"use client";

import { useState, useEffect } from "react";
import { useRecoilState } from "recoil";
import { settingsState } from "./state/settings";
import Background from "./background";
import Search from "./search/search";
import { bgFocusState } from "./state/background";
import Time from "./time";
import loadSettings from "@/lib/loadSettings";
import EngineSelector from "./search/engineSelector";

export default function Homepage() {
    const [settings, setSettings] = useRecoilState(settingsState);
    const [isFocus, setFocus] = useRecoilState(bgFocusState);
    const [colorScheme, setColorScheme] = useState("");

    useEffect(() => {
        loadSettings(setSettings);
    }, [setSettings]);

    useEffect(() => {
        const colorSchemeQueryList = window.matchMedia("(prefers-color-scheme: dark)");
        setColorScheme(colorSchemeQueryList.matches ? "dark" : "light");

        const handleChange = () => {
            setColorScheme(colorSchemeQueryList.matches ? "dark" : "light");
        };

        colorSchemeQueryList.addEventListener("change", handleChange);

        return () => {
            colorSchemeQueryList.removeEventListener("change", handleChange);
        };
    }, []);

    return (
        <div className="h-full fixed overflow-hidden w-full bg-black">
            <Time showSecond={settings.timeShowSecond} />
            <EngineSelector className="absolute top-20 lg:top-44 short:top-0 translate-x-[-50%] translate-y-[-0.2rem]
            left-1/2 w-11/12 sm:w-[700px] text:black text-right
            dark:text-white text-3xl text-shadow-lg z-10"/>
            {colorScheme === "dark" && (
                <Background src="rgb(23,25,29)" isFocus={isFocus} onClick={() => setFocus(false)} />
            )}
            {colorScheme === "light" && <Background src="white" isFocus={isFocus} onClick={() => setFocus(false)} />}
            <Search onFocus={() => setFocus(true)} />
        </div>
    );
}
