#!/usr/bin/python

from twisted.internet import reactor, protocol
from twisted.protocols.basic import LineReceiver


#   camState = {'temp': "301.5", 'shspd': "21", 'ffmt': "TIFF", 'binres': "4", 'imsz': "2048", 'xstart': "0", 'ystart': "0", 'floc': "/experiments/dingo/camdata", 'fname': "image003.tiff", 'fcntr': "3", 'status': "Idle", 'shtime': "6"}
class CamServ(LineReceiver):

    def __init__(self):
        self.camState = {'camera': "clock=1mhz,bin=1x,size=2048,gain=1xhs,flip=normal,xpos=0,ypos=0,exposure=0.777,temperature=-50,threshold=800,shutteropentime=100,shutterclosetime=200", 'file': "path=/experiments/dingo/data,basename=DingoTst,startnumber=1,imageformat=tiff,experimentdetail=this is an experiment", 'meta': "sx=100,sy=200,experiment=testing3", 'status': "camera status", 'state': "Idle", 'info': "camera info"}
        print "Camera get/set commands: ", self.camState.keys()

    def getCmd(self, par):
        if par in self.camState:
            self.sendLine(self.camState[par])
        else:
            self.sendLine("ERROR: Unknown parameter, " + par)

    def setCmd(self, s):
        par,val = s.split(',',1)
        if par in self.camState:
            self.camState[par] = val
            self.sendLine("OK")
        else:
            self.sendLine("ERROR: Unknown parameter, " + par)

    def takeCmd(self, cmd):
        if cmd == 'shot':
            self.sendLine("OK")
        elif cmd == 'multishot':
            self.sendLine("OK")
        else:
            self.sendLine("ERROR:1")

    def clearCmd(self, par):
        if par == 'meta':
            self.sendLine("OK")
        else:
            self.sendLine("ERROR:1")

    def lineReceived(self, line):
        print "RECEIVED: " + line
        cmd = line.split()
        if len(cmd) == 0:
            self.sendLine(line)
            return
        if cmd[0]   == "get":
            self.getCmd(cmd[1])
        elif cmd[0] =="set":
            if len(cmd) == 1:
                self.sendLine("ERROR:2")
                return
            self.setCmd(cmd[1])
        elif cmd[0] == "take":
            if len(cmd) == 1:
                self.sendLine("ERROR:2")
                return
            self.takeCmd(cmd[1])
        elif cmd[0] == "clear":
            if len(cmd) == 1:
                self.sendLine("ERROR:2")
                return
            self.clearCmd(cmd[1])
        else:
            self.sendLine("ERROR: Unknown command, " + line)


def main():
    factory = protocol.ServerFactory()
    factory.protocol = CamServ
    reactor.listenTCP(63300,factory)
    reactor.run()

if __name__ == '__main__':
    main()