import {isPresent, isBlank} from './facade/lang';
import {PromiseWrapper} from './facade/async';
import {
  ApplicationRef,
  PlatformRef,
  ReflectiveInjector,
  getPlatform,
  createPlatform,
  assertPlatform
} from '@angular/core';
import {WORKER_RENDER_APPLICATION_PROVIDERS} from './webworker/worker_render';
import {
  WORKER_SCRIPT,
  WORKER_RENDER_PLATFORM_PROVIDERS,
  WORKER_RENDER_PLATFORM_MARKER
} from './webworker/worker_render_common';

export {
  WORKER_SCRIPT,
  WORKER_RENDER_PLATFORM_PROVIDERS,
  initializeGenericWorkerRenderer,
  WORKER_RENDER_APPLICATION_COMMON_PROVIDERS
} from './webworker/worker_render_common';
export {
  WORKER_RENDER_APPLICATION_PROVIDERS,
  WORKER_RENDER_STARTABLE_MESSAGING_SERVICE,
  WebWorkerInstance
} from './webworker/worker_render';
export {
  ClientMessageBroker,
  ClientMessageBrokerFactory,
  FnArg,
  UiArguments
} from './web_workers/shared/client_message_broker';
export {
  ReceivedMessage,
  ServiceMessageBroker,
  ServiceMessageBrokerFactory
} from './web_workers/shared/service_message_broker';
export {PRIMITIVE} from './web_workers/shared/serializer';
export * from './web_workers/shared/message_bus';

export {WORKER_RENDER_LOCATION_PROVIDERS} from '../src/web_workers/ui/location_providers';

export function workerRenderPlatform(): PlatformRef {
  if (isBlank(getPlatform())) {
    createPlatform(ReflectiveInjector.resolveAndCreate(WORKER_RENDER_PLATFORM_PROVIDERS));
  }
  return assertPlatform(WORKER_RENDER_PLATFORM_MARKER);
}

export function bootstrapStaticRender(
    workerScriptUri: string,
    customProviders?: Array<any /*Type | Provider | any[]*/>): Promise<ApplicationRef> {
  var app = ReflectiveInjector.resolveAndCreate(
      [
        WORKER_RENDER_APPLICATION_PROVIDERS,
        /* @ts2dart_Provider */ {provide: WORKER_SCRIPT, useValue: workerScriptUri},
        isPresent(customProviders) ? customProviders : []
      ],
      workerRenderPlatform().injector);
  // Return a promise so that we keep the same semantics as Dart,
  // and we might want to wait for the app side to come up
  // in the future...
  return PromiseWrapper.resolve(app.get(ApplicationRef));
}