feat: add Chinese and English UI language switch

templates/admin/categories.html

@@ -4,7 +4,7 @@
 async function load(){const r=await fetch('/admin/api/categories'),d=await r.json();if(!d.data?.length){list.innerHTML='<div class="empty-state">No categories yet.</div>';return}list.innerHTML=d.data.map(c=>`<div style="display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid var(--line)"><div><strong>${escapeHTML(c.name)}</strong><span class="tag" style="margin-left:9px">order ${c.sort_order}</span></div><div><button class="btn" onclick='edit(${JSON.stringify(c)})'>Edit</button> <button class="btn btn-danger" onclick="del(${c.id},'${escapeHTML(c.name)}')">Delete</button></div></div>`).join('')}
 function openModal(id,name,order){editId.value=id||'';catName.value=name||'';catOrder.value=order||0;modalTitle.textContent=id?'Edit category':'Add category';modal.style.display='flex';catName.focus()}
 function edit(c){openModal(c.id,c.name,c.sort_order)}function closeModal(){modal.style.display='none'}
-async function save(){const id=editId.value,name=catName.value.trim();if(!name)return alert('Name is required');const body={name,sort_order:+catOrder.value||0};if(id)body.id=+id;const r=await fetch(id?'/admin/api/categories/'+id:'/admin/api/categories',{method:id?'PUT':'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify(body)}),d=await r.json();if(d.success){closeModal();load()}else alert(d.message||'Save failed')}
-async function del(id,name){if(!confirm('Delete '+name+'?'))return;const r=await fetch('/admin/api/categories/'+id,{method:'DELETE'}),d=await r.json();if(d.success)load();else alert(d.message||'Delete failed')}
+async function save(){const id=editId.value,name=catName.value.trim();if(!name)return alert(t('Name is required'));const body={name,sort_order:+catOrder.value||0};if(id)body.id=+id;const r=await fetch(id?'/admin/api/categories/'+id:'/admin/api/categories',{method:id?'PUT':'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify(body)}),d=await r.json();if(d.success){closeModal();load()}else alert(d.message||t('Save failed'))}
+async function del(id,name){if(!confirm(t('Delete ')+name+t('?')))return;const r=await fetch('/admin/api/categories/'+id,{method:'DELETE'}),d=await r.json();if(d.success)load();else alert(d.message||t('Delete failed'))}
 function escapeHTML(s){const d=document.createElement('div');d.textContent=s||'';return d.innerHTML}document.addEventListener('keydown',e=>{if(e.key==='Escape')closeModal()});load();
-</script></body></html>
+</script><script src="/static/js/i18n.js"></script></body></html>

templates/admin/change_password.html

@@ -1 +1 @@
-<!DOCTYPE html><html lang="zh-CN"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Change password - ToNav</title><link rel="stylesheet" href="/static/css/admin.css"><script>document.documentElement.classList.toggle('dark',localStorage.getItem('tonav-theme')==='dark')</script></head><body><div class="login-shell"><div class="login-box"><div class="login-brand">Change password</div><div class="login-sub">Update your administrator credentials</div><div class="alert">For security, the initial password must be changed before continuing.</div>{{ if .error }}<div class="error-box">{{ .error }}</div>{{ end }}<form method="POST"><div class="form-group"><label>Current password</label><input class="input" type="password" name="old_password" required autocomplete="current-password"></div><div class="form-group"><label>New password</label><input class="input" type="password" name="new_password" minlength="6" required autocomplete="new-password"></div><div class="form-group"><label>Confirm new password</label><input class="input" type="password" name="confirm_password" minlength="6" required autocomplete="new-password"></div><button class="btn btn-primary" type="submit">Update password</button></form></div></div></body></html>
+<!DOCTYPE html><html lang="zh-CN"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Change password - ToNav</title><link rel="stylesheet" href="/static/css/admin.css"><script>document.documentElement.classList.toggle('dark',localStorage.getItem('tonav-theme')==='dark')</script></head><body><div class="login-shell"><div class="login-box"><div class="login-brand">Change password</div><div class="login-sub">Update your administrator credentials</div><div class="alert">For security, the initial password must be changed before continuing.</div>{{ if .error }}<div class="error-box">{{ .error }}</div>{{ end }}<form method="POST"><div class="form-group"><label>Current password</label><input class="input" type="password" name="old_password" required autocomplete="current-password"></div><div class="form-group"><label>New password</label><input class="input" type="password" name="new_password" minlength="6" required autocomplete="new-password"></div><div class="form-group"><label>Confirm new password</label><input class="input" type="password" name="confirm_password" minlength="6" required autocomplete="new-password"></div><button class="btn btn-primary" type="submit">Update password</button></form></div></div><script src="/static/js/i18n.js"></script></body></html>

