#!/usr/bin/python2
#client for  msg_daemon

import socket
import sys
import argparse
import pickle

# Create a UDS socket
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)

# Connect the socket to the port where the server is listening
server_address = '/run/msg_socket'
def send_message(message):
    #print >>sys.stderr, 'connecting to %s' % server_address
    try:
        sock.connect(server_address)
    except socket.error, msg:
        print >>sys.stderr, msg
        sys.exit(1)
    try:
        sock.sendall(message)
        #amount_received = 0
        #amount_expected = len(message)

        #while amount_received < amount_expected:
        #    data = sock.recv(16)
        #    amount_received += len(data)
        #    print >>sys.stderr, 'received "%s"' % data

    finally:
        #print >>sys.stderr, 'closing socket'
        print "message sent"
        sock.close()


if __name__ == "__main__":
    parser = argparse.ArgumentParser()

    parser.add_argument('--tag', action='store', dest='tag',help='message tag')
    parser.add_argument('--timeout', action='store', dest='timeout',help='time to display message')
    action = parser.add_mutually_exclusive_group(required=True)
    action.add_argument('--msg', action='store', dest='msg', help='Add message to the queue')
    action.add_argument('--clear', action='store_true', help='Remove message from queue that match tag')
    action.add_argument('--kill', action='store_true', help='Kill current msg thats displayed')

    results = parser.parse_args()
    resultsdict = vars(results)

    if results.msg :
        cmd = "msg"
    elif results.clear:
        cmd = "clear"
    elif results.kill:
        cmd = "kill"

    arg_dict = {'cmd':cmd , 'msg':resultsdict['msg'] , 'tag':resultsdict['tag'] , 'timeout':resultsdict['timeout']}
    send_message(pickle.dumps(arg_dict))
    #sys.exit(0)