using FastEndpoints;
using Fengling.Backend.Domain.AggregatesModel.AdminAggregate;
using Fengling.Backend.Web.Application.Queries.AdminAuth;
using System.Security.Claims;

namespace Fengling.Backend.Web.Endpoints.AdminAuth;

/// <summary>
/// 获取当前管理员端点
/// </summary>
[Tags("AdminAuth")]
// [HttpGet("/api/admin/auth/me")]
public class GetCurrentAdminEndpoint(IMediator mediator)
    : EndpointWithoutRequest<ResponseData<AdminDto>>
{
    public override void Configure()
    {
        Get("/api/admin/auth/me");
        Tags("AdminAuth");
        Description(x => x.WithTags("AdminAuth"));
    }

    public override async Task HandleAsync(CancellationToken ct)
    {
        // 从 JWT Claims 中提取 AdminId
        var adminIdClaim = HttpContext.User.FindFirst(ClaimTypes.NameIdentifier)?.Value;
        
        if (string.IsNullOrEmpty(adminIdClaim) || !Guid.TryParse(adminIdClaim, out var adminGuid))
        {
            await Send.UnauthorizedAsync(ct);
            return;
        }

        var adminId = new AdminId(adminGuid);
        var query = new GetCurrentAdminQuery(adminId);
        var admin = await mediator.Send(query, ct);

        await Send.OkAsync(admin.AsResponseData(), ct);
    }
}