"use client";

import { getWeatherIcon } from "@/utils/weather.js";
import Image from "next/image";
import { useEffect, useState } from "react";
import List from "./daily.json";
import styles from "./todo.module.css";

const version = require("../../../package.json").version;

export default function WeatherPage() {
	const [weather, setWeather] = useState(null);
	const [time, setTime] = useState(new Date().toLocaleTimeString());
	const [date, setDate] = useState(new Date().toLocaleDateString());
	const [weatherIcon, setWeatherIcon] = useState("/weather/sunnyday.png");

	useEffect(() => {
		async function fetchWeather() {
			try {
				const res = await fetch(
					`https://api.pirateweather.net/forecast/${process.env.NEXT_PUBLIC_WEATHER_API}/42.3967,-88.1837?units=us&exclude=minutely,hourly,flags&icon=pirate`,
					{ cache: "no-store" },
				);
				const data = await res.json();
				setWeather(data);
			} catch (err) {
				console.error("Failed to fetch weather:", err);
			}
		}

		// only fetch weather every 5 minutes on the 0th second
		const fetchWeatherInterval = () => {
			const now = new Date();

			if (now.getSeconds() === 0 && now.getMinutes() % 5 === 0) {
				fetchWeather();
			}
		};

		fetchWeather();

		const interval = setInterval(fetchWeatherInterval, 1000);

		return () => clearInterval(interval);
	}, []);

	useEffect(() => {
		const interval = setInterval(() => {
			setTime(new Date().toLocaleTimeString());
		}, 1000);

		return () => clearInterval(interval);
	}, []);

	useEffect(() => {
		const interval = setInterval(() => {
			setDate(new Date().toLocaleDateString());
		}, 1000);

		return () => clearInterval(interval);
	}, []);

	const weatherTemp = Math.floor(weather?.currently?.temperature) || "--";

	const weatherFeelsLike =
		Math.floor(weather?.currently?.apparentTemperature) || "--";

	const weatherHigh =
		Math.floor(weather?.daily?.data[0]?.temperatureHigh) || "--";
	const weatherLow =
		Math.floor(weather?.daily?.data[0]?.temperatureLow) || "--";

	const percentChance =
		Math.floor(weather?.currently?.precipProbability * 100) || "0";

	const lastUpdatedTime = weather
		? new Date(weather.currently.time * 1000).toLocaleTimeString([], {
				hour: "2-digit",
				minute: "2-digit",
			})
		: "--";

	useEffect(() => {
		const interval = setInterval(() => {
			setWeatherIcon(
				`/weather/${getWeatherIcon(weather?.currently?.icon)}.png`,
			);
		}, 1000);

		return () => clearInterval(interval);
	}, [weather]);

	const [dailyItems, setDailyItems] = useState([]);

	useEffect(() => {
		const updateDailyItems = () => {
			const now = new Date();
			const currentHour = now.getHours();

			const filteredItems =
				List?.List?.filter((item) => {
					const timeStart = parseInt(item.timeStart);
					const timeEnd = parseInt(item.timeEnd);

					return currentHour >= timeStart && currentHour < timeEnd;
				}) || [];

			setDailyItems(
				filteredItems.length > 0
					? filteredItems
					: [
							{
								title: "N/A",
								desc: "No reminders",
								timeStart: "--",
								timeEnd: "--",
							},
						],
			);
		};

		// Initial check
		updateDailyItems();

		// Check every second
		const interval = setInterval(updateDailyItems, 1000);

		return () => clearInterval(interval);
	}, [List]);

	const weatherAlerts = weather?.alerts || [];

	const futureForecasts = weather?.daily?.data.slice(1, 4) || [];

