const PageMarket = {
    _el: null,
    _marketToken: null,
    _tab: 'dashboards',

    init() {
        this._el = document.getElementById('page-market');
        this._marketToken = localStorage.getItem('turbosu-market-token');
    },

    async render() {
        this._el.innerHTML = this._template();
        this._bindEvents();
        this._updateUI();
        this._loadItems();
    },

    async _loadItems() {
        const grid = document.getElementById('market-grid');
        if (!grid) return;
        grid.style.display = 'grid';
        grid.innerHTML = '<div style="text-align:center;padding:40px;color:var(--text-tertiary);">' + Lang.t('loading') + '</div>';

        if (this._tab === 'mine') {
            if (!this._marketToken) {
                grid.innerHTML = this._emptyHtml(Lang.t('needLogin'));
                return;
            }
            return this._loadMine(grid);
        }

        const isScene = this._tab === 'scenes';
        const endpoint = isScene ? '/api/market/scenes' : '/api/market/dashboards';
        try {
            const res = await fetch(endpoint);
            const data = await res.json();
            const items = data.items || [];

            let localIds = [];
            try {
                const lr = await fetch('/api/dashboards?category=all');
                const ld = await lr.json();
                if (Array.isArray(ld)) localIds = ld.map(d => d.id);
                if (isScene) {
                    const sr = await fetch('/api/scenes');
                    const sl = await sr.json();
                    if (Array.isArray(sl)) localIds = localIds.concat(sl.map(s => s.id));
                }
            } catch(e) { console.error('load local:', e); }

            if (!items.length) { grid.innerHTML = this._emptyHtml(isScene ? Lang.t('noScenesMarket') : Lang.t('noDashboardsMarket')); return; }
            grid.innerHTML = items.map(d => {
                const installed = d.manifest_id && localIds.includes(d.manifest_id);
                return this._cardHtml(d, isScene, installed);
            }).join('');
        } catch (e) { console.error(e); grid.innerHTML = '<div style="text-align:center;padding:40px;color:var(--danger);">' + Lang.t('loadFailed') + (e.message?': '+e.message:'') + ' <a href="#" onclick="document.getElementById(\'btn-refresh-market\').click();return false" style="color:var(--accent)">' + Lang.t('retry') + '</a></div>'; }
    },

    async _loadMine(grid) {
        grid.style.display = 'block';
        try {
            const res = await fetch('/api/market/mine?token=' + encodeURIComponent(this._marketToken));
            const data = await res.json();
            if (!data.dashboards?.length && !data.scenes?.length) {
                grid.innerHTML = this._emptyHtml(Lang.t('noUploads'));
                return;
            }
            let html = '';
            if (data.dashboards?.length) {
                html += '<h3 style="margin-bottom:10px;font-size:16px;color:var(--text-secondary)">' + Lang.t('myDashboards') + '</h3>' + data.dashboards.map(d => this._myCardHtml(d, 'dashboards')).join('');
            }
            if (data.scenes?.length) {
                html += '<h3 style="margin:20px 0 10px;font-size:16px;color:var(--text-secondary)">' + Lang.t('myScenes') + '</h3>' + data.scenes.map(d => this._myCardHtml(d, 'scenes')).join('');
            }
            grid.innerHTML = html;
        } catch (e) { console.error(e); grid.innerHTML = '<div style="text-align:center;padding:40px;color:var(--danger);">' + Lang.t('loadFailed') + (e.message?': '+e.message:'') + ' <a href="#" onclick="document.getElementById(\"btn-refresh-market\").click();return false" style="color:var(--accent)">' + Lang.t('retry') + '</a></div>'; }
    },

