using System.Security.Claims;
using System.Text;
using JWTHelper;
using Microsoft.AspNetCore.Mvc;

namespace FishGameHost.Controllers;

[ApiController]
[Route("api/[controller]")]
public class PlayerController : ControllerBase
{
    private readonly JwtTools _jwtTools;

    public PlayerController(JwtTools jwtTools)
    {
        _jwtTools = jwtTools;
    }

    /// <summary>
    /// 玩家登录 - 生成 JWT token 并返回玩家基础信息（调试用）
    /// </summary>
    [HttpPost("login")]
    public IActionResult Login([FromBody] PlayerLoginRequest request)
    {
        if (string.IsNullOrWhiteSpace(request.UserId))
            request.UserId = "u_" + DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
        if (string.IsNullOrWhiteSpace(request.Nickname))
            request.Nickname = "玩家";

        var userIdReversed = Reverse(request.UserId);
        var claims = new[]
        {
            new Claim("uid", userIdReversed),
            new Claim("uname", request.Nickname),
        };
        var token = _jwtTools.CreateToken(claims);

        return Ok(new
        {
            code = 200,
            data = new
            {
                token,
                player = new
                {
                    userId = request.UserId,
                    playerId = 1,
                    nickname = request.Nickname,
                    gold = 100000L,
                    diamond = 1000,
                    playerlvl = 1,
                    viplvl = 0
                }
            }
        });
    }

    private static string Reverse(string s)
    {
        var arr = s.ToCharArray();
        Array.Reverse(arr);
        return new string(arr);
    }
}

public class PlayerLoginRequest
{
    public string? UserId { get; set; }
    public string? Nickname { get; set; }
}