templates/admin/dashboard.html

@@ -31,7 +31,7 @@
 </div></main></div>
 <div id="settingsModal" class="modal-overlay"><div class="modal-content">
 <div class="modal-head"><h2>System settings</h2><button class="close" onclick="closeSettings()">×</button></div>
-<div class="form-group"><label>Site title</label><input id="cfg_site_title" class="input"></div>
+<div class="form-group"><label>Language</label><select id="cfg_language" class="input"><option value="en">English</option><option value="zh-CN">Chinese (Simplified)</option></select></div><div class="form-group"><label>Site title</label><input id="cfg_site_title" class="input"></div>
 <div class="form-group"><label>WebDAV URL</label><input id="cfg_url" class="input"></div>
 <div class="form-row"><div class="form-group"><label>Username</label><input id="cfg_user" class="input"></div><div class="form-group"><label>Password</label><input id="cfg_pass" type="password" class="input"></div></div>
 <div class="form-group"><label><input type="checkbox" id="cfg_auto_backup"> Daily backup at 03:00</label></div>
@@ -42,17 +42,17 @@
 <script>
 function toggleTheme(){const dark=!document.documentElement.classList.contains('dark');document.documentElement.classList.toggle('dark',dark);localStorage.setItem('tonav-theme',dark?'dark':'light')}
 function closeSettings(){document.getElementById('settingsModal').style.display='none'}
-async function showSettings(){const r=await fetch('/admin/api/settings'),d=await r.json();cfg_site_title.value=d.site_title||'';cfg_url.value=d.webdav_url||'';cfg_user.value=d.webdav_user||'';cfg_pass.value=d.webdav_password||'';cfg_auto_backup.checked=d.auto_backup==='true';document.getElementById('settingsModal').style.display='flex';loadMCPStatus();loadCloudBackups()}
+async function showSettings(){const r=await fetch('/admin/api/settings'),d=await r.json();cfg_language.value=d.language||'en';cfg_site_title.value=d.site_title||'';cfg_url.value=d.webdav_url||'';cfg_user.value=d.webdav_user||'';cfg_pass.value=d.webdav_password||'';cfg_auto_backup.checked=d.auto_backup==='true';document.getElementById('settingsModal').style.display='flex';loadMCPStatus();loadCloudBackups()}
 async function loadMCPStatus(){try{const r=await fetch('/admin/api/mcp/status'),d=await r.json();cfg_mcp_enabled.checked=d.enabled;mcpTokenRow.style.display=d.enabled?'block':'none';cfg_mcp_token.value=d.token_masked||'Not generated'}catch(e){}}
-async function toggleMCP(){const enabled=cfg_mcp_enabled.checked;try{const r=await fetch('/admin/api/mcp/enabled',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({enabled})}),d=await r.json();if(!d.success)throw Error(d.message)}catch(e){alert(e.message||'Failed');cfg_mcp_enabled.checked=!enabled;mcpTokenRow.style.display=enabled?'none':'block'}}
-async function copyMCPToken(btn){try{const r=await fetch('/admin/api/mcp/token'),d=await r.json();if(!d.success)throw Error(d.message);await navigator.clipboard.writeText(d.token);const old=btn.textContent;btn.textContent='Copied';setTimeout(()=>btn.textContent=old,1200)}catch(e){alert('Copy failed: '+e.message)}}
-async function regenMCPToken(){if(!confirm('Regenerate token? The old token will stop working.'))return;const r=await fetch('/admin/api/mcp/token',{method:'POST'}),d=await r.json();if(d.success){alert('New token:\n\n'+d.token);loadMCPStatus()}else alert(d.message)}
+async function toggleMCP(){const enabled=cfg_mcp_enabled.checked;try{const r=await fetch('/admin/api/mcp/enabled',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({enabled})}),d=await r.json();if(!d.success)throw Error(d.message)}catch(e){alert(e.message||t('Failed'));cfg_mcp_enabled.checked=!enabled;mcpTokenRow.style.display=enabled?'none':'block'}}
+async function copyMCPToken(btn){try{const r=await fetch('/admin/api/mcp/token'),d=await r.json();if(!d.success)throw Error(d.message);await navigator.clipboard.writeText(d.token);const old=btn.textContent;btn.textContent='Copied';setTimeout(()=>btn.textContent=old,1200)}catch(e){alert(t('Copy failed: ') + e.message)}}
