import { CommandRunner } from '@task-stream/api/shared/application';
import { Injectable } from '@nestjs/common';
import { QueryBus } from '@nestjs/cqrs';
import { IssueReadModel } from '@task-stream/api/tracker/domain';
import {
  GetMyPinsQuery,
  IsIssuePinnedQuery,
  PinIssueCommand,
} from './saved-filters/pins';

/** Pinned tickets: the few someone keeps at hand, across projects. */
@Injectable()
export class PinsService {
  constructor(
    private readonly commands: CommandRunner,
    private readonly queryBus: QueryBus,
  ) {}

  /** Mine, most recently pinned first. */
  mine(ownerId: string): Promise<IssueReadModel[]> {
    return this.queryBus.execute(new GetMyPinsQuery(ownerId));
  }

  isPinned(ownerId: string, issueId: string): Promise<boolean> {
    return this.queryBus.execute(new IsIssuePinnedQuery(ownerId, issueId));
  }

  pin(ownerId: string, issueId: string, pinned: boolean): Promise<void> {
    return this.commands.execute(new PinIssueCommand(ownerId, issueId, pinned));
  }
}