from datetime import datetime, timezone
from os import environ
import json

import requests

URL = "https://api.weatherapi.com/v1"
REQUEST_TIMEOUT_SECONDS = 10


def time_now() -> str:
    return str(datetime.now(timezone.utc))


def get_current_weather(location: str) -> str:
    weather = Weather(location=location)
    return json.dumps(weather.realtime())


def get_weather_forecast(location: str, days: int = 0) -> str:
    if days is None:
        days = 0

    days = int(days) + 1
    days = max(1, days)
    days = min(14, days)

    weather = Weather(location=location)
    return json.dumps(weather.forecast(days=days))


class Weather:
    def __init__(self, location: str):
        self.__location = location
        self.api_key = environ.get("WEATHER_API_KEY")

    @property
    def location(self) -> str:
        return self.__location

    @staticmethod
    def make_request(method: str, params: dict) -> dict:
        try:
            response = requests.get(
                url=f"{URL}{method}",
                params=params,
                timeout=REQUEST_TIMEOUT_SECONDS,
            )
            response.raise_for_status()
            payload = response.json()
        except requests.RequestException as error:
            return {"error": f"Weather API request failed: {error}"}
        except ValueError as error:
            return {"error": f"Weather API returned invalid JSON: {error}"}

        if isinstance(payload, dict) and "error" in payload:
            api_error = payload["error"]
            if isinstance(api_error, dict):
                message = api_error.get("message", "Unknown weather API error")
            else:
                message = str(api_error)
            return {"error": message}

        return payload

    def realtime(self):
        method = "/current.json"
        params = {
            "key": self.api_key,
            "q": self.location,
        }
        return self.make_request(method=method, params=params)

    def forecast(self, days: int = 14):
        method = "/forecast.json"
        params = {
            "key": self.api_key,
            "q": self.location,
            "days": days,
        }
        return self.make_request(method=method, params=params)


if __name__ == "__main__":
    test_weather = Weather("Aqtobe")
    result = json.dumps(test_weather.forecast(days=13), indent=2)
    print(result)