    _cardHtml(d, isScene, installed) {
        const icon = d.preview ? '' : (isScene ? '🎬' : (d.icon || '📦'));
        const previewUrl = d.preview ? `https://turbosu.yeij.top/api/files/${isScene?'scenes':'dashboards'}/${d.id}/${d.preview}` : '';
        const bgStyle = previewUrl ? `background-image:url(${previewUrl});background-size:cover;background-position:center` : '';
        const label = installed ? Lang.t('installed') : (isScene ? Lang.t('installScene') : Lang.t('install'));
        const btnClass = isScene ? 'btn-m-install-scene' : 'btn-m-install';
        const uninstallBtn = installed ? `<button class="btn btn-sm btn-danger btn-m-uninstall" data-name="${d.name||d.id}" style="margin-top:4px;width:100%">` + Lang.t('uninstall') + '</button>' : '';
        return `<div class="glass-card theme-card">
            <div class="theme-card-preview" style="${bgStyle}">${icon}</div>
            <div class="theme-card-info">
                <div class="theme-card-name">${d.name||'Unnamed'}</div>
                <div class="theme-card-meta">
                    <span>${isScene ? (d.game_id||'') : (d.category||'')}</span><span>${isScene ? '' : 'v'+(d.version||'1.0')}</span>
                </div>
                <div class="theme-card-meta" style="margin-top:4px">
                    <span>${d.author||''}</span><span style="color:var(--text-tertiary)">${Lang.t('downloadCountShort').replace('%d', d.downloads||0)}</span>
                </div>
                <button class="btn btn-sm btn-primary ${btnClass}" data-id="${d.id}" data-file="${d.file||''}" style="margin-top:8px;width:100%" ${installed?'disabled':''}>${label}</button>
                ${uninstallBtn}
            </div></div>`;
    },

    _myCardHtml(d, collection) {
        const pending = d.dashb_pending ? '<span class="badge" style="background:rgba(255,159,10,.15);color:#FF9F0A">' + Lang.t('pending') + '</span>' : '<span class="badge" style="background:rgba(52,199,89,.12);color:#34C759">' + Lang.t('approved') + '</span>';
        const created = d.created ? new Date(d.created).toLocaleString('zh-CN', {month:'numeric',day:'numeric',hour:'2-digit',minute:'2-digit'}) : '-';
        const updated = d.updated ? new Date(d.updated).toLocaleString('zh-CN', {month:'numeric',day:'numeric',hour:'2-digit',minute:'2-digit'}) : created;
        return `<div class="glass-card" style="padding:14px 16px;margin-bottom:8px">
            <div style="font-weight:600;font-size:14px;margin-bottom:4px">${d.name||'Unnamed'} <span style="color:var(--text-tertiary);font-weight:400;font-size:12px">v${d.version||'1.0'}</span></div>
            <div style="font-size:12px;color:var(--text-tertiary);margin-bottom:4px">
                ${d.author||''} · ${Lang.t('downloadCount').replace('%d', d.downloads||0)} · ${pending} <br>
                <span style="font-size:11px">上传: ${created}${updated!==created?' · 更新: '+updated:''}</span>
            </div>
            <div style="display:flex;gap:6px">
                <button class="btn btn-sm btn-secondary btn-my-update" data-id="${d.id}" data-coll="${collection}" data-file="${d.file||''}" data-preview="${d.preview||''}" data-type="${collection==='scenes'?'.tss':'.tsd'}">${Lang.t('updateItem')}</button>
                <button class="btn btn-sm btn-danger btn-my-delete" data-id="${d.id}" data-coll="${collection}">${Lang.t('delete')}</button>
            </div></div>`;
    },

    _bindEvents() {
        document.getElementById('btn-refresh-market')?.addEventListener('click', () => this._loadItems());
        document.getElementById('btn-m-upload')?.addEventListener('click', () => this._upload());
        document.getElementById('market-grid')?.addEventListener('click', async (e) => {
            const btnInstall = e.target.closest('.btn-m-install');
            const btnScene = e.target.closest('.btn-m-install-scene');
            const btnUpdate = e.target.closest('.btn-my-update');
            const btnDelete = e.target.closest('.btn-my-delete');

            if (e.target.closest('.btn-m-uninstall')) {
                const ubtn = e.target.closest('.btn-m-uninstall');
                const uname = ubtn.dataset.name||'';
                if (!confirm(Lang.t('confirmUninstall').replace('"$1"', uname))) return;
                try {
                    const r = await fetch('/api/dashboards?category=all');
                    const list = (await r.json()) || [];
                    const dash = list.find(d => d.id === uname || d.name === uname);
                    if (dash) {
                        await fetch('/api/dashboards/' + dash.id, { method: 'DELETE' });
                        Toast.show(Lang.t('uninstallSuccess'), 'success');
                        this._loadItems();
                    } else { Toast.show(Lang.t('uninstallNotFound'), 'error'); }
                } catch (e) { Toast.show(Lang.t('uninstallFailed'), 'error'); }
                return;
            }

