{% extends "layout.html" %}

{% block title %}TrueNAS Burn-In — Settings{% endblock %}

{% block content %}
<div class="page-toolbar">
  <h1 class="page-title">Settings</h1>
  <div class="toolbar-right">
    <button type="button" id="check-updates-btn" class="btn-secondary">Check for Updates</button>
    <span id="update-result" class="settings-test-result" style="display:none;margin-left:8px"></span>
    <a class="btn-export" href="/docs" target="_blank" rel="noopener" style="margin-left:8px">API Docs</a>
  </div>
</div>
<p class="page-subtitle">
  Changes take effect immediately. Settings marked
  <span class="badge-restart">restart required</span> are saved but need a container restart to fully apply.
</p>

<form id="settings-form" autocomplete="off">
  <div class="settings-two-col">

    <!-- LEFT: Email / SMTP + Webhook stacked -->
    <div class="settings-left-col">

      <div class="settings-card">
        <div class="settings-card-header">
          <span class="settings-card-title">Email (SMTP)</span>
          {% if smtp_enabled %}
          <span class="chip chip-passed" style="font-size:10px">Enabled</span>
          {% else %}
          <span class="chip chip-unknown" style="font-size:10px">Disabled — set Host to enable</span>
          {% endif %}
        </div>

        <!-- Compact horizontal field grid -->
        <div class="sf-fields">

          <!-- Test connection row — full width -->
          <div class="sf-full sf-row-test" style="margin-bottom:4px">
            <button type="button" id="test-smtp-btn" class="btn-secondary">Test Connection</button>
            <span id="smtp-test-result" class="settings-test-result" style="display:none"></span>
          </div>

          <label for="smtp_host">Host</label>
          <input class="sf-input" id="smtp_host" name="smtp_host" type="text"
                 value="{{ editable.smtp_host }}" placeholder="smtp.example.com">

          <label for="smtp_ssl_mode">Mode</label>
          <div class="sf-inline-group">
            <select class="sf-select" id="smtp_ssl_mode" name="smtp_ssl_mode">
              <option value="starttls" {% if editable.smtp_ssl_mode == 'starttls' %}selected{% endif %}>STARTTLS (587)</option>
              <option value="ssl"      {% if editable.smtp_ssl_mode == 'ssl'      %}selected{% endif %}>SSL / TLS (465)</option>
              <option value="plain"    {% if editable.smtp_ssl_mode == 'plain'    %}selected{% endif %}>Plain (25)</option>
            </select>
            <span class="sf-label-sm">Timeout</span>
            <input class="sf-input sf-input-xs" id="smtp_timeout" name="smtp_timeout"
                   type="number" min="5" max="300" value="{{ editable.smtp_timeout }}" style="width:52px">
          </div>

          <label for="smtp_user">Username</label>
          <input class="sf-input" id="smtp_user" name="smtp_user" type="text"
                 value="{{ editable.smtp_user }}" autocomplete="off">

          <label for="smtp_password">Password</label>
          <input class="sf-input" id="smtp_password" name="smtp_password" type="password"
                 placeholder="leave blank to keep existing" autocomplete="new-password">

          <label for="smtp_from">From</label>
          <input class="sf-input" id="smtp_from" name="smtp_from" type="text"
                 value="{{ editable.smtp_from }}" placeholder="burnin@example.com">

          <label for="smtp_to">To</label>
          <input class="sf-input" id="smtp_to" name="smtp_to" type="text"
                 value="{{ editable.smtp_to }}" placeholder="you@example.com">

        </div>
      </div>

      <!-- Webhook -->
      <div class="settings-card">
        <div class="settings-card-header">
          <span class="settings-card-title">Webhook</span>
        </div>
        <div class="sf-fields">
          <label for="webhook_url">URL</label>
          <div>
            <input class="sf-input" id="webhook_url" name="webhook_url" type="text"
                   value="{{ editable.webhook_url }}" placeholder="https://ntfy.sh/your-topic">
            <span class="sf-hint" style="margin-top:3px">POST JSON on burnin_passed / burnin_failed. ntfy.sh, Slack, Discord, n8n. Leave blank to disable.</span>
          </div>
        </div>
      </div>

