const MongoLib = require('../lib/mongo');

class MoviesService {
  constructor() {
    this.collection = 'movies';
    this.mongoDB = new MongoLib();
  }

  async list({ tags }) {
    const query = tags && { tags: { $in: tags }};
    const movies = await this.mongoDB.getAll(this.collection, query);
    return movies || [];
  }

  async get(id) {
    const movie = await this.mongoDB.get(this.collection, id);
    return movie || {};
  }

  async create(movie) {
    return await this.mongoDB.create(this.collection, movie);
  }

  async update(id, movie = {}) {
    return await this.mongoDB.update(this.collection, id, movie);
  }

  async delete(id) {
    return await this.mongoDB.delete(this.collection, id);
  }
}

module.exports = MoviesService;