            if (btnUpdate) {
                this._showUpdateModal(btnUpdate.dataset);
                return;
            }
            if (btnDelete) {
                if (!confirm(Lang.t('confirmDelete'))) return;
                try {
                    await fetch('/api/market/delete', { method: 'POST', headers: {'Content-Type':'application/json'}, body: JSON.stringify({id: btnDelete.dataset.id, collection: btnDelete.dataset.coll, token: this._marketToken}) });
                    Toast.show(Lang.t('deleted'), 'info');
                    this._loadItems();
                } catch (e) { Toast.show(Lang.t('deleteFailed'), 'error'); }
                return;
            }

            const id = (btnInstall || btnScene)?.dataset.id;
            const file = (btnInstall || btnScene)?.dataset.file;
            if (!id || !file) { Toast.show(Lang.t('installDataIncomplete'), 'error'); return; }
            const isScene = !!btnScene;
            const url = isScene ? `/api/market/scenes/install?id=${encodeURIComponent(id)}&filename=${encodeURIComponent(file)}`
                                : `/api/market/install?id=${encodeURIComponent(id)}&filename=${encodeURIComponent(file)}`;
            try {
                const res = await fetch(url);
                const data = await res.json();
                if (data.ok) {
                    Toast.show(Lang.t('installedHint'), 'success', 4000);
                    this._loadItems();
                } else {
                    Toast.show(Lang.t('installFailedMsg') + (data.error||''), 'error');
                }
            } catch (e) { Toast.show(Lang.t('installNetworkError'), 'error'); }
        });
        document.getElementById('tab-dashboards')?.addEventListener('click', () => {
            this._tab = 'dashboards';
            document.getElementById('tab-dashboards').style.cssText = 'border-radius:0;border-bottom:2px solid var(--accent);color:var(--accent);background:transparent;padding:8px 16px';
            document.getElementById('tab-scenes').style.cssText = 'border-radius:0;border-bottom:2px solid transparent;color:var(--text-secondary);background:transparent;padding:8px 16px';
            document.getElementById('tab-mine').style.cssText = 'border-radius:0;border-bottom:2px solid transparent;color:var(--text-secondary);background:transparent;padding:8px 16px';
            this._loadItems();
        });
        document.getElementById('tab-scenes')?.addEventListener('click', () => {
            this._tab = 'scenes';
            document.getElementById('tab-scenes').style.cssText = 'border-radius:0;border-bottom:2px solid var(--accent);color:var(--accent);background:transparent;padding:8px 16px';
            document.getElementById('tab-dashboards').style.cssText = 'border-radius:0;border-bottom:2px solid transparent;color:var(--text-secondary);background:transparent;padding:8px 16px';
            document.getElementById('tab-mine').style.cssText = 'border-radius:0;border-bottom:2px solid transparent;color:var(--text-secondary);background:transparent;padding:8px 16px';
            this._loadItems();
        });
        document.getElementById('tab-mine')?.addEventListener('click', () => {
            this._tab = 'mine';
            document.getElementById('tab-mine').style.cssText = 'border-radius:0;border-bottom:2px solid var(--accent);color:var(--accent);background:transparent;padding:8px 16px';
            document.getElementById('tab-dashboards').style.cssText = 'border-radius:0;border-bottom:2px solid transparent;color:var(--text-secondary);background:transparent;padding:8px 16px';
            document.getElementById('tab-scenes').style.cssText = 'border-radius:0;border-bottom:2px solid transparent;color:var(--text-secondary);background:transparent;padding:8px 16px';
            this._loadItems();
        });
    },

    _updateUI() {
        const loginBtn = document.getElementById('btn-m-login');
        const uploadBtn = document.getElementById('btn-m-upload');
        const statusEl = document.getElementById('m-status');
        if (!loginBtn || !uploadBtn) return;
        if (this._marketToken) {
            loginBtn.textContent = Lang.t('loggedIn');
            loginBtn.className = 'btn btn-sm btn-secondary';
            uploadBtn.style.display = '';
            if (statusEl) statusEl.textContent = ' ' + Lang.t('loggedIn');
        } else {
            loginBtn.textContent = Lang.t('login');
            loginBtn.className = 'btn btn-sm btn-primary';
            uploadBtn.style.display = 'none';
            if (statusEl) statusEl.textContent = ' ' + Lang.t('notLoggedIn');
        }
    },

