import util.Strings as Strings
import pdb
from operationscore.Input import *
import socket, json, time
import logging as main_log
import string

class TCPInput(Input):
    def inputInit(self):
        self.HOST = ''                 # Symbolic name meaning all available interfaces
        self.PORT = self.argDict['Port']              # Arbitrary non-privileged port
        self.BUFFER_SIZE = 1024
        self.IS_RESPONDING = 1
        
        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        self.sock.bind((self.HOST, self.PORT))
        self.sock.listen(1)
        (self.conn, self.address) = self.sock.accept()

    def sensingLoop(self):
        data = self.conn.recv(self.BUFFER_SIZE)
        main_log.debug('Incoming data', data)
        if not data or 'end' in data or data == '': # data end, close socket
            main_log.debug('End in data')
            print 'end of stream'
            self.IS_RESPONDING = 0
            self.conn.close()
            self.sock.close()
        
        if self.IS_RESPONDING == 1: # if 'responding', respond to the received data
            dataDict = json.loads(data)
            self.respond(dataDict)

            #try:
            #    for datagroup in data.split('\n'):
            #        if datagroup != None and datagroup != '':
            #            dataDict = json.loads(datagroup)
            #            self.respond(dataDict)
                        # socketDict = {'data':dataDict, 'address':self.address}
                        #socketDict = {Strings.LOCATION: (dataDict['x'], dataDict['y'])} # like PygameInput
                        #print 'input'
                        #self.respond(socketDict)
            #except Exception as exp:
            #    print str(exp) 
        else:
            # if not 'responding', don't respond to data and restart socket
            # * an incomplete hack for now. will be changed if same-type-multi-Input is implemented.

            self.IS_RESPONDING = 1
            self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
            self.sock.bind((self.HOST, self.PORT))
            self.sock.listen(1)
            (self.conn, self.address) = self.sock.accept()