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

import json
import re
import sys
import requests

request = requests.get('http://www.ipma.pt/pt/index.html')

MATCH = re.search(r"var data = ({.*?)\;", request.text, re.DOTALL)

"""
text_file = open("bleh.json", "w")
text_file.write(MATCH.group(1))
text_file.close()
"""

data = json.loads(MATCH.group(1))
days = []
for d in data:
    days.append(d)
    days = sorted(days, reverse=True)

# List all available days on the site
# ./getvalues.py days
if len(sys.argv) == 2 and sys.argv[1] == "days":
    print(days)

# Lists data for all the days for a specific weather station
# ./getvalues.py 773
if len(sys.argv) == 2 and sys.argv[1].isnumeric():
    for d in days:
        if data[d][sys.argv[1]] is not None:
            print(d, data[d][sys.argv[1]])

# Prints the data for a specific day and a specific weather station
# ./getvalues.py 2019-03-29 773
if len(sys.argv) == 3:
    print(data[sys.argv[1]][sys.argv[2]])