/**
* pollen.ts - Open-Meteo pollen handler
*
* This file contains handler functions for fetching pollen data from Open-Meteo Air Quality API.
*
* Dependencies:
* - ../../types/environmental.js (for PollenResponse)
* - ../../utils/api-client.js (for fetchJson)
* - ../../utils/error-handling.js (for createErrorResponse)
*
* @author Cline
*/
import { PollenResponse } from "../../types/environmental.js";
import { fetchJson } from "../../utils/api-client.js";
import { createErrorResponse } from "../../utils/error-handling.js";
import { ToolResponse } from "../../types/common.js";
// ====================================
// Pollen API Handlers
// ====================================
/**
* Handles the pollen data request.
*
* @param {number} latitude - Latitude coordinate.
* @param {number} longitude - Longitude coordinate.
* @param {number} [forecast_days=3] - Number of forecast days (1-5).
* @returns {Promise<ToolResponse>} A ToolResponse containing the pollen data or an error.
*/
export async function handlePollen(
latitude: number,
longitude: number,
forecast_days: number = 3
): Promise<ToolResponse> {
const url = new URL("https://air-quality-api.open-meteo.com/v1/air-quality");
url.searchParams.append("latitude", latitude.toString());
url.searchParams.append("longitude", longitude.toString());
url.searchParams.append("current", "european_alder_pollen,birch_pollen,grass_pollen,mugwort_pollen,olive_pollen,ragweed_pollen");
url.searchParams.append("daily", "european_alder_pollen_max,birch_pollen_max,grass_pollen_max,mugwort_pollen_max,olive_pollen_max,ragweed_pollen_max");
url.searchParams.append("forecast_days", forecast_days.toString());
url.searchParams.append("timezone", "auto");
try {
const data = await fetchJson<PollenResponse>(url.toString());
return {
content: [{
type: "text",
text: JSON.stringify({
location: { latitude, longitude },
current: data.current,
daily: data.daily
}, null, 2)
}],
isError: false
};
} catch (error) {
return createErrorResponse(`Pollen request failed: ${error instanceof Error ? error.message : String(error)}`);
}
}