      <!-- SSH -->
      <div class="settings-card">
        <div class="settings-card-header">
          <span class="settings-card-title">SSH (TrueNAS Direct)</span>
          {% if ssh_configured %}
          <span class="chip chip-passed" style="font-size:10px">Configured</span>
          {% else %}
          <span class="chip chip-unknown" style="font-size:10px">Not configured — using REST API / mock</span>
          {% endif %}
        </div>
        <p class="sf-hint" style="margin-bottom:8px">
          When configured, burn-in stages run smartctl and badblocks directly on TrueNAS over SSH,
          enabling SMART attribute monitoring and real bad-block detection. Leave Host empty to use
          the TrueNAS REST API (mock / dev mode).
        </p>
        <div class="sf-fields">

          <div class="sf-full sf-row-test" style="margin-bottom:4px">
            <button type="button" id="test-ssh-btn" class="btn-secondary">Test SSH Connection</button>
            <span id="ssh-test-result" class="settings-test-result" style="display:none"></span>
          </div>

          <label for="ssh_host">Host / IP</label>
          <input class="sf-input" id="ssh_host" name="ssh_host" type="text"
                 value="{{ editable.ssh_host }}" placeholder="10.0.0.x (same as TrueNAS IP)">

          <label for="ssh_port">Port</label>
          <input class="sf-input sf-input-xs" id="ssh_port" name="ssh_port"
                 type="number" min="1" max="65535" value="{{ editable.ssh_port }}" style="width:70px">

          <label for="ssh_user">Username</label>
          <input class="sf-input" id="ssh_user" name="ssh_user" type="text"
                 value="{{ editable.ssh_user }}" placeholder="root">

          <label for="ssh_password">Password</label>
          <input class="sf-input" id="ssh_password" name="ssh_password" type="password"
                 placeholder="leave blank to keep existing" autocomplete="new-password">

          <label for="ssh_key">Private Key</label>
          <div>
            <textarea class="sf-input sf-textarea" id="ssh_key" name="ssh_key"
                      rows="6" placeholder="Paste PEM private key here (-----BEGIN ... KEY-----). Leave blank to keep existing." autocomplete="off"></textarea>
            <span class="sf-hint" style="margin-top:3px">
              Either password or key auth. Key takes precedence if both are set.
              Key is stored securely in <code>/data/settings_overrides.json</code>.
            </span>
          </div>

        </div>
      </div>

    </div><!-- /left col -->

    <!-- RIGHT column: Notifications + Behavior -->
    <div class="settings-right-col">

      <!-- Notifications -->
      <div class="settings-card">
        <div class="settings-card-header">
          <span class="settings-card-title">Notifications</span>
        </div>

        <div class="sf-toggle-row">
          <div>
            <div class="sf-label">Daily Report</div>
            <div class="sf-hint">Full drive status email each day</div>
          </div>
          <label class="toggle">
            <input type="checkbox" name="smtp_daily_report_enabled" id="smtp_daily_report_enabled"
                   {% if editable.smtp_daily_report_enabled %}checked{% endif %}>
            <span class="toggle-slider"></span>
          </label>
        </div>

        <div class="sf-row sf-row-inline" id="report-hour-wrap"
             {% if not editable.smtp_daily_report_enabled %}style="opacity:.4;pointer-events:none"{% endif %}>
          <div>
            <label class="sf-label" for="smtp_report_hour">Report Hour (0–23 local)</label>
            <input class="sf-input sf-input-xs" id="smtp_report_hour" name="smtp_report_hour"
                   type="number" min="0" max="23" value="{{ editable.smtp_report_hour }}">
          </div>
        </div>

