from objects import fokabot
import random
from objects import glob
from constants import serverPackets
from constants import exceptions
from helpers import userHelper
import time
from helpers import systemHelper

"""
Commands callbacks

Must have fro, chan and messages as arguments
fro -- name of who triggered the command
chan -- channel where the message was sent
message -- 	list containing arguments passed from the message
			[0] = first argument
			[1] = second argument
			. . .

return the message or **False** if there's no response by the bot
"""

def faq(fro, chan, message):
	if message[0] == "rules":
		return "Please make sure to check (Ripple's rules)[http://ripple.moe/?p=23]."
	elif message[0] == "rules":
		return "Please make sure to check (Ripple's rules)[http://ripple.moe/?p=23]."
	elif message[0] == "swearing":
		return "Please don't abuse swearing"
	elif message[0] == "spam":
		return "Please don't spam"
	elif message[0] == "offend":
		return "Please don't offend other players"
	elif message[0] == "github":
		return "(Ripple's Github page!)[https://github.com/osuripple/ripple]"
	elif message[0] == "discord":
		return "(Join Ripple's Discord!)[https://discord.gg/0rJcZruIsA6rXuIx]"
	elif message[0] == "blog":
		return "You can find the latest Ripple news on the (blog)[https://ripple.moe/blog/]!"
	elif message[0] == "changelog":
		return "Check the (changelog)[https://ripple.moe/index.php?p=17] !"
	elif message[0] == "status":
		return "Check the server status (here!)[https://ripple.moe/index.php?p=27]"

def roll(fro, chan, message):
	maxPoints = 100
	if len(message) >= 1:
		if message[0].isdigit() == True and int(message[0]) > 0:
			maxPoints = int(message[0])

	points = random.randrange(0,maxPoints)
	return "{} rolls {} points!".format(fro, str(points))

def ask(fro, chan, message):
	return random.choice(["yes", "no", "maybe"])

def alert(fro, chan, message):
	glob.tokens.enqueueAll(serverPackets.notification(' '.join(message[:])))
	return False

def moderated(fro, chan, message):
	try:
		# Make sure we are in a channel and not PM
		if chan.startswith("#") == False:
			raise exceptions.moderatedPMException

		# Get on/off
		enable = True
		if len(message) >= 1:
			if message[0] == "off":
				enable = False

		# Turn on/off moderated mode
		glob.channels.channels[chan].moderated = enable
		return "This channel is {} in moderated mode!".format("now" if enable else "no longer")
	except exceptions.moderatedPMException:
		return "You are trying to put a private chat in moderated mode. Are you serious?!? You're fired."

def kickAll(fro, chan, message):
	# Kick everyone but mods/admins
	toKick = []
	for key, value in glob.tokens.tokens.items():
		if value.rank < 3:
			toKick.append(key)

	# Loop though users to kick (we can't change dictionary size while iterating)
	for i in toKick:
		if i in glob.tokens.tokens:
			glob.tokens.tokens[i].kick()

	return "Whoops! Rip everyone."

def kick(fro, chan, message):
	# Get parameters
	target = message[0].replace("_", " ")

	# Get target token and make sure is connected
	targetToken = glob.tokens.getTokenFromUsername(target)
	if targetToken == None:
		return "{} is not online".format(target)

	# Kick user
	targetToken.kick()

	# Bot response
	return "{} has been kicked from the server.".format(target)

def fokabotReconnect(fro, chan, message):
	# Check if fokabot is already connected
	if glob.tokens.getTokenFromUserID(999) != None:
		return"Fokabot is already connected to Bancho"

	# Fokabot is not connected, connect it
	fokabot.connect()
	return False

def silence(fro, chan, message):
	for i in message:
		i = i.lower()
	target = message[0].replace("_", " ")
	amount = message[1]
	unit = message[2]
	reason = ' '.join(message[3:])

	# Get target user ID
	targetUserID = userHelper.getID(target)

	# Make sure the user exists
	if targetUserID == False:
		return "{}: user not found".format(target)

	# Calculate silence seconds
	if unit == 's':
		silenceTime = int(amount)
	elif unit == 'm':
		silenceTime = int(amount)*60
	elif unit == 'h':
		silenceTime = int(amount)*3600
	elif unit == 'd':
		silenceTime = int(amount)*86400
	else:
		return "Invalid time unit (s/m/h/d)."

