import requests
from pprint import pprint

# Asystent podróży
# Api pogoodwe - https://openweathermap.org/api
# Api z informacjami o krajach - https://restcountries.com/
# Api z informacjami o kursach walut - https://api.nbp.pl/#info


API_KEY = "55cad622d75aada095d828ad0389c025"

def check_coordinates(city, API_KEY):
    response = requests.get(f'http://api.openweathermap.org/geo/1.0/direct?q={city}&appid={API_KEY}')
    #print(response.status_code)
    #pprint(response.json())
    lat = response.json()[0]['lat']
    lon = response.json()[0]['lon']
    country = response.json()[0]['country']
    return lat, lon, country

def get_weather_info(lat,lon):
    response = requests.get(f'https://api.openweathermap.org/data/2.5/weather?lat={lat}&lon={lon}&limit=1&appid={API_KEY}&lang=PL&units=metric')
    #print(response.status_code)
    #pprint(response.json())
    response_json = response.json()
    weather = response_json['weather'][0]['description']
    temperature = response_json['main']['temp']
    pressure = response_json['main']['pressure']
    humidity = response_json['main']['humidity']
    return weather, temperature, pressure, humidity

def get_currency_code(country_code):
    url = f"https://restcountries.com/v3.1/alpha/{country_code.upper()}"
    response = requests.get(url)
    currency_code = list(response.json()[0]['currencies'].keys())[0]
    return currency_code

def get_country_full_name(country_code):
    url = f"https://restcountries.com/v3.1/alpha/{country_code.upper()}"
    try:
        response = requests.get(url)
        country_name = response.json()[0]['name']['common']
    except:
        return country_code
    return country_name

def get_currency_ratio(ori_curr, dest_curr):
    if ori_curr != "PLN":
        url = f"http://api.nbp.pl/api/exchangerates/rates/A/{ori_curr.lower()}/"
        response = requests.get(url)
        ori_ratio = response.json()['rates'][0]['mid']
    else:
        ori_ratio = 1

    if dest_curr != "PLN":
        url = f"http://api.nbp.pl/api/exchangerates/rates/A/{dest_curr.lower()}/"
        response = requests.get(url)
        dest_ratio = response.json()['rates'][0]['mid']
    else:
        dest_ratio = 1

    ratio = float(ori_ratio)/float(dest_ratio)
    return ratio

def print_weather_info(place):
    lat,lon,_ = check_coordinates(place, API_KEY)
    weather, temperature, pressure, humidity = get_weather_info(lat,lon)
    print(f"pogoda dla miasta {place} : {weather}")
    print(f"temperatura: {temperature} st.C")
    print(f'cisnienie {pressure} hPa')
    print(f"wilgotnosc {humidity} %")
origin_place = None
destination_place = None

while True:
    print('''jaka akcje chcesz wykonac
                1.podaj/zmien miejce startowe
                2.podaj/zmien miejsce docelowe
                3.sprawdz lokalizacje miejsca startowego
                4.sprawdz lokalizacje miejsca docelowego
                5.sprawdz pogode miejsca startowego
                6.sprawdz pogode miejsca docelowego
                7.dowiedz sie wiecj o walucie
                8.koniec''')
    chosen_option = int(input())
    if chosen_option == 1:
        origin_place = input("podaj miasto startowe.\n")
    elif chosen_option == 2:
        destination_place = input("podaj miasto docelowe.\n")
    elif chosen_option == 3:
        if origin_place is not None:
            lat,lon,country = check_coordinates(origin_place, API_KEY)
            country_name = get_country_full_name(country)
            print(f"miasto {origin_place} lezy w kraju {country_name}\n dlugosc geograficzna: {lon}, szerokosc geograficzna: {lat}")
        else:
            print("najpierw musisz wpisac miasto startowe (opcja 1)")
    elif chosen_option == 4:
        if origin_place is not None:
            lat,lon,country = check_coordinates(origin_place, API_KEY)
            country_name = get_country_full_name(country)
            print(f"miasto {origin_place} lezy w kraju {country_name}\n dlugosc geograficzna: {lon}, szerokosc geograficzna: {lat}")
        else:
            print("najpierw musisz wpisac miasto docelowe (opcja 2)") 
    elif chosen_option == 5:
        if origin_place is not None:
            print_weather_info(origin_place)
        else:
            print("najpierw musisz podac miasto startowe (opcja 1")

    elif chosen_option == 6:
        if destination_place is not None:
            print_weather_info(destination_place)
        else:
            print("najpierw musisz podac miasto startowe (opcja 2")
    elif chosen_option == 7:
        if origin_place is not None:
            if destination_place is not None:
                _,_,origin_country_code = check_coordinates(origin_place, API_KEY)
                _,_,destination_country_code = check_coordinates(destination_place, API_KEY)
                origin_currency = get_currency_code(origin_country_code)
                destination_currency = get_currency_code(destination_country_code)
                currency_ratio = get_currency_ratio(origin_currency, destination_currency)
                print(f"w miescie startowym obowiazuje waluta: {origin_currency}")
                print(f"w miescie docelowym obowiazuje waluta: {destination_currency}")
                print(f"kurs walut 1 {origin_currency} = {currency_ratio}{destination_currency}")
            else:
                print("najpierw musisz podac miasto docelowe")
        else:
            print("najpierw musisz podac miasto startowe")
    elif chosen_option == 8:
        quit()
    else:
        print("podano bledna opcje")
    print("nacisnij enter aby kontynuowac...")
    input()