#!/usr/bin/env python

import argparse
import threading
import time
import random

from argaze.TobiiGlassesPro2 import TobiiController
from argaze.utils import MiscFeatures

def main():
    """
    Record a Tobii Glasses Pro 2 session on Tobii interface's SD Card
    """

    # Manage arguments
    parser = argparse.ArgumentParser(description=main.__doc__.split('-')[0])
    parser.add_argument('-t', '--tobii_ip', metavar='TOBII_IP', type=str, default='192.168.1.10', help='tobii glasses ip')
    parser.add_argument('-p', '--project_name', metavar='PROJECT_NAME', type=str, default=TobiiController.DEFAULT_PROJECT_NAME, help='project name')
    parser.add_argument('-u', '--participant_name', metavar='PARTICIPANT_NAME', type=str, default=TobiiController.DEFAULT_PARTICIPANT_NAME, help='participant name')
    args = parser.parse_args()

    # Create tobii controller
    tobii_controller = TobiiController.TobiiController(args.tobii_ip, args.project_name, args.participant_name)

    # Calibrate tobii glasses
    tobii_controller.calibrate()

    # Create recording
    recording_id = tobii_controller.create_recording(args.participant_name)

    # Start recording
    tobii_controller.start_recording(recording_id)
    print('Recording started')

    # Define loop
    last_battery_level = 0
    time_count = 0

    exit = MiscFeatures.ExitSignalHandler()
    print('Waiting for Ctrl+C to quit...\n')

    while not exit.status():

        # Print storage info each minutes
        if time_count % 60 == 0:

            print(tobii_controller.get_storage_info())

        # print battery level each time it changes
        # send it as experimental variable
        battery_level = tobii_controller.get_battery_level()
        if battery_level != last_battery_level:

            print(tobii_controller.get_battery_info())

            tobii_controller.send_variable('battery', battery_level)

            last_battery_level = battery_level

        # send random event each 3 - 10 seconds
        if time_count % random.randint(3, 10) == 0:

            print('Send random event')

            tobii_controller.send_event('random')
            
        # Sleep 1 second
        time.sleep(1)
        time_count += 1

    # Stop recording
    tobii_controller.stop_recording(recording_id)
    print('Recording stopped')

if __name__ == '__main__':

    main()