{% extends "base.html" %}
{% set active_page = 'settings' %}
{% block title %}System Settings — vSphere Backup Manager{% endblock %}

{% block head %}
<style>
  .settings-wrap { max-width: 800px; margin: 0 auto; }
  
  .section-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
    backdrop-filter: blur(8px);
    transition: border-color 0.25s ease;
  }
  .section-card.enabled {
    border-color: rgba(99, 102, 241, 0.4);
  }
  .section-card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,0.01);
    display: flex; align-items: center; gap: 12px;
    font-size: 15px; font-weight: 700;
    letter-spacing: -0.01em;
  }
  .section-card-body { padding: 24px; }

  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
  }
  @media (max-width: 600px) {
    .form-row { grid-template-columns: 1fr; }
  }

  .form-group {
    margin-bottom: 16px;
  }
  .form-group:last-child {
    margin-bottom: 0;
  }

  .form-check {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
  }
  .form-check label {
    cursor: pointer;
    user-select: none;
  }

  .settings-toggle-area {
    transition: opacity 0.25s ease, max-height 0.25s ease;
    overflow: hidden;
  }
  .settings-toggle-area.collapsed {
    max-height: 0;
    opacity: 0;
    pointer-events: none;
    margin-top: 0;
  }
  .settings-toggle-area.expanded {
    max-height: 1000px;
    opacity: 1;
    margin-top: 20px;
  }

  .action-bar {
    display: flex;
    gap: 14px;
    align-items: center;
    padding: 16px 0 32px;
    border-top: 1px solid var(--border);
    margin-top: 8px;
  }

  .banner-tip {
    padding: 14px 18px;
    background: rgba(6,182,212,0.06);
    border: 1px solid rgba(6,182,212,0.18);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
  }
  .banner-tip svg {
    color: var(--accent-2);
    flex-shrink: 0;
    margin-top: 2px;
  }
</style>
{% endblock %}

{% block content %}
<div class="topbar">
  <div>
    <div class="topbar-title">Global Settings</div>
    <div class="topbar-subtitle">Configure SMTP connection details, Webhook channels, and Log retention policies</div>
  </div>
</div>

<div class="content">
  <div class="settings-wrap">
    
    <div class="banner-tip">
      <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><line x1="12" y1="16" x2="12" y2="12"/><line x1="12" y1="8" x2="12.01" y2="8"/></svg>
      <div>
        <strong>Diagnostic Connection Testing:</strong> You can click the **"Send Test Notification"** button at the bottom of the page to verify your credentials synchronously. It tests whatever inputs are typed in the form, without requiring you to save them first.
      </div>
    </div>

    <form method="post" action="{{ url_for('settings_page') }}" id="settingsForm">

      <!-- SMTP Section -->
      <div class="section-card {% if settings.smtp_enabled %}enabled{% endif %}" id="smtpCard">
        <div class="section-card-header">
          <span style="font-size:18px;">📧</span> SMTP Email Configuration
        </div>
        <div class="section-card-body">
          <div class="form-check">
            <input type="checkbox" id="smtp_enabled" name="smtp_enabled" {% if settings.smtp_enabled %}checked{% endif %} onchange="toggleSmtp(this.checked)" />
            <label for="smtp_enabled" style="font-weight:600; font-size:14.5px;">Enable SMTP Email Notifications</label>
          </div>
          
          <div class="settings-toggle-area {% if settings.smtp_enabled %}expanded{% else %}collapsed{% endif %}" id="smtpFields">
            <!-- Mail Service Selector -->
            <div class="form-row">
              <div class="form-group" style="grid-column: span 2;">
                <label class="form-label" for="smtp_mail_service">Mail Service</label>
                <select id="smtp_mail_service" name="smtp_mail_service" class="form-control" onchange="toggleMailService(this.value)">
                  <option value="smtp" {% if settings.smtp_mail_service != 'sendmail' %}selected{% endif %}>SMTP — Connect to remote mail server (recommended for most setups)</option>
                  <option value="sendmail" {% if settings.smtp_mail_service == 'sendmail' %}selected{% endif %}>Sendmail / Local MTA — Use /usr/sbin/sendmail binary on this server</option>
                </select>
              </div>
            </div>

