'use strict';

var inherits = require('inherits');

var CommandInterceptor = require('diagram-js/lib/command/CommandInterceptor').default;
var is = require('bpmn-js/lib/util/ModelUtil').is;
var getBusinessObject = require('bpmn-js/lib/util/ModelUtil').getBusinessObject;

/**
 * Remove `camunda:initiator` property when a startEvent is moved to or created within a subProcess.
 */
function RemoveInitiatorBehaviour(
    modeling, injector
) {

  injector.invoke(CommandInterceptor, this);

  this.postExecuted(['shape.create','shape.move'], function(context) {

    var shape = context.shape,
        newParent = context.newParent || context.parent,
        businessObject = getBusinessObject(shape);

    // if shape is a startEvent and has an initiator proterty
    if (is(shape, 'bpmn:StartEvent') && businessObject.get('camunda:initiator') !== undefined) {

      // if subProcess becomes the new parent
      if ((is(newParent, 'bpmn:SubProcess'))) {

        // remove initiator property
        modeling.updateProperties(shape, { 'camunda:initiator': undefined });

      }
    }

  }, true);
}

RemoveInitiatorBehaviour.$inject = [
  'modeling',
  'injector',
];

inherits(RemoveInitiatorBehaviour, CommandInterceptor);

module.exports = RemoveInitiatorBehaviour;