using FastEndpoints;
using Fengling.Backend.Domain.AggregatesModel.AdminAggregate;
using Fengling.Backend.Web.Application.Commands.AdminAuth;

namespace Fengling.Backend.Web.Endpoints.AdminAuth;

/// <summary>
/// 管理员登录请求
/// </summary>
public record AdminLoginRequest(string Username, string Password);

/// <summary>
/// 管理员登录响应
/// </summary>
public record AdminLoginResponseDto(AdminId AdminId, string Username, string Token, DateTime ExpiresAt);

/// <summary>
/// 管理员登录端点
/// </summary>
[Tags("AdminAuth")]
[HttpPost("/api/admin/auth/login")]
[AllowAnonymous]
public class AdminLoginEndpoint(IMediator mediator)
    : Endpoint<AdminLoginRequest, ResponseData<AdminLoginResponseDto>>
{
    public override async Task HandleAsync(AdminLoginRequest req, CancellationToken ct)
    {
        var command = new AdminLoginCommand(req.Username, req.Password);
        var response = await mediator.Send(command, ct);
        
        var dto = new AdminLoginResponseDto(
            response.AdminId,
            response.Username,
            response.Token,
            response.ExpiresAt);

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