	# Max silence time is 7 days
	if silenceTime > 604800:
		return "Invalid silence time. Max silence time is 7 days."

	# Calculate silence end time
	endTime = int(time.time())+silenceTime

	# Update silence end in db
	userHelper.silence(targetUserID, endTime, reason)

	# Send silence packet to target if he's connected
	targetToken = glob.tokens.getTokenFromUsername(target)
	if targetToken != None:
		targetToken.enqueue(serverPackets.silenceEndTime(silenceTime))

	return "{} has been silenced for the following reason: {}".format(target, reason)

def removeSilence(fro, chan, message):
	# Get parameters
	for i in message:
		i = i.lower()
	target = message[0].replace("_", " ")

	# Make sure the user exists
	targetUserID = userHelper.getID(target)
	if targetUserID == False:
		return "{}: user not found".format(target)

	# Reset user silence time and reason in db
	userHelper.silence(targetUserID, 0, "")

	# Send new silence end packet to user if he's online
	targetToken = glob.tokens.getTokenFromUsername(target)
	if targetToken != None:
		targetToken.enqueue(serverPackets.silenceEndTime(0))

	return "{}'s silence reset".format(target)

def ban(fro, chan, message):
	# Get parameters
	for i in message:
		i = i.lower()
	target = message[0].replace("_", " ")

	# Make sure the user exists
	targetUserID = userHelper.getID(target)
	if targetUserID == False:
		return "{}: user not found".format(target)

	# Set allowed to 0
	userHelper.setAllowed(targetUserID, 0)

	# Send ban packet to the user if he's online
	targetToken = glob.tokens.getTokenFromUsername(target)
	if targetToken != None:
		targetToken.enqueue(serverPackets.loginBanned())

	return "RIP {}. You will not be missed.".format(target)

def unban(fro, chan, message):
	# Get parameters
	for i in message:
		i = i.lower()
	target = message[0].replace("_", " ")

	# Make sure the user exists
	targetUserID = userHelper.getID(target)
	if targetUserID == False:
		return "{}: user not found".format(target)

	# Set allowed to 1
	userHelper.setAllowed(targetUserID, 1)

	return "Welcome back {}!".format(target)

def restartShutdown(restart):
	"""Restart (if restart = True) or shutdown (if restart = False) pep.py safely"""
	msg = "We are performing some maintenance. Bancho will {} in 5 seconds. Thank you for your patience.".format("restart" if restart else "shutdown")
	systemHelper.scheduleShutdown(5, restart, msg)
	return msg

def systemRestart(fro, chan, message):
	return restartShutdown(True)

def systemShutdown(fro, chan, message):
	return restartShutdown(False)

def systemReload(fro, chan, message):
	#Reload settings from bancho_settings
	glob.banchoConf.loadSettings()

	# Reload channels too
	glob.channels.loadChannels()

	# Send new channels and new bottom icon to everyone
	glob.tokens.enqueueAll(serverPackets.mainMenuIcon(glob.banchoConf.config["menuIcon"]))
	glob.tokens.enqueueAll(serverPackets.channelInfoEnd())
	for key, _ in glob.channels.channels.items():
		glob.tokens.enqueueAll(serverPackets.channelInfo(key))

	return "Bancho settings reloaded!"

def systemMaintenance(fro, chan, message):
	# Turn on/off bancho maintenance
	maintenance = True

	# Get on/off
	if len(message) >= 2:
		if message[1] == "off":
			maintenance = False

	# Set new maintenance value in bancho_settings table
	glob.banchoConf.setMaintenance(maintenance)

	if maintenance == True:
		# We have turned on maintenance mode
		# Users that will be disconnected
		who = []

		# Disconnect everyone but mod/admins
		for _, value in glob.tokens.tokens.items():
			if value.rank < 3:
				who.append(value.userID)

		glob.tokens.enqueueAll(serverPackets.notification("Our bancho server is in maintenance mode. Please try to login again later."))
		glob.tokens.multipleEnqueue(serverPackets.loginError(), who)
		msg = "The server is now in maintenance mode!"
	else:
		# We have turned off maintenance mode
		# Send message if we have turned off maintenance mode
		msg = "The server is no longer in maintenance mode!"

