import { DynamicModule, Module, Type } from '@nestjs/common';
import { CqrsModule } from '@nestjs/cqrs';
import { TRACKER_FACTORIES } from '@task-stream/api/tracker/domain';
import { ChangesService } from './changes.service';
import { COMMAND_HANDLERS } from './commands/command-handlers';
import { WriteAccess } from './commands/write-access';
import { IssueTree } from './commands/issue-tree';
import { CommentsService } from './comments.service';
import {
  EVENT_HANDLERS,
  ReadModelNotifier,
} from './event-handlers/event-handlers';
import { IssuesService } from './issues.service';
import { ProjectsService } from './projects.service';
import { QUERY_HANDLERS } from './queries/query-handlers';
import { ReadAccess } from './queries/read-access';
import { ReleasesService } from './releases.service';
import { SAGAS } from './sagas/sagas';
import { WorkflowsService } from './workflows.service';
import { NotificationsService } from './notifications.service';
import { Notifier } from './notifications/notifier';
import { NotificationsEventHandler } from './notifications/notifications.event-handler';
import {
  GetMyNotificationSettingsQueryHandler,
  GetMyNotificationsQueryHandler,
} from './notifications/notifications.queries';
import {
  MarkNotificationsReadCommandHandler,
  UpdateNotificationSettingsCommandHandler,
} from './notifications/notifications.commands';

import { SAVED_FILTERS } from './saved-filters/saved-filters';
import { SavedFiltersService } from './saved-filters.service';

/** Notifications: derived from events, kept and dismissed per person. */
const NOTIFICATIONS = [
  Notifier,
  NotificationsEventHandler,
  GetMyNotificationsQueryHandler,
  GetMyNotificationSettingsQueryHandler,
  MarkNotificationsReadCommandHandler,
  UpdateNotificationSettingsCommandHandler,
];

const SERVICES = [
  ProjectsService,
  IssuesService,
  CommentsService,
  ReleasesService,
  ChangesService,
  WorkflowsService,
  NotificationsService,
  SavedFiltersService,
];

/**
 * Use cases of the tracker context. The infrastructure module implementing
 * its ports (lookups, read model, change feed, user directory) is plugged in
 * by the composition root; the event store comes from the SharedModule.
 */
@Module({
  imports: [CqrsModule],
  providers: [
    ...SERVICES,
    ...TRACKER_FACTORIES,
    WriteAccess,
    IssueTree,
    ReadAccess,
    ReadModelNotifier,
    ...COMMAND_HANDLERS,
    ...QUERY_HANDLERS,
    ...EVENT_HANDLERS,
    ...SAGAS,
    ...NOTIFICATIONS,
    ...SAVED_FILTERS,
  ],
  exports: SERVICES,
})
export class TrackerApplicationModule {
  static withInfrastructure(
    infrastructureModule: Type | DynamicModule,
  ): DynamicModule {
    return {
      module: TrackerApplicationModule,
      imports: [infrastructureModule],
    };
  }
}