import { Injectable, NotFoundException, OnModuleInit } from '@nestjs/common';
import { ReviewRepository, ReviewCard, ReviewLog } from './review.repository';
import { SubmitReviewDto } from './dto/submit-review.dto';

@Injectable()
export class ReviewService implements OnModuleInit {
  constructor(private readonly reviewRepository: ReviewRepository) {}

  onModuleInit() {}

  async getDueCards(): Promise<ReviewCard[]> {
    return this.reviewRepository.findDueCards();
  }

  async submitReview(id: string, dto: SubmitReviewDto): Promise<ReviewLog> {
    const card = await this.reviewRepository.findById(id);
    if (!card) throw new NotFoundException(`Review card ${id} not found`);
    const log = await this.reviewRepository.insertLog({
      cardId: id, rating: dto.rating, responseText: dto.responseText,
    });
    await this.reviewRepository.updateCard(id, { reviewedAt: new Date() });
    return log;
  }
}