// static/js/settings.js v7
var currentAccent = '#ffc107';

function switchPanel(id, el) {
    document.querySelectorAll('.settings-panel').forEach(function(p) { p.classList.remove('active'); });
    document.getElementById(id).classList.add('active');
    document.querySelectorAll('.settings-tab').forEach(function(t) { t.classList.remove('active'); });
    el.classList.add('active');
}

function setAccent(hex, el) {
    currentAccent = hex;
    document.querySelectorAll('.swatch').forEach(function(s) { s.classList.remove('active'); });
    if (el) el.classList.add('active');
    document.getElementById('custom-accent').value = hex;
    previewSettings();
}

function previewSettings() {
    document.documentElement.style.setProperty('--accent', currentAccent);
    document.documentElement.style.setProperty('--accent-dim', currentAccent + '1f');
    document.documentElement.style.setProperty('--accent-glow', currentAccent + '40');

    var theme = document.getElementById('setting-theme-mode').value;
    var isLight = theme === 'light';
    document.documentElement.classList.toggle('light', isLight);
    localStorage.setItem('theme', isLight ? 'light' : 'dark');
    var icon = document.getElementById('theme-icon');
    if (icon) icon.className = isLight ? 'fa-solid fa-sun' : 'fa-solid fa-moon';

    var bgUrl = document.getElementById('setting-bg-url').value.trim();
    document.body.style.backgroundImage = bgUrl ? 'url(' + bgUrl + ')' : 'none';
    if (bgUrl) { document.body.style.backgroundSize = 'cover'; document.body.style.backgroundPosition = 'center'; }

    var ef = document.getElementById('setting-editor-font').value;
    var es = document.getElementById('setting-editor-font-size').value;
    var pm = document.getElementById('setting-editor-minimap').value === 'true';
    document.documentElement.style.setProperty('--font-mono', ef);
    if (typeof editor !== 'undefined' && editor) {
        editor.setOptions({ fontFamily: ef, fontSize: es, showPrintMargin: pm });
        editor.setTheme(isLight ? 'ace/theme/github' : 'ace/theme/tomorrow_night_eighties');
    }

    var ts = document.getElementById('setting-terminal-font-size').value;
    var to = document.getElementById('term-output');
    if (to) to.style.fontSize = ts;
}

async function saveSettings() {
    var btn = document.getElementById('save-settings-btn');
    btn.innerHTML = '<i class="fa-solid fa-spinner fa-spin"></i> Saving...';
    previewSettings();
    var d = {
        theme: document.getElementById('setting-theme-mode').value, accent: currentAccent,
        bgUrl: document.getElementById('setting-bg-url').value,
        editorFont: document.getElementById('setting-editor-font').value,
        editorSize: document.getElementById('setting-editor-font-size').value,
        editorMinimap: document.getElementById('setting-editor-minimap').value,
        termSize: document.getElementById('setting-terminal-font-size').value,
        openrouterKey: document.getElementById('setting-openrouter-key').value,
        nvidiaKey: document.getElementById('setting-nvidia-key').value,
        aiModel: document.getElementById('setting-ai-model').value,
        aiPrompt: document.getElementById('setting-ai-prompt').value
    };
    try {
        var res = await fetch('/api/settings', { method: 'POST', headers: {'Content-Type': 'application/json'}, body: JSON.stringify({token: currentToken, settings: d}) });
        var data = await res.json();
        if (data.success) { btn.innerHTML = '<i class="fa-solid fa-check"></i> Saved'; showToast('Settings saved', 'success'); setTimeout(function() { btn.innerHTML = 'Save Settings'; }, 2000); }
        else showToast('Failed', 'error');
    } catch (e) { showToast('Network error', 'error'); }
    btn.innerHTML = 'Save Settings';
}

async function loadSettings() {
    if (!currentUser) return;
    var u = document.getElementById('setting-username'), a = document.getElementById('profile-avatar');
    if (u) u.value = currentUser;
    if (a) a.textContent = currentUser.charAt(0).toUpperCase();
    var t = localStorage.getItem('theme');
    if (t) document.getElementById('setting-theme-mode').value = t;
    previewSettings();
}

function updateAIModelBadge() {
    var el = document.getElementById('setting-ai-model'), b = document.getElementById('current-ai-model');
    if (el && b) b.textContent = el.options[el.selectedIndex].text;
}

async function syncHuggingFace() {
    var btn = document.getElementById('hf-sync-btn'), st = document.getElementById('sync-status');
    btn.innerHTML = '<i class="fa-solid fa-spinner fa-spin"></i> Syncing...';
    btn.disabled = true;
    try {
        var res = await fetch('/api/sync/hf', { method: 'POST', headers: {'Content-Type': 'application/json'}, body: JSON.stringify({token: currentToken}) });
        var data = await res.json();
        if (data.success) { showToast('Synced!', 'success'); st.textContent = data.message; st.style.color = 'var(--success)'; }
        else { showToast('Failed', 'error'); st.textContent = data.error; st.style.color = 'var(--error)'; }
    } catch (e) { showToast('Network error', 'error'); st.textContent = 'Error'; st.style.color = 'var(--error)'; }
    btn.innerHTML = '<i class="fa-solid fa-rotate"></i> Sync to HF Bucket';
    btn.disabled = false;
}

function downloadWorkspace() { if (currentToken) window.location.href = '/api/export/' + currentToken; }

function toggleGithubModal() {
    var m = document.getElementById('github-import-modal');
    if (m.style.display === 'none' || !m.style.display) { m.style.display = 'block'; document.getElementById('github-repo-url').focus(); }
    else { m.style.display = 'none'; document.getElementById('github-repo-url').value = ''; document.getElementById('github-pat-token').value = ''; }
}

async function importGithubRepo() {
    if (!currentToken) return;
    var url = document.getElementById('github-repo-url').value.trim();
    var tok = document.getElementById('github-pat-token').value.trim();
    if (!url || !url.startsWith('https://github.com/')) { showToast('Enter valid GitHub URL', 'warning'); return; }
    toggleGithubModal();
    showToast('Cloning...', 'info');
    try {
        var payload = { token: currentToken, github_url: url };
        if (tok) payload.github_token = tok;
        var res = await fetch('/api/import/github', { method: 'POST', headers: {'Content-Type': 'application/json'}, body: JSON.stringify(payload) });
        var data = await res.json();
        if (data.success) { showToast('Imported!', 'success'); setTimeout(function() { location.reload(); }, 1500); }
        else showToast('Failed: ' + data.error, 'error');
    } catch (e) { showToast('Error', 'error'); }
}