import {
  bootstrapModeler,
  inject
} from 'test/TestHelper';

import modelingModule from 'lib/features/modeling';
import coreModule from 'lib/core';


describe('features/modeling - create participant', function() {

  var testModules = [ coreModule, modelingModule ];


  describe('on process diagram', function() {

    describe('should transform diagram into collaboration', function() {

      var processDiagramXML = require('../../../../fixtures/bpmn/collaboration/process-empty.bpmn');

      beforeEach(bootstrapModeler(processDiagramXML, { modules: testModules }));


      it('execute', inject(function(modeling, elementFactory, canvas) {

        // given
        var processShape = canvas.getRootElement(),
            process = processShape.businessObject,
            participantShape = elementFactory.createParticipantShape(true),
            participant = participantShape.businessObject,
            diRoot = process.di.$parent;

        // when
        modeling.createShape(participantShape, { x: 350, y: 200 }, processShape);

        // then
        expect(participant.processRef).to.eql(process);

        var collaborationRoot = canvas.getRootElement(),
            collaboration = collaborationRoot.businessObject,
            collaborationDi = collaboration.di;

        expect(collaboration.$instanceOf('bpmn:Collaboration')).to.be.true;

        // participant / collaboration are wired
        expect(participant.$parent).to.eql(collaboration);
        expect(collaboration.participants).to.include(participant);


        // collaboration is added to root elements
        expect(collaboration.$parent).to.eql(process.$parent);

        // di is wired
        var participantDi = participant.di;

        expect(participantDi.$parent).to.eql(collaborationDi);
        expect(collaborationDi.$parent).to.eql(diRoot);
      }));


      it('undo', inject(function(modeling, elementFactory, canvas, commandStack) {

        // given
        var processShape = canvas.getRootElement(),
            process = processShape.businessObject,
            processDi = process.di,
            participantShape = elementFactory.createParticipantShape(true),
            participant = participantShape.businessObject,
            oldParticipantProcessRef = participant.processRef,
            diRoot = process.di.$parent;

        modeling.createShape(participantShape, { x: 350, y: 200 }, processShape);

        var collaborationRoot = canvas.getRootElement(),
            collaboration = collaborationRoot.businessObject;

        // when
        commandStack.undo();


        // then
        expect(participant.processRef).to.eql(oldParticipantProcessRef);

        expect(participant.$parent).to.be.null;
        expect(collaboration.participants).not.to.include(participant);

        // collaboration is detached
        expect(collaboration.$parent).to.be.null;

        // di is wired
        expect(processDi.$parent).to.eql(diRoot);
      }));

    });


    describe('should wrap existing elements', function() {

      var processDiagramXML = require('../../../../fixtures/bpmn/collaboration/process.bpmn');

      beforeEach(bootstrapModeler(processDiagramXML, { modules: testModules }));


      it('execute', inject(function(modeling, elementFactory, canvas) {

        // given
        var processShape = canvas.getRootElement(),
            process = processShape.businessObject,
            participantShape = elementFactory.createParticipantShape(true),
            participant = participantShape.businessObject;

        // when
        modeling.createShape(participantShape, { x: 350, y: 200 }, processShape);

        // then
        expect(participant.processRef).to.eql(process);

        var newRootShape = canvas.getRootElement(),
            collaboration = newRootShape.businessObject;

        expect(collaboration.$instanceOf('bpmn:Collaboration')).to.be.true;

        expect(participant.$parent).to.eql(collaboration);
        expect(collaboration.participants).to.include(participant);
      }));


      it('undo', inject(function(modeling, elementFactory, elementRegistry, canvas, commandStack) {

        // given
        var processShape = canvas.getRootElement(),
            participantShape = elementFactory.createParticipantShape(true);

        modeling.createShape(participantShape, { x: 350, y: 200 }, processShape);

        // when
        commandStack.undo();

        var startEventElement = elementRegistry.get('StartEvent_1'),
            startEventDi = startEventElement.businessObject.di,
            rootElement = canvas.getRootElement(),
            rootShapeDi = rootElement.businessObject.di;

        // then
        expect(participantShape.children.length).to.equal(0);
        expect(processShape.children.length).to.equal(7);

        // children di is wired
        expect(startEventDi.$parent).to.eql(rootShapeDi);
        expect(rootShapeDi.planeElement).to.include(startEventDi);
      }));


      it('should detach DI on update canvas root', inject(
        function(canvas, elementFactory, commandStack, modeling, elementRegistry) {

          // when
          modeling.makeCollaboration();

          var startEventElement = elementRegistry.get('StartEvent_1'),
              startEventDi = startEventElement.businessObject.di,
              rootElement = canvas.getRootElement(),
              rootShapeDi = rootElement.businessObject.di;

          // then
          expect(startEventDi.$parent).not.to.be.ok;
          expect(rootShapeDi.planeElement).not.to.include(startEventDi);
        }
      ));

    });

  });


  describe('should add to collaboration', function() {

    var collaborationDiagramXML = require('../../../../fixtures/bpmn/collaboration/collaboration-participant.bpmn');

    beforeEach(bootstrapModeler(collaborationDiagramXML, { modules: testModules }));


    it('execute', inject(function(modeling, elementFactory, canvas) {

      // given
      var collaborationRoot = canvas.getRootElement(),
          collaboration = collaborationRoot.businessObject,
          participantShape = elementFactory.createParticipantShape(true),
          participant = participantShape.businessObject;

      // when
      modeling.createShape(participantShape, { x: 350, y: 500 }, collaborationRoot);

      // then
      expect(collaborationRoot.children).to.include(participantShape);

      expect(participant.$parent).to.eql(collaboration);
      expect(collaboration.participants).to.include(participant);
    }));


    it('undo', inject(function(modeling, elementFactory, canvas, commandStack) {

      // given
      var collaborationRoot = canvas.getRootElement(),
          collaboration = collaborationRoot.businessObject,
          participantShape = elementFactory.createParticipantShape(true),
          participant = participantShape.businessObject;

      modeling.createShape(participantShape, { x: 350, y: 500 }, collaborationRoot);

      // when
      commandStack.undo();

      // then
      expect(collaborationRoot.children).not.to.include(participantShape);

      expect(participant.$parent).not.to.be.ok;
      expect(collaboration.participants).not.to.include(participant);
    }));

  });

});