    _upload() {
        if (!this._marketToken) { Toast.show(Lang.t('needLogin'), 'error'); return; }
        const overlay = document.createElement('div'); overlay.className = 'modal-overlay';
        overlay.innerHTML = '<div class="modal" style="min-width:480px;max-width:520px;padding:24px"><h3 style="font-size:18px;font-weight:600;margin-bottom:4px">' + Lang.t('publishTitle') + '</h3><p style="font-size:12px;color:var(--text-secondary);margin-bottom:18px">' + Lang.t('publishDesc') + '</p><div style="margin-bottom:12px"><label class="switch-label" style="font-size:13px"><input type="checkbox" id="pub-preview-toggle"><span class="switch-track"></span> ' + Lang.t('uploadPreview') + '</label></div><button id="pub-file-btn" class="btn btn-primary btn-sm" style="width:100%;margin-bottom:10px">' + Lang.t('chooseFile') + '</button><div style="font-size:13px;color:var(--text-tertiary);margin:10px 0;text-align:center">' + Lang.t('orChooseLocal') + '</div><div id="pub-local-list" style="max-height:300px;overflow-y:auto">' + Lang.t('loading') + '</div></div>';
        document.body.appendChild(overlay);
        overlay.addEventListener('click', (e) => { if (e.target === overlay) overlay.remove(); });

        let previewFile = null;
        const previewDrop = document.createElement('div');
        previewDrop.id = 'pub-preview-drop';
        previewDrop.style.cssText = 'display:none;border:2px dashed var(--border-normal);border-radius:8px;padding:20px;text-align:center;color:var(--text-tertiary);font-size:13px;cursor:pointer;margin-top:8px;transition:all .2s';
        previewDrop.textContent = Lang.t('dropPreview');
        overlay.querySelector('.modal').insertBefore(previewDrop, overlay.querySelector('#pub-file-btn'));

        function pickPreview() {
            const inp = document.createElement('input'); inp.type = 'file'; inp.accept = 'image/*'; inp.style.display = 'none';
            inp.onchange = function() {
                const f = this.files[0];
                if (!f) return;
                if (f.size > 6291456) { Toast.show(Lang.t('previewTooLarge'), 'error'); return; }
                if (!f.type.startsWith('image/')) { Toast.show(Lang.t('imageOnly'), 'error'); return; }
                previewFile = f;
                previewDrop.textContent = '\u2713 ' + f.name + ' (' + (f.size/1024/1024).toFixed(1) + ' MB)';
                previewDrop.style.borderColor = 'var(--accent)'; previewDrop.style.color = 'var(--accent)';
            };
            document.body.appendChild(inp); inp.click();
        }

        ['dragenter','dragover'].forEach(ev => previewDrop.addEventListener(ev, e => { e.preventDefault(); previewDrop.style.borderColor = 'var(--accent)'; }));
        ['dragleave','drop'].forEach(ev => previewDrop.addEventListener(ev, e => { e.preventDefault(); previewDrop.style.borderColor = 'var(--border-normal)'; }));
        previewDrop.addEventListener('drop', function(e) {
            e.preventDefault();
            const f = e.dataTransfer.files[0];
            if (!f) return;
            if (!f.type.startsWith('image/')) { Toast.show(Lang.t('imageOnly'), 'error'); return; }
            if (f.size > 6291456) { Toast.show(Lang.t('previewTooLarge'), 'error'); return; }
            previewFile = f;
            previewDrop.textContent = '\u2713 ' + f.name + ' (' + (f.size/1024/1024).toFixed(1) + ' MB)';
            previewDrop.style.borderColor = 'var(--accent)'; previewDrop.style.color = 'var(--accent)';
        });
        previewDrop.addEventListener('click', pickPreview);

        overlay.querySelector('#pub-preview-toggle').addEventListener('change', function() {
            if (this.checked) {
                previewDrop.style.display = '';
            } else {
                previewFile = null;
                previewDrop.style.display = 'none';
                previewDrop.textContent = Lang.t('dropPreview');
                previewDrop.style.borderColor = 'var(--border-normal)'; previewDrop.style.color = 'var(--text-tertiary)';
            }
        });

        overlay.querySelector('#pub-file-btn').addEventListener('click', () => {
            const input = document.createElement('input'); input.type = 'file'; input.accept = '.tsd,.tss';
            input.onchange = async (e) => {
                const file = e.target.files[0]; if (!file) return;
                const isTss = file.name.endsWith('.tss');
                const fd = new FormData(); fd.append('file', file); fd.append('token', this._marketToken);
                if (previewFile) fd.append('preview', previewFile);
                const res = await fetch(isTss ? '/api/market/scenes/upload' : '/api/market/upload', { method: 'POST', body: fd });
                const data = await res.json();
                Toast.show(data.error ? Lang.t('publishFailed') + ': '+data.error : Lang.t('publishSuccess'), data.error ? 'error' : 'success');
                if (!data.error) { overlay.remove(); this._loadItems(); }
            }; input.click();
        });
        this._loadLocalItems(overlay);
    },

