Client Packet Reference

using System;
using System.Collections.Generic;
using System.Text.Json.Serialization;
using MessagePack;

namespace Altruist.Client
{
    // ── Envelope ──────────────────────────────────────
    [MessagePackObject]
    public class PacketHeader
    {
        [Key(0)][JsonPropertyName("sender")] public string Sender { get; set; } = "";
        [Key(1)][JsonPropertyName("receiver")] public string Receiver { get; set; } = "";
    }

    [MessagePackObject]
    public class MessageEnvelope
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; }
        [Key(1)][JsonPropertyName("header")] public PacketHeader Header { get; set; } = new();
        [Key(2)][JsonPropertyName("message")] public object? Message { get; set; }
    }

    // ── Message Codes ─────────────────────────────────
    public static class PacketCodes
    {
        public const uint Text = 1;
        public const uint Sync = 3;
        public const uint Altruist = 4;       // Event routing
        public const uint Success = 5;
        public const uint Failed = 6;
        public const uint HandshakeRequest = 7;
        public const uint HandshakeResponse = 8;
        public const uint JoinGame = 9;
        public const uint LeaveGame = 10;
        public const uint Room = 11;
        public const uint SessionAuth = 12;
    }

    // ── Server → Client ───────────────────────────────
    [MessagePackObject]
    public class HandshakeResponse
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; }
        [Key(1)][JsonPropertyName("rooms")] public RoomInfo[] Rooms { get; set; } = Array.Empty<RoomInfo>();
    }

    [MessagePackObject]
    public class RoomInfo
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; }
        [Key(1)][JsonPropertyName("id")] public string Id { get; set; } = "";
        [Key(2)][JsonPropertyName("maxCapacity")] public uint MaxCapacity { get; set; }
        [Key(3)][JsonPropertyName("connectionIds")] public HashSet<string> ConnectionIds { get; set; } = new();
    }

    [MessagePackObject]
    public class SuccessPacket
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; }
        [Key(1)][JsonPropertyName("code")] public int Code { get; set; }
        [Key(2)][JsonPropertyName("payload")] public object? Payload { get; set; }
    }

    [MessagePackObject]
    public class FailedPacket
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; }
        [Key(1)][JsonPropertyName("code")] public int Code { get; set; }
        [Key(2)][JsonPropertyName("reason")] public string Reason { get; set; } = "";
    }

    [MessagePackObject]
    public class SyncPacket
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; }
        [Key(1)][JsonPropertyName("entityType")] public string EntityType { get; set; } = "";
        [Key(2)][JsonPropertyName("data")] public Dictionary<string, object?> Data { get; set; } = new();
    }

    [MessagePackObject]
    public class LeaveGamePacket
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; }
        [Key(1)][JsonPropertyName("clientId")] public string ClientId { get; set; } = "";
    }

    // Combat (when using AltruistCombatPortal)
    [MessagePackObject]
    public class DamagePacket
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; }
        [Key(1)][JsonPropertyName("vid")] public uint VID { get; set; }
        [Key(2)][JsonPropertyName("flags")] public byte Flags { get; set; }
        [Key(3)][JsonPropertyName("damage")] public int Damage { get; set; }
    }

    [MessagePackObject]
    public class DeathPacket
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; }
        [Key(1)][JsonPropertyName("vid")] public uint VID { get; set; }
    }

    [MessagePackObject]
    public class TargetPacket
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; }
        [Key(1)][JsonPropertyName("vid")] public uint VID { get; set; }
        [Key(2)][JsonPropertyName("hpPercent")] public byte HPPercent { get; set; }
    }

    // ── Client → Server ───────────────────────────────
    [MessagePackObject]
    public class HandshakeRequest
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; } = PacketCodes.HandshakeRequest;
        [Key(1)][JsonPropertyName("token")] public string Token { get; set; } = "";
    }

    [MessagePackObject]
    public class JoinGameRequest
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; } = PacketCodes.JoinGame;
        [Key(1)][JsonPropertyName("name")] public string Name { get; set; } = "";
        [Key(2)][JsonPropertyName("roomId")] public string? RoomId { get; set; }
        [Key(3)][JsonPropertyName("world")] public int? WorldIndex { get; set; } = 0;
        [Key(4)][JsonPropertyName("position")] public float[]? Position { get; set; } = new[] { 0f, 0f };
    }

    [MessagePackObject]
    public class EventPacket
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; } = PacketCodes.Altruist;
        [Key(1)][JsonPropertyName("event")] public string Event { get; set; } = "";
    }

    // Combat (when using AltruistCombatPortal)
    [MessagePackObject]
    public class AttackPacket
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; } = PacketCodes.Altruist;
        [Key(1)][JsonPropertyName("type")] public byte Type { get; set; }
        [Key(2)][JsonPropertyName("targetVID")] public uint TargetVID { get; set; }
    }

    [MessagePackObject]
    public class TargetRequestPacket
    {
        [Key(0)][JsonPropertyName("messageCode")] public uint MessageCode { get; set; } = PacketCodes.Altruist;
        [Key(1)][JsonPropertyName("vid")] public uint VID { get; set; }
    }

    // Auth (HTTP JSON responses)
    public class LoginResponse
    {
        [JsonPropertyName("accessToken")] public string AccessToken { get; set; } = "";
        [JsonPropertyName("refreshToken")] public string RefreshToken { get; set; } = "";
    }

    public class UpgradeResponse
    {
        [JsonPropertyName("accessToken")] public string AccessToken { get; set; } = "";
        [JsonPropertyName("refreshToken")] public string RefreshToken { get; set; } = "";
        [JsonPropertyName("accessExpiration")] public DateTime AccessExpiration { get; set; }
        [JsonPropertyName("refreshExpiration")] public DateTime RefreshExpiration { get; set; }
    }
}