        <div class="sf-divider"></div>

        <div class="sf-toggle-row">
          <div>
            <div class="sf-label">Alert on Failure</div>
            <div class="sf-hint">Immediate email when a burn-in fails</div>
          </div>
          <label class="toggle">
            <input type="checkbox" name="smtp_alert_on_fail" id="smtp_alert_on_fail"
                   {% if editable.smtp_alert_on_fail %}checked{% endif %}>
            <span class="toggle-slider"></span>
          </label>
        </div>

        <div class="sf-toggle-row">
          <div>
            <div class="sf-label">Alert on Pass</div>
            <div class="sf-hint">Immediate email when a burn-in passes</div>
          </div>
          <label class="toggle">
            <input type="checkbox" name="smtp_alert_on_pass" id="smtp_alert_on_pass"
                   {% if editable.smtp_alert_on_pass %}checked{% endif %}>
            <span class="toggle-slider"></span>
          </label>
        </div>
      </div>

      <!-- Behavior -->
      <div class="settings-card">
        <div class="settings-card-header">
          <span class="settings-card-title">Burn-In Behavior</span>
        </div>

        <div class="sf-row">
          <label class="sf-label" for="max_parallel_burnins">Max Parallel Burn-Ins</label>
          <input class="sf-input sf-input-xs" id="max_parallel_burnins" name="max_parallel_burnins"
                 type="number" min="1" max="60" value="{{ editable.max_parallel_burnins }}">
          <span class="sf-hint">How many jobs can run at the same time</span>
        </div>
        <div id="parallel-warn" class="sf-inline-warn"
             {% if editable.max_parallel_burnins <= 8 %}style="display:none"{% endif %}>
          ⚠ Running many simultaneous surface scans may saturate your storage controller
          and produce unreliable results. Recommended: 2–4.
        </div>

        <div class="sf-row">
          <label class="sf-label" for="stuck_job_hours">Stuck Job Threshold (hours)</label>
          <input class="sf-input sf-input-xs" id="stuck_job_hours" name="stuck_job_hours"
                 type="number" min="1" max="168" value="{{ editable.stuck_job_hours }}">
          <span class="sf-hint">Jobs running longer than this → auto-marked unknown</span>
        </div>

        <div class="sf-divider"></div>

        <div class="sf-row">
          <label class="sf-label" for="temp_warn_c">Temp Warning (°C)</label>
          <input class="sf-input sf-input-xs" id="temp_warn_c" name="temp_warn_c"
                 type="number" min="20" max="80" value="{{ editable.temp_warn_c }}">
          <span class="sf-hint">Show orange above this temperature</span>
        </div>

        <div class="sf-row">
          <label class="sf-label" for="temp_crit_c">Temp Critical (°C)</label>
          <input class="sf-input sf-input-xs" id="temp_crit_c" name="temp_crit_c"
                 type="number" min="20" max="80" value="{{ editable.temp_crit_c }}">
          <span class="sf-hint">Show red + block burn-in start above this temperature</span>
        </div>

        <div class="sf-row">
          <label class="sf-label" for="bad_block_threshold">Bad Block Threshold</label>
          <input class="sf-input sf-input-xs" id="bad_block_threshold" name="bad_block_threshold"
                 type="number" min="0" max="9999" value="{{ editable.bad_block_threshold }}">
          <span class="sf-hint">Max bad blocks before surface validate fails (Stage 7)</span>
        </div>
      </div>

    </div><!-- /right col -->
  </div><!-- /two-col -->

  <!-- System settings (restart required) -->
  <div class="settings-card" style="margin-top:16px">
    <div class="settings-card-header">
      <span class="settings-card-title">System</span>
      <span class="badge-restart">restart required to apply</span>
    </div>
    <div class="settings-two-col" style="gap:16px">
      <div class="sf-fields">

