""" Contains functions used to read specific client packets from byte stream """
from constants import dataTypes
from helpers import packetHelper
from constants import slotStatuses


""" Users listing packets """
def userActionChange(stream):
	return packetHelper.readPacketData(stream,
	[
		["actionID", dataTypes.BYTE],
		["actionText", dataTypes.STRING],
		["actionMd5", dataTypes.STRING],
		["actionMods", dataTypes.UINT32],
		["gameMode", dataTypes.BYTE],
		["beatmapID", dataTypes.SINT32]
	])

def userStatsRequest(stream):
	return packetHelper.readPacketData(stream, [["users", dataTypes.INT_LIST]])

def userPanelRequest(stream):
	return packetHelper.readPacketData(stream, [["users", dataTypes.INT_LIST]])


""" Client chat packets """
def sendPublicMessage(stream):
	return packetHelper.readPacketData(stream,
	[
		["unknown", dataTypes.STRING],
		["message", dataTypes.STRING],
		["to", dataTypes.STRING]
	])

def sendPrivateMessage(stream):
	return packetHelper.readPacketData(stream,
	[
		["unknown", dataTypes.STRING],
		["message", dataTypes.STRING],
		["to", dataTypes.STRING],
		["unknown2", dataTypes.UINT32]
	])

def setAwayMessage(stream):
	return packetHelper.readPacketData(stream,
	[
		["unknown", dataTypes.STRING],
		["awayMessage", dataTypes.STRING]
	])

def channelJoin(stream):
	return packetHelper.readPacketData(stream, [["channel", dataTypes.STRING]])

def channelPart(stream):
	return packetHelper.readPacketData(stream, [["channel", dataTypes.STRING]])

def addRemoveFriend(stream):
	return packetHelper.readPacketData(stream, [["friendID", dataTypes.SINT32]])


""" Spectator packets """
def startSpectating(stream):
	return packetHelper.readPacketData(stream, [["userID", dataTypes.SINT32]])


""" Multiplayer packets """
def matchSettings(stream):
	# Data to return, will be merged later
	data = []

	# Some settings
	struct = [
		["matchID", dataTypes.UINT16],
		["inProgress", dataTypes.BYTE],
		["unknown", dataTypes.BYTE],
		["mods", dataTypes.UINT32],
		["matchName", dataTypes.STRING],
		["matchPassword", dataTypes.STRING],
		["beatmapName", dataTypes.STRING],
		["beatmapID", dataTypes.UINT32],
		["beatmapMD5", dataTypes.STRING]
	]

	# Slot statuses (not used)
	for i in range(0,16):
		struct.append(["slot{}Status".format(str(i)), dataTypes.BYTE])

	# Slot statuses (not used)
	for i in range(0,16):
		struct.append(["slot{}Team".format(str(i)), dataTypes.BYTE])

	# Read first part
	data.append(packetHelper.readPacketData(stream, struct))

	# Skip userIDs because fuck
	start = 7+2+1+1+4+4+16+16+len(data[0]["matchName"])+len(data[0]["matchPassword"])+len(data[0]["beatmapMD5"])+len(data[0]["beatmapName"])
	start += 1 if (data[0]["matchName"] == "") else 2
	start += 1 if (data[0]["matchPassword"] == "") else 2
	start += 2	# If beatmap name and MD5 don't change, the client sends \x0b\x00 istead of \x00 only, so always add 2. ...WHY!
	start += 2
	for i in range(0,16):
		s = data[0]["slot{}Status".format(str(i))]
		if s != slotStatuses.free and s != slotStatuses.locked:
			start += 4

	# Other settings
	struct = [
		["hostUserID", dataTypes.SINT32],
		["gameMode", dataTypes.BYTE],
		["scoringType", dataTypes.BYTE],
		["teamType", dataTypes.BYTE],
		["freeMods", dataTypes.BYTE],
	]

	# Read last part
	data.append(packetHelper.readPacketData(stream[start:], struct, False))

	result = {}
	for i in data:
		result.update(i)
	return result

def createMatch(stream):
	return matchSettings(stream)

def changeMatchSettings(stream):
	return matchSettings(stream)

def changeSlot(stream):
	return packetHelper.readPacketData(stream, [["slotID", dataTypes.UINT32]])

def joinMatch(stream):
	return packetHelper.readPacketData(stream, [["matchID", dataTypes.UINT32], ["password", dataTypes.STRING]])

def changeMods(stream):
	return packetHelper.readPacketData(stream, [["mods", dataTypes.UINT32]])

def lockSlot(stream):
	return packetHelper.readPacketData(stream, [["slotID", dataTypes.UINT32]])

def transferHost(stream):
	return packetHelper.readPacketData(stream, [["slotID", dataTypes.UINT32]])

def matchInvite(stream):
	return packetHelper.readPacketData(stream, [["userID", dataTypes.UINT32]])