from flask import jsonify, Flask
import requests
import json

app = Flask(__name__)

#klíč získate na https://home.openweathermap.org/api_keys
KLIC = "f70d944f638a7ae77de89435d4d23c01"
MESTO = "Praha"
# AltGR + C = &
url1 = f"https://api.openweathermap.org/data/2.5/"
url2 = f"weather?q={MESTO}&appid={KLIC}&units=metric&lang=cz"
url = url1 + url2

def nacti_pocasi():
    """Získá data z OpenWeatherMap API"""
    try:
        response = requests.get(url)
        response.raise_for_status()
        if response.status_code == 200:
            data = response.json()
            # AltGr + B|N = {|}
            results = {
                "mesto":data["name"],
                "teplota":data["main"]["temp"],
                "vlhkost":data["main"]["humidity"],
                "popis":data["weather"][0]["description"]
            }
            return results
        else:
            return {"chyba":f"{response.status_code}. Zkontroluj API klíč"}
    except Exception as e:
        return {"chyba":f"Chyba asi v síti: {e}"}

@app.route("/")
def index():
    """Hlavní stránka"""
    pocasi = nacti_pocasi()

    if "chyba" in pocasi:
        return f"<h1>Chyba</h1><p>{pocasi['chyba']}</p>"
    
    html = f"""
    <h1>{pocasi['mesto']}</h1>
    <ul>
        <li> Teplota: {pocasi['teplota']}°C </li>
        <li> Vlhkost: {pocasi['vlhkost']}% </li>
        <li> Popis: {pocasi['popis']} </li>
    </ul>    
    """
    return html

if __name__ == "__main__":
    print("-"*50)
    print("Spouštím Dashboard na počasí")
    print("adresa http://localhost:8080")
    print(f"Město: {MESTO}")
    print("-"*50)
    app.run(host="0.0.0.0",port=8080,debug=True)