using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Threading.Tasks;
using System.Net;

namespace NonaBGS.Util {
    public class EDDB {
        private static readonly string EDDB_SYSTEMS_ARCHIVE = "https://eddb.io/archive/v6/systems_populated.json";
        private string cache_folder = null;
        private WebClient client = new WebClient();

        private string systems_file = null;

        public string SystemsFile => systems_file;

        public string Cache {
            get => cache_folder;
            set => cache_folder = value;
        }

        public EDDB(string cache_folder) {
            this.cache_folder = cache_folder;
            Initialise();
        }

        public void Initialise() {
            client.DownloadDataCompleted += Client_DownloadDataCompleted;
        }

        private void DownloadFile(string url) {
            Uri uri = new Uri(url);
            string name = Path.GetFileName(uri.AbsolutePath);
            systems_file = Path.Combine(this.cache_folder, name);

            client.DownloadFileAsync(new Uri(EDDB_SYSTEMS_ARCHIVE), systems_file);
        }

        public void Download() {
            DownloadFile(EDDB_SYSTEMS_ARCHIVE);
        }

        private void Client_DownloadDataCompleted(object sender, DownloadDataCompletedEventArgs e) {
        }
    }
}