// ==UserScript==
// @name         kone 댓글 자동 확장 + 더 불러오기
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  kone.gg에서 댓글을 자동으로 확장하고 '댓글 더 불러오기'도 자동 클릭합니다.
// @author       김머시기
// @match        https://kone.gg/*
// @grant        none
// @license      MIT
// @run-at       document-idle
// ==/UserScript==

(function () {
    'use strict';

    function clickAllExpandButtons() {
        const expandButtons = document.querySelectorAll('button');
        let clickedAny = false;

        expandButtons.forEach(button => {
            try {
                const text = button.textContent.trim();
                const isCommentExpand = /^\d+개의 댓글$/.test(text);
                const isLoadMore = text === '댓글 더 불러오기';

                if ((isCommentExpand || isLoadMore) && button.offsetParent !== null) {
                    button.click();
                    clickedAny = true;
                }
            } catch (e) {
                // 무시
            }
        });

        if (clickedAny) {
            // 여전히 확장할 수 있는 버튼이 남아있을 수 있으므로 재귀 호출
            setTimeout(clickAllExpandButtons, 500);
        }
    }

    function updateGlobalStyles() {
        const styleFix = document.createElement('style');
        styleFix.textContent = `
            .comment-wrapper,
            .comment-wrapper .overflow-x-auto,
            .comment-wrapper .overflow-hidden,
            .thread-body-content .overflow-hidden {
                overflow: visible !important;
                max-height: none !important;
            }
        `;
        document.head.appendChild(styleFix);
    }

    function runCommentFix() {
        clickAllExpandButtons();
        updateGlobalStyles();
    }

    const observer = new MutationObserver(() => {
        clearTimeout(commentFixTimer);
        commentFixTimer = setTimeout(runCommentFix, 100);
    });

    let commentFixTimer = null;

    observer.observe(document.body, { childList: true, subtree: true });
    observer.observe(document.documentElement, { attributes: true, attributeFilter: ['class'] });

    function observeURLChange() {
        let lastUrl = location.href;

        const urlChangeHandler = () => {
            if (location.href !== lastUrl && location.href.includes('/s/')) {
                lastUrl = location.href;
                setTimeout(runCommentFix, 500);
            }
        };

        const urlObserver = new MutationObserver(urlChangeHandler);
        urlObserver.observe(document.body, { childList: true, subtree: true });

        const originalPush = history.pushState;
        history.pushState = function () {
            originalPush.apply(this, arguments);
            urlChangeHandler();
        };

        window.addEventListener('popstate', urlChangeHandler);
    }

    const init = () => {
        runCommentFix();
        observeURLChange();
    };

    if (document.readyState === 'complete' || document.readyState === 'interactive') {
        init();
    } else {
        document.addEventListener('DOMContentLoaded', init);
    }
})();