import { Router } from 'express';
import TheMovieDb from '../api/themoviedb';
import type { TmdbSearchMultiResponse } from '../api/themoviedb/interfaces';
import Media from '../entity/Media';
import { findSearchProvider } from '../lib/search';
import logger from '../logger';
import { mapSearchResults } from '../models/Search';

const searchRoutes = Router();

searchRoutes.get('/', async (req, res, next) => {
  const queryString = req.query.query as string;
  const searchProvider = findSearchProvider(queryString.toLowerCase());
  let results: TmdbSearchMultiResponse;

  try {
    if (searchProvider) {
      const [id] = queryString
        .toLowerCase()
        .match(searchProvider.pattern) as RegExpMatchArray;
      results = await searchProvider.search({
        id,
        language: req.locale ?? (req.query.language as string),
        query: queryString,
      });
    } else {
      const tmdb = new TheMovieDb();

      results = await tmdb.searchMulti({
        query: queryString,
        page: Number(req.query.page),
        language: req.locale ?? (req.query.language as string),
      });
    }

    const media = await Media.getRelatedMedia(
      results.results.map((result) => result.id)
    );

    return res.status(200).json({
      page: results.page,
      totalPages: results.total_pages,
      totalResults: results.total_results,
      results: mapSearchResults(results.results, media),
    });
  } catch (e) {
    logger.debug('Something went wrong retrieving search results', {
      label: 'API',
      errorMessage: e.message,
      query: req.query.query,
    });
    return next({
      status: 500,
      message: 'Unable to retrieve search results.',
    });
  }
});

export default searchRoutes;