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#!/usr/bin/env python2
# -*- coding: utf-8 -*-

import chiplotle
from settings import db
import time
from plottertools.memory import enlargeMemory 

# PLOTTER_SIGNATURE = '7550'
# PLOTTER_PORT= '/dev/ttyUSB0'
VIRTUAL = False

if VIRTUAL:
  plotter = chiplotle.tools.plottertools.instantiate_virtual_plotter()
else:
  plotter = chiplotle.tools.plottertools.instantiate_plotters()[0]

enlargeMemory(plotter)

while True:
  plotcursor = db.plots.find({'plotted': False}).sort('timestamp', 1).limit(1)

  if plotcursor.count() > 0:
    plot = plotcursor[0]

    if plot:
      try:
        plotter.write('IN;{};PG;'.format(str(plot['hpgl'].decode('utf-8'))))
        plotter._serial_port.flush()
        

        db.plots.update({'_id': plot['_id']}, {'$set': {'plotted': True}})
        
        if VIRTUAL:
          chiplotle.tools.io.view(plotter)
          plotter = chiplotle.tools.plottertools.instantiate_virtual_plotter()
      except:
        print 'Something went wrong while plotting'
        pass

  time.sleep(4)