/**
* weather.ts - Open-Meteo weather handler
*
* This file contains handler functions for fetching weather data from Open-Meteo API.
*
* Dependencies:
* - ../../types/environmental.js (for WeatherResponse)
* - ../../utils/api-client.js (for fetchJson)
* - ../../utils/error-handling.js (for createErrorResponse)
*
* @author Cline
*/
import { fetchJson } from "../../utils/api-client.js";
import { createErrorResponse } from "../../utils/error-handling.js";
// ====================================
// Weather API Handlers
// ====================================
/**
* Handles the weather data request.
*
* @param {number} latitude - Latitude coordinate.
* @param {number} longitude - Longitude coordinate.
* @param {number} [forecast_days=3] - Number of forecast days (1-16).
* @param {boolean} [include_hourly=false] - Include hourly forecast.
* @returns {Promise<ToolResponse>} A ToolResponse containing the weather data or an error.
*/
export async function handleWeather(latitude, longitude, forecast_days = 3, include_hourly = false) {
const url = new URL("https://api.open-meteo.com/v1/forecast");
url.searchParams.append("latitude", latitude.toString());
url.searchParams.append("longitude", longitude.toString());
url.searchParams.append("current", "temperature_2m,relative_humidity_2m,apparent_temperature,precipitation,weather_code,wind_speed_10m,wind_direction_10m");
url.searchParams.append("daily", "temperature_2m_max,temperature_2m_min,precipitation_sum,weather_code");
url.searchParams.append("forecast_days", forecast_days.toString());
url.searchParams.append("timezone", "auto");
if (include_hourly) {
url.searchParams.append("hourly", "temperature_2m,precipitation_probability,weather_code");
}
try {
const data = await fetchJson(url.toString());
return {
content: [{
type: "text",
text: JSON.stringify({
location: { latitude, longitude },
current: data.current,
daily: data.daily,
...(include_hourly && { hourly: data.hourly })
}, null, 2)
}],
isError: false
};
}
catch (error) {
return createErrorResponse(`Weather request failed: ${error instanceof Error ? error.message : String(error)}`);
}
}
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