            <!-- SMTP-specific fields -->
            <div id="smtpSpecificFields" style="{% if settings.smtp_mail_service == 'sendmail' %}display:none{% endif %}">
              <div class="form-row">
                <div class="form-group">
                  <label class="form-label" for="smtp_host">SMTP Server Host</label>
                  <input type="text" id="smtp_host" name="smtp_host" class="form-control" placeholder="e.g. mail.pens.ac.id" value="{{ settings.smtp_host }}" />
                </div>
                <div class="form-group">
                  <label class="form-label" for="smtp_port">SMTP Port</label>
                  <input type="text" id="smtp_port" name="smtp_port" class="form-control" placeholder="e.g. 25, 587, or 465" value="{{ settings.smtp_port }}" />
                </div>
              </div>
              <div class="form-row">
                <div class="form-group" style="grid-column: span 2;">
                  <label class="form-label" for="smtp_encryption">Connection Security</label>
                  <select id="smtp_encryption" name="smtp_encryption" class="form-control">
                    <option value="none" {% if settings.smtp_encryption == 'none' %}selected{% endif %}>None (Plain text SMTP relay — common for internal Port 25)</option>
                    <option value="starttls" {% if settings.smtp_encryption == 'starttls' %}selected{% endif %}>STARTTLS (Secure TLS upgrade — common for Port 587)</option>
                    <option value="ssl" {% if settings.smtp_encryption == 'ssl' %}selected{% endif %}>SSL / TLS (Direct secure handshake — common for Port 465)</option>
                  </select>
                </div>
              </div>
              <div class="form-row">
                <div class="form-group">
                  <label class="form-label" for="smtp_user">SMTP Username (Optional)</label>
                  <input type="text" id="smtp_user" name="smtp_user" class="form-control" placeholder="e.g. admin@company.com" value="{{ settings.smtp_user }}" autocomplete="off" />
                </div>
                <div class="form-group">
                  <label class="form-label" for="smtp_password">SMTP Password (Optional)</label>
                  <input type="password" id="smtp_password" name="smtp_password" class="form-control" placeholder="••••••••" value="{{ settings.smtp_password }}" autocomplete="new-password" />
                </div>
              </div>
            </div>

            <!-- Sendmail-specific fields -->
            <div id="sendmailSpecificFields" style="{% if settings.smtp_mail_service != 'sendmail' %}display:none{% endif %}">
              <div class="form-row">
                <div class="form-group" style="grid-column: span 2;">
                  <label class="form-label" for="sendmail_path">Sendmail Binary Path</label>
                  <input type="text" id="sendmail_path" name="sendmail_path" class="form-control" placeholder="/usr/sbin/sendmail" value="{{ settings.sendmail_path or '/usr/sbin/sendmail' }}" />
                  <div style="margin-top:6px; font-size:12px; color: var(--text-muted);">
                    Path to the sendmail binary on this server. This bypasses SMTP authentication — the local MTA handles routing.
                    Common paths: <code>/usr/sbin/sendmail</code>, <code>/usr/bin/sendmail</code>
                  </div>
                </div>
              </div>
            </div>

            <!-- Common: Sender + Recipient (shared by both methods) -->
            <div class="form-row">
              <div class="form-group">
                <label class="form-label" for="smtp_sender">From Email Address</label>
                <input type="email" id="smtp_sender" name="smtp_sender" class="form-control" placeholder="e.g. admin@pens.ac.id" value="{{ settings.smtp_sender }}" />
              </div>
              <div class="form-group">
                <label class="form-label" for="smtp_recipient">Recipient Email Address</label>
                <input type="email" id="smtp_recipient" name="smtp_recipient" class="form-control" placeholder="e.g. rizqi@staff.pens.ac.id" value="{{ settings.smtp_recipient }}" />
              </div>
            </div>
          </div>

        </div>
      </div>

      <!-- Webhook Section -->
      <div class="section-card {% if settings.webhook_enabled %}enabled{% endif %}" id="webhookCard">
        <div class="section-card-header">
          <span style="font-size:18px;">🔗</span> Webhook Alert Configuration
        </div>
        <div class="section-card-body">
          <div class="form-check">
            <input type="checkbox" id="webhook_enabled" name="webhook_enabled" {% if settings.webhook_enabled %}checked{% endif %} onchange="toggleWebhook(this.checked)" />
            <label for="webhook_enabled" style="font-weight:600; font-size:14.5px;">Enable Webhook Notifications</label>
          </div>
          