        <label for="truenas_base_url">TrueNAS URL</label>
        <input class="sf-input" id="truenas_base_url" name="truenas_base_url" type="text"
               value="{{ editable.truenas_base_url }}" placeholder="http://10.0.0.x">

        <label for="truenas_api_key">API Key</label>
        <input class="sf-input" id="truenas_api_key" name="truenas_api_key" type="password"
               placeholder="leave blank to keep existing" autocomplete="new-password">

        <label for="truenas_verify_tls">Verify TLS</label>
        <label class="toggle" style="margin-top:2px">
          <input type="checkbox" id="truenas_verify_tls" name="truenas_verify_tls"
                 {% if editable.truenas_verify_tls %}checked{% endif %}>
          <span class="toggle-slider"></span>
        </label>

      </div>
      <div class="sf-fields">

        <label for="poll_interval_seconds">Poll Interval (s)</label>
        <input class="sf-input sf-input-xs" id="poll_interval_seconds" name="poll_interval_seconds"
               type="number" min="1" max="300" value="{{ editable.poll_interval_seconds }}">

        <label for="stale_threshold_seconds">Stale Threshold (s)</label>
        <input class="sf-input sf-input-xs" id="stale_threshold_seconds" name="stale_threshold_seconds"
               type="number" min="1" max="600" value="{{ editable.stale_threshold_seconds }}">

        <label for="log_level">Log Level</label>
        <select class="sf-select" id="log_level" name="log_level">
          {% for lvl in ['DEBUG','INFO','WARNING','ERROR','CRITICAL'] %}
          <option value="{{ lvl }}" {% if editable.log_level == lvl %}selected{% endif %}>{{ lvl }}</option>
          {% endfor %}
        </select>

        <label for="allowed_ips">IP Allowlist</label>
        <div>
          <input class="sf-input" id="allowed_ips" name="allowed_ips" type="text"
                 value="{{ editable.allowed_ips }}" placeholder="10.0.0.0/24,127.0.0.1 (empty = allow all)">
          <span class="sf-hint" style="margin-top:3px">Comma-separated IPs/CIDRs. Empty = allow all.</span>
        </div>

      </div>
    </div>
  </div>

  <!-- Save row -->
  <div class="settings-save-bar">
    <button type="submit" class="btn-primary" id="save-btn">Save Settings</button>
    <button type="button" class="btn-secondary" id="cancel-settings-btn">Cancel</button>
    <span id="save-result" class="settings-test-result" style="display:none"></span>
  </div>
</form>

<script>
(function () {
  // Dim report-hour when daily report disabled
  var dailyCb = document.getElementById('smtp_daily_report_enabled');
  var hourWrap = document.getElementById('report-hour-wrap');
  if (dailyCb && hourWrap) {
    dailyCb.addEventListener('change', function () {
      hourWrap.style.opacity = dailyCb.checked ? '' : '0.4';
      hourWrap.style.pointerEvents = dailyCb.checked ? '' : 'none';
    });
  }

  function showResult(el, ok, msg) {
    el.style.display = 'inline-flex';
    el.className = 'settings-test-result ' + (ok ? 'result-ok' : 'result-err');
    el.textContent = (ok ? '✓ ' : '✕ ') + msg;
  }

  function collectForm() {
    var form = document.getElementById('settings-form');
    var data = {};
    for (var i = 0; i < form.elements.length; i++) {
      var el = form.elements[i];
      if (!el.name || el.type === 'submit' || el.type === 'button') continue;
      data[el.name] = el.type === 'checkbox' ? el.checked : el.value;
    }
    return data;
  }

