local-weather/app/actions.ts

'use server'
import { Forecast, HourlyForecast, LocationType, coordType } from "@/types/types";

//takes address and returns coords in obj as {lat: number, lng: number}
export async function getLocation(searchLocation: string): Promise<coordType>{
    const placesKey = process.env.PLACES_API;
    const url = `https://maps.googleapis.com/maps/api/geocode/json?address=${searchLocation}&key=${placesKey}`;
    const res = await fetch(url);
    if (!res.ok) {
      throw new Error(`There was an error fetching the data`);
    }
    const data: LocationType = await res.json();
    return {
      name: data.results[0].formatted_address,
      geo: data.results[0].geometry.location
      }
  }

// takes coordinates in coordType format and returns json with weather forecast.
export async function getForecast(geoLocation: coordType): Promise<Forecast> {
    const { lat, lng } = geoLocation.geo;
    const appId = process.env.WEATHER_API;
    const res = await fetch(
      `https://api.openweathermap.org/data/2.5/weather?lat=${lat}&lon=${lng}&appid=${appId}`
    );
    if (!res.ok) {
      throw new Error(`Failed to fetch the weather data`);
    }
    const data: Forecast = await res.json();
    return data;
  }

export async function getHourlyForecast(geoLocation: coordType): Promise<HourlyForecast> {
    const { lat, lng } = geoLocation.geo;
    const tz = Intl.DateTimeFormat().resolvedOptions().timeZone;
    const url = `https://api.open-meteo.com/v1/forecast?latitude=${lat}&longitude=${lng}&current=temperature_2m,apparent_temperature,is_day,precipitation,rain,showers,snowfall,weather_code,cloud_cover,wind_speed_10m,wind_direction_10m&hourly=temperature_2m,apparent_temperature,precipitation_probability,precipitation,weather_code,wind_speed_10m,is_day&daily=weather_code,temperature_2m_max,temperature_2m_min,apparent_temperature_max,apparent_temperature_min,sunrise,sunset,daylight_duration,sunshine_duration,uv_index_max,precipitation_sum,precipitation_hours,wind_speed_10m_max&timezone=${tz}`
    const res = await fetch(url);
    if (!res.ok) {
      throw new Error(`Failed to fetch the weather data`);
    }
    const data: HourlyForecast = await res.json();
    return data;
}