+async function regenMCPToken(){if(!confirm(t('Regenerate token? The old token will stop working.')))return;const r=await fetch('/admin/api/mcp/token',{method:'POST'}),d=await r.json();if(d.success){alert(t('New token:')+'\n\n'+d.token);loadMCPStatus()}else alert(d.message)}
 async function loadCloudBackups(){const el=backupList;try{const r=await fetch('/admin/api/backup/list'),d=await r.json();if(!d.files?.length){el.textContent='No cloud backups';return}el.innerHTML=d.files.map(f=>`<div style="padding:8px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:10px"><span>${f.name}<small style="display:block;color:var(--faint)">${formatTime(f.mod_time)} · ${formatSize(f.size)}</small></span><span><button class="btn" onclick="restoreBackup('${encodeURIComponent(f.name)}')">Restore</button> <button class="btn btn-danger" onclick="deleteBackup('${encodeURIComponent(f.name)}')">Delete</button></span></div>`).join('')}catch(e){el.textContent='Unable to load backups'}}
 function formatSize(b){if(!b)return'';if(b<1024)return b+' B';if(b<1048576)return(b/1024).toFixed(1)+' KB';return(b/1048576).toFixed(1)+' MB'}
 function formatTime(s){if(!s)return'';const d=new Date(s);return isNaN(d)?s:d.toLocaleString('zh-CN')}
-async function saveSettings(){const data={site_title:cfg_site_title.value,webdav_url:cfg_url.value,webdav_user:cfg_user.value,webdav_password:cfg_pass.value,auto_backup:cfg_auto_backup.checked?'true':'false'};const r=await fetch('/admin/api/settings',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify(data)}),d=await r.json();alert(d.message||'Saved')}
-async function runBackup(){if(!confirm('Run cloud backup now?'))return;const r=await fetch('/admin/api/backup/webdav',{method:'POST'}),d=await r.json();alert(d.message||'Backup complete')}
-async function restoreBackup(name){name=decodeURIComponent(name);if(!confirm('Restore '+name+'? Current database will be backed up first.'))return;const r=await fetch('/admin/api/backup/restore?name='+encodeURIComponent(name),{method:'POST'}),d=await r.json();alert(d.message||'Done');if(d.success)location.reload()}
-async function deleteBackup(name){name=decodeURIComponent(name);if(!confirm('Delete '+name+'?'))return;const r=await fetch('/admin/api/backup/delete?name='+encodeURIComponent(name),{method:'DELETE'}),d=await r.json();if(d.success)loadCloudBackups();else alert(d.message)}
+async function saveSettings(){const data={language:cfg_language.value,site_title:cfg_site_title.value,webdav_url:cfg_url.value,webdav_user:cfg_user.value,webdav_password:cfg_pass.value,auto_backup:cfg_auto_backup.checked?'true':'false'};const r=await fetch('/admin/api/settings',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify(data)}),d=await r.json();alert(d.message||t('Saved'));if(d.success){location.reload()}}
+async function runBackup(){if(!confirm(t('Run cloud backup now?')))return;const r=await fetch('/admin/api/backup/webdav',{method:'POST'}),d=await r.json();alert(d.message||t('Backup complete'))}
+async function restoreBackup(name){name=decodeURIComponent(name);if(!confirm(t('Restore ')+name+t('? Current database will be backed up first.')))return;const r=await fetch('/admin/api/backup/restore?name='+encodeURIComponent(name),{method:'POST'}),d=await r.json();alert(d.message||t('Done'));if(d.success)location.reload()}
+async function deleteBackup(name){name=decodeURIComponent(name);if(!confirm(t('Delete ')+name+t('?')))return;const r=await fetch('/admin/api/backup/delete?name='+encodeURIComponent(name),{method:'DELETE'}),d=await r.json();if(d.success)loadCloudBackups();else alert(d.message)}
 document.addEventListener('keydown',e=>{if(e.key==='Escape')closeSettings()});
-</script></body></html>
+</script><script src="/static/js/i18n.js"></script></body></html>

