import { ANALYZE_FOR_ENTRY_COMPONENTS, APP_INITIALIZER, Inject, ModuleWithProviders, NgModule, NgZone, Optional } from '@angular/core';
import { APP_BASE_HREF, Location, LocationStrategy, HashLocationStrategy, PathLocationStrategy, PlatformLocation } from '@angular/common';
import { BrowserModule, HAMMER_GESTURE_CONFIG } from '@angular/platform-browser';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { HttpModule } from '@angular/http';

/**
 * Import Providers
 */
import { ActionSheetController } from './components/action-sheet/action-sheet';
import { AlertController } from './components/alert/alert';
import { App } from './components/app/app';
import { Config, ConfigToken, setupConfig } from './config/config';
import { DeepLinker, setupDeepLinker } from './navigation/deep-linker';
import { setupProvideEvents } from './util/events';
import { Form } from './util/form';
import { GestureController } from './gestures/gesture-controller';
import { IonicGestureConfig } from './gestures/gesture-config';
import { Keyboard } from './util/keyboard';
import { LoadingController } from './components/loading/loading';
import { MenuController } from './components/menu/menu-controller';
import { ModalController } from './components/modal/modal';
import { PickerController } from './components/picker/picker';
import { Platform, setupPlatform, UserAgentToken, NavigatorPlatformToken, DocumentDirToken, DocLangToken } from './platform/platform';
import { PlatformConfigToken, providePlatformConfigs } from './platform/platform-registry';
import { PopoverController } from './components/popover/popover';
import { QueryParams, setupQueryParams, UrlToken } from './platform/query-params';
import { TapClick, setupTapClick } from './components/tap-click/tap-click';
import { ToastController } from './components/toast/toast';
import { Translate } from './translation/translate';
import { registerModeConfigs } from './config/mode-registry';
import { registerTransitions } from './transitions/transition-registry';
import { TransitionController } from './transitions/transition-controller';
import { AppRootToken } from './components/app/app-root';
import { UrlSerializer, setupUrlSerializer, DeepLinkConfigToken } from './navigation/url-serializer';

/**
 * Import Overlay Entry Components
 */
import { ActionSheetCmp } from './components/action-sheet/action-sheet-component';
import { AlertCmp } from './components/alert/alert-component';
import { IONIC_DIRECTIVES } from './directives';
import { IonicApp } from './components/app/app-root';
import { LoadingCmp } from './components/loading/loading-component';
import { ModalCmp } from './components/modal/modal-component';
import { PickerCmp } from './components/picker/picker-component';
import { PopoverCmp } from './components/popover/popover-component';
import { ToastCmp } from './components/toast/toast-component';

/**
 * Export Providers
 */
export { Config, setupConfig, ConfigToken } from './config/config';
export { Platform, setupPlatform, UserAgentToken, DocumentDirToken, DocLangToken, NavigatorPlatformToken } from './platform/platform';
export { QueryParams, setupQueryParams, UrlToken } from './platform/query-params';
export { DeepLinker } from './navigation/deep-linker';
export { NavController } from './navigation/nav-controller';
export { NavParams } from './navigation/nav-params';
export { NavLink, NavOptions, DeepLink, DeepLinkConfig } from './navigation/nav-util';
export { UrlSerializer, DeepLinkConfigToken } from './navigation/url-serializer';
export { ViewController } from './navigation/view-controller';