    async _loadLocalItems(overlay) {
        const list = overlay.querySelector('#pub-local-list');
        try {
            const dashRes = await fetch('/api/dashboards?category=all');
            const dashes = (await dashRes.json()) || [];
            const sceneRes = await fetch('/api/scenes');
            const scenes = (await sceneRes.json()) || [];
            const upD = dashes.filter(d => !d.is_builtin && !(d.id||'').match(/^[a-f0-9]{6}__/));
            const upS = Array.isArray(scenes) ? scenes.filter(s => !s.is_builtin && !(s.id||'').match(/^[a-f0-9]{6}__/)) : [];
            let h = '';
            if (upD.length) {
                h += '<div class="pub-section" style="cursor:pointer;font-weight:600;font-size:13px;color:var(--text-secondary);margin-bottom:4px;display:flex;align-items:center;gap:6px" onclick="this.nextElementSibling.style.display=this.nextElementSibling.style.display==\'none\'?\'\':\'none\';this.querySelector(\'.pub-arrow\').style.transform=this.nextElementSibling.style.display==\'none\'?\'rotate(-90deg)\':\'\'"><span class="pub-arrow" style="display:inline-block;transition:transform .2s">▼</span> ' + Lang.t('localDashboards') + ' ('+upD.length+')</div>';
                h += '<div class="pub-group">' + upD.map(d => '<div class="glass-card" style="padding:10px 14px;margin-bottom:4px;display:flex;align-items:center;justify-content:space-between;gap:8px"><div><span style="font-weight:500">'+(d.icon||'📊')+' '+d.name+'</span></div><button class="btn btn-sm btn-primary pub-dash-btn" data-id="'+d.id+'">' + Lang.t('publish') + '</button></div>').join('') + '</div>';
            }
            if (upS.length) {
                h += '<div class="pub-section" style="cursor:pointer;font-weight:600;font-size:13px;color:var(--text-secondary);margin:10px 0 4px;display:flex;align-items:center;gap:6px" onclick="this.nextElementSibling.style.display=this.nextElementSibling.style.display==\'none\'?\'\':\'none\';this.querySelector(\'.pub-arrow\').style.transform=this.nextElementSibling.style.display==\'none\'?\'rotate(-90deg)\':\'\'"><span class="pub-arrow" style="display:inline-block;transition:transform .2s">▼</span> ' + Lang.t('localScenes') + ' ('+upS.length+')</div>';
                h += '<div class="pub-group">' + upS.map(s => '<div class="glass-card" style="padding:10px 14px;margin-bottom:4px;display:flex;align-items:center;justify-content:space-between;gap:8px"><div><span style="font-weight:500">🎬 '+s.name+'</span></div><button class="btn btn-sm btn-primary pub-scene-btn" data-id="'+s.id+'">' + Lang.t('publish') + '</button></div>').join('') + '</div>';
            }
            list.innerHTML = h || '<p style="color:var(--text-tertiary);font-size:12px;padding:10px">' + Lang.t('noPublishable') + '</p>';
            list.querySelectorAll('.pub-dash-btn').forEach(btn => btn.addEventListener('click', async () => {
                const r = await fetch('/api/market/publish-local', {method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({id:btn.dataset.id,type:'dashboard',token:this._marketToken})});
                const d = await r.json();
                Toast.show(d.error?Lang.t('publishFailed')+': '+d.error:Lang.t('publishSuccess'),d.error?'error':'success');
                if(!d.error){overlay.remove();this._loadItems();}
            }));
            list.querySelectorAll('.pub-scene-btn').forEach(btn => btn.addEventListener('click', async () => {
                const r = await fetch('/api/market/publish-local', {method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({id:btn.dataset.id,type:'scene',token:this._marketToken})});
                const d = await r.json();
                Toast.show(d.error?Lang.t('publishFailed')+': '+d.error:Lang.t('publishSuccess'),d.error?'error':'success');
                if(!d.error){overlay.remove();this._loadItems();}
            }));
        } catch(e) { list.innerHTML = '<p style="color:var(--text-tertiary);padding:10px">' + Lang.t('loadFailed') + '</p>'; }
    },