	# Chat output
	return msg

def systemStatus(fro, chan, message):
	# Print some server info
	data = systemHelper.getSystemInfo()

	# Final message
	msg =  "=== PEP.PY STATS ===\n"
	msg += "Running pep.py server\n"
	msg += "Webserver: {}\n".format(data["webServer"])
	msg += "\n"
	msg += "=== BANCHO STATS ===\n"
	msg += "Connected users: {}\n".format(str(data["connectedUsers"]))
	msg += "\n"
	msg += "=== SYSTEM STATS ===\n"
	msg += "CPU: {}%\n".format(str(data["cpuUsage"]))
	msg += "RAM: {}GB/{}GB\n".format(str(data["usedMemory"]), str(data["totalMemory"]))
	if data["unix"] == True:
		msg += "Load average: {}/{}/{}\n".format(str(data["loadAverage"][0]), str(data["loadAverage"][1]), str(data["loadAverage"][2]))

	return msg

"""
Commands list

trigger: message that triggers the command
callback: function to call when the command is triggered. Optional.
response: text to return when the command is triggered. Optional.
syntax: command syntax. Arguments must be separated by spaces (eg: <arg1> <arg2>)
minRank: minimum rank to execute that command. Optional (default = 1)

You MUST set trigger and callback/response, or the command won't work.
"""
commands = [
	{
		"trigger": "!roll",
		"callback": roll
	}, {
		"trigger": "!faq",
		"syntax": "<name>",
		"callback": faq
	}, {
		"trigger": "!report",
		"response": "Report command isn't here yet :c"
	}, {
		"trigger": "!help",
		"response": "Click (here)[https://ripple.moe/index.php?p=16&id=4] for FokaBot's full command list"
	}, {
		"trigger": "!ask",
		"syntax": "<question>",
		"callback": ask
	}, {
		"trigger": "!mm00",
		"response": random.choice(["meme", "MA MAURO ESISTE?"])
	}, {
		"trigger": "!alert",
		"syntax": "<message>",
		"minRank": 4,
		"callback": alert
	}, {
		"trigger": "!moderated",
		"minRank": 3,
		"callback": moderated
	}, {
		"trigger": "!kickall",
		"minRank": 4,
		"callback": kickAll
	}, {
		"trigger": "!kick",
		"syntax": "<target>",
		"minRank": 3,
		"callback": kick
	}, {
		"trigger": "!fokabot reconnect",
		"minRank": 3,
		"callback": fokabotReconnect
	}, {
		"trigger": "!silence",
		"syntax": "<target> <amount> <unit(s/m/h/d)> <reason>",
		"minRank": 3,
		"callback": silence
	}, {
		"trigger": "!removesilence",
		"syntax": "<target>",
		"minRank": 3,
		"callback": removeSilence
	}, {
		"trigger": "!system restart",
		"minRank": 4,
		"callback": systemRestart
	}, {
		"trigger": "!system shutdown",
		"minRank": 4,
		"callback": systemShutdown
	}, {
		"trigger": "!system reload",
		"minRank": 3,
		"callback": systemReload
	}, {
		"trigger": "!system maintenance",
		"minRank": 3,
		"callback": systemMaintenance
	}, {
		"trigger": "!system status",
		"minRank": 3,
		"callback": systemStatus
	}, {
		"trigger": "!ban",
		"syntax": "<target>",
		"minRank": 3,
		"callback": ban
	}, {
		"trigger": "!unban",
		"syntax": "<target>",
		"minRank": 3,
		"callback": unban
	}
]

# Commands list default values
for cmd in commands:
	cmd.setdefault("syntax", "")
	cmd.setdefault("minRank", 1)
	cmd.setdefault("callback", None)
	cmd.setdefault("response", "u w0t m8?")