{% package main %}

{% import (
    "time"
    "sort"

    "github.com/VictoriaMetrics/VictoriaMetrics/app/vmalert/tpl"
) %}


{% code
var navItems = []tpl.NavItem{
    {Name: "vmalert", Url: "/"},
    {Name: "Groups", Url: "/groups"},
    {Name: "Alerts",  Url: "/alerts"},
    {Name: "Docs", Url: "https://docs.victoriametrics.com/vmalert.html"},
}
%}

{% func Welcome(pathList [][2]string) %}
    {%= tpl.Header("vmalert", navItems) %}
    <p>
        API:<br>
        {% for _, p := range pathList  %}
            {%code
                p, doc := p[0], p[1]
            %}
        	<a href="{%s p %}">{%s p %}</a> - {%s doc %}<br/>
        {% endfor %}
    </p>
    {%= tpl.Footer() %}
{% endfunc %}

{% func ListGroups(groups []APIGroup) %}
    {%= tpl.Header("Groups", navItems) %}
    {%  if len(groups) > 0 %}
        {%code
            rOk := make(map[string]int)
            rNotOk := make(map[string]int)
            for _, g := range groups {
                for _, r := range g.AlertingRules{
                    if r.LastError != "" {
                        rNotOk[g.Name]++
                    } else {
                        rOk[g.Name]++
                    }
                }
                 for _, r := range g.RecordingRules{
                    if r.LastError != "" {
                        rNotOk[g.Name]++
                    } else {
                        rOk[g.Name]++
                    }
                }
            }
        %}
         <a class="btn btn-primary" role="button" onclick="collapseAll()">Collapse All</a>
         <a class="btn btn-primary" role="button" onclick="expandAll()">Expand All</a>
        {% for _, g := range groups  %}
              <div class="group-heading{% if rNotOk[g.Name] > 0 %} alert-danger{% endif %}"  data-bs-target="rules-{%s g.ID %}">
                <span class="anchor" id="group-{%s g.ID %}"></span>
                <a href="#group-{%s g.ID %}">{%s g.Name %}{% if g.Type != "prometheus" %} ({%s g.Type %}){% endif %} (every {%s g.Interval %})</a>
                 {% if rNotOk[g.Name] > 0 %}<span class="badge bg-danger" title="Number of rules withs status Error">{%d rNotOk[g.Name] %}</span> {% endif %}
                <span class="badge bg-success" title="Number of rules withs status Ok">{%d rOk[g.Name] %}</span>
                <p class="fs-6 fw-lighter">{%s g.File %}</p>
            </div>
            <div class="collapse" id="rules-{%s g.ID %}">
                <table class="table table-striped table-hover table-sm">
                    <thead>
                        <tr>
                            <th scope="col">Rule</th>
                            <th scope="col" title="Shows if rule's execution ended with error">Error</th>
                            <th scope="col" title="How many samples were produced by the rule">Samples</th>
                            <th scope="col" title="How many seconds ago rule was executed">Updated</th>
                        </tr>
                    </thead>
                    <tbody>
                    {% for _, ar := range g.AlertingRules %}
                        <tr{% if ar.LastError != "" %} class="alert-danger"{% endif %}>
                            <td>
                                <b>alert:</b> {%s ar.Name %} (for: {%v ar.For %})<br>
                                <code><pre>{%s ar.Expression %}</pre></code><br>
                                {% if len(ar.Labels) > 0 %} <b>Labels:</b>{% endif %}
                                {% for k, v := range ar.Labels %}
                                        <span class="ms-1 badge bg-primary">{%s k %}={%s v %}</span>
                                {% endfor %}
                            </td>
                            <td><div class="error-cell">{%s ar.LastError %}</div></td>
                            <td>{%d ar.LastSamples %}</td>
                            <td>{%f.3 time.Since(ar.LastExec).Seconds() %}s ago</td>
                        </tr>
                    {% endfor %}
                    {% for _, rr := range g.RecordingRules  %}
                        <tr>
                            <td>
                                <b>record:</b> {%s rr.Name %}<br>
                                <code><pre>{%s rr.Expression %}</pre></code>
                                {% if len(rr.Labels) > 0 %} <b>Labels:</b>{% endif %}
                                {% for k, v := range rr.Labels %}
                                        <span class="ms-1 badge bg-primary">{%s k %}={%s v %}</span>
                                {% endfor %}
                            </td>
                            <td><div class="error-cell">{%s rr.LastError %}</div></td>
                            <td>{%d rr.LastSamples %}</td>
                            <td>{%f.3 time.Since(rr.LastExec).Seconds() %}s ago</td>
                        </tr>
                    {% endfor %}
                 </tbody>
                </table>
            </div>
        {% endfor %}

    {% else %}
        <div>
            <p>No items...</p>
        </div>
    {% endif %}

