const TELEGRAM_CHAT_ID = Deno.env.get("TELEGRAM_CHAT_ID"); const TELEGRAM_TOKEN = Deno.env.get("TELEGRAM_TOKEN"); const latitude = Deno.env.get("LATITUDE"); const longitude = Deno.env.get("LONGITUDE"); const openWeatherMapAppId = Deno.env.get("OPENWEATHERMAP_APP_ID"); type WeatherData = { date: string; minTemperature: string; maxTemperature: string; willItRain: string; willItSnow: string; totalRain: string; }; type Forecast = { today: WeatherData; tomorrow: WeatherData; dayAfterTomorrow: WeatherData; }; const formatWeatherForecast = (forecast: Forecast): string => { const formatDate = (data: WeatherData) => ` Date: ${data.date}%0A Min Temperature: ${data.minTemperature} °C%0A Max Temperature: ${data.maxTemperature} °C%0A ${data.willItRain === "Yes" ? `Rain: ${data.willItRain} (${data.totalRain})%0A` : ""} ${data.willItSnow === "Yes" ? `Snow: ${data.willItSnow}%0A` : ""}`; return ` Weather Forecast🌤️%0A Today:%0A ${formatDate(forecast.today)} Tomorrow:%0A ${formatDate(forecast.tomorrow)} Day After Tomorrow:%0A ${formatDate(forecast.dayAfterTomorrow)} `; }; const extractForecast = (weatherData, date) => { const forecasts = weatherData.list.filter(entry => entry.dt_txt.startsWith(date)); let minTemp = forecasts[0].main.temp_min; let maxTemp = forecasts[0].main.temp_max; let willRain = false; let willSnow = false; let totalRain = 0; // Initialize total rain // Iterate over the forecasts to find min, max temperatures and rain/snow status forecasts.forEach(entry => { if (entry.main.temp_min < minTemp) minTemp = entry.main.temp_min; if (entry.main.temp_max > maxTemp) maxTemp = entry.main.temp_max; if (entry.weather.some(w => w.main.toLowerCase() === "rain")) { willRain = true; if (entry.rain && entry.rain["3h"]) { totalRain += entry.rain["3h"]; // Add the rain volume from this forecast to the total } } if (entry.weather.some(w => w.main.toLowerCase() === "snow")) { willSnow = true; } }); const result = { date, minTemperature: minTemp.toFixed(2), maxTemperature: maxTemp.toFixed(2), willItRain: willRain ? "Yes" : "No", willItSnow: willSnow ? "Yes" : "No", totalRain: willRain ? totalRain.toFixed(2) + " mm" : "0 mm", // Always include totalRain, set to "0 mm" if no rain }; return result; }; const fetchForecast = async () => { const response = await fetch( `https://api.openweathermap.org/data/2.5/forecast?lat=${latitude}&lon=${longitude}&units=metric&appid=${openWeatherMapAppId}`, ); const data = await response.json(); const today = new Date(); const tomorrow = new Date(today); tomorrow.setDate(today.getDate() + 1); const dayAfterTomorrow = new Date(today); dayAfterTomorrow.setDate(today.getDate() + 2); const todayForecast = extractForecast(data, today.toISOString().slice(0, 10)); const tomorrowForecast = extractForecast(data, tomorrow.toISOString().slice(0, 10)); const dayAfterTomorrowForecast = extractForecast(data, dayAfterTomorrow.toISOString().slice(0, 10)); const forecastString = { today: todayForecast, tomorrow: tomorrowForecast, dayAfterTomorrow: dayAfterTomorrowForecast, }; return forecastString; }; const sendTextWithTelegram = async (text: string) => { const telegramSendUrl = `https://api.telegram.org/bot${TELEGRAM_TOKEN}/sendMessage?chat_id=${TELEGRAM_CHAT_ID}&parse_mode=HTML&disable_notification=true&text=${text}`; await fetch(telegramSendUrl); }; export default async function(interval: Interval) { const forecast = await fetchForecast(); const formatted = formatWeatherForecast(forecast); sendTextWithTelegram( formatted, ); }

weather_forecast_in_the_morning