var degrees_f = 0;
var degrees_c = 0;
document.addEventListener("DOMContentLoaded", function () {
  fetch(
    "https://forecast.weather.gov/MapClick.php?&lat=37.35&lon=-121.94&FcstType=json",
  )
    .then((response) => response.json())
    .then((data) => {
      degrees_f = parseInt(data.currentobservation.Temp);
      document.getElementById("footer-temperature-f").textContent = degrees_f;
      degrees_c = Math.round(((degrees_f - 32) * 5) / 9);
      document.getElementById("footer-temperature-c").textContent = degrees_c;
      var weather = data.currentobservation.Weather;
      setWeatherIcon(weather);
    })
    .catch(function (error) {
      console.error("Error fetching weather data:", error);
    });
});
const weather_icons = {
  fog: "fog.svg",
  hail: "hail.svg",
  haze: "haze.svg",
  thunderstorm: "cloud-storm.svg",
  "partly cloudy": "cloud-moon.svg",
  rain: "cloud-rain.svg",
  snow: "cloud-snow.svg",
  "partly sunny": "cloud-sun.svg",
  cloudy: "cloudy.svg",
  clear: "moon.svg",
  sunny: "sun.svg",
  windy: "wind.svg",
  frost: "frost.svg",
};
function setWeatherIcon(input) {
  let formatted_weather = input.toLowerCase();
  let result = "";
  const isNight = isNightTime();
  if (formatted_weather.includes("then")) {
    formatted_weather = formatted_weather.slice(
      0,
      formatted_weather.indexOf("then"),
    );
  }
  formatted_weather = formatted_weather.trim();
  if (formatted_weather.includes("hail")) {
    result = "hail";
  } else if (
    formatted_weather.includes("snow") ||
    formatted_weather.includes("flurries") ||
    formatted_weather.includes("flurry") ||
    formatted_weather.includes("wintry")
  ) {
    result = "snow";
  } else if (
    formatted_weather.includes("rain") ||
    formatted_weather.includes("shower") ||
    formatted_weather.includes("drizzle")
  ) {
    result = "rain";
  } else if (formatted_weather.includes("frost")) {
    result = "frost";
  } else if (
    formatted_weather.includes("haze") ||
    formatted_weather.includes("hazy")
  ) {
    result = "haze";
  } else if (formatted_weather.includes("fog")) {
    result = "fog";
  } else if (formatted_weather.includes("wind")) {
    result = "windy";
  } else if (formatted_weather.includes("storm")) {
    result = "thunderstorm";
  } else if (formatted_weather.includes("partly sunny")) {
    result = "partly sunny";
  } else if (
    !isNight &&
    (formatted_weather.includes("partly cloudy") ||
      formatted_weather.includes("clearing") ||
      formatted_weather.includes("decreasing clouds"))
  ) {
    result = "partly sunny";
  } else if (
    !isNight &&
    (formatted_weather.includes("clear") || formatted_weather.includes("sunny"))
  ) {
    result = "sunny";
  } else if (
    isNight &&
    (formatted_weather.includes("partly cloudy") ||
      formatted_weather.includes("clearing") ||
      formatted_weather.includes("decreasing clouds"))
  ) {
    result = "partly cloudy";
  } else if (isNight && formatted_weather.includes("clear")) {
    result = "clear";
  } else if (formatted_weather.includes("breez")) {
    result = "windy";
  } else {
    result = "cloudy";
  }
  let output = document.getElementById("weather-icon");
  output.src =
    "https://assets.scu.edu/assets/web-icons/" +
    weather_icons[result];
  output.alt = "current weather in Santa Clara is " + result;
  let home_icon = document.getElementById("home-weather-icon");
  if (home_icon) {
    home_icon.src =
      "https://scu.edu/media/scuedu/content-assets/icons/home-weather/" +
      weather_icons[result];
  }
  let home_temperature_f = document.getElementById("home-temperature-f");
  if (home_temperature_f) {
    home_temperature_f.textContent = degrees_f;
  }
  let home_temperature_c = document.getElementById("home-temperature-c");
  if (home_temperature_c) {
    home_temperature_c.textContent = degrees_c;
  }
}

function getApproxSunTimes(month) {
  // Approximate sunrise and sunset times in 24-hour format
  const sunTimes = [
    { sunrise: 7.5, sunset: 17 }, // Jan
    { sunrise: 7, sunset: 17.5 }, // Feb
    { sunrise: 6.5, sunset: 18.5 }, // Mar
    { sunrise: 6, sunset: 19.5 }, // Apr
    { sunrise: 5.5, sunset: 20 }, // May
    { sunrise: 5.5, sunset: 20.5 }, // Jun
    { sunrise: 5.5, sunset: 20.5 }, // Jul
    { sunrise: 6, sunset: 20 }, // Aug
    { sunrise: 6.5, sunset: 19.5 }, // Sep
    { sunrise: 7, sunset: 18.5 }, // Oct
    { sunrise: 7, sunset: 17.5 }, // Nov
    { sunrise: 7.5, sunset: 17 }, // Dec
  ];

  if (month < 1 || month > 12) return null;
  return sunTimes[month - 1];
}

function isNightTime() {
  const now = new Date();
  const month = now.getMonth() + 1; // JS months: 0-11
  const sunTimes = getApproxSunTimes(month);
  if (!sunTimes) return false;

  const hour = now.getHours() + now.getMinutes() / 60;

  // Night is before sunrise or after sunset
  return hour < sunTimes.sunrise || hour >= sunTimes.sunset;
}