let _qCtx = null;

function openQuotaModal(type, name, path, validUsers) {
    _qCtx = { type, name, path, users: validUsers ? validUsers.split(/[\s,]+/).filter(Boolean) : [] };
    document.getElementById('quotaModalTitle').textContent =
        'Quota — ' + (type === 'smb' ? esc(name) : esc(path));

    let body = '';
    if (type === 'smb' && _qCtx.users.length > 0) {
        body = _qCtx.users.map(u => `
            <div class="mb-3">
                <label class="form-label" style="color:var(--muted); font-size:.85rem">${esc(u)}</label>
                <div class="input-group">
                    <input type="number" class="form-control quota-inp" data-user="${esc(u)}" placeholder="GB" min="1">
                    <span class="input-group-text">GB</span>
                </div>
            </div>`).join('');
    } else {
        const note = type === 'nfs'
            ? `<p class="mb-3" style="color:var(--muted); font-size:.87rem">Path: <code>${esc(path)}</code></p>`
            : `<p class="mb-3" style="color:var(--muted); font-size:.87rem">No valid users on this share — enter a username manually.</p>`;
        body = note + `
            <div class="mb-3">
                <label class="form-label" style="color:var(--muted); font-size:.85rem">Username</label>
                <input type="text" id="qManualUser" class="form-control" placeholder="username">
            </div>
            <div class="mb-3">
                <label class="form-label" style="color:var(--muted); font-size:.85rem">Quota</label>
                <div class="input-group">
                    <input type="number" id="qManualGB" class="form-control" placeholder="GB" min="1">
                    <span class="input-group-text">GB</span>
                </div>
            </div>`;
    }

    document.getElementById('quotaModalBody').innerHTML = body;
    new bootstrap.Modal(document.getElementById('quotaModal')).show();
}

async function submitQuota() {
    if (!_qCtx) return;
    const calls = [];

    if (_qCtx.type === 'smb' && _qCtx.users.length > 0) {
        for (const inp of document.querySelectorAll('.quota-inp')) {
            const gb = parseInt(inp.value);
            if (!gb || gb <= 0) continue;
            calls.push({ user: inp.dataset.user, quota: gb, path: _qCtx.path });
        }
    } else {
        const user = document.getElementById('qManualUser')?.value.trim();
        const gb = parseInt(document.getElementById('qManualGB')?.value);
        if (!user) return showToast('Username is required.', 'danger');
        if (!gb || gb <= 0) return showToast('Quota must be a positive number.', 'danger');
        calls.push({ user, path: _qCtx.path || '/srv', quota: gb });
    }

    if (!calls.length) return showToast('No quota values entered.', 'warning');

    bootstrap.Modal.getInstance(document.getElementById('quotaModal')).hide();

    const responses = await Promise.all(calls.map(body =>
        apiFetch('/api/quota', { method: 'POST', headers: {'Content-Type': 'application/json'}, body: JSON.stringify(body) })
    ));
    const errors = [];
    for (const r of responses) {
        if (r && !r.ok) {
            const d = await r.json().catch(() => ({}));
            errors.push(d.error || `HTTP ${r.status}`);
        }
    }
    if (errors.length) showToast('Quota error: ' + errors.join('; '), 'danger');
    else showToast(`Quota${calls.length > 1 ? 's' : ''} applied.`);

    loadDashboard();
}