import re
import socket
import json
import urllib.request
from unicodedata import *




# --------------------------------------------- Start Settings ----------------------------------------------------
HOST = "irc.twitch.tv"                          # Hostname of the IRC-Server in this case twitch's
PORT = 6667                                     # Default IRC-Port
CHAN = "#aerozztv"                               # Channelname = #{Nickname}
NICK = "Evilbot254"                                # Nickname = Twitch username
PASS = "oauth:y93pv2z5ii0usy6538esd30fc2gdr3"   # www.twitchapps.com/tmi/ will help to retrieve the required authkey
# --------------------------------------------- End Settings -------------------------------------------------------


# --------------------------------------------- Start Functions ----------------------------------------------------
def send_pong(msg):
    con.send(bytes('PONG %s\r\n' % msg, 'UTF-8'))


def send_message(chan, msg):
    con.send(bytes('PRIVMSG %s :%s\r\n' % (chan, msg), 'UTF-8'))


def send_nick(nick):
    con.send(bytes('NICK %s\r\n' % nick, 'UTF-8'))


def send_pass(password):
    con.send(bytes('PASS %s\r\n' % password, 'UTF-8'))


def join_channel(chan):
    con.send(bytes('JOIN %s\r\n' % chan, 'UTF-8'))


def part_channel(chan):
    con.send(bytes('PART %s\r\n' % chan, 'UTF-8'))
# --------------------------------------------- End Functions ------------------------------------------------------


# --------------------------------------------- Start Helper Functions ---------------------------------------------
def get_sender(msg):
    result = ""
    for char in msg:
        if char == "!":
            break
        if char != ":":
            result += char
    return result


def get_message(msg):
    result = ""
    i = 3
    length = len(msg)
    while i < length:
        result += msg[i] + " "
        i += 1
    result = result.lstrip(':')
    return result


def parse_message(msg):
    if len(msg) >= 1:
        msg = msg.split(' ')
        options = {'!test': command_test,
                   '!hello': command_hello,
                   '!price': command_price,
                   '!mom': command_mom,
                   '!steamprofile': command_steamprofile,
                   '!steamid64': command_testing,
                   '!followingsince': command_following,
                   '!inventoryprice': command_inventory,
                   '!asdf': command_asdf}
        if msg[0] in options:
            options[msg[0]]()
# --------------------------------------------- End Helper Functions -----------------------------------------------


# --------------------------------------------- Start Command Functions --------------------------------------------
def command_test():
    send_message(CHAN, 'testing some stuff')

def command_hello():
    send_message(CHAN, 'Hello my name is evilbot254')

def command_mom():
    send_message(CHAN, 'Your mom is gay')

def back_apiError():
    send_message(CHAN, "@%s -> This bot sucks please try again later." % sender)

def command_testing():
    global target
    msg = message[:-1].split(" ")
    cmd = msg[0].lower()
    if len(msg) >= 2:
        target = msg[1].strip("@").lower()
    else:
        target = sender
    page = urllib.request.urlopen("https://api.twitch.tv/api/channels/%s" % target).read().decode("utf-8")
    jsonData = json.loads(page)
    steamid64 = jsonData["steam_id"]
    if steamid64:
        if target == sender:
            send_message(CHAN, "@%s -> Your steamid64 is %s" % (sender,steamid64))
        else:
            send_message(CHAN, "@%s -> %s's steamid64 is %s" % (sender,target,steamid64))
    else:
        if target == sender:
            send_message(CHAN, "@%s -> Your steam account is not linked." % sender)
        else:
            send_message(CHAN, "@%s -> %s's Steam account is not linked." % (sender, target))

def command_price():
    global target
    msg = message[:-1].split(" ")
    cmd = msg[0].lower()
    if len(msg) >= 2:
        target = msg[1:]
        skin = ""
        for word in target:
            skin = skin + word + " "
        skin = skin[:-1]
        skin = skin.replace(" ", "%20")
        skin = skin.replace("star", "★")
        skin = skin.replace("stattrak", "StatTrak")
        try:
            req = urllib.request.Request("http://csgobackpack.net/api/GetItemPrice/?currency=USD&id=%s&time=7&icon=1" % skin, headers={'User-Agent': 'Mozilla/5.0'})
            page = urllib.request.urlopen(req).read().decode('utf-8')
            jsonData = json.loads(page)
            try:
                average = jsonData["average_price"]
                lowest = jsonData["lowest_price"]
                send_message(CHAN, 'The average price is $%s and the lowest price is $%s' % (average,lowest))
            except KeyError:
                send_message(CHAN, "Invalid name!")
        except socket.error:
            send_message(CHAN, "@%s -> %s is not a valid name." (sender, skin))
        except UnicodeEncodeError:
            send_message(CHAN, "Knives are not working yet")
    else:
        send_message(CHAN, "You must provide a skin name.")


