import { moduleFor, ApplicationTestCase } from 'internal-test-helpers';
import { EMBER_ROUTING_ROUTER_SERVICE } from '@ember/canary-features';

if (EMBER_ROUTING_ROUTER_SERVICE) {
  moduleFor(
    'Deprecated HandlerInfos',
    class extends ApplicationTestCase {
      constructor() {
        super(...arguments);
        this.router.map(function() {
          this.route('parent', function() {
            this.route('child');
            this.route('sibling');
          });
        });
      }

      get routerOptions() {
        return {
          willTransition(oldHandlers, newHandlers, transition) {
            expectDeprecation(() => {
              this._routerMicrolib.currentHandlerInfos;
            }, 'You attempted to use "_routerMicrolib.currentHandlerInfos" which is a private API that will be removed.');

            expectDeprecation(() => {
              this._routerMicrolib.getHandler('parent');
            }, 'You attempted to use "_routerMicrolib.getHandler" which is a private API that will be removed.');

            oldHandlers.forEach(handler => {
              expectDeprecation(() => {
                handler.handler;
              }, 'You attempted to read "handlerInfo.handler" which is a private API that will be removed.');
            });
            newHandlers.forEach(handler => {
              expectDeprecation(() => {
                handler.handler;
              }, 'You attempted to read "handlerInfo.handler" which is a private API that will be removed.');
            });

            expectDeprecation(() => {
              transition.handlerInfos;
            }, 'You attempted to use "transition.handlerInfos" which is a private API that will be removed.');

            expectDeprecation(() => {
              transition.state.handlerInfos;
            }, 'You attempted to use "transition.state.handlerInfos" which is a private API that will be removed.');
            QUnit.assert.ok(true, 'willTransition');
          },

          didTransition(newHandlers) {
            newHandlers.forEach(handler => {
              expectDeprecation(() => {
                handler.handler;
              }, 'You attempted to read "handlerInfo.handler" which is a private API that will be removed.');
            });
            QUnit.assert.ok(true, 'didTransition');
          },
        };
      }

      '@test handlerInfos are deprecated and associated private apis'(assert) {
        let done = assert.async();
        expectDeprecation(() => {
          return this.visit('/parent').then(() => {
            done();
          });
        }, /You attempted to override the \"(willTransition|didTransition)\" method which is deprecated. Please inject the router service and listen to the \"(routeWillChange|routeDidChange)\" event\./);
      }
    }
  );
}