package movies.test.popularMovies.MovieTools;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;

import movies.test.popularMovies.Utilities.Constants;

/**
 * Created by ZCP on 6/26/17.
 */
public final class JsonMovieUtility {
    private static final String DATA_CONTAINER = "results";

    public static ArrayList<MoviePojo> generateParsedMovieDataFromJson(String movieJsonStr) throws JSONException {
        JSONObject movieJson = null;
        JSONArray movieArray = null;
        ArrayList<MoviePojo> movieList = null;
        if (movieJsonStr != null) {
            movieJson = new JSONObject(movieJsonStr);
        }
        if (movieJson != null) {
            movieArray = movieJson.getJSONArray(DATA_CONTAINER);
            MoviePojo movieElement;
            movieList = new ArrayList<>(movieArray.length());
            for (int i = 0; i < movieArray.length(); i++) {
                movieElement = getMovieFromJSON(movieArray.getJSONObject(i));
                movieList.add(movieElement);
            }
        }
        return movieList;
    }

    public static MoviePojo getMovieFromJSON(JSONObject movieJSON) {
        DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
        try {
            MoviePojo movie = new MoviePojo();
            movie.votes = movieJSON.getInt("vote_count");
            movie.id = movieJSON.getInt("id");
            movie.voteAvg = movieJSON.getDouble("vote_average");
            movie.title = movieJSON.getString("title");
            movie.originalTitle = movieJSON.getString("original_title");
            movie.posterPath = Constants.MOVIE_POSTER_BASE_URL + movieJSON.getString("poster_path");
            movie.backdropPath = Constants.MOVIE_IMAGE_BASE_URL_PATH + movieJSON.getString("backdrop_path");
            movie.overview = movieJSON.getString("overview");
            movie.releaseDate = dateFormat.parse(movieJSON.getString("release_date"));
            return movie;
        } catch (JSONException | ParseException e) {

        }
        return null;
    }
}