import { realtimeWeather; forecastWeather } "mo:weatherapi-client/Apis/APIsApi";
import { type Config; defaultConfig } "mo:weatherapi-client/Config";
import Array "mo:core/Array"; // in scope so `days.map(…)` dot notation resolves

persistent actor {
  // The key is a query-string credential. Hold it in a stable variable set by
  // an admin call; never hard-code it in source.
  func config(apiKey : Text) : Config = { defaultConfig with auth = ?#apiKey apiKey };

  // `q` is any WeatherAPI location query: "Zurich", "47.37,8.55", a postcode,
  // an IATA code, or "auto:ip".
  public func currentTempC(apiKey : Text, q : Text) : async ?Float {
    let res = await* realtimeWeather(config apiKey, q, "");
    do ? { res.current!.temp_c! };
  };

  // Daily maxima for the next three days.
  public func maxTempsC(apiKey : Text, q : Text) : async [?Float] {
    let res = await* forecastWeather(config apiKey, q, #_3_, "", 0, 0, "", "no", "no", 0);
    let ?forecast = res.forecast else return [];
    let ?days = forecast.forecastday else return [];
    days.map(func(d) = do ? { d.day!.maxtemp_c! });
  };
}