    _showLogin() {
        const overlay = document.createElement('div');
        overlay.className = 'modal-overlay';
        const isLogin = !this._marketToken;
        overlay.innerHTML = `<div class="modal" style="min-width:380px;max-width:420px;padding:24px">
            <div style="display:flex;gap:0;margin-bottom:18px;border-bottom:1px solid var(--border-subtle)">
                <button id="ml-tab-login" class="btn btn-sm ${isLogin?'':'btn-secondary'}" style="border-radius:0;border-bottom:2px solid ${isLogin?'var(--accent)':'transparent'};color:${isLogin?'var(--accent)':'var(--text-secondary)'};background:transparent;padding:8px 16px">${Lang.t('login')}</button>
                <button id="ml-tab-register" class="btn btn-sm ${!isLogin?'':'btn-secondary'}" style="border-radius:0;border-bottom:2px solid ${!isLogin?'var(--accent)':'transparent'};color:${!isLogin?'var(--accent)':'var(--text-secondary)'};background:transparent;padding:8px 16px">${Lang.t('register')}</button>
            </div>
            <div class="form-group"><label>${Lang.t('email')}</label><input id="ml-email" type="email" placeholder="your@email.com"></div>
            <div class="form-group" id="ml-name-group" style="display:${!isLogin?'':'none'}"><label>${Lang.t('username')}</label><input id="ml-name" type="text" placeholder="Required"></div>
            <div class="form-group"><label>${Lang.t('password')}</label><input id="ml-pass" type="password"></div>
            <div class="modal-actions">
                <button class="btn btn-sm" id="ml-logout" style="display:${this._marketToken?'':'none'};margin-right:auto;background:var(--bg2);color:var(--text2)">${Lang.t('logout')}</button>
                <span style="flex:1"></span>
                <button class="btn btn-primary btn-sm" id="ml-submit">${isLogin?Lang.t('login'):Lang.t('register')}</button>
            </div></div>`;
        document.body.appendChild(overlay);

        if (this._marketToken) {
            overlay.querySelector('#ml-logout').addEventListener('click', () => {
                this._marketToken = null;
                localStorage.removeItem('turbosu-market-token');
                overlay.remove();
                this._updateUI();
                Toast.show(Lang.t('loggedOut'), 'info');
            });
        }

        let mode = isLogin ? 'login' : 'register';
        const tabLogin = overlay.querySelector('#ml-tab-login');
        const tabRegister = overlay.querySelector('#ml-tab-register');
        const nameGroup = overlay.querySelector('#ml-name-group');
        const submitBtn = overlay.querySelector('#ml-submit');

        function setTab(t) {
            mode = t;
            const isL = t === 'login';
            tabLogin.style.cssText = `border-radius:0;border-bottom:2px solid ${isL?'var(--accent)':'transparent'};color:${isL?'var(--accent)':'var(--text-secondary)'};background:transparent;padding:8px 16px`;
            tabRegister.style.cssText = `border-radius:0;border-bottom:2px solid ${!isL?'var(--accent)':'transparent'};color:${!isL?'var(--accent)':'var(--text-secondary)'};background:transparent;padding:8px 16px`;
            nameGroup.style.display = isL ? 'none' : '';
            submitBtn.textContent = isL ? Lang.t('login') : Lang.t('register');
        }

        tabLogin.addEventListener('click', () => setTab('login'));
        tabRegister.addEventListener('click', () => setTab('register'));

        overlay.addEventListener('click', (e) => { if (e.target === overlay) overlay.remove(); });

        const doAuth = async () => {
            const email = document.getElementById('ml-email').value;
            const pass = document.getElementById('ml-pass').value;
            if (!email || !pass) { Toast.show(Lang.t('enterEmailPassword'), 'error'); return; }
            if (mode === 'login') {
                const res = await fetch('/api/market/auth', { method: 'POST', headers: {'Content-Type':'application/json'}, body: JSON.stringify({email, password: pass}) });
                const data = await res.json();
                if (data.token) {
                    this._marketToken = data.token;
                    localStorage.setItem('turbosu-market-token', data.token);
                    Toast.show(Lang.t('loginSuccess'), 'success');
                    overlay.remove();
                    this._updateUI();
                } else { Toast.show(data.message || Lang.t('loginFailed'), 'error'); }
            } else {
                const name = document.getElementById('ml-name')?.value || '';
                const res = await fetch('/api/market/register', { method: 'POST', headers: {'Content-Type':'application/json'}, body: JSON.stringify({email, password: pass, passwordConfirm: pass, name}) });
                const data = await res.json();
                Toast.show(data.error ? Lang.t('registerFailed') + ': ' + data.error : Lang.t('registerSuccess'), data.error ? 'error' : 'success', data.error ? 3000 : 0);
                if (!data.error) overlay.remove();
            }
        };

        overlay.querySelector('#ml-submit').addEventListener('click', doAuth);
        overlay.querySelector('#ml-pass').addEventListener('keydown', (e) => { if (e.key === 'Enter') doAuth(); });
    },