	return (
		<div className={styles.todoContainer}>
			<div className={styles.todoHeader}>
				<span className={styles.left}>
					<span className={styles.title}>Raceway Car Wash</span>
					<span className={styles.location}>
						Fox Lake{" "}
						<span className={styles.version}>v{version}</span>
					</span>
				</span>
				<span className={styles.right}>
					<span className={styles.time}>{time || "00:00:00 AM"}</span>
					<span className={styles.date}>{date}</span>
				</span>
			</div>
			<span className={styles.container}>
				<span className={styles.listContainer}>
					<span className={styles.lists}>
						<span className={styles.listHeader}>
							Daily Reminders
						</span>
						{dailyItems?.map((item, index) => (
							<span key={index} className={styles.dailyListItem}>
								<span className={styles.listItemTitle}>
									{item.title}
								</span>
								<span className={styles.listItemDesc}>
									{item.desc}
								</span>
								<span className={styles.listItemTime}>
									{item.textStart && item.textEnd ? (
										<>
											{item.textStart} - {item.textEnd}
										</>
									) : (
										<>
											{item.timeStart}:00 - {item.timeEnd}
											:00
										</>
									)}
								</span>
							</span>
						)) || "Test"}
					</span>
					<span className={styles.lists}>
						<span className={styles.listHeader}>
							Important Reminders
						</span>
						<span className={styles.dailyListItem}>
							<span className={styles.listItemTitle}>N/A</span>
							<span className={styles.listItemDesc}>
								No Reminders
							</span>
						</span>
					</span>
				</span>

				<span className={styles.weatherContainer}>
					<span className={styles.weatherContainerInner}>
						<span className={styles.weatherHeader}>
							⛅ Hyperlocal Weather
						</span>

						{weatherAlerts.length > 0 &&
							weatherAlerts.map((alert, index) => (
								<span
									key={index}
									className={styles.weatherAlerts}
								>
									<span className={styles.weatherAlert}>
										⚠️ {alert.title}
										<span
											className={
												styles.weatherAlertExpires
											}
										>
											Expires:{" "}
											{new Date(
												alert.expires * 1000,
											).toLocaleString()}
										</span>
									</span>
								</span>
							))}

						<span className={styles.weatherTop}>
							<span className={styles.weatherTopLeft}>
								<span className={styles.weatherCondition}>
									{weather?.currently?.summary}
								</span>
								<span className={styles.weatherTemp}>
									{weatherTemp}°
								</span>
								<span className={styles.weatherFeelsLike}>
									Feels Like {weatherFeelsLike}°
								</span>
								<span className={styles.weatherHighLow}>
									High: {weatherHigh}° &middot; Low:{" "}
									{weatherLow}°
								</span>
							</span>

							<span className={styles.weatherTopRight}>
								<Image
									alt="Weather Icon"
									src={weatherIcon}
									width={175}
									height={175}
									loading="eager"
								/>
							</span>
						</span>

						<span className={styles.weatherDetails}>
							<span className={styles.detail}>
								{weather?.currently.windSpeed || "--"}
								<span className={styles.detailUnit}>mph</span>
								<span className={styles.detailText}>
									Wind Speed
								</span>
							</span>
							<span className={styles.detail}>
								{percentChance}%
								<span className={styles.detailText}>
									Precipitation
								</span>
							</span>
							<span className={styles.detail}>
								{Math.floor(
									weather?.currently?.humidity * 100,
								) || "--"}
								%
								<span className={styles.detailText}>
									Humidity
								</span>
							</span>
						</span>

						<span className={styles.weatherFutureForecasts}>
							{futureForecasts.map((forecast, index) => (
								<span
									key={index}
									className={styles.futureForecast}
								>
									<span className={styles.futureForecastDay}>
										{new Date(
											forecast.time * 1000,
										).toLocaleDateString([], {
											weekday: "short",
										})}
									</span>
									<span
										className={
											styles.futureForecastIconContainer
										}
									>
										<Image
											alt="Weather Icon"
											src={`/weather/${getWeatherIcon(forecast.icon)}.png`}
											className={
												styles.futureForecastIcon
											}
											width={40}
											height={40}
											unoptimized
										/>
									</span>
									<span className={styles.futurePrecipChance}>
										{Math.floor(
											forecast.precipProbability * 100,
										)}
										%
									</span>
									<span className={styles.futureForecastTemp}>
										{Math.floor(forecast.temperatureHigh)}°
										/ {Math.floor(forecast.temperatureLow)}°
									</span>
								</span>
							))}
						</span>

						<span className={styles.weatherFooter}>
							Last Updated {lastUpdatedTime}
						</span>
					</span>
				</span>
			</span>
		</div>
	);
}