import { CommandHandler, ICommandHandler } from '@nestjs/cqrs';
import { ProjectRole } from '@task-stream/api/tracker/domain';
import { CommandResult, ack } from './command-result';
import { DeleteCommentCommand } from './delete-comment.command';
import { WriteAccess } from './write-access';

@CommandHandler(DeleteCommentCommand)
export class DeleteCommentCommandHandler
  implements ICommandHandler<DeleteCommentCommand>
{
  constructor(private readonly access: WriteAccess) {}

  async execute(command: DeleteCommentCommand): Promise<CommandResult> {
    const comment = await this.access.comment(command.commentId);
    const project = await this.access.project(comment.projectId);
    const role = project.roleOf(command.actorId);
    comment.delete(
      command.actorId,
      role === ProjectRole.OWNER || role === ProjectRole.ADMIN,
    );
    await comment.commitAndWait();
    return ack(comment);
  }
}