#!/usr//bin/env python
# vim: ts=8 sts=4 sw=4 expandtab
# Author: Douglas Clowes (dcl@ansto.gov.au) 2012-06-29
from twisted.internet import reactor
from twisted.python import log
from twisted.internet.task import LoopingCall
import argparse
import random
import re
import os
import sys
import time
import inspect
from galilfactory import GalilFactory

import curses
sys.path.insert(0, os.path.realpath(os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]),"../../util"))))
from displayscreen import Screen

def device_iterator():
    now = time.time()

def display_iterator():
    global screen, devices, factories

    try:
        rows, cols = screen.stdscr.getmaxyx()
        col = 0
        for idx in sorted(devices.keys()):
            line = 0;
            col += 1
            screen.stdscr.addstr(line, 13 * (col - 1) + 2, "%8s=%d" % (idx, factories[idx].numProtocols))
            line = 1
            for mtr in sorted(devices[idx].motors.keys()):
                screen.stdscr.addstr(line, 0, "%1s:" % mtr)
                try:
                    name =  devices[idx].motors[mtr].name
                    if len(name) > 12:
                        name = name[:12]
                    screen.stdscr.addstr(line, 13 * (col - 1) + 2, "%12s" % name.rjust(12), curses.A_DIM)
                except:
                    screen.stdscr.addstr(line, 13 * (col - 1) + 2, "%12s" % "")
                value = "%12.3f" % devices[idx].motors[mtr].getPosition()
                if (devices[idx].motors[mtr].motorState == "OFF"):
                    screen.stdscr.addstr(line + 1, 13 * (col - 1) + 2, "%s " % value, curses.A_BOLD)
                else:
                    screen.stdscr.addstr(line + 1, 13 * (col - 1) + 2, "%s*" % value, curses.A_STANDOUT)
                line += 2
    except:
        raise
    finally:
        try:
            screen.stdscr.refresh()
        except:
            pass

class MyScreen(Screen):
    def __init__(self, stdscr):
        Screen.__init__(self, stdscr)

    def sendLine(self, txt):
        global devices
        dev, cmd = line.split(":")
        print "Dev:", dev, "Cmd:", cmd
        if dev in devices:
            myDev = devices[dev]
            myDev.protocol = self
            myDev.dataReceived(cmd)

    def write(self, txt):
        try:
            newLine = self.lines[-1] + " => " + txt
            del self.lines[-1]
            self.addLine(newLine)
        except:
            pass

def main(**kwargs):
    global screen, devices, factories
    parser = argparse.ArgumentParser( description="Generates fake Galil controllers for testing SICS" )
    parser.add_argument("instrument", help="The instrument name")
    args = parser.parse_args()

    basePort = {
        'echidna': 62034, 'wombat': 62134, 'kowari': 62230, 'dingo': 62300, 'quokka': 62430, 'platypus': 62530,
        'pelican': 62630, 'taipan': 62730, 'lyrebird': 62830, 'kookaburra': 62930, 'bilby': 63030, 'emu': 63130
               }
    #log.startLogging(sys.stdout)
    log.startLogging(open(("/tmp/Fake_Galil_%d.log" % basePort[args.instrument]), "w"))
    devices = {}
    factories = {}
    for dev in range(0, 6):
        port = basePort[args.instrument] + dev
        controllerName = "mc%d" % (dev + 1)
        factory = GalilFactory(port)
        devices[controllerName] = factory.device
        factories[controllerName] = factory
        reactor.listenTCP(port, factory)

    stdscr = curses.initscr()
    screen = MyScreen(stdscr)
    reactor.addReader(screen)

    #lc = LoopingCall(device_iterator)
    #lc.start(0.5)
    dc = LoopingCall(display_iterator)
    dc.start(0.5)
    reactor.run()

if __name__ == '__main__':
    main()