function sfw_mode() {
    const stash_css = sfwswitch_findstashcss();
    const button = document.getElementById("plugin_sfw");

    if (stash_css && stash_css.disabled) {
        // SFW mode is disabled
        button.style.color = "#f5f8fa"; // Default color
    } else {
        // SFW mode is enabled
        button.style.color = "#5cff00"; // Active color
    }
}

function sfwswitch_createbutton() {
    const buttonId = "plugin_sfw";

    // Check if the button already exists
    if (document.getElementById(buttonId)) {
        return;
    }

    // Create the button element
    const buttonContainer = document.createElement("a");
    buttonContainer.className = "mr-2";
    buttonContainer.innerHTML = `
        <button id="${buttonId}" type="button" class="minimal d-flex align-items-center h-100 btn btn-primary" title="Turn SFW Mode">
            <svg fill="currentColor" xmlns="http://www.w3.org/2000/svg" class="svg-inline--fa fa-cog fa-w-16 fa-icon undefined" viewBox="1.5 1.5 13 13">
                <path d="m7.646 9.354-3.792 3.792a.5.5 0 0 0 .353.854h7.586a.5.5 0 0 0 .354-.854L8.354 9.354a.5.5 0 0 0-.708 0z"></path>
                <path d="M11.414 11H14.5a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.5-.5h-13a.5.5 0 0 0-.5.5v7a.5.5 0 0 0 .5.5h3.086l-1 1H1.5A1.5 1.5 0 0 1 0 10.5v-7A1.5 1.5 0 0 1 1.5 2h13A1.5 1.5 0 0 1 16 3.5v7a1.5 1.5 0 0 1-1.5 1.5h-2.086l-1-1z"></path>
            </svg>
        </button>
    `;

    // Poll for the navbar-buttons container
    const intervalId = setInterval(() => {
        const navbarButtons = document.querySelector(".navbar-buttons");
        if (navbarButtons) {
            clearInterval(intervalId); // Stop polling
            navbarButtons.insertBefore(buttonContainer, navbarButtons.childNodes[0]);

            // Add click event listener
            document.getElementById(buttonId).addEventListener("click", sfwswitch_switcher);

            // Initialize the button state
            sfw_mode();
        }
    }, 100); // Check every 100ms

    // Stop polling after a timeout to avoid infinite loops
    setTimeout(() => clearInterval(intervalId), 10000); // 10 seconds max
}

function sfwswitch_switcher() {
    const stash_css = sfwswitch_findstashcss();
    if (!stash_css) {
        console.error("SFW stylesheet not found.");
        return;
    }

    stash_css.disabled = !stash_css.disabled;

    const button = document.getElementById("plugin_sfw");
    if (stash_css.disabled) {
        console.log("SFW mode disabled");
        button.style.color = "#f5f8fa"; // Default color
    } else {
        console.log("SFW mode enabled");
        button.style.color = "#5cff00"; // Active color
    }
}

function sfwswitch_findstashcss() {
    for (let i = 0; i < document.styleSheets.length; i++) {
        const stylesheet = document.styleSheets[i];
        if (stylesheet.href && stylesheet.href.includes("/plugin/sfwswitch/css")) {
            return stylesheet;
        }
    }
    return null; // Return null if no matching stylesheet is found
}

function waitForElementClass(elementId, callBack, time) {
    time = (typeof time !== 'undefined') ? time : 100;
    window.setTimeout(function () {
        var element = document.getElementsByClassName(elementId);
        if (element.length > 0) {
            callBack(elementId, element);
        } else {
            waitForElementClass(elementId, callBack);
        }
    }, time);
}

sfwswitch_createbutton();