using RecRoomArchive.Models.API.Players;
using System.Security.Cryptography;
using System.Text.Json;

namespace RecRoomArchive.Services
{
    public class AccountService
    {
        public bool AccountExists()
        {
            return File.Exists("data/profile.json");
        }

        public bool CreateAccount(string? username = null)
        {
            PopulateServerData();

            if (string.IsNullOrEmpty(username))
            {
                username = GetRandomUsername();
            }

            Console.WriteLine($"Creating account for {username}");

            var profile = new BaseProfile
            {
                Id = (ulong)RandomNumberGenerator.GetInt32(1000, 9999999),
                Username = username,
                DisplayName = username
            };

            File.WriteAllText("data/profile.json", JsonSerializer.Serialize(profile));
            return File.Exists("data/profile.json");
        }

        public BaseProfile? GetSelfAccount()
        {
            return JsonSerializer.Deserialize<BaseProfile>(File.ReadAllText("data/profile.json"));
        }

        private static string GetRandomUsername()
        {
            int randomFourDigits = RandomNumberGenerator.GetInt32(1000, 9999);
            return $"RRA-User_{randomFourDigits}";
        }

        private static void PopulateServerData()
        {
            string basePath = "data";

            string[] directories = ["rooms", "images", "blobs"];
            string[] files = [];

            Directory.CreateDirectory(basePath);

            foreach (var directory in directories)
            {
                Directory.CreateDirectory(Path.Combine(basePath, directory));
            }

            foreach (var file in files)
            {
                string fullPath = Path.Combine(basePath, file);

                if (!File.Exists(fullPath))
                {
                    File.WriteAllText(fullPath, string.Empty);
                }
            }
        }
    }
}