#! /usr/bin/python3
from auto_run import rpirena, config
rpirena.boot(config)
from time import strftime, gmtime
import sys

import pyinotify
class AutoRun(object):
    fn = 'auto-run'
    def process_event(self, event):
        with open(self.fn) as f:
            mes = f.read().strip()
            if mes:
                open(self.fn, "w").close()
                self.message = mes               
    def __init__(self):
        self.wm = pyinotify.WatchManager()
        self.notifier = pyinotify.Notifier(self.wm, self.process_event, timeout=0)
        self.watch = self.wm.add_watch(self.fn, pyinotify.IN_CLOSE_WRITE)
        self.message = None
    def trigger(self):
        self.notifier.check_events() and self.notifier.read_events()
        self.notifier.process_events()
        mes = self.message
        self.message = None
        return mes

try:
    rpirena.notification = AutoRun()
except Exception as e:
    sys.stderr.write("notification: %s\n" % repr(e))

while True:
    try:
        rpirena.boot(config)
        fn=strftime("data/%Y-%m-%dT%H:%M:%SZ.EI", gmtime())
        rpirena.stream_file(fn)
        if rpirena.notification_messages[-1]=="stop":
            rpirena.altera_reset()
        if rpirena.notification_messages[-1]!="restart":
            break
    except KeyboardInterrupt:
        break
    except:
        pass