{{define "alarms"}}
<div class="card">
  <form method="get" action="/alarms" style="display:flex;gap:8px;align-items:center;margin-bottom:12px;justify-content:space-between;flex-wrap:wrap">
    <span style="display:flex;gap:8px;align-items:center;flex-wrap:wrap">
    <input type="date" name="from" value="{{.SelectedFrom}}" style="width:130px;font-size:12px">
    <span class="muted small">至</span>
    <input type="date" name="to" value="{{.SelectedTo}}" style="width:130px;font-size:12px">
    {{if .AlarmFilterDevices}}
    <select name="device" onchange="this.form.submit()" style="font-size:11px;padding:2px 4px;width:130px;flex-shrink:0">
      <option value="">全部设备</option>
      {{range .AlarmFilterDevices}}
      <option value="{{.}}" {{if eq . $.SelectedAlarmDevice}}selected{{end}}>{{shortID .}}</option>
      {{end}}
    </select>
    {{end}}
    {{if .AlarmFilterRuleTypes}}
    <select name="rule_type" onchange="this.form.submit()" style="font-size:11px;padding:2px 4px;width:120px;flex-shrink:0">
      <option value="">全部类型</option>
      {{range .AlarmFilterRuleTypes}}
      <option value="{{.}}" {{if eq . $.SelectedAlarmRuleType}}selected{{end}}>{{ruleLabel .}}</option>
      {{end}}
    </select>
    {{end}}
    <button class="btn" style="font-size:12px;padding:4px 12px">筛选</button>
    <a href="/alarms" class="btn ghost" style="font-size:11px">今天</a>
    <a href="/alarms?from={{.WeekStart}}&to={{.WeekEnd}}" class="btn ghost" style="font-size:11px">本周</a>
    <a href="/alarms?from={{.MonthStart}}&to={{.MonthEnd}}" class="btn ghost" style="font-size:11px">本月</a>
    <a href="/alarms?from=2020-01-01&to={{.SelectedTo}}" class="btn ghost" style="font-size:11px">全部</a>
    {{if .AlarmRecords}}
    <a class="btn ghost js-export-csv" style="font-size:11px;margin-left:8px">导出 CSV</a>
    {{end}}
    </span>
    <select name="per_page" onchange="this.form.submit()" style="font-size:11px;padding:2px 4px;width:90px;flex-shrink:0">
      <option value="10" {{if eq .PerPage 10}}selected{{end}}>10条/页</option>
      <option value="20" {{if eq .PerPage 20}}selected{{end}}>20条/页</option>
      <option value="50" {{if eq .PerPage 50}}selected{{end}}>50条/页</option>
      <option value="100" {{if eq .PerPage 100}}selected{{end}}>100条/页</option>
    </select>
  </form>

