#!/usr/bin/env python
"""Script for the Waybar weather module."""

import getopt
import json
import locale
import sys
import urllib.parse
from datetime import datetime
import requests

# see https://docs.python.org/3/library/locale.html#background-details-hints-tips-and-caveats
locale.setlocale(locale.LC_ALL, "")
current_locale, _ = locale.getlocale(locale.LC_NUMERIC)
data = {}
city = "auto"
temperature = "C"
temperature_unit = "celsius"
distance = "km"
wind_speed_unit = "kmh"

if current_locale == "en_US":
    temperature = "F"
    distance = "miles"

argument_list = sys.argv[1:]
options = "t:c:d:"
long_options = ["temperature=", "city=", "distance="]

try:
    args, values = getopt.getopt(argument_list, options, long_options)

    for current_argument, current_value in args:
        if current_argument in ("-t", "--temperature"):
            temperature = current_value[0].upper()
            if temperature not in ("C", "F"):
                msg = "temperature unit is neither (C)elsius, nor (F)ahrenheit"
                raise RuntimeError(
                    msg,
                    temperature,
                )

        elif current_argument in ("-d", "--distance"):
            distance = current_value.lower()
            if distance not in ("km", "miles"):
                msg = "distance unit is neither km, nor miles", distance
                raise RuntimeError(msg)

        else:
            city = urllib.parse.quote(current_value)

except getopt.error as err:
    print(str(err))
    sys.exit(1)

if temperature == "F":
    temperature_unit = "fahrenheit"

if distance == "miles":
    wind_speed_unit = "mph"

try:
    headers = {"Accept-Language": f"{locale.getlocale()[0].replace("_", "-")},{locale.getlocale()[0].split("_")[0]};q=0.5"}
    weather = requests.get(f"https://manjaro-sway.download/weather/{city}?temperature_unit={temperature_unit}&wind_speed_unit={wind_speed_unit}", timeout=10, headers=headers).json()
except (
    requests.exceptions.HTTPError,
    requests.exceptions.ConnectionError,
    requests.exceptions.Timeout,
) as err:
    print(str(err))
    sys.exit(1)

print(json.dumps(weather))