// theme preference
function media_theme_pref() {
    document.documentElement.removeAttribute("class");

    if (
        window.matchMedia("(prefers-color-scheme: dark)").matches &&
        (!window.localStorage.getItem("malachite.app:theme") ||
            window.localStorage.getItem("malachite.app:theme") === "Auto")
    ) {
        document.documentElement.classList.add("dark");

        document.getElementById("switch_light").classList.add("hidden");
        document.getElementById("switch_dark").classList.remove("hidden");
    } else if (
        window.matchMedia("(prefers-color-scheme: light)").matches &&
        (!window.localStorage.getItem("malachite.app:theme") ||
            window.localStorage.getItem("malachite.app:theme") === "Auto")
    ) {
        document.documentElement.classList.remove("dark");

        document.getElementById("switch_light").classList.remove("hidden");
        document.getElementById("switch_dark").classList.add("hidden");
    } else if (window.localStorage.getItem("malachite.app:theme")) {
        /* restore theme */
        const current = window.localStorage.getItem("malachite.app:theme");
        document.documentElement.className = current.toLowerCase();

        if (current === "Light") {
            document.getElementById("switch_light").classList.remove("hidden");
            document.getElementById("switch_dark").classList.add("hidden");
        } else {
            document.getElementById("switch_light").classList.add("hidden");
            document.getElementById("switch_dark").classList.remove("hidden");
        }
    }
}

globalThis.temporary_set_theme = (theme) => {
    document.documentElement.className = theme.toLowerCase();

    if (theme === "Light") {
        document.getElementById("switch_light").classList.remove("hidden");
        document.getElementById("switch_dark").classList.add("hidden");
    } else {
        document.getElementById("switch_light").classList.add("hidden");
        document.getElementById("switch_dark").classList.remove("hidden");
    }
};

globalThis.set_theme = (theme) => {
    window.localStorage.setItem("malachite.app:theme", theme);
    document.documentElement.className = theme;
    media_theme_pref();
};

media_theme_pref();

// messages
function get_cookie(key) {
    return (document.cookie.split(`${key}=`)[1] || "").split(";")[0];
}

function check_message() {
    const element = document.getElementById("messages");

    const message = get_cookie("App-Message");
    const message_good = get_cookie("App-Message-Good") === "true";

    if (message) {
        element.style.marginBottom = "1rem";
        element.style.paddingLeft = "1rem";
        element.innerHTML = `<li class="${message_good ? "green" : "red"}">${message.replaceAll('"', "")}</li>`;
    }

    // clear cookies
    for (cookie of document.cookie.split(";")) {
        // biome-ignore lint/suspicious/noDocumentCookie: cookie store is barely supported
        document.cookie = `${cookie.split("=")[0]}=; expires=${new Date(0).toUTCString()}; path=/`;
    }
}

globalThis.show_message = (message, message_good = true) => {
    const element = document.getElementById("messages");
    element.style.marginBottom = "1rem";
    element.style.paddingLeft = "1rem";
    element.innerHTML = `<li class="${message_good ? "green" : "red"}">${message.replaceAll('"', "")}</li>`;
};

check_message();

// components
function close_dropdowns() {
    for (const dropdown of Array.from(
        document.querySelectorAll(".inner.open"),
    )) {
        dropdown.classList.remove("open");
    }
}

globalThis.open_dropdown = (event) => {
    event.stopImmediatePropagation();
    let target = event.target;

    while (!target.matches(".dropdown")) {
        target = target.parentElement;
    }

    // close all others
    close_dropdowns();

    // open
    setTimeout(() => {
        for (const dropdown of Array.from(target.querySelectorAll(".inner"))) {
            // check y
            const box = target.getBoundingClientRect();

            let parent = dropdown.parentElement;

            while (!parent.matches("html, .window")) {
                parent = parent.parentElement;
            }

            let parent_height = parent.getBoundingClientRect().y;

            if (parent.nodeName === "HTML") {
                parent_height = window.screen.height;
            }

            const scroll = window.scrollY;
            const height = parent_height;
            const y = box.y + scroll;

            if (y > height - scroll - 375) {
                dropdown.classList.add("top");
            } else {
                dropdown.classList.remove("top");
            }

            // open
            dropdown.classList.add("open");

            if (dropdown.classList.contains("open")) {
                dropdown.removeAttribute("aria-hidden");
            } else {
                dropdown.setAttribute("aria-hidden", "true");
            }
        }
    }, 5);
};

globalThis.init_dropdowns = (bind_to) => {
    for (const dropdown of Array.from(document.querySelectorAll(".inner"))) {
        dropdown.setAttribute("aria-hidden", "true");
    }

    bind_to.addEventListener("click", (event) => {
        if (
            event.target.matches(".dropdown") ||
            event.target.matches("[exclude=dropdown]")
        ) {
            return;
        }

        for (const dropdown of Array.from(
            document.querySelectorAll(".inner.open"),
        )) {
            dropdown.classList.remove("open");
        }
    });
};

globalThis.hash_check = (hash) => {
    if (hash.startsWith("#/")) {
        for (const x of Array.from(document.querySelectorAll(".subpage"))) {
            x.classList.add("hidden");
        }

        document.getElementById(hash).classList.remove("hidden");
    }
};

window.addEventListener("hashchange", (_) => hash_check(window.location.hash));

setTimeout(() => {
    // run initial hash check
    hash_check(window.location.hash);
}, 150);

globalThis.submitter_load = (submitter) => {
    return {
        load() {
            submitter.querySelector("[ui_ident=text]").classList.add("hidden");
            submitter
                .querySelector("[ui_ident=loader]")
                .classList.remove("hidden");
            submitter.setAttribute("disabled", "true");
        },
        failed() {
            submitter
                .querySelector("[ui_ident=text]")
                .classList.remove("hidden");
            submitter
                .querySelector("[ui_ident=loader]")
                .classList.add("hidden");
            submitter.removeAttribute("disabled");
        },
    };
};