"use server";

import { Forecast, LocationType, coordType } from "@/types/types";

export async function getLocation(searchLocation: string): Promise<coordType> {
  const placesKey = process.env.PLACES_API;
  if (!placesKey) {
    console.error("PLACES_API environment variable is not set");
    throw new Error("PLACES_API environment variable is not set");
  }

  const url = `https://maps.googleapis.com/maps/api/geocode/json?address=${searchLocation}&key=${placesKey}`;
  console.log(`Fetching URL: ${url}`);

  try {
    const res = await fetch(url);
    if (!res.ok) {
      console.error(`Fetch error: ${res.statusText}`);
      throw new Error(`There was an error fetching the data`);
    }

    const data: LocationType = await res.json();
    if (!data.results[0]?.formatted_address) {
      console.error("Unable to find the address in the response");
      throw new Error(`Unable to find the address`);
    }

    return {
      name: data.results[0].formatted_address,
      geo: data.results[0].geometry.location,
    };
  } catch (error) {
    console.error("Error fetching location:", error);
    throw new Error("Error fetching location");
  }
}

export async function getHourlyForecast(
  geoLocation: coordType
): Promise<Forecast> {
  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: Forecast = await res.json();
  return data;
}