class_name LobbyRoomList
extends RefCounted

var lobby: Control

func _init(p_lobby: Control):
	lobby = p_lobby
	
	if lobby.refresh_btn:
		lobby.refresh_btn.pressed.connect(_on_refresh_pressed)
	if lobby.join_btn:
		lobby.join_btn.pressed.connect(_on_join_pressed)
	if lobby.back_btn:
		lobby.back_btn.pressed.connect(_on_back_pressed)
		
	LobbyManager.room_list_updated.connect(on_room_list_updated)

func _on_refresh_pressed() -> void:
	if lobby.connection_status: lobby.connection_status.text = "Refreshing..."
	if lobby.room_list: lobby.room_list.clear()
	LobbyManager.refresh_room_list()

func _on_room_selected(index: int) -> void:
	if index < LobbyManager.available_rooms.size():
		var room = LobbyManager.available_rooms[index]
		if LobbyManager.is_lan_mode:
			var ip = room.get("ip", "")
			if not ip.is_empty() and lobby.match_id_input:
				lobby.match_id_input.text = ip
		else:
			var mid = room.get("match_id", "")
			if not mid.is_empty() and lobby.match_id_input:
				lobby.match_id_input.text = mid

func _on_room_activated(index: int) -> void:
	_on_room_selected(index)
	_on_join_pressed()

func _on_join_pressed() -> void:
	if not lobby.match_id_input: return
	var match_id = lobby.match_id_input.text.strip_edges()
	
	if match_id.is_empty() and not LobbyManager.is_lan_mode:
		var selected_items = [] if not lobby.room_list else lobby.room_list.get_selected_items()
		if selected_items.size() == 0:
			if lobby.connection_status: lobby.connection_status.text = "Please select a room or enter Match ID"
			return
		
		var selected_idx = selected_items[0]
		if selected_idx < LobbyManager.available_rooms.size():
			match_id = LobbyManager.available_rooms[selected_idx].get("match_id", "")
	
	if AuthManager.is_guest:
		if LobbyManager.local_player_name.is_empty() or LobbyManager.local_player_name == "Player":
			LobbyManager.local_player_name = NameGenerator.generate_guest_name()
	else:
		LobbyManager.local_player_name = UserProfileManager.get_display_name()
	
	if LobbyManager.is_lan_mode:
		if match_id.is_empty():
			var selected_items = [] if not lobby.room_list else lobby.room_list.get_selected_items()
			if selected_items.size() > 0:
				var idx = selected_items[0]
				if idx < LobbyManager.available_rooms.size():
					match_id = LobbyManager.available_rooms[idx].get("ip", "")
		
		if match_id.is_empty():
			if lobby.connection_status: lobby.connection_status.text = "Enter Host IP to join"
			return
			
		if lobby.connection_status: lobby.connection_status.text = "Connecting to %s..." % match_id
		lobby._apply_loadout_character()
		var ok = LobbyManager.join_room_lan(match_id)
		if not ok:
			if lobby.connection_status: lobby.connection_status.text = "Failed to connect to %s" % match_id
	else:
		if match_id.is_empty():
			if lobby.connection_status: lobby.connection_status.text = "No room selected"
			return
		if lobby.connection_status: lobby.connection_status.text = "Joining Nakama room..."
		lobby._apply_loadout_character()
		LobbyManager.join_room(match_id)

func _on_back_pressed() -> void:
	lobby._show_panel("main_menu")
	if lobby.connection_status: lobby.connection_status.text = ""

func on_room_list_updated(rooms: Array) -> void:
	if not lobby.room_list: return
	lobby.room_list.clear()
	
	if lobby.item_template:
		var parent = lobby.item_template.get_parent()
		for child in parent.get_children():
			if child.has_meta("room_row"):
				child.queue_free()
	
	var filtered := rooms.filter(func(r): 
		return lobby._room_mode_filter.is_empty() or r.get("game_mode", "") == lobby._room_mode_filter
	)
	
	if lobby.item_template:
		var parent = lobby.item_template.get_parent()
		for i in range(filtered.size()):
			var room = filtered[i]
			var row = lobby.item_template.duplicate()
			row.visible = true
			row.set_meta("room_row", true)
			row.set_meta("room_index", i)
			
			var room_id_short = room.get("room_name", "???")
			var host_name = room.get("host_name", "Unknown")
			var player_count = room.get("player_count", 1)
			var max_players = room.get("max_players", 8)
			var mode = room.get("game_mode", "")
			var mode_short = "FMD" if mode == "Freemode" else ("SNG" if mode == "Stop n Go" else mode.left(3).to_upper())
			
			var hbox = row.get_node_or_null("PanelContainer/MarginContainer/HBoxContainer")
			if hbox:
				var lbl_id = hbox.get_child(0)
				var lbl_host = hbox.get_child(1)
				var lbl_mode = hbox.get_child(2)
				var lbl_cap = hbox.get_child(3)
				if lbl_id: lbl_id.text = room_id_short
				if lbl_host: lbl_host.text = host_name
				if lbl_mode: lbl_mode.text = mode_short
				if lbl_cap: lbl_cap.text = "%d/%d" % [player_count, max_players]
			
			parent.add_child(row)
			
			var panel_box = row.get_node_or_null("PanelContainer")
			if panel_box:
				var idx = i
				panel_box.gui_input.connect(func(event: InputEvent):
					if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT:
						_on_room_selected(idx)
						if event.double_click:
							_on_room_activated(idx)
				)
				panel_box.mouse_filter = Control.MOUSE_FILTER_STOP
	else:
		for room in filtered:
			var room_name = room.get("room_name", "Unknown")
			var host_name = room.get("host_name", "Unknown")
			var player_count = room.get("player_count", 1)
			var max_players = room.get("max_players", 4)
			var mode = room.get("game_mode", "")
			var mode_tag = " [%s]" % mode if not mode.is_empty() else ""
			lobby.room_list.add_item("%s - %s (%d/%d)%s" % [room_name, host_name, player_count, max_players, mode_tag])
	
	var filter_note = " [Filter: %s]" % lobby._room_mode_filter if not lobby._room_mode_filter.is_empty() else ""
	if filtered.size() == 0:
		if lobby.connection_status: lobby.connection_status.text = "No rooms available%s" % filter_note
	else:
		if lobby.connection_status: lobby.connection_status.text = "Found %d room(s)%s" % [filtered.size(), filter_note]