    {%= tpl.Footer() %}

{% endfunc %}


{% func ListAlerts(groupAlerts []GroupAlerts) %}
    {%= tpl.Header("Alerts", navItems) %}
    {% if len(groupAlerts) > 0 %}
         <a class="btn btn-primary" role="button" onclick="collapseAll()">Collapse All</a>
         <a class="btn btn-primary" role="button" onclick="expandAll()">Expand All</a>
         {% for _, ga := range groupAlerts %}
            {%code g := ga.Group %}
            <div class="group-heading alert-danger" data-bs-target="rules-{%s g.ID %}">
                <span class="anchor" id="group-{%s g.ID %}"></span>
                <a href="#group-{%s g.ID %}">{%s g.Name %}{% if g.Type != "prometheus" %} ({%s g.Type %}){% endif %}</a>
                <span class="badge bg-danger" title="Number of active alerts">{%d len(ga.Alerts) %}</span>
                <br>
                <p class="fs-6 fw-lighter">{%s g.File %}</p>
            </div>
            {%code
                var keys []string
                alertsByRule := make(map[string][]*APIAlert)
                for _, alert := range ga.Alerts {
                    if len(alertsByRule[alert.RuleID]) < 1 {
                        keys = append(keys, alert.RuleID)
                    }
                    alertsByRule[alert.RuleID] = append(alertsByRule[alert.RuleID], alert)
                }
                sort.Strings(keys)
            %}
            <div class="collapse" id="rules-{%s g.ID %}">
                {% for _, ruleID := range keys %}
                    {%code
                        defaultAR := alertsByRule[ruleID][0]
                        var labelKeys []string
                        for k := range defaultAR.Labels {
                            labelKeys = append(labelKeys, k)
                        }
                        sort.Strings(labelKeys)
                    %}
                    <br>
                    <b>alert:</b> {%s defaultAR.Name %} ({%d len(alertsByRule[ruleID]) %})<br>
                    <b>expr:</b><code><pre>{%s defaultAR.Expression %}</pre></code>
                    <table class="table table-striped table-hover table-sm">
                        <thead>
                            <tr>
                                <th scope="col">Labels</th>
                                <th scope="col">State</th>
                                <th scope="col">Active at</th>
                                <th scope="col">Value</th>
                                <th scope="col">Link</th>
                            </tr>
                        </thead>
                        <tbody>
                        {% for _, ar := range alertsByRule[ruleID] %}
                            <tr>
                                <td>
                                    {% for _, k := range labelKeys %}
                                        <span class="ms-1 badge bg-primary">{%s k %}={%s ar.Labels[k] %}</span>
                                    {% endfor %}
                                </td>
                                <td><span class="badge {% if ar.State=="firing" %}bg-danger{% else %} bg-warning text-dark{% endif %}">{%s ar.State %}</span></td>
                                <td>{%s ar.ActiveAt.Format("2006-01-02T15:04:05Z07:00") %}</td>
                                <td>{%s ar.Value %}</td>
                                <td>
                                    <a href="/{%s g.ID %}/{%s ar.ID %}/status">Details</a>
                                </td>
                            </tr>
                        {% endfor %}
                     </tbody>
                    </table>
                {% endfor %}
            </div>
            <br>
        {% endfor %}

    {% else %}
        <div>
            <p>No items...</p>
        </div>
    {% endif %}

    {%= tpl.Footer() %}

{% endfunc %}

{% func Alert(alert *APIAlert) %}
    {%= tpl.Header("", navItems) %}
    {%code
        var labelKeys []string
        for k := range alert.Labels {
            labelKeys = append(labelKeys, k)
        }
        sort.Strings(labelKeys)

        var annotationKeys []string
        for k := range alert.Annotations {
            annotationKeys = append(annotationKeys, k)
        }
        sort.Strings(annotationKeys)
    %}
    <div class="display-6 pb-3 mb-3">{%s alert.Name %}<span class="ms-2 badge {% if alert.State=="firing" %}bg-danger{% else %} bg-warning text-dark{% endif %}">{%s alert.State %}</span></div>
    <div class="container border-bottom p-2">
      <div class="row">
        <div class="col-2">
          Active at
        </div>
        <div class="col">
          {%s alert.ActiveAt.Format("2006-01-02T15:04:05Z07:00") %}
        </div>
      </div>
      </div>
    <div class="container border-bottom p-2">
      <div class="row">
        <div class="col-2">
          Expr
        </div>
        <div class="col">
          <code><pre>{%s alert.Expression %}</pre></code>
        </div>
      </div>
    </div>
    <div class="container border-bottom p-2">
      <div class="row">
        <div class="col-2">
          Labels
        </div>
        <div class="col">
           {% for _, k := range labelKeys %}
                <span class="m-1 badge bg-primary">{%s k %}={%s alert.Labels[k] %}</span>
          {% endfor %}
        </div>
      </div>
    </div>
    <div class="container border-bottom p-2">
      <div class="row">
        <div class="col-2">
          Annotations
        </div>
        <div class="col">
           {% for _, k := range annotationKeys %}
                <b>{%s k %}:</b><br>
                <p>{%s alert.Annotations[k] %}</p>
          {% endfor %}
        </div>
      </div>
    </div>
    <div class="container border-bottom p-2">
      <div class="row">
        <div class="col-2">
          Group
        </div>
        <div class="col">
           <a target="_blank" href="/groups#group-{%s alert.GroupID %}">{%s alert.GroupID %}</a>
        </div>
      </div>
    </div>
    {%= tpl.Footer() %}

{% endfunc %}