{# steward/templates/settings/auth.html #}
{% extends "base.html" %}
{% from "_macros.html" import crumbs %}
{% block title %}Settings — Auth — Steward{% endblock %}
{% from "settings/_tabs.html" import settings_tabs %}
{% block section_tabs %}{{ settings_tabs("auth") }}{% endblock %}
{% block breadcrumb %}{{ crumbs([("Settings", "/settings/"), ("Authentication", "")]) }}{% endblock %}
{% block content %}

<form method="post" action="/settings/auth/">{{ csrf_field() }}
<div style="display:grid;gap:1.25rem;max-width:640px;">

  {# ── OIDC ─────────────────────────────────────────────────────────────────── #}
  <div class="card">
    <h2 class="section-title" style="margin-bottom:1.25rem;">OIDC / SSO</h2>
    <p style="font-size:0.82rem;color:var(--text-muted);margin-bottom:1rem;">
      Supports any OIDC provider — Authentik, Keycloak, Authelia, etc. Uses Authorization Code flow.
      Local admin login always works regardless of OIDC status.
    </p>

    <div class="form-group" style="display:flex;align-items:center;gap:0.75rem;">
      <input type="checkbox" name="oidc.enabled" id="oidc-enabled"
             {% if settings['oidc.enabled'] %}checked{% endif %}>
      <label for="oidc-enabled" style="margin:0;">Enable OIDC login</label>
    </div>

    <div class="form-group">
      <label>Discovery URL</label>
      <input type="text" name="oidc.discovery_url" value="{{ settings['oidc.discovery_url'] }}"
             placeholder="https://auth.example.com/application/o/steward/.well-known/openid-configuration">
      <p style="font-size:0.75rem;color:var(--text-muted);margin-top:0.2rem;">
        Authentik: <code>https://&lt;host&gt;/application/o/&lt;slug&gt;/.well-known/openid-configuration</code>
      </p>
    </div>

    <div style="display:grid;grid-template-columns:1fr 1fr;gap:1rem;">
      <div class="form-group">
        <label>Client ID</label>
        <input type="text" name="oidc.client_id" value="{{ settings['oidc.client_id'] }}"
               autocomplete="off">
      </div>
      <div class="form-group">
        <label>Client Secret <span style="color:var(--text-dim);font-size:0.8rem;">(blank = keep current)</span></label>
        <input type="password" name="oidc.client_secret" placeholder="••••••••"
               autocomplete="new-password">
      </div>
    </div>

    <div class="form-group">
      <label>Scopes</label>
      <input type="text" name="oidc.scopes" value="{{ settings['oidc.scopes'] }}"
             placeholder="openid profile email">
    </div>

    <div style="display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem;">
      <div class="form-group">
        <label>Username claim</label>
        <input type="text" name="oidc.username_claim" value="{{ settings['oidc.username_claim'] }}"
               placeholder="preferred_username">
      </div>
      <div class="form-group">
        <label>Email claim</label>
        <input type="text" name="oidc.email_claim" value="{{ settings['oidc.email_claim'] }}"
               placeholder="email">
      </div>
      <div class="form-group">
        <label>Groups claim</label>
        <input type="text" name="oidc.groups_claim" value="{{ settings['oidc.groups_claim'] }}"
               placeholder="groups">
      </div>
    </div>

    <div style="display:grid;grid-template-columns:1fr 1fr;gap:1rem;">
      <div class="form-group">
        <label>Admin group name</label>
        <input type="text" name="oidc.admin_group" value="{{ settings['oidc.admin_group'] }}"
               placeholder="steward-admins">
        <p style="font-size:0.75rem;color:var(--text-muted);margin-top:0.2rem;">Members → admin role</p>
      </div>
      <div class="form-group">
        <label>Operator group name</label>
        <input type="text" name="oidc.operator_group" value="{{ settings['oidc.operator_group'] }}"
               placeholder="steward-operators">
        <p style="font-size:0.75rem;color:var(--text-muted);margin-top:0.2rem;">Members → operator role; others → viewer</p>
      </div>
    </div>
  </div>

  {# ── LDAP ─────────────────────────────────────────────────────────────────── #}
  <div class="card">
    <h2 class="section-title" style="margin-bottom:1.25rem;">LDAP</h2>
    <p style="font-size:0.82rem;color:var(--text-muted);margin-bottom:1rem;">
      Binds user credentials against an LDAP/AD directory. Requires the
      <code>ldap3</code> Python package (<code>pip install ldap3</code>).
      If both LDAP and OIDC are enabled, the login form tries LDAP; OIDC uses the SSO button.
    </p>

