#!/usr/bin/env python3
"""Hent vejrdata for byer i Danmark via wttr.in (ingen dependencies)."""

import json
import urllib.request

CITIES = ["Copenhagen", "Aarhus", "Odense", "Aalborg"]


def get_weather(city: str) -> dict:
    url = f"https://wttr.in/{city}?format=j1"
    req = urllib.request.Request(url, headers={"User-Agent": "denmark-weather/1.0"})
    with urllib.request.urlopen(req, timeout=10) as resp:
        return json.loads(resp.read())


def main():
    print("=== Vejrdata for Danmark ===\n")
    for city in CITIES:
        try:
            data = get_weather(city)
            cur = data["current_condition"][0]
            temp = cur["temp_C"]
            feels = cur["FeelsLikeC"]
            humidity = cur["humidity"]
            wind_kmph = cur["windspeedKmph"]
            wind_dir = cur["winddir16Point"]
            desc = cur["weatherDesc"][0]["value"]
            precip = cur["precipMM"]

            print(f"  {city}")
            print(f"    Temperatur:  {temp}°C (føles som {feels}°C)")
            print(f"    Forhold:     {desc}")
            print(f"    Fugtighed:   {humidity}%")
            print(f"    Vind:        {wind_kmph} km/t ({wind_dir})")
            print(f"    Nedbør:      {precip} mm")
            print()
        except Exception as e:
            print(f"  {city}: fejl — {e}\n")

    print("Kilde: wttr.in")


if __name__ == "__main__":
    main()