  // Save
  var form = document.getElementById('settings-form');
  var saveBtn = document.getElementById('save-btn');
  var saveResult = document.getElementById('save-result');
  form.addEventListener('submit', async function (e) {
    e.preventDefault();
    saveBtn.disabled = true;
    saveBtn.textContent = 'Saving…';
    saveResult.style.display = 'none';
    try {
      var resp = await fetch('/api/v1/settings', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(collectForm()),
      });
      var data = await resp.json();
      if (resp.ok) {
        // Show restart notice if any system settings were saved
        var systemFields = ['truenas_base_url','truenas_api_key','truenas_verify_tls',
                            'poll_interval_seconds','stale_threshold_seconds','allowed_ips','log_level'];
        var savedKeys = data.keys || [];
        var needsRestart = savedKeys.some(function(k) { return systemFields.indexOf(k) >= 0; });
        showResult(saveResult, true, needsRestart ? 'Saved — restart container to apply system changes' : 'Saved');
      } else {
        showResult(saveResult, false, data.detail || 'Save failed');
      }
    } catch (e) {
      showResult(saveResult, false, 'Network error');
    } finally {
      saveBtn.disabled = false;
      saveBtn.textContent = 'Save Settings';
    }
  });

  // Cancel — reload page to restore saved values
  var cancelBtn = document.getElementById('cancel-settings-btn');
  if (cancelBtn) {
    cancelBtn.addEventListener('click', function () {
      window.location.reload();
    });
  }

  // Test SMTP
  var testBtn = document.getElementById('test-smtp-btn');
  var testResult = document.getElementById('smtp-test-result');
  testBtn.addEventListener('click', async function () {
    testBtn.disabled = true;
    testBtn.textContent = 'Testing…';
    testResult.style.display = 'none';
    try {
      var resp = await fetch('/api/v1/settings/test-smtp', { method: 'POST' });
      var data = await resp.json();
      showResult(testResult, resp.ok, resp.ok ? 'Connection OK' : (data.detail || 'Failed'));
    } catch (e) {
      showResult(testResult, false, 'Network error');
    } finally {
      testBtn.disabled = false;
      testBtn.textContent = 'Test Connection';
    }
  });

  // Parallel burn-in warning
  var parallelInput = document.getElementById('max_parallel_burnins');
  var parallelWarn  = document.getElementById('parallel-warn');
  if (parallelInput && parallelWarn) {
    parallelInput.addEventListener('input', function () {
      parallelWarn.style.display = parseInt(parallelInput.value, 10) > 8 ? '' : 'none';
    });
  }

  // Test SSH
  var sshBtn    = document.getElementById('test-ssh-btn');
  var sshResult = document.getElementById('ssh-test-result');
  if (sshBtn) {
    sshBtn.addEventListener('click', async function () {
      sshBtn.disabled = true;
      sshBtn.textContent = 'Testing…';
      sshResult.style.display = 'none';
      try {
        var resp = await fetch('/api/v1/settings/test-ssh', { method: 'POST' });
        var data = await resp.json();
        showResult(sshResult, resp.ok, resp.ok ? 'Connection OK' : (data.detail || 'Failed'));
      } catch (e) {
        showResult(sshResult, false, 'Network error');
      } finally {
        sshBtn.disabled = false;
        sshBtn.textContent = 'Test SSH Connection';
      }
    });
  }

  // Check for Updates
  var updBtn = document.getElementById('check-updates-btn');
  var updResult = document.getElementById('update-result');
  updBtn.addEventListener('click', async function () {
    updBtn.disabled = true;
    updBtn.textContent = 'Checking…';
    updResult.style.display = 'none';
    try {
      var resp = await fetch('/api/v1/updates/check');
      var data = await resp.json();
      if (data.update_available) {
        showResult(updResult, false, 'Update available: v' + data.latest + ' (current: v' + data.current + ')');
      } else if (data.latest) {
        showResult(updResult, true, 'Up to date (v' + data.current + ')');
      } else {
        var msg = data.message || ('v' + data.current + ' — no releases found');
        showResult(updResult, true, msg);
      }
    } catch (e) {
      showResult(updResult, false, 'Network error');
    } finally {
      updBtn.disabled = false;
      updBtn.textContent = 'Check for Updates';
    }
  });
}());
</script>
{% endblock %}