{
   "input1":{
      "set1":{
         "source":"uat1",
         "value":"value1"
      },
      "set2":{
         "source":"uat",
         "value":"value2",
         "options":[
            {
               "name":"option1"
            },
            {
               "name":"option2"
            }
         ]
      }
   },
   "input2":{
      "set3":{
         "source":"uat1",
         "value":"value3"
      },
      "set4":{
         "source":"uat",
         "value":"value4",
         "options":[
            {
               "name":"option3"
            },
            {
               "name":"option4"
            }
         ]
      }
   }
}

<div class="form-group" ng-repeat="(name, set) in sets">
    <label>{{name}}</label>
    <ui-select name="{{inputName + $index}}" ng-model="set.value" theme="bootstrap" ng-if="set.source == 'uat'">
        <ui-select-match placeholder="Set">{{set.value.name}}</ui-select-match>
        <ui-select-choices repeat="ds in set.options | filter: $select.search track by $index">
            <div ng-bind-html="ds.name | highlight: $select.search"></div>
        </ui-select-choices>
    </ui-select>
    <input type="text" ng-if="set.source == 'uat1'" name="{{inputName + $index}}" ng-model="set.value" />
</div>