extends Node

enum GameFocus {MENU, GAME, CHAT, AWAY}
enum NetworkRole {NONE, CLIENT, SERVER, DEDICATED_SERVER, RELAY_SERVER}

const NET_PORT = 12597
const NET_SERVER = "localhost" #liblast.unfa.xyz"

var peer = NetworkedMultiplayerENet.new()

var role = NetworkRole.NONE:
	set(new_role):
		role = new_role
		print("Network Role changed to ", NetworkRole.keys()[new_role])

var player_scene = preload("res://Assets/Characters/Player.tscn")

@onready var gui = $GUI
@onready var hud = $HUD
@onready var chat = hud.get_node("Chat")
var local_player: Node = null

class PlayerInfo:
	var name: String
	var team: int
	var color: Color
	var focus: GameFocus

	func _init():#name: String, team: int, color: Color):
#		self.name = name
#		self.team = team
#		self.color = color
#		self.focus = 0
		
		var player_name = ""
		for i in range(0, 4):
			player_name += ['a','b','c', 'd', 'e', 'f'][randi() % 5]
		self.name = player_name
		self.color = Color(randf(),randf(),randf())
		self.team = 0
		
	func serialize():
		return {
			'name': self.name,
			'team': str(self.team),
			'color': self.color.to_html(),
			'focus': self.focus,
		}
	func set(name: String, team: int, color: Color, focus: int):
		self.name = name
		self.team = team
		self.color = color
		self.focus = focus
	
	func deserialize(info):
		#var info_parsed = info.parse_json(info)
		self.name = info['name']
		self.team = info['team'].to_int()
		self.color = Color.html(info['color'])
		self.focus = info['focus']
	
	#func generate():

	
var local_player_info: PlayerInfo

#class PlayerList:
#	var items = {}
#
#	func store(pid, item):
#		items[pid] = item
#
#	func erase(pid):
#		items.erase(pid)
#
#	func update(pid, item):
#		if items[pid]:
#			items[pid] = item
#
#	func get():
#		return items
	
var player_list = {}:
	set(player_list):
		if role in [NetworkRole.SERVER, NetworkRole.DEDICATED_SERVER]:
			for i in player_list:
				rpc(&'player_list_update', i.serialize())
		else:
			rpc_id(1, &'player_list_update', player_list.serialize())

var focus = GameFocus.MENU :
	set(new_focus):
		match new_focus:
			0:
				Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
				gui.show()
				if local_player:
					local_player.input_active = false
			1:
				Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
				gui.hide()
				if local_player:
					local_player.input_active = true
			2:
				if local_player:
					local_player.input_active = false
			3:
				if local_player:
					local_player.input_active = true

		focus = new_focus

#@remote set_info(info) -> void:
#	player_info = PlayerInfo.new(info['name'], info['team'].to_int(), Color(info['color']))
#	print("set_info - rpc called from ", get_tree().get_rpc_sender_id())

#@master func update_info() -> void:
#	rpc(&'set_info', player_info.serialize())

#@master func generate_info() -> void:
	#rpc(&'set_info', PlayerInfo.new(player_name, 0, color).serialize() )

func _input(_event) -> void:
	if Input.is_action_just_pressed("ui_cancel"):
		if focus == GameFocus.GAME:
			focus = GameFocus.MENU
		elif focus == GameFocus.MENU:
			focus = GameFocus.GAME
	

#@remote func update_player_list(player_list):
#	self.player_list = player_list

@remote func player_list_update(info):
	var new_info = PlayerInfo.deserialize(info)
	var id = get_tree().get_rpc_sender_id()
	print("Updating player_list wit hnew info: ", new_info)
	player_list[id] = new_info
	print("Player list: ", player_list)
	print("Player list item for id ", id, ": ", player_list[id])

func create_player(id: int, is_local: bool) -> void:
	var new_player
	
	if player_scene.has_method(&"instance"):
		new_player = player_scene.instance()
	else:
		new_player = player_scene.instantiate()
	var spawnpoint = $Map/SpawnPoints.get_children()[randi() % len($Map/SpawnPoints.get_children())]
	new_player.name = str(id)
	new_player.global_transform = spawnpoint.global_transform
	new_player.set_network_master(id)
	$Players.add_child(new_player)
	
	if is_local:
		local_player = new_player #$Players.get_node(str(id))
		local_player.get_node("Head/Camera").current = true
		var new_info = PlayerInfo.new()
		#new_info.generate()
		local_player_info = new_info
		rpc_id(1,&'player_list_update', local_player_info.serialize())
		
		$NetworkTesting/TextEdit.text = local_player_info.name
		$NetworkTesting/ColorPickerButton.color = local_player_info.color
	else: # make sure we use the right camera
		new_player.get_node("Head/Camera").current = false
		if local_player:
			local_player.get_node("Head/Camera").current = true

func start_dedicated_server():
	role = NetworkRole.DEDICATED_SERVER
	peer.create_server(NET_PORT, 16)
	get_tree().network_peer = peer
	#create_player(1, true)

func _on_Host_pressed():
	role = NetworkRole.SERVER
	$NetworkTesting/Host.disabled = true
	$NetworkTesting/Connect.disabled = true
	
	peer.create_server(NET_PORT, 16)
	get_tree().network_peer = peer
	create_player(1, true)
	focus = GameFocus.GAME

func _on_Connect_pressed():
	$NetworkTesting/Host.disabled = true
	$NetworkTesting/Connect.disabled = true
	
	peer.create_client(NET_SERVER, NET_PORT)
	get_tree().network_peer = peer
	
func _player_connected(id) -> void:
	print("player connected, id: ", id)
	create_player(id, false)
#	if local_player:
#		local_player.rpc(&"update_info")
#
#	if role in [NetworkRole.SERVER, NetworkRole.DEDICATED_SERVER]:
#		rpc_id(id, "player_list_update", player_list)

func _player_disconnected(id) -> void:
	print("player disconnected, id: ", id)
	
func _connected_ok() -> void:
	print("connected to server")
	var id = get_tree().get_network_unique_id()
	create_player(id, true)
	focus = GameFocus.GAME
	role = NetworkRole.CLIENT
	# todo pull player list from server
	
func _connected_fail() -> void:
	print("connection to server failed")
	
func _server_disconnected() -> void:
	print("server disconnected")
	
	role = NetworkRole.NONE

func _ready() -> void:
	
	print("Commandline arguments: ", OS.get_cmdline_args())
	
	get_tree().connect("network_peer_connected", self._player_connected)
	get_tree().connect("network_peer_disconnected", self._player_disconnected)
	get_tree().connect("connected_to_server", self._connected_ok)
	get_tree().connect("connection_failed", self._connected_fail)
	get_tree().connect("server_disconnected", self._server_disconnected)


func _on_TextEdit_text_submitted(new_text):
	local_player_info.name = new_text

func _on_ColorPickerButton_color_changed(color):
	local_player_info.color = color