          <div class="settings-toggle-area {% if settings.webhook_enabled %}expanded{% else %}collapsed{% endif %}" id="webhookFields">
            <div class="form-group">
              <label class="form-label" for="webhook_url">Webhook Destination URL</label>
              <input type="url" id="webhook_url" name="webhook_url" class="form-control" placeholder="e.g. https://discord.com/api/webhooks/... or https://hooks.slack.com/services/..." value="{{ settings.webhook_url }}" />
            </div>
            
            <div class="form-group">
              <label class="form-label" for="webhook_type">Webhook Payload Format</label>
              <select id="webhook_type" name="webhook_type" class="form-control">
                <option value="slack_discord" {% if settings.webhook_type == 'slack_discord' %}selected{% endif %}>Slack & Discord Format (Rich Embeds / Color Bars)</option>
                <option value="raw_json" {% if settings.webhook_type == 'raw_json' %}selected{% endif %}>Raw JSON Payload (Full backup runs telemetry data)</option>
              </select>
            </div>
          </div>
        </div>
      </div>

      <!-- Notification Rules & Log Retention -->
      <div class="section-card">
        <div class="section-card-header">
          <span style="font-size:18px;">⚙️</span> Global Notification & Retention Rules
        </div>
        <div class="section-card-body">
          <div class="form-row">
            <div class="form-group">
              <label class="form-label" for="alert_level">Alert Trigger Threshold</label>
              <select id="alert_level" name="alert_level" class="form-control">
                <option value="all" {% if settings.alert_level == 'all' %}selected{% endif %}>Notify on All Completed Runs (Success and Failures)</option>
                <option value="failed" {% if settings.alert_level == 'failed' %}selected{% endif %}>Notify on Failures / Errors Only</option>
              </select>
            </div>
            
            <div class="form-group">
              <label class="form-label" for="log_retention_days">Run History Retention Policy</label>
              <select id="log_retention_days" name="log_retention_days" class="form-control">
                <option value="never" {% if settings.log_retention_days == 'never' %}selected{% endif %}>Never delete (Keep full logs history)</option>
                <option value="30" {% if settings.log_retention_days == '30' %}selected{% endif %}>Keep logs for 30 Days</option>
                <option value="90" {% if settings.log_retention_days == '90' %}selected{% endif %}>Keep logs for 90 Days</option>
                <option value="180" {% if settings.log_retention_days == '180' %}selected{% endif %}>Keep logs for 180 Days</option>
                <option value="365" {% if settings.log_retention_days == '365' %}selected{% endif %}>Keep logs for 1 Year (365 Days)</option>
              </select>
            </div>
          </div>
        </div>
      </div>

      <!-- Action buttons -->
      <div class="action-bar">
        <button type="submit" class="btn btn-primary">
          💾 Save Settings
        </button>
        <button type="submit" formaction="{{ url_for('settings_test_notification') }}" class="btn btn-secondary" id="testAlertBtn">
          🔔 Send Test Notification
        </button>
      </div>

    </form>
  </div>
</div>
{% endblock %}

{% block scripts %}
<script>
  function toggleMailService(value) {
    const smtpFields = document.getElementById('smtpSpecificFields');
    const sendmailFields = document.getElementById('sendmailSpecificFields');
    if (value === 'sendmail') {
      smtpFields.style.display = 'none';
      sendmailFields.style.display = 'block';
    } else {
      smtpFields.style.display = 'block';
      sendmailFields.style.display = 'none';
    }
  }

  function toggleSmtp(checked) {
    const fields = document.getElementById('smtpFields');
    const card = document.getElementById('smtpCard');
    if (checked) {
      fields.classList.remove('collapsed');
      fields.classList.add('expanded');
      card.classList.add('enabled');
    } else {
      fields.classList.remove('expanded');
      fields.classList.add('collapsed');
      card.classList.remove('enabled');
    }
  }

  function toggleWebhook(checked) {
    const fields = document.getElementById('webhookFields');
    const card = document.getElementById('webhookCard');
    if (checked) {
      fields.classList.remove('collapsed');
      fields.classList.add('expanded');
      card.classList.add('enabled');
    } else {
      fields.classList.remove('expanded');
      fields.classList.add('collapsed');
      card.classList.remove('enabled');
    }
  }

  document.getElementById('settingsForm').addEventListener('submit', function(e) {
    const btn = document.activeElement;
    if (btn && btn.id === 'testAlertBtn') {
      btn.textContent = 'Sending Diagnostic...';
    }
  });
</script>
{% endblock %}