    _emptyHtml(msg) {
        return `<div class="empty-state" style="grid-column:1/-1"><h4>${msg||Lang.t('marketNoItems')}</h4></div>`;
    },

    _showUpdateModal(ds) {
        if (!this._marketToken) { Toast.show(Lang.t('needLogin'), 'error'); return; }
        const isScene = ds.coll === 'scenes';
        const typeLabel = isScene ? Lang.t('scene') : Lang.t('dashboard');
        const overlay = document.createElement('div'); overlay.className = 'modal-overlay';
        overlay.innerHTML = '<div class="modal" style="min-width:480px;max-width:520px;padding:24px"><h3 style="font-size:18px;font-weight:600;margin-bottom:4px">' + Lang.t('updateItem') + ' ' + typeLabel + '</h3><p style="font-size:12px;color:var(--text-secondary);margin-bottom:18px">重新上传包文件或更换预览图</p><div style="margin-bottom:12px"><label class="switch-label" style="font-size:13px"><input type="checkbox" id="pub-preview-toggle" checked><span class="switch-track"></span> 更换预览图</label></div><button id="pub-update-btn" class="btn btn-primary btn-sm" style="width:100%;margin-bottom:10px">📁 选择新文件 ('+(isScene?'.tss':'.tsd')+')</button><div style="font-size:13px;color:var(--text-tertiary);margin-top:10px;text-align:center">注：仅更新预览图可不选文件</div></div>';
        document.body.appendChild(overlay);
        overlay.addEventListener('click', (e) => { if (e.target === overlay) overlay.remove(); });

        let updateFile = null, previewFile = null;
        const previewDrop = document.createElement('div');
        previewDrop.style.cssText = 'border:2px dashed var(--border-normal);border-radius:8px;padding:20px;text-align:center;color:var(--text-tertiary);font-size:13px;cursor:pointer;margin:8px 0;transition:all .2s';
        previewDrop.textContent = Lang.t('dropPreview');
        overlay.querySelector('.modal').insertBefore(previewDrop, overlay.querySelector('#pub-update-btn'));

        function pickPreview() {
            const inp = document.createElement('input'); inp.type = 'file'; inp.accept = 'image/*'; inp.style.display = 'none';
            inp.onchange = function() {
                const f = this.files[0]; if (!f) return;
                if (f.size > 6291456) { Toast.show(Lang.t('previewTooLarge'), 'error'); return; }
                if (!f.type.startsWith('image/')) { Toast.show(Lang.t('imageOnly'), 'error'); return; }
                previewFile = f; previewDrop.textContent = '\u2713 '+f.name+' ('+(f.size/1024/1024).toFixed(1)+' MB)';
                previewDrop.style.borderColor = 'var(--accent)'; previewDrop.style.color = 'var(--accent)';
            };
            document.body.appendChild(inp); inp.click();
        }
        ['dragenter','dragover'].forEach(ev => previewDrop.addEventListener(ev, e => { e.preventDefault(); previewDrop.style.borderColor = 'var(--accent)'; }));
        ['dragleave','drop'].forEach(ev => previewDrop.addEventListener(ev, e => { e.preventDefault(); previewDrop.style.borderColor = 'var(--border-normal)'; }));
        previewDrop.addEventListener('drop', function(e) {
            e.preventDefault(); const f = e.dataTransfer.files[0]; if (!f) return;
            if (!f.type.startsWith('image/')) { Toast.show(Lang.t('imageOnly'), 'error'); return; }
            if (f.size > 6291456) { Toast.show(Lang.t('previewTooLarge'), 'error'); return; }
            previewFile = f; previewDrop.textContent = '\u2713 '+f.name+' ('+(f.size/1024/1024).toFixed(1)+' MB)';
            previewDrop.style.borderColor = 'var(--accent)'; previewDrop.style.color = 'var(--accent)';
        });
        previewDrop.addEventListener('click', pickPreview);