templates/admin/login.html

@@ -1 +1 @@
-<!DOCTYPE html><html lang="zh-CN"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Sign in - ToNav</title><link rel="stylesheet" href="/static/css/admin.css"><script>document.documentElement.classList.toggle('dark',localStorage.getItem('tonav-theme')==='dark')</script></head><body><div class="login-shell"><div class="login-box"><div class="login-brand">ToNav</div><div class="login-sub">Administration</div>{{ if .error }}<div class="error-box">{{ .error }}</div>{{ end }}<form method="POST"><div class="form-group"><label>Username</label><input class="input" type="text" name="username" required autofocus autocomplete="username"></div><div class="form-group"><label>Password</label><input class="input" type="password" name="password" required autocomplete="current-password"></div><button class="btn btn-primary" type="submit">Sign in</button></form></div></div></body></html>
+<!DOCTYPE html><html lang="zh-CN"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Sign in - ToNav</title><link rel="stylesheet" href="/static/css/admin.css"><script>document.documentElement.classList.toggle('dark',localStorage.getItem('tonav-theme')==='dark')</script></head><body><div class="login-shell"><div class="login-box"><div class="login-brand">ToNav</div><div class="login-sub">Administration</div>{{ if .error }}<div class="error-box">{{ .error }}</div>{{ end }}<form method="POST"><div class="form-group"><label>Username</label><input class="input" type="text" name="username" required autofocus autocomplete="username"></div><div class="form-group"><label>Password</label><input class="input" type="password" name="password" required autocomplete="current-password"></div><button class="btn btn-primary" type="submit">Sign in</button></form></div></div><script src="/static/js/i18n.js"></script></body></html>

