import { Layout } from "./Layout.tsx";

export const LoginPage = () => {
  return (
    <Layout title="Sign In">
      <div>
        <div class="brand-header">
          <div class="brand-logo">
            <svg
              width="26"
              height="26"
              viewBox="0 0 24 24"
              fill="none"
              stroke="currentColor"
              stroke-width="2.5"
              stroke-linecap="round"
              stroke-linejoin="round"
            >
              <rect x="3" y="11" width="18" height="11" rx="2" ry="2"></rect>
              <path d="M7 11V7a5 5 0 0 1 10 0v4"></path>
            </svg>
          </div>
          <h1>Welcome Back</h1>
          <p class="subtitle">
            Sign in securely using your biometric passkey or hardware key.
          </p>
        </div>

        {/*  Primary Biometric Hero Button  */}
        <button
          type="button"
          id="loginBtn"
          class="btn-primary"
          style="width: 100%; min-height: 52px; font-size: 1.05rem; border-radius: var(--radius-md); box-shadow: var(--shadow-sm);"
        >
          <svg
            width="22"
            height="22"
            viewBox="0 0 24 24"
            fill="none"
            stroke="currentColor"
            stroke-width="2"
            stroke-linecap="round"
            stroke-linejoin="round"
          >
            <circle cx="7.5" cy="15.5" r="5.5"></circle>
            <path d="m21 2-9.6 9.6"></path>
            <path d="m15.5 7.5 3 3L22 7l-3-3"></path>
          </svg>
          <span>Sign In with Passkey</span>
        </button>

        {/*  Loading Indicator  */}
        <div
          id="loadingIndicator"
          style="display: none; margin-top: 1.25rem; text-align: center; color: var(--primary); font-size: 0.9rem; font-weight: 500;"
        >
          <div style="display: inline-flex; align-items: center; gap: 0.5rem;">
            <svg
              style="animation: spin 1s linear infinite;"
              width="18"
              height="18"
              viewBox="0 0 24 24"
              fill="none"
              stroke="currentColor"
              stroke-width="2.5"
            >
              <circle
                cx="12"
                cy="12"
                r="10"
                stroke-dasharray="32"
                stroke-dashoffset="12"
              >
              </circle>
            </svg>
            <span>Touch biometric sensor or scan passkey...</span>
          </div>
        </div>

        <div id="statusMessage"></div>

        {/*  Progressive Disclosure for Non-Resident Keys & Recovery  */}
        <details style="margin-top: 2rem; border-top: 1px solid var(--border-subtle); padding-top: 1.25rem; text-align: left;">
          <summary style="color: var(--text-secondary); font-size: 0.875rem; font-weight: 600; cursor: pointer; user-select: none;">
            Advanced & Recovery Options
          </summary>
          <div style="margin-top: 1rem;">
            <label
              for="loginUsername"
              style="display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 0.4rem;"
            >
              Specify Username (Optional)
            </label>
            <input
              type="text"
              id="loginUsername"
              autocomplete="username webauthn"
              placeholder="e.g. pilot_alice"
              style="margin-bottom: 0.75rem;"
            />
            <p style="font-size: 0.8rem; color: var(--text-muted); margin: 0 0 1rem 0;">
              Only required if using legacy, non-discoverable security keys.
            </p>

            <div style="text-align: center; border-top: 1px dashed var(--border-subtle); padding-top: 0.75rem;">
              <a
                href="/recovery"
                style="color: var(--text-secondary); font-size: 0.85rem; text-decoration: none; font-weight: 500;"
              >
                🔑 Lost device? Reconstruct account with Recovery Voucher
              </a>
            </div>
          </div>
        </details>

        <div class="links">
          Don't have an account? <a href="/register">Register with Invite</a> |
          {" "}
          <a href="/join">Join with PIN</a>
        </div>
      </div>

      <style>
        {`
          @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
          }
        `}
      </style>

      <script src="/public/auth-client.js?v=6"></script>
      <script
        dangerouslySetInnerHTML={{
          __html: `
          const btn = document.getElementById('loginBtn');
          const loader = document.getElementById('loadingIndicator');
          const status = document.getElementById('statusMessage');

          btn.addEventListener('click', async () => {
            loader.style.display = 'block';
            btn.disabled = true;
            status.textContent = '';
            status.className = '';

            try {
              const username = document.getElementById('loginUsername')?.value?.trim() || '';
              await startWebAuthnLogin(username);
            } catch (_e) {
              // handled in auth-client.js
            } finally {
              loader.style.display = 'none';
              btn.disabled = false;
            }
          });

          // Initialize WebAuthn Conditional UI (Autofill) if supported
          if (window.PublicKeyCredential && PublicKeyCredential.isConditionalMediationAvailable) {
            PublicKeyCredential.isConditionalMediationAvailable().then(available => {
              if (available) {
                console.log("[WebAuthn] Conditional mediation autofill available");
                startWebAuthnConditionalLogin();
              }
            }).catch(() => {});
          }
        `,
        }}
      >
      </script>
    </Layout>
  );
};