import { CommonModule } from '@angular/common';
import { ModuleWithProviders, NgModule } from '@angular/core';
import { ComponentLoaderFactory } from 'ngx-bootstrap/component-loader';

import { PositioningService } from 'ngx-bootstrap/positioning';
import { BsDropdownContainerComponent } from './bs-dropdown-container.component';
import { BsDropdownMenuDirective } from './bs-dropdown-menu.directive';
import { BsDropdownToggleDirective } from './bs-dropdown-toggle.directive';

import { BsDropdownDirective } from './bs-dropdown.directive';
import { BsDropdownState } from './bs-dropdown.state';

@NgModule({
  imports: [CommonModule],
  declarations: [
    BsDropdownMenuDirective,
    BsDropdownToggleDirective,
    BsDropdownContainerComponent,
    BsDropdownDirective
  ],
  exports: [
    BsDropdownMenuDirective,
    BsDropdownToggleDirective,
    BsDropdownDirective
  ],
  entryComponents: [BsDropdownContainerComponent]
})
export class BsDropdownModule {
  static forRoot(): ModuleWithProviders<BsDropdownModule> {
    return {
      ngModule: BsDropdownModule,
      providers: [
        ComponentLoaderFactory,
        PositioningService,
        BsDropdownState
      ]
    };
  }
}