def command_steamprofile():
    global target
    msg = message[:-1].split(" ")
    cmd = msg[0].lower()
    if len(msg) >= 2:
        target = msg[1].strip("@").lower()
    else:
        target = sender
    page = urllib.request.urlopen("https://api.twitch.tv/api/channels/%s" % target).read().decode("utf-8")
    jsonData = json.loads(page)
    steamid64 = jsonData["steam_id"]
    if steamid64:
        if target == sender:
            send_message(CHAN, "@%s -> Your steamprofile is https://steamcommunity.com/profiles/%s" % (sender,steamid64))
        else:
            send_message(CHAN, "@%s -> %s's steamidprofile is https://steamcommunity.com/profiles/%s" % (sender,target,steamid64))
    else:
        if target == sender:
            send_message(CHAN, "@%s -> Your steam account is not linked." % sender)
        else:
            send_message(CHAN, "@%s -> %s's Steam account is not linked." % (sender, target))


def command_following():
    global target
    msg = message[:-1].split(" ")
    cmd = msg[0].lower()
    if len(msg) >= 2:
        target = msg[1].strip("@").lower()
    else:
        target = sender

    page = urllib.request.urlopen(" https://apis.rtainc.co/twitchbot/following?channel=AerozzTV&user=%s" % target).read().decode("utf-8")
    if ("is not following" in page):
        if (target == sender):
            send_message(CHAN, "@%s -> You are not following" % sender)
        else:
            send_message(CHAN, "@%s -> %s is not following" % (sender,target))
    else:

        if (target == sender):
            send_message(CHAN, "@%s -> you have been following for %s " % (sender,page))
        else:
            send_message(CHAN, "@%s -> %s Has been following for %s" % (sender,target,page))

def command_inventory():
    global target
    msg = message[:-1].split(" ")
    cmd = msg[0].lower()
    if len(msg) >= 2:
        target = msg[1].strip("@").lower()
    else:
        target = sender
    try:
        page = urllib.request.urlopen("https://api.twitch.tv/api/channels/%s" % target).read().decode("utf-8")
        jsonData = json.loads(page)
        steamid64 = jsonData["steam_id"]
        if steamid64:
            req = urllib.request.Request("http://csgobackpack.net/api/GetInventoryValue/?id=%s" % steamid64, headers={'User-Agent': 'Mozilla/5.0'})
            page = urllib.request.urlopen(req).read().decode('utf-8-sig')
            jsonData = json.loads(page)
            price = jsonData["value"]
            if target == sender:
                send_message(CHAN,"@%s -> Your Inventory Value is: %s" % (sender,price))
            else:
                send_message(CHAN,"@%s -> %s's Inventory Value is %s" % (sender,target,price))
        else:
            if target == sender:
                send_message(CHAN,"@%s -> Your steam account must be linked to check your inventory value!" %sender)
            else:
                send_message(CHAN,"@%s -> %s's Steam account is not linked." %(sender, target))
    except socket.error:
        send_message(CHAN,"@%s -> That Twitch username seems to be invalid." % sender)


def command_asdf():
    send_message(CHAN, 'asdfster')

# --------------------------------------------- End Command Functions ----------------------------------------------

con = socket.socket()
con.connect((HOST, PORT))

send_pass(PASS)
send_nick(NICK)
join_channel(CHAN)

data = ""

while True:
    try:
        data = data+con.recv(1024).decode('UTF-8')
        data_split = re.split(r"[~\r\n]+", data)
        data = data_split.pop()

        for line in data_split:
            line = str.rstrip(line)
            line = str.split(line)

            if len(line) >= 1:
                if line[0] == 'PING':
                    send_pong(line[1])

                if line[1] == 'PRIVMSG':
                    sender = get_sender(line[0])
                    message = get_message(line)
                    parse_message(message)

                    print(sender + ": " + message)

    except socket.error:
        print("Socket died")

    except socket.timeout:
        print("Socket timeout")