<!DOCTYPE HTML>
<!--
Copyright (c) 2015 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<link rel="import" href="/perf_insights/wr/thread_grouping.html">
<link rel="import" href="/tracing/base/iteration_helpers.html">
<link rel="import" href="/tracing/extras/chrome/chrome_model_helper.html">
<link rel="import" href="/tracing/extras/rail/rail_interaction_record.html">
<link rel="import" href="/tracing/model/ir_coverage.html">
<link rel="import" href="/perf_insights/wr/slice_cost.html">

<script>
tr.exportTo('pi.wr', function() {

  function getWeatherReportFromModel(model) {
    var railTypeNameByGUID = getRAILTypeNameForEventsByGUID(model);

    var threadGrouping = new pi.wr.ThreadGrouping();
    threadGrouping.autoInitUsingHelpers(model);

    var wr = {
      ir_coverage: tr.model.getIRCoverageFromModel(model),
      sliceCosts: pi.wr.getSliceCostReport(model, threadGrouping,
                                           railTypeNameByGUID)
    };
    return wr;
  }

  function getRAILTypeNameForEventsByGUID(model) {
    var railIRs = model.interaction_records.filter(function(ir) {
      return ir instanceof tr.e.rail.RAILInteractionRecord;
    });

    var railTypeNameByGUID = {};
    railIRs.forEach(function applyAssociatedToRTN(ir) {
      ir.associatedEvents.forEach(function applyEventToRTN(event) {
        // Unassociated events have already been assigned to a RTN.
        if (railTypeNameByGUID[event.guid] !== undefined)
          return;
        railTypeNameByGUID[event.guid] = ir.railTypeName;
      }, this);
    }, this);

    model.iterateAllEvents(function storeEventToUnassociatedSet(event) {
      if (railTypeNameByGUID[event.guid] !== undefined)
        return;
      railTypeNameByGUID[event.guid] = 'unknown';
    });
    return railTypeNameByGUID;
  }

  return {
    getWeatherReportFromModel: getWeatherReportFromModel
  };
});

</script>