package movie.apis;

import java.io.IOException;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.util.ArrayList;

public class MovieService {

    private final static String GENRES_URL = "https://moviesapi.ir/api/v1/genres";
    private static String MOVIES_BY_GENRE_URL = "https://moviesapi.ir/api/v1/genres/";
    private final static String MOVIE_INFO = "https://moviesapi.ir/api/v1/movies/{movie_id}";
    private final static HttpClient client = HttpClient.newHttpClient();
    private ArrayList<Movie> moviesList;
    private ArrayList<Genre> genresList;


    private String getGenresList() {
        try {

            HttpRequest request = HttpRequest.newBuilder()
                    .uri(URI.create(GENRES_URL))
                    .build();

            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());

            if (response.statusCode() == 200) {
                System.out.println("Genres List received successfully");
                return response.body();
            } else {
                throw new IOException("HTTP error code: " + response.statusCode());
            }
        } catch (Exception e) {
            System.out.println("!!Exception : " + e.getMessage());
        }
        return null;
    }

    private String getMoviesByGenreList(Long genreId, Long page) {
        try {

            MOVIES_BY_GENRE_URL = MOVIES_BY_GENRE_URL + genreId + "/movies?page=" + page;

            HttpRequest request = HttpRequest.newBuilder()
                    .uri(URI.create(MOVIES_BY_GENRE_URL))
                    .build();

            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());

            if (response.statusCode() == 200) {
                System.out.println("Movies By Genre received successfully");
                return response.body();
            } else {
                throw new IOException("HTTP error code: " + response.statusCode());
            }
        } catch (Exception e) {
            System.out.println("!!Exception : " + e.getMessage());
        }
        return null;
    }

    private String getMovieInfo(Long movieId) {
        try {

            String url = MOVIE_INFO.replace("{movie_id}", movieId.toString());

            HttpRequest request = HttpRequest.newBuilder()
                    .uri(URI.create(url))
                    .build();

            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());

            if (response.statusCode() == 200) {
                System.out.println("Movie Info received successfully");
                return response.body();
            } else {
                throw new IOException("HTTP error code: " + response.statusCode());
            }

        } catch (Exception e) {
            System.out.println("!!Exception : " + e.getMessage());
        }

        return null;
    }

// TODO: Write a method that parses the JSON returned by getGenresList() into a list of Genre objects.
// TODO: Write a method that displays the list of genres.

// TODO: Write a method whose inputs are genreId and page, and returns a list of movies for that genre and page.
// TODO: Write a method that displays the genres of a specific movie.

}