using System;
using System.IO;
using System.Linq;

namespace DSALib.DSA_Game.Save {
    public class SaveCommand {
        public void LoadSession(string name = "") {
            if (name.Equals("?") || name.Equals(string.Empty)) {
                Console.WriteLine("Gespeicherte Sessions:");
                Console.WriteLine(ListSessions());
                return;
            }

            var path = Session.DirectoryPath + @"\" + name;

            var files = Directory.GetFiles(path);
            var session = files.OrderByDescending(x => Convert.ToInt32(x.Split('-').Last().Split('.').First())).First();
            Dsa.Session = Session.Load(session);

            Console.WriteLine($"{name} wurde geladen");
        }

        public void SessionSave(string name = "") {
            //var sendFile = this.Context.Channel.SendWebFile("https://cdn.discordapp.com/attachments/377123019673567232/465615882048110603/giphy.gif");

            if (name.Equals("?") || name.Equals(string.Empty)) {
                Console.WriteLine("Gespeicherte Sessions:");
                Console.WriteLine(ListSessions());
                return;
            }

            var path = Session.DirectoryPath + @"\" + name;
            if (Directory.Exists(path)) {
                var files = Directory.GetFiles(path);
                var current = files.Max(x => Convert.ToInt32(x.Split('-').Last().Split('.').First()));
                Dsa.Session.SessionName = name;
                Dsa.Session.Save(path + "\\" + name + $"-{++current}.json");
            }
            else {
                Directory.CreateDirectory(path);
                Dsa.Session.SessionName = name;
                Dsa.Session.Save(path + "\\" + name + "-0.json");
            }

            Console.WriteLine($"{name} wurde gespeichert");
            //await sendFile;
        }

        private string[] ListSessions() {
            var dirs = Directory.GetDirectories(Session.DirectoryPath)
                .OrderByDescending(x => new DirectoryInfo(x).LastAccessTime.Ticks).ToArray();
            for (var i = 0; i < dirs.Length; i++) dirs[i] += "; " + new DirectoryInfo(dirs[i]).LastAccessTime;

            return dirs;
        }
    }
}