<div ng-if="vm.preview" class="sub-expression-preview">
    <span class="text-muted">{{ vm.model | monExpression:false }}</span>
</div>

<form name="subExpressionForm" ng-if="!vm.preview" novalidate>

    <div class="row expression-details" ng-if="vm.connectable">
        <div class="col-md-2 col-xs-6">
            <label class="control-label" for="expressionOperator">
                <span class="field-label">{{ 'Operator'|translate }}</span>
                <span class="hz-icon-required fa fa-asterisk"></span>
            </label>
            <select id="expressionOperator"
                    name="operator"
                    class="form-control input-sm"
                    title="{$ 'Operators'|translate $}"
                    aria-label="{$ 'Operators'|translate $}"
                    data-toggle="tooltip"
                    data-placement="right"
                    required
                    ng-change="vm.updateExpression()"
                    ng-model="vm.model.op"
                    ng-options="f[0] as f[1] for f in vm.operators"
                    ng-class="{'has-error': subExpressionForm.operator.$invalid && !subExpressionForm.$pristine}"
                    aria-describedby="helpBlock"></select>
        </div>
    </div>

    <div class="row expression-details">
        <div class="col-md-2 col-xs-6">
            <label class="control-label" for="expressionFunction">
                <span class="field-label">{{ 'Function'|translate }}</span>
                <span class="hz-icon-required fa fa-asterisk"></span>
            </label>
            <select id="expressionFunction"
                    name="function"
                    class="form-control input-sm"
                    aria-label="{$ 'Function'|translate $}"
                    title="{$ 'Function'|translate $}"
                    required
                    ng-change="vm.updateExpression()"
                    ng-model="vm.model.fun"
                    ng-options="f[0] as f[1] for f in vm.functions"
                    ng-class="{'has-error': subExpressionForm.function.$invalid && !subExpressionForm.$pristine}"
                    aria-describedby="helpBlock"></select>
        </div>
        <div class="col-md-6 col-xs-6">
            <label class="control-label" for="expressionFunction">
                <span class="field-label">{{ 'Metric'|translate }}</span>
                <span class="hz-icon-required fa fa-asterisk"></span>
            </label>
            <select id="expressionMetric"
                    name="metric"
                    class="form-control input-sm"
                    aria-label="{$ 'Metric'|translate $}"
                    title="{$ 'Metric'|translate $}"
                    required
                    ng-change="vm.resetExpression();vm.onMetricChanged(vm.model.metric)"
                    ng-model="vm.model.metric"
                    ng-options="metric.name for metric in vm.metrics|monUniqueMetric|orderBy:'name'"
                    ng-class="{'has-error': subExpressionForm.metric.$invalid && !subExpressionForm.$pristine}"
                    aria-describedby="helpBlock"></select>
        </div>
        <div class="col-md-2 col-xs-6">
            <label class="control-label" for="expressionFunction">
                <span class="field-label">{{ 'Comparator'|translate }}</span>
                <span class="hz-icon-required fa fa-asterisk"></span>
            </label>
            <select id="expressionComparator"
                    name="comparator"
                    class="form-control input-sm"
                    title="{$ 'Comparator'|translate $}"
                    aria-label="{$ 'Comparator'|translate $}"
                    data-toggle="tooltip"
                    data-placement="right"
                    required
                    ng-change="vm.updateExpression()"
                    ng-model="vm.model.cmp"
                    ng-options="f[0] as f[1] for f in vm.comparators"
                    ng-class="{'has-error': subExpressionForm.comparator.$invalid && !subExpressionForm.$pristine}"
                    aria-describedby="helpBlock"></select>
        </div>
        <div class="col-md-2 col-xs-6">
            <label class="control-label" for="expressionFunction">
                <span class="field-label">{{ 'Threshold'|translate }}</span>
                <span class="hz-icon-required fa fa-asterisk"></span>
            </label>
            <input id="expressionThreshold"
                   name="threshold"
                   type="number"
                   step="any"
                   class="form-control input-sm"
                   aria-label="{$ 'Threshold'|translate $}"
                   title="{$ 'Threshold'|translate $}"
                   required
                   ng-change="vm.updateExpression()"
                   ng-model="vm.model.threshold"
                   ng-class="{'has-error': subExpressionForm.threshold.$invalid && !subExpressionForm.$pristine}"
                   aria-describedby="helpBlock"/>
        </div>
    </div>

    <div class="row expression-details">
        <div class="col-md-9 col-xs-9">
            <tags-input id="dimension-chooser"
                        ng-model="vm.tags"
                        placeholder="{$ 'Add a dimension'|translate $}"
                        add-from-autocomplete-only="true"
                        on-tag-added="vm.onDimensionsUpdated()"
                        on-tag-removed="vm.onDimensionsUpdated()">
                <auto-complete source="vm.possibleDimensions($query)"
                               max-results-to-show="30"
                               min-length="1">
                </auto-complete>
            </tags-input>
        </div>
        <div class="col-md-3 col-xs-3">
            <div class="form-group">
                <label class="btn expression-deterministic"
                       ng-class="{'btn-primary active': vm.model.deterministic, 'btn-default': !vm.model.deterministic}"
                       ng-click="vm.model.deterministic = !vm.model.deterministic; vm.updateExpression()"
                       translate>Deterministic</label>
                <input name="deterministic"
                       type="hidden"
                       ng-model="vm.model.deterministic">
            </div>
        </div>
    </div>

    <!-- if window is small enough better hide this div to save some space -->
    <div class="row expression-details hidden-sm hidden-xs"
         ng-if="vm.matchingMetrics.length">
        <div class="topologyBalloon" id="metrics"
             style="position:static;display: block;">
            <div class="contentBody">
                <table class="detailInfoTable">
                    <caption translate>Matching Metrics</caption>
                    <tbody>
                    <tr>
                        <th translate>name</th>
                        <th translate>dimensions</th>
                    </tr>
                    <tr ng-repeat="metric in vm.matchingMetrics track by $id(metric)">
                        <td>{$ metric.name $}</td>
                        <td style="white-space:normal">{$ metric.dimensions |
                            json $}
                        </td>
                    </tr>
                    </tbody>
                </table>
            </div>
        </div>
    </div>

</form>
