# code based on https://developer.here.com/blog/understanding-geocoding-with-python
#
# copy or rename to loc-foxtelem.py and add api key

import requests
from os import system
import re

latitude = 0
longitude = 0
grid = ""

print("\nIn order to track the satellites as they fly over your location and upload your satellite telemetry data to the AMSAT servers, we need to know your location")
print("\nYou can enter:\n")
print("1. Location name (e.g. country or city, state, etc)")
print("2. Grid square (e.g. FM29ha)")
print("3. Latitude and longitude")
print("4. No location\n")

choice = input ("Enter your choice (1 -4): ")

if (choice == '2'):    
  regex = '[A-Z]+[A-Z]+[0-9]+[0-9]+[a-z]+[a-z]'

  grid = input("\nType your 6 character character grid square (i.e. FM29ha): ")

  if re.search(regex, grid):
    print("grid is valid!")
  else:
    print("grid is not valid!")
    
elif (choice == '3'):
  
  lat = input("\nType your latitude: ")
  try:
          latitude = float(lat)
          print(latitude)
  except ValueError:
          print("Not a number!")
  long = input("\nType your longitude: ")
  try:
          longitude = float(long)
          print(longitude)
  except ValueError:
          print("Not a number!")
      
elif (choice == '1'):          
  URL = "https://geocode.search.hereapi.com/v1/geocode"

  print("\nEnter your location  including country. \n\n")
  location = input("Type your location: ") #taking user input
  api_key = '' # Acquire from developer.here.com
  PARAMS = {'apikey':api_key,'q':location} 

  try:
    # sending get request and saving the response as response object 
    r = requests.get(url = URL, params = PARAMS) 
    data = r.json()

    #print(data)

    latitude = data['items'][0]['position']['lat']
    longitude = data['items'][0]['position']['lng']

    print(latitude)
    print(longitude)
  
  except:
    print("There is a problem with the location API.  Please try again")

else:
  print("\nYou have chosen not to enter your location.")
  print("To track satellites and upload telemetry data,") 
  print("you can set your location in Settings in FoxTelem.")
  
#file = open(r"/home/pi/CubeSatSim/groundstation/.profile","w+")

if ((latitude != 0) and (longitude != 0) or grid):

  if not grid:
      latSedStr = 'sed -i "s/latitude=.*/latitude=' + str(latitude) + '/g" /home/pi/FoxTelemetryData/FoxTelem.properties'
      #print (latSedStr)
      system(latSedStr)

      longSedStr = 'sed -i "s/longitude=.*/longitude=' + str(longitude) + '/g" /home/pi/FoxTelemetryData/FoxTelem.properties'
      #print (longSedStr)
      system(longSedStr)

      print("\nFoxTelem configuration updated with your latitude and longitude")

  else:

      gridSedStr = 'sed -i "s/maidenhead=.*/maidenhead=' + grid + '/g" /home/pi/FoxTelemetryData/FoxTelem.properties'
      #print (gridSedStr)
      system(gridSedStr)
            
      print("\nFoxTelem configuration updated with your maidenhead grid square")


  alt = input("\nType your altitude: ")
  try:
    altitude = int(alt)
    #print(altitude)
    altSedStr = 'sed -i "s/altitude=.*/altitude=' + str(altitude) + '/g" /home/pi/FoxTelemetryData/FoxTelem.properties'
    #print (altSedStr)
    system(altSedStr)
    
    print("\nFoxTelem configuration updated with your alitude")
  
  except ValueError:
    print("Not a number!")