  <div class="table-wrap">
    {{if .AlarmRecords}}
    <table>
      <thead>
        <tr>
          <th>时间</th>
          <th>设备</th>
          <th>通道</th>
          <th>规则</th>
          <th>目标</th>
          <th>置信度</th>
          <th>等级</th>
          <th>状态</th>
          <th>操作</th>
        </tr>
      </thead>
      <tbody>
        {{range .AlarmRecords}}
        <tr id="alarm-{{.ID}}">
          <td class="mono small">{{.Timestamp}}</td>
          <td>
            <a href="/devices/{{.DeviceID}}">{{shortID .DeviceID}}</a>
          </td>
          <td>{{.Channel}}</td>
          <td>
            <span class="pill warn">{{ruleLabel .RuleName}}</span>
          </td>
          <td>{{if .ObjectLabel}}{{.ObjectLabel}}{{else}}-{{end}}</td>
          <td>{{if .Confidence}}{{printf "%.2f" .Confidence}}{{else}}-{{end}}</td>
          <td>
            <span class="pill {{severityClass .Severity}}">{{severityLabel .Severity}}</span>
          </td>
          <td>
            <span class="pill {{statusClass .Status}}">{{statusLabel .Status}}</span>
          </td>
          <td>
            <span style="display:flex;gap:4px;align-items:center;flex-wrap:wrap">
            <button class="btn ghost" style="font-size:10px;padding:2px 6px;min-height:22px" data-alarm-action="acknowledge" data-alarm-id="{{.ID}}">确认</button>
            <button class="btn ghost" style="font-size:10px;padding:2px 6px;min-height:22px" data-alarm-action="resolve" data-alarm-id="{{.ID}}">关闭</button>
            <select style="font-size:10px;padding:1px 2px;width:70px;min-height:22px" data-alarm-action="severity" data-alarm-id="{{.ID}}" data-current="{{.Severity}}">
              <option value="info" {{if eq .Severity "info"}}selected{{end}}>信息</option>
              <option value="warning" {{if eq .Severity "warning"}}selected{{end}}>警告</option>
              <option value="critical" {{if eq .Severity "critical"}}selected{{end}}>严重</option>
            </select>
            {{if .SnapshotURL}}
            <a href="{{.SnapshotURL}}" target="_blank" class="btn ghost" style="font-size:10px;padding:2px 6px;min-height:22px">截图</a>
            {{end}}
            {{if .ClipURL}}
            <a href="{{.ClipURL}}" target="_blank" class="btn ghost" style="font-size:10px;padding:2px 6px;min-height:22px">视频</a>
            {{end}}
            </span>
          </td>
        </tr>
        {{end}}
      </tbody>
    </table>
    {{if gt .TotalAlarmPages 1}}
    <div style="margin-top:12px;display:flex;gap:4px;align-items:center">
      <span class="muted small" style="margin-right:8px">{{.TotalAlarmCount}} 条，{{.TotalAlarmPages}} 页</span>
      {{$from := $.SelectedFrom}}{{$to := $.SelectedTo}}{{$pp := $.PerPage}}{{$dev := $.SelectedAlarmDevice}}{{$rt := $.SelectedAlarmRuleType}}
      {{if gt .CurrentPage 1}}
      <a href="/alarms?from={{$from}}&to={{$to}}&per_page={{$pp}}&device={{$dev}}&rule_type={{$rt}}" class="btn ghost" style="font-size:11px;padding:2px 6px">«</a>
      <a href="/alarms?from={{$from}}&to={{$to}}&per_page={{$pp}}&page={{sub .CurrentPage 1}}&device={{$dev}}&rule_type={{$rt}}" class="btn ghost" style="font-size:11px;padding:2px 6px">‹</a>
      {{end}}
      {{range .PageNumbers}}
      {{if eq . -1}}
      <span class="muted small" style="padding:2px 4px">…</span>
      {{else}}
      <a href="/alarms?from={{$from}}&to={{$to}}&per_page={{$pp}}&page={{.}}&device={{$dev}}&rule_type={{$rt}}" class="btn {{if eq . $.CurrentPage}}primary{{else}}ghost{{end}}" style="font-size:11px;padding:2px 8px">{{.}}</a>
      {{end}}
      {{end}}
      {{if lt .CurrentPage .TotalAlarmPages}}
      <a href="/alarms?from={{$from}}&to={{$to}}&per_page={{$pp}}&page={{add .CurrentPage 1}}&device={{$dev}}&rule_type={{$rt}}" class="btn ghost" style="font-size:11px;padding:2px 6px">›</a>
      <a href="/alarms?from={{$from}}&to={{$to}}&per_page={{$pp}}&page={{.TotalAlarmPages}}&device={{$dev}}&rule_type={{$rt}}" class="btn ghost" style="font-size:11px;padding:2px 6px">»</a>
      {{end}}
    </div>
    {{end}}
    {{else}}
    <div class="empty-state">
      <div class="empty-title">暂无告警记录</div>
      <div class="muted">所选日期范围内没有告警记录。</div>
    </div>
    {{end}}
  </div>
</div>

<script>
(function(){
  function postAlarmAction(id, action, body) {
    var xhr = new XMLHttpRequest();
    xhr.open("POST", "/alarms/" + id + "/" + action);
    xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    xhr.onload = function() {
      if (xhr.status === 204) {
        window.location.reload();
      }
    };
    xhr.send(body || "");
  }
  document.querySelectorAll("[data-alarm-action]").forEach(function(el) {
    var action = el.getAttribute("data-alarm-action");
    var id = el.getAttribute("data-alarm-id");
    if (action === "acknowledge" || action === "resolve") {
      el.addEventListener("click", function() {
        postAlarmAction(id, action);
      });
    } else if (action === "severity") {
      el.addEventListener("change", function() {
        postAlarmAction(id, "severity", "severity=" + encodeURIComponent(el.value));
      });
    }
  });
})();
</script>

<script>
(function(){
  var exportBtn = document.querySelector(".js-export-csv");
  if (exportBtn) {
    exportBtn.addEventListener("click", function(){
      var params = new URLSearchParams(window.location.search);
      var exportParams = new URLSearchParams();
      if (params.get("from")) exportParams.set("from", params.get("from"));
      if (params.get("to")) exportParams.set("to", params.get("to"));
      if (params.get("device")) exportParams.set("device", params.get("device"));
      if (params.get("rule_type")) exportParams.set("rule_type", params.get("rule_type"));
      window.location.href = "/api/alarms/export?" + exportParams.toString();
    });
  }
})();
</script>
{{end}}