#!/usr/bin/env python3
from os import environ
import subprocess
import json
import sys
import re

def main():
    adb_cmd = subprocess.Popen(['adb', 'devices', '-l'], stdout=subprocess.PIPE,
        stderr=subprocess.PIPE, universal_newlines=True)
    adb_cmd.wait()
    out, _ = adb_cmd.communicate()
    for num, line in enumerate(out.strip().split('\n')):
        if line == 'List of devices attached':
            devices = out.strip().split('\n')[num+1:]
            break
    device = None
    if len(sys.argv) == 1:
        if len(devices) == 1:
            device = devices[0].split()[0]
        elif len(devices) > 1:
            print(f'Please specify a device: {sys.argv[0]} <device>')
            print('More than 1 device detected:')
            print('\n'.join(devices))
            exit(1)
        elif len(devices) == 0:
            print('No devices available! Perhaps first try: adb connect <device>')
            exit(1)
    elif len(sys.argv) == 2:
        device = sys.argv[1]
        if device not in devices:
            print(f'Device not in list, connecting to: {device}')
            adb_cmd = subprocess.run(['adb', 'connect', device])
    else:
        print('Unexpected argument count!')
        exit(1)

    adb_cmd_string = ['adb', '-s', device, 'shell', 'dumpsys', 'location']
    print(f'Running: {adb_cmd_string}')
    adb_cmd = subprocess.Popen(
        adb_cmd_string,
        stdout=subprocess.PIPE,
	stderr=subprocess.PIPE,
        universal_newlines=True)
    adb_cmd.wait()
    out, err = adb_cmd.communicate()
    if adb_cmd.returncode != 0:
        print("adb failed:\n{err}")
        exit(1)
    gps = {}
    for line in out.split('\n'):
        if 'Gnss Location Data' in line:
            gps_data = re.sub('.*Gnss Location Data:: ', '', line)
            for attr in gps_data.split(','):
                gps[attr.split()[0].replace(':', '')] = attr.split()[1]

    # url = f'https://www.google.com/maps/place/{gps["LatitudeDegrees"]},{gps["LongitudeDegrees"]}'
    url = f'http://www.openstreetmap.org/?mlat={gps["LatitudeDegrees"]}&mlon={gps["LongitudeDegrees"]}&zoom=17'
    if environ.get('DISPLAY'):
        subprocess.run(['xdg-open', url])
    else:
        print(url)

main()