import { Injectable } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { UserLevelProgress } from '../entities/user-level-progress.entity';
import { IUserLevelProgressRepository } from './user-level-progress.repository.interface';

@Injectable()
export class UserLevelProgressRepository implements IUserLevelProgressRepository {
  constructor(
    @InjectRepository(UserLevelProgress)
    private readonly repository: Repository<UserLevelProgress>,
  ) {}

  async findByUserId(userId: string): Promise<UserLevelProgress[]> {
    return this.repository.find({ where: { userId } });
  }

  async countByUserId(userId: string): Promise<number> {
    return this.repository.count({ where: { userId } });
  }

  async findByUserAndLevel(
    userId: string,
    levelId: string,
  ): Promise<UserLevelProgress | null> {
    return this.repository.findOne({ where: { userId, levelId } });
  }

  create(data: Partial<UserLevelProgress>): UserLevelProgress {
    return this.repository.create(data);
  }

  async save(progress: UserLevelProgress): Promise<UserLevelProgress> {
    return this.repository.save(progress);
  }
}