	set_slot(
		port_idx,
		false,
		0,
		Color.WHITE,
		false,
		0,
		Color.WHITE,
	)

	get_child(port_idx).queue_free()

## Connected to [member node]s [signal ports_updated].  Remakes all of the ports 
## + their descriptors whenever this is received to allow keeping the Renderers ports up to date.
func _on_node_ports_updated() -> void:
	clear_all_slots()
	for c in get_children():
		c.queue_free()

	for port in node.get_all_ports():
		var descriptor_split := port.descriptor.split(":")
		match descriptor_split[0]:
			"button":
				var button := Button.new()
				add_child(button)
				button.text = port.label
				if port.port_type == DeckNode.PortType.OUTPUT:
					button.pressed.connect(
						func():
							node.send(port.index_of_type, DeckType.DeckTypeBool.new(true))
					)
				elif port.port_type == DeckNode.PortType.INPUT:
					button.pressed.connect(
						func():
							node._receive(port.index_of_type, DeckType.DeckTypeBool.new(true))
					)
			"field":
				var line_edit := LineEdit.new()
				add_child(line_edit)
				if port.value:
					line_edit.text = str(port.value)
				line_edit.placeholder_text = port.label
				port.value_callback = line_edit.get_text
				line_edit.text_changed.connect(port.set_value)
			_:
				var label := Label.new()
				add_child(label)
				label.text = port.label

		set_slot(
			port.index,
			port.port_type == DeckNode.PortType.INPUT,
			0,
			Color.WHITE,
			port.port_type == DeckNode.PortType.OUTPUT,
			0,
			Color.WHITE,
		)