#   An IRC bot named Flea
#   Copyright (C) 2016  Kris Lamoureux

#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU Affero General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.

#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU Affero General Public License for more details.

#   You should have received a copy of the GNU Affero General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>

from core.config import *
import core.irclib as irclib

# Built-in to Python 2.7
import socket
import ssl

def main():
    config = cfgParser("settings.conf")

    # Create irclib irc object
    irc = irclib.irc()

    # Set debug to true/false inside irc() object
    irc.debug = config["debug"]

    # Create socket object
    irc.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    # Wrap socket object to create SSLSocket object
    irc.sock = ssl.wrap_socket(irc.sock)

    # Connect to IRC server
    irc.sock.connect((config["host"], config["port"]))
    print "Connecting to "+config["host"]+':'+str(config["port"])

    # Display SSL information to the user
    ssl_info = irc.sock.cipher()
    if ssl_info != None:
        print "[SSL] Cipher: "+ssl_info[0]
        print "[SSL] Version: "+ssl_info[1]
        print "[SSL] Bits: "+str(ssl_info[2])

    # Send User/Nick message to establish user on the server
    irc.User(config["ident"], config["mode"],
            config["unused"], config["realname"])

    irc.Nick(config["nick"])

    while True:
        # Buffer to store data from server
        data = ''

        while True:
            # Receive data from connection
            tmpdata = irc.sock.recv(4096)
            data = data + tmpdata

            if len(tmpdata) < 4096:
                break
        
        # If no incoming data exists then connection has closed
        if len(tmpdata) == 0:
            input("Connection closed.")
            sys.exit()

        # Split data to easily deal with it
        data = tmpdata.split("\r\n")

        # Parse IRC line by line
        for line in data:

            # Ignore empty lines
            if len(line) > 0:

                # Print line, parse it and respond
                print line
                pack = irc.Parser(line)
    
                # Ping Pong, keep the connection alive.
                if pack["cmd"] == "PING":
                    irc.Pong(pack["text"])

                # Send user mode message after command 001
                elif pack["cmd"] == "001":
                    irc.Mode(config["nick"], config["mode"])

                # Send password after End of MOTD
                elif pack["cmd"] == "376":
                    irc.Identify(config["password"])
                    # Temp test join
                    irc.Join("#Flea")
    

main()