using Luski.net.Enums;
using Luski.net.Interfaces;
using Luski.net.JsonTypes.BaseTypes;
using System.Collections.Generic;
using System;
using System.Text.Json.Serialization;
using System.Linq;
using System.Net.Http;
using System.Threading.Tasks;
using Luski.net.JsonTypes.WSS;
using System.Text.Json.Serialization.Metadata;
using System.Threading;
using JacobTechEncryption;
using JacobTechEncryption.Enums;
using Luski.net.Enums.Main;
using Luski.net.JsonTypes;
using Luski.Shared.PublicServers.V1.ServerToClient.HTTP;

namespace Luski.net.Structures.Main;

public class MainSocketChannel : STC
{
    [JsonInclude]
    [JsonPropertyName("id")]
    public long Id { get; internal set; } = default!;
    [JsonInclude]
    [JsonPropertyName("title")]
    public string Title { get; internal set; } = default!;
    [JsonInclude]
    [JsonPropertyName("description")]
    public string Description { get; internal set; } = default!;
    [JsonInclude]
    [JsonPropertyName("key")]
    public string Key { get; internal set; } = default!;
    [JsonPropertyName("type")]
    [JsonInclude]
    public ChannelType Type { get; internal set; } = default!;

    public MainServer Server { get; internal set; } = default!;
    
    [JsonPropertyName("members")]
    [JsonInclude]
    public long[] MemberIdList { get; internal set; } = default!;
    [JsonIgnore]
    public IReadOnlyList<IUser> Members
    {
        get
        {
            if (MemberIdList is null || MemberIdList.Length == 0) return Array.Empty<IUser>().ToList().AsReadOnly();
            if (_members is null || !_members.Any())
            {
                _members = new();
                foreach (long member in MemberIdList)
                {
                    if (member != Server.User.Id) _members.Add(Server.GetUser<MainSocketRemoteUser>(member, CancellationToken.None).Result);
                    else _members.Add(Server.User);
                }
            }
            return _members.AsReadOnly();
        }
    }
    [JsonIgnore]
    private List<IUser> _members = new();

    public Task SendKeysToUsers(CancellationToken CancellationToken)
    {
        if (Key is null)
        {
            StartKeyProcessAsync(CancellationToken).Wait();
            return Task.CompletedTask;
        }
        int num = Convert.ToInt32(Math.Ceiling((Environment.ProcessorCount * 50) * 2.0));
        if (num == 0) num = 1;
        string lkey = Server.EncryptionHandler.GetChannelKey(Id);
        Parallel.ForEach(Members, new ParallelOptions()
        {
            MaxDegreeOfParallelism = num
        }, i =>
        {
            if (i.Id != Server.User.Id)
            {
                long key = i.GetUserKeys(CancellationToken).Result.First().Id;
                if (true)
                {
                    WSSKeyExchange send = new()
                    {
                        to = i.Id,
                        channel = Id,
                        key = Convert.ToBase64String(Encryption.RSA.Encrypt(lkey, key.ToString(), EncoderType.UTF8))
                    };
                    Server.SendServerOld(send, WSSKeyExchangeContext.Default.WSSKeyExchange);
                }
            }
        });
        return Task.CompletedTask;
    }

    internal Task StartKeyProcessAsync(CancellationToken CancellationToken)
    {
        //TODO code key exchange
        /*
        ClientEncryption.GenerateNewKeys(out string Public, out string Private);
        Key = Public;
        HttpResponseMessage b;
        using (HttpClient web = new())
        {
            web.DefaultRequestHeaders.Add("token", Luski.net.Server.Token);
            b = web.PostAsync($"https://{Server.Domain}/{Server.ApiVersion}/SocketChannel/SetKey/{Id}", new StringContent(Key), CancellationToken).Result;
        }
        int num = Convert.ToInt32(Math.Ceiling((Environment.ProcessorCount * Luski.net.Server.Percent) * 2.0));
        if (num == 0) num = 1;
        Encryption.File.Channels.AddKey(Id, Private);
        Parallel.ForEach(Members, new ParallelOptions()
        {
            MaxDegreeOfParallelism = num
        }, i =>
        {
            if (i.Id != Luski.net.Server._user?.Id)
            {
                string key = i.GetUserKey(CancellationToken, Server).Result;
                if (!string.IsNullOrEmpty(key))
                {
                    WSSKeyExchange send = new()
                    {
                        to = i.Id,
                        channel = Id,
                        key = Convert.ToBase64String(Encryption.Encrypt(Private, key))
                    };
                    Luski.net.Server.SendServer(send, WSSKeyExchangeContext.Default.WSSKeyExchange);
                }
            }
        });*/
        return Task.CompletedTask;
    }
}

[JsonSerializable(typeof(MainSocketChannel))]
[JsonSourceGenerationOptions(
    GenerationMode = JsonSourceGenerationMode.Default,
    PropertyNamingPolicy = JsonKnownNamingPolicy.CamelCase,
    WriteIndented = false)]
internal partial class MainSocketChannelContext : JsonSerializerContext
{

}