templates/admin/services.html

@@ -4,6 +4,6 @@
 async function load(){const r=await fetch('/admin/api/services'),d=await r.json(),q=filter.value.toLowerCase();const rows=(d.data||[]).filter(s=>!q||[s.name,s.description,s.tags,s.url].some(x=>(x||'').toLowerCase().includes(q)));emptyMsg.style.display=rows.length?'none':'block';list.innerHTML=rows.map(s=>`<tr><td><div style="display:flex;align-items:center;gap:10px"><span class="service-icon">${escapeHTML(s.icon||'◎')}</span><span><strong>${escapeHTML(s.name)}</strong><small style="display:block;color:var(--muted)">${escapeHTML(s.url)}</small></span></div></td><td>${escapeHTML(categoryMap[s.category_id]||'—')}</td><td><span class="status-inline"><i class="dot ${s.status}"></i>${s.status==='online'?'Online':s.status==='offline'?'Offline':'Unknown'}</span></td><td>${s.sort_order}</td><td><button class="btn" onclick='editSvc(${JSON.stringify(s)})'>Edit</button> <button class="btn btn-danger" onclick="del(${s.id},'${escapeHTML(s.name)}')">Delete</button></td></tr>`).join('')}
 function openModal(){editId.value='';svcName.value='';svcUrl.value='';svcIcon.value='';svcCategory.value='0';svcDesc.value='';svcTags.value='';svcOrder.value='0';svcHealthUrl.value='';svcEnabled.checked=true;svcHealthEnabled.checked=false;modalTitle.textContent='Add service';modal.style.display='flex';svcName.focus()}
 function editSvc(s){editId.value=s.id;svcName.value=s.name;svcUrl.value=s.url;svcIcon.value=s.icon||'';svcCategory.value=s.category_id||'0';svcDesc.value=s.description||'';svcTags.value=s.tags||'';svcOrder.value=s.sort_order||0;svcHealthUrl.value=s.health_check_url||'';svcEnabled.checked=s.is_enabled;svcHealthEnabled.checked=s.health_check_enabled;modalTitle.textContent='Edit service';modal.style.display='flex'}function closeModal(){modal.style.display='none'}
-async function save(){const id=editId.value,name=svcName.value.trim(),url=svcUrl.value.trim();if(!name||!url)return alert('Name and URL are required');const body={name,url,icon:svcIcon.value.trim(),category_id:+svcCategory.value||0,description:svcDesc.value.trim(),tags:svcTags.value.trim(),sort_order:+svcOrder.value||0,health_check_url:svcHealthUrl.value.trim(),is_enabled:svcEnabled.checked,health_check_enabled:svcHealthEnabled.checked};if(id)body.id=+id;const r=await fetch(id?'/admin/api/services/'+id:'/admin/api/services',{method:id?'PUT':'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify(body)}),d=await r.json();if(d.success){closeModal();load()}else alert(d.message||'Save failed')}
-async function del(id,name){if(!confirm('Delete '+name+'?'))return;const r=await fetch('/admin/api/services/'+id,{method:'DELETE'}),d=await r.json();if(d.success)load();else alert(d.message||'Delete failed')}
-function escapeHTML(s){const d=document.createElement('div');d.textContent=s||'';return d.innerHTML}function toggleTheme(){const dark=!document.documentElement.classList.contains('dark');document.documentElement.classList.toggle('dark',dark);localStorage.setItem('tonav-theme',dark?'dark':'light')}document.addEventListener('keydown',e=>{if(e.key==='Escape')closeModal()});load();</script></body></html>
+async function save(){const id=editId.value,name=svcName.value.trim(),url=svcUrl.value.trim();if(!name||!url)return alert(t('Name and URL are required'));const body={name,url,icon:svcIcon.value.trim(),category_id:+svcCategory.value||0,description:svcDesc.value.trim(),tags:svcTags.value.trim(),sort_order:+svcOrder.value||0,health_check_url:svcHealthUrl.value.trim(),is_enabled:svcEnabled.checked,health_check_enabled:svcHealthEnabled.checked};if(id)body.id=+id;const r=await fetch(id?'/admin/api/services/'+id:'/admin/api/services',{method:id?'PUT':'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify(body)}),d=await r.json();if(d.success){closeModal();load()}else alert(d.message||t('Save failed'))}
+async function del(id,name){if(!confirm(t('Delete ')+name+t('?')))return;const r=await fetch('/admin/api/services/'+id,{method:'DELETE'}),d=await r.json();if(d.success)load();else alert(d.message||t('Delete failed'))}
+function escapeHTML(s){const d=document.createElement('div');d.textContent=s||'';return d.innerHTML}function toggleTheme(){const dark=!document.documentElement.classList.contains('dark');document.documentElement.classList.toggle('dark',dark);localStorage.setItem('tonav-theme',dark?'dark':'light')}document.addEventListener('keydown',e=>{if(e.key==='Escape')closeModal()});load();</script><script src="/static/js/i18n.js"></script></body></html>