@NgModule({
  imports: [BrowserModule, HttpModule, FormsModule, ReactiveFormsModule],
  exports: [BrowserModule, HttpModule, FormsModule, ReactiveFormsModule, IONIC_DIRECTIVES],
  declarations: [
    ActionSheetCmp,
    AlertCmp,
    IONIC_DIRECTIVES,
    LoadingCmp,
    ModalCmp,
    PickerCmp,
    PopoverCmp,
    ToastCmp
  ],
  entryComponents: [
    ActionSheetCmp,
    AlertCmp,
    IonicApp,
    LoadingCmp,
    ModalCmp,
    PickerCmp,
    PopoverCmp,
    ToastCmp
  ]
})
export class IonicModule {

  static forRoot(appRoot: any, config: any = null, deepLinkConfig: any = null): ModuleWithProviders {
    return {
      ngModule: IonicModule,
      providers: [
        // useValue: bootstrap values
        { provide: AppRootToken, useValue: appRoot },
        { provide: ConfigToken, useValue: config },
        { provide: DeepLinkConfigToken, useValue: deepLinkConfig },

        // useFactory: user values
        { provide: UserAgentToken, useFactory: provideUserAgent },
        { provide: DocumentDirToken, useFactory: provideDocumentDirection },
        { provide: DocLangToken, useFactory: provideDocumentLang },
        { provide: NavigatorPlatformToken, useFactory: provideNavigatorPlatform },
        { provide: UrlToken, useFactory: provideLocationHref },
        { provide: PlatformConfigToken, useFactory: providePlatformConfigs },

        // useFactory: ionic core providers
        { provide: QueryParams, useFactory: setupQueryParams, deps: [ UrlToken ] },
        { provide: Platform, useFactory: setupPlatform, deps: [ PlatformConfigToken, QueryParams, UserAgentToken, NavigatorPlatformToken, DocumentDirToken, DocLangToken, NgZone ] },
        { provide: Config, useFactory: setupConfig, deps: [ ConfigToken, QueryParams, Platform ] },

        // useFactory: ionic app initializers
        { provide: APP_INITIALIZER, useFactory: registerModeConfigs, deps: [ Config ], multi: true },
        { provide: APP_INITIALIZER, useFactory: registerTransitions, deps: [ Config ], multi: true },
        { provide: APP_INITIALIZER, useFactory: setupProvideEvents, deps: [ Platform ], multi: true },
        { provide: APP_INITIALIZER, useFactory: setupTapClick, deps: [ Config, App, NgZone ], multi: true },

        // useClass
        { provide: HAMMER_GESTURE_CONFIG, useClass: IonicGestureConfig },

        // useValue
        { provide: ANALYZE_FOR_ENTRY_COMPONENTS, useValue: appRoot, multi: true },

        // ionic providers
        ActionSheetController,
        AlertController,
        App,
        Form,
        GestureController,
        Keyboard,
        LoadingController,
        Location,
        MenuController,
        ModalController,
        PickerController,
        PopoverController,
        TapClick,
        ToastController,
        Translate,
        TransitionController,

        { provide: LocationStrategy, useFactory: provideLocationStrategy, deps: [ PlatformLocation, [ new Inject(APP_BASE_HREF), new Optional()], Config ] },
        { provide: UrlSerializer, useFactory: setupUrlSerializer, deps: [ DeepLinkConfigToken ] },
        { provide: DeepLinker, useFactory: setupDeepLinker, deps: [ App, UrlSerializer, Location ] },
      ]
    };
  }

}

/**
 * @private
 */
export function provideLocationStrategy(platformLocationStrategy: PlatformLocation,
                                        baseHref: string, config: Config) {
  return config.get('locationStrategy') === 'path' ?
         new PathLocationStrategy(platformLocationStrategy, baseHref) :
         new HashLocationStrategy(platformLocationStrategy, baseHref);
}

/**
 * @private
 */
export function provideUserAgent() {
  return window && window.navigator.userAgent;
}

/**
 * @private
 */
export function provideNavigatorPlatform() {
  return window && window.navigator.platform;
}

/**
 * @private
 */
export function provideLocationHref() {
  return window && window.location.href;
}

/**
 * @private
 */
export function provideDocumentDirection() {
  return document && document.documentElement.dir;
}

/**
 * @private
 */
export function provideDocumentLang() {
  return document && document.documentElement.lang;
}