import type { FastifyInstance, FastifyReply, FastifyRequest } from 'fastify';
import { Controller } from '../../core/server/Controller';
import type { AppConfig } from '../config/AppConfig';
import type { RadarrClient } from '../clients/radarr/RadarrClient';

interface RequestBody {
  tmdb_id?: number;
}

export class RequestController extends Controller {
  constructor(
    private readonly config: AppConfig,
    private readonly radarr: RadarrClient | undefined
  ) {
    super();
  }

  register(app: FastifyInstance): void {
    app.post('/recommendations/request', (request, reply) =>
      this.handle(request as FastifyRequest<{ Body: RequestBody }>, reply)
    );
  }

  private async handle(request: FastifyRequest<{ Body: RequestBody }>, reply: FastifyReply) {
    if (!this.config.RADARR_ENABLED || !this.radarr) {
      reply.code(400).send({ error: 'Radarr is not enabled' });
      return;
    }
    const tmdbId = request.body?.tmdb_id;
    if (!tmdbId) {
      reply.code(400).send({ error: 'body must be {"tmdb_id": 12345}' });
      return;
    }
    try {
      const movie = await this.radarr.lookup(tmdbId);
      await this.radarr.addMovie(movie);
      reply.send({ requested: true, title: movie.title });
    } catch (err) {
      reply.code(500).send({ error: String(err) });
    }
  }
}