document.addEventListener('DOMContentLoaded', () => {
    // Evidence Governance Toggle Logic
    const approveBtn = document.getElementById('approve-btn');
    const rejectBtn = document.getElementById('reject-btn');
    const agentBadge = document.getElementById('agent-badge');
    const finalBadge = document.getElementById('final-badge');
    const statusText = document.getElementById('review-status');

    if (approveBtn && rejectBtn) {
        // Human Approves the Finding
        approveBtn.addEventListener('click', () => {
            agentBadge.className = 'badge-tier2 line-through opacity-50';
            finalBadge.className = 'badge-tier1';
            finalBadge.textContent = 'Tier 1 Verified (Human Approved)';
            statusText.textContent = 'SUCCESS: Finding verified by human analyst. Promoted to Tier 1.';
            statusText.className = 'text-green-400 text-sm mb-6 font-mono font-bold';
            disableButtons();
        });

        // Human Rejects the Finding (Triggers the Fallback Protocol)
        rejectBtn.addEventListener('click', () => {
            agentBadge.className = 'badge-tier2';
            finalBadge.className = 'badge-tier2';
            finalBadge.textContent = 'Tier 2: Indicative (Fallback Applied)';
            statusText.textContent = 'FALLBACK: Tier 1 rejected. Defaulted to Tier 2 as per governance protocol.';
            statusText.className = 'text-yellow-400 text-sm mb-6 font-mono font-bold';
            disableButtons();
        });
    }

    function disableButtons() {
        approveBtn.disabled = true;
        rejectBtn.disabled = true;
        approveBtn.classList.add('opacity-50', 'cursor-not-allowed');
        rejectBtn.classList.add('opacity-50', 'cursor-not-allowed');
    }

    // --- COLD AUDIT FORM LOGIC (REAL BACKEND) ---
    const auditForm = document.getElementById('audit-form');
    if (auditForm) {
        auditForm.addEventListener('submit', async (e) => {
            e.preventDefault();
            const submitBtn = document.getElementById('submit-btn');
            const formStatus = document.getElementById('form-status');

            submitBtn.disabled = true;
            submitBtn.textContent = 'Transmitting...';
            submitBtn.classList.add('opacity-75', 'cursor-not-allowed');
            formStatus.classList.add('hidden');

            const formData = new FormData(auditForm);
            const payload = Object.fromEntries(formData.entries());

            // API endpoint. Default: same-origin /api/audit (routed to the
            // Node backend by Caddy on the VPS) — avoids mixed-content/CORS.
            // Direct IP alt (local test / no proxy): http://74.208.111.99:8199/api/audit
            const API_URL = (typeof window.DOP_API_URL !== 'undefined')
                ? window.DOP_API_URL
                : '/api/audit';

            try {
                const response = await fetch(API_URL, {
                    method: 'POST',
                    headers: { 'Content-Type': 'application/json' },
                    body: JSON.stringify(payload)
                });
                const result = await response.json();

                if (response.ok) {
                    formStatus.className = 'mt-4 p-4 rounded border text-sm border-green-300 bg-green-50 text-green-800';
                    formStatus.innerHTML = '<strong>Protocol Initiated:</strong> Your Layer 1a Cold Audit request has been received. A human analyst will review your entity footprint within 24 hours.';
                    auditForm.reset();
                } else {
                    throw new Error(result.message || 'Transmission failed');
                }
            } catch (error) {
                formStatus.className = 'mt-4 p-4 rounded border text-sm border-red-300 bg-red-50 text-red-800';
                formStatus.innerHTML = `<strong>Transmission Error:</strong> ${error.message}. Please try again or contact us directly.`;
            } finally {
                formStatus.classList.remove('hidden');
                submitBtn.textContent = 'Initiate Audit';
                submitBtn.disabled = false;
                submitBtn.classList.remove('opacity-75', 'cursor-not-allowed');
            }
        });
    }
});