    <div class="form-group" style="display:flex;align-items:center;gap:0.75rem;">
      <input type="checkbox" name="ldap.enabled" id="ldap-enabled"
             {% if settings['ldap.enabled'] %}checked{% endif %}>
      <label for="ldap-enabled" style="margin:0;">Enable LDAP login</label>
    </div>

    <div style="display:grid;grid-template-columns:1fr auto auto;gap:1rem;align-items:end;">
      <div class="form-group">
        <label>LDAP host</label>
        <input type="text" name="ldap.host" value="{{ settings['ldap.host'] }}"
               placeholder="ldap.example.com">
      </div>
      <div class="form-group">
        <label>Port</label>
        <input type="number" name="ldap.port" value="{{ settings['ldap.port'] }}" style="width:80px;">
      </div>
      <div class="form-group" style="display:flex;align-items:center;gap:0.5rem;padding-bottom:0.1rem;">
        <input type="checkbox" name="ldap.tls" id="ldap-tls"
               {% if settings['ldap.tls'] %}checked{% endif %}>
        <label for="ldap-tls" style="margin:0;white-space:nowrap;">StartTLS</label>
      </div>
    </div>
    <p style="font-size:0.75rem;color:var(--text-muted);margin:-0.4rem 0 1rem;">Port 636 connects with LDAPS; any other port with StartTLS ticked
      upgrades the connection before any password is sent. Without either, passwords cross
      the network in the clear. The server's certificate is checked.</p>

    <div class="form-group">
      <label>CA certificate (PEM, optional)</label>
      <textarea name="ldap.ca_cert" rows="4" placeholder="-----BEGIN CERTIFICATE-----"
                style="font-family:monospace;font-size:0.8rem;">{{ settings['ldap.ca_cert'] }}</textarea>
      <p style="font-size:0.75rem;color:var(--text-muted);margin-top:0.2rem;">The certificate
        authority that signed the directory's certificate, when it is not one the system already
        trusts (a private or self-signed CA).</p>
    </div>

    <div class="form-group">
      <label>Service account bind DN</label>
      <input type="text" name="ldap.bind_dn" value="{{ settings['ldap.bind_dn'] }}"
             placeholder="cn=svc-steward,ou=service,dc=example,dc=com">
    </div>
    <div class="form-group">
      <label>Bind password <span style="color:var(--text-dim);font-size:0.8rem;">(blank = keep current)</span></label>
      <input type="password" name="ldap.bind_password" placeholder="••••••••"
             autocomplete="new-password">
    </div>
    <div class="form-group">
      <label>Base DN</label>
      <input type="text" name="ldap.base_dn" value="{{ settings['ldap.base_dn'] }}"
             placeholder="ou=users,dc=example,dc=com">
    </div>
    <div class="form-group">
      <label>User search filter</label>
      <input type="text" name="ldap.user_filter" value="{{ settings['ldap.user_filter'] }}"
             placeholder="(uid={username})">
      <p style="font-size:0.75rem;color:var(--text-muted);margin-top:0.2rem;">
        <code>{username}</code> is replaced with the login username. AD example: <code>(sAMAccountName={username})</code>
      </p>
    </div>

    <div style="display:grid;grid-template-columns:1fr 1fr;gap:1rem;">
      <div class="form-group">
        <label>Admin group DN</label>
        <input type="text" name="ldap.admin_group_dn" value="{{ settings['ldap.admin_group_dn'] }}"
               placeholder="cn=steward-admins,ou=groups,dc=example,dc=com">
      </div>
      <div class="form-group">
        <label>Operator group DN</label>
        <input type="text" name="ldap.operator_group_dn" value="{{ settings['ldap.operator_group_dn'] }}"
               placeholder="cn=steward-operators,ou=groups,dc=example,dc=com">
      </div>
    </div>

    <div style="display:grid;grid-template-columns:1fr 1fr;gap:1rem;">
      <div class="form-group">
        <label>Username attribute</label>
        <input type="text" name="ldap.attr_username" value="{{ settings['ldap.attr_username'] }}"
               placeholder="uid">
      </div>
      <div class="form-group">
        <label>Email attribute</label>
        <input type="text" name="ldap.attr_email" value="{{ settings['ldap.attr_email'] }}"
               placeholder="mail">
      </div>
    </div>
  </div>

</div>
<div style="margin-top:1.25rem;">
  <button type="submit" class="btn">Save</button>
  <span style="color:var(--text-muted);font-size:0.82rem;margin-left:1rem;">
    Changes take effect immediately.
  </span>
</div>
</form>
{% endblock %}