        overlay.querySelector('#pub-preview-toggle').addEventListener('change', function() {
            previewDrop.style.display = this.checked ? '' : 'none';
            if (!this.checked) { previewFile = null; previewDrop.textContent = Lang.t('dropPreview'); previewDrop.style.borderColor = 'var(--border-normal)'; previewDrop.style.color = 'var(--text-tertiary)'; }
        });

        overlay.querySelector('#pub-update-btn').addEventListener('click', () => {
            const input = document.createElement('input'); input.type = 'file'; input.accept = isScene ? '.tss' : '.tsd';
            input.onchange = function(e) { updateFile = e.target.files[0]; if (updateFile) { const btn = overlay.querySelector('#pub-update-btn'); btn.textContent = '\u2713 '+updateFile.name; btn.style.background = 'var(--accent)'; btn.style.color = '#fff'; } };
            input.click();
        });

        overlay.querySelector('#pub-update-btn').insertAdjacentHTML('afterend', '<button id="pub-do-update" class="btn btn-primary btn-sm" style="width:100%;margin-top:10px">' + Lang.t('confirmUpdate') + '</button>');
        overlay.querySelector('#pub-do-update').addEventListener('click', async () => {
            if (!updateFile && !previewFile) { Toast.show(Lang.t('selectFileOrPreview'), 'error'); return; }
            const fd = new FormData(); fd.append('token', this._marketToken);
            if (updateFile) fd.append('file', updateFile);
            if (previewFile) fd.append('preview', previewFile);
            // If no new preview given, fetch old one from record
            if (!previewFile && ds.preview) {
                try {
                    const prevRes = await fetch('https://turbosu.yeij.top/api/files/'+ds.coll+'/'+ds.id+'/'+ds.preview);
                    if (prevRes.ok) {
                        const blob = await prevRes.blob();
                        fd.append('preview', blob, ds.preview);
                    }
                } catch(e) {}
            }
            const url = isScene ? '/api/market/scenes/upload' : '/api/market/upload';
            const res = await fetch(url, { method: 'POST', body: fd });
            const data = await res.json();
            if (!data.error && data.id) {
                // Delete old record
                await fetch('/api/market/delete', { method: 'POST', headers: {'Content-Type':'application/json'}, body: JSON.stringify({id: ds.id, collection: ds.coll, token: this._marketToken}) });
            }
            Toast.show(data.error ? Lang.t('updateFailed') + data.error : Lang.t('updated'), data.error ? 'error' : 'success');
            if (!data.error) { overlay.remove(); this._loadItems(); }
        });
    },

    _template() {
        return `<div class="animated">
            <div style="display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:10px">
                <div>
                    <h2 style="font-size:24px;font-weight:700">${Lang.t('marketPage')}</h2>
                    <p style="color:var(--text-secondary);font-size:14px;margin-top:4px">${Lang.t('marketDesc')} <span id="m-status" style="color:var(--text-tertiary)"> ${Lang.t('notLoggedIn')}</span></p>
                </div>
                <div style="display:flex;gap:8px">
                    <button id="btn-m-upload" class="btn btn-sm btn-secondary" style="display:none">${Lang.t('publish')}</button>
                    <button id="btn-m-login" class="btn btn-sm btn-primary">${Lang.t('login')}</button>
                </div>
            </div>
            <div style="display:flex;gap:0;margin-bottom:16px;border-bottom:1px solid var(--border-subtle);align-items:flex-end">
                <button id="tab-dashboards" class="btn btn-sm active" style="border-radius:0;border-bottom:2px solid var(--accent);color:var(--accent);background:transparent;padding:8px 16px">${Lang.t('dashboardsTab')}</button>
                <button id="tab-scenes" class="btn btn-sm" style="border-radius:0;border-bottom:2px solid transparent;color:var(--text-secondary);background:transparent;padding:8px 16px">${Lang.t('scenesTab')}</button>
                <button id="tab-mine" class="btn btn-sm" style="border-radius:0;border-bottom:2px solid transparent;color:var(--text-secondary);background:transparent;padding:8px 16px">${Lang.t('myTab')}</button>
                <span style="flex:1"></span>
                <button id="btn-refresh-market" class="icon-btn" style="width:auto;padding:0 8px;margin-bottom:4px;font-size:12px" title="${Lang.t('refresh')}">🔄</button>
            </div>
            <div id="market-grid" class="theme-grid"></div>
        </div>`;
    }
};

window.PageMarket = PageMarket;