// ==UserScript==
// @name         GGn Group Expansion
// @version      1.2
// @author       SleepingGiant
// @description  Adds quick buttons for expanding all groups and filelist on GGn pages.
// @namespace    https://greasyfork.org/users/1395131
// @match        https://gazellegames.net/torrents.php?id=*
// @grant        none
// @downloadURL none
// ==/UserScript==

(function () {
    'use strict';

    function ensureVerticalCornerContainer() {
        let container = document.getElementById('vertical-corner-container');
        if (!container) {
            container = document.createElement('div');
            container.id = 'vertical-corner-container';
            container.style.position = 'absolute'; // match Multi Reporter
            document.body.appendChild(container);

            const groupDetails = document.getElementById('content');
            if (groupDetails) {
                container.style.left = (groupDetails.offsetLeft + groupDetails.offsetWidth) + 'px';
                container.style.top = groupDetails.offsetTop + 'px';
            }
        }
        return container;
    }

    function insertExpandAllButton() {
        const container = ensureVerticalCornerContainer();
        const expandButton = document.createElement('button');
        expandButton.textContent = 'Expand All';
        expandButton.type = 'button';
        expandButton.style.writingMode = 'vertical-lr';
        expandButton.style.height = 'unset';
        expandButton.style.margin = '4px 0';
        expandButton.id = 'expand-all-button'; // so we can reference it later
        expandButton.onclick = () => {
            expandAll();
        };
        container.appendChild(expandButton);
    }

    function insertInlineEditionButtons() {
        const editions = document.querySelectorAll('.edition_info');
        editions.forEach(edition => {
            const btn = document.createElement('button');
            btn.textContent = 'Expand Edition';
            btn.style.marginLeft = '10px';
            btn.type = 'button';
            btn.classList.add('expand-edition-button');
            btn.onclick = (e) => {
                e.stopPropagation(); // Don't trigger edition row collapse toggle
                expandSingleEdition(edition);
            };
            edition.appendChild(btn);
        });
    }

    function sleep(ms) {
        return new Promise(resolve => setTimeout(resolve, ms));
    }

    function expandAll() {
        // Expand all editions
        document.querySelectorAll('.edition_info').forEach(edition => {
            const editionIdMatch = edition.getAttribute('onclick')?.match(/#edition_(\d+)/);
            if (editionIdMatch) {
                const tbody = document.getElementById(`edition_${editionIdMatch[1]}`);
                if (tbody && tbody.style.display === 'none') {
                    edition.click();
                }
            }
        });

        document.querySelectorAll('a[onclick*="torrent_"]').forEach(a => {
            const torrentIdMatch = a.getAttribute('onclick')?.match(/#torrent_(\d+)/);
            if (torrentIdMatch) {
                const torrentId = torrentIdMatch[1];
                const torrentRow = document.getElementById(`torrent_${torrentId}`);
                if (torrentRow && torrentRow.classList.contains('hidden')) {
                    jQuery(`#torrent_${torrentId}`).toggle();
                }
            }
        });

        document.querySelectorAll('a[onclick^="show_files"]').forEach(a => {
            const fileId = a.getAttribute('onclick')?.match(/\d+/)?.[0];
            if (fileId) {
                const filesDiv = document.getElementById(`files_${fileId}`);
                if (filesDiv && filesDiv.classList.contains('hidden')) {
                    show_files(fileId);
                }
            }
        });
    }

    function expandSingleEdition(edition) {
        const editionIdMatch = edition.getAttribute('onclick')?.match(/#edition_(\d+)/);
        if (editionIdMatch) {
            const editionId = editionIdMatch[1];
            const tbody = document.getElementById(`edition_${editionId}`);
            if (tbody && tbody.style.display === 'none') {
                edition.click();
            }

            if (tbody) {
                tbody.querySelectorAll('a[onclick*="torrent_"]').forEach(a => {
                    const torrentIdMatch = a.getAttribute('onclick')?.match(/#torrent_(\d+)/);
                    if (torrentIdMatch) {
                        const torrentId = torrentIdMatch[1];
                        const torrentRow = document.getElementById(`torrent_${torrentId}`);
                        if (torrentRow && torrentRow.classList.contains('hidden')) {
                            jQuery(`#torrent_${torrentId}`).toggle();
                        }
                    }
                });

                tbody.querySelectorAll('a[onclick^="show_files"]').forEach(a => {
                    const fileId = a.getAttribute('onclick')?.match(/\d+/)?.[0];
                    if (fileId) {
                        const filesDiv = document.getElementById(`files_${fileId}`);
                        if (filesDiv && filesDiv.classList.contains('hidden')) {
                            show_files(fileId);
                        }
                    }
                });
            }
        }
    }

    const loader = setInterval(() => {
        if (document.getElementById('expand-all-button') || document.querySelector('.expand-edition-button')) {
            clearInterval(loader);
        } else {
            insertExpandAllButton();
            insertInlineEditionButtons();
        }
    }, 200);

})();