class_name Chat
extends CanvasLayer

var open: bool = false

var _chat_message_scene := preload("res://scenes/ui/chat_message.tscn")

@onready var _msg_scroll: ScrollContainer = $MsgMargin/MsgVBox/MsgScroll
@onready
var _msg_container: Container = $MsgMargin/MsgVBox/MsgScroll/MsgMargin/MsgContainer
@onready var _msg_margin: Container = $MsgMargin/MsgVBox/MsgScroll/MsgMargin
@onready var _message_edit: LineEdit = $EditMargin/EditVBox/MessageEdit


func _ready() -> void:
	_message_edit.text_submitted.connect(_on_message_edit_text_submitted)
	_message_edit.visible = false
	_msg_margin.minimum_size_changed.connect(_on_message_margin_minimum_size_changed)
	Referencer.chat = self


func _exit_tree() -> void:
	Referencer.chat = null


func _input(event: InputEvent) -> void:
	if event.is_action_pressed("menu"):
		call_deferred("_close")


func _unhandled_input(event: InputEvent) -> void:
	if Input.get_mouse_mode() != Input.MOUSE_MODE_CAPTURED:
		return

	if event.is_action_pressed("chat") and not open:
		open = true
		_message_edit.visible = true
		_message_edit.grab_focus()
		_msg_scroll.vertical_scroll_mode = ScrollContainer.SCROLL_MODE_AUTO
		Input.mouse_mode = Input.MOUSE_MODE_VISIBLE


func _close() -> void:
	open = false
	_message_edit.release_focus()
	_message_edit.visible = false
	_msg_scroll.vertical_scroll_mode = ScrollContainer.SCROLL_MODE_SHOW_NEVER
	Input.mouse_mode = Input.MOUSE_MODE_CAPTURED


@rpc("any_peer", "call_local", "reliable", 1)
func _send_message(message: String) -> void:
	var player_name := (
		Networker.players[multiplayer.get_remote_sender_id()]["name"] as String
	)
	var message_node := _make_message_node(player_name, message)
	_msg_container.add_child(message_node)
	print(player_name + ": " + message)


func _make_message_node(player_name: String, message: String) -> RichTextLabel:
	var node := _chat_message_scene.instantiate() as RichTextLabel
	node.text = "[b]" + player_name + ":[/b]  " + message

	return node


func _on_message_edit_text_submitted(message: String) -> void:
	if _message_edit.text == "":
		return
	_message_edit.text = ""
	_send_message.rpc(message)


func _on_message_margin_minimum_size_changed() -> void:
	_msg_scroll.set_deferred(
		"scroll_vertical", int(_msg_scroll.get_v_scroll_bar().max_value) + 100
	)