package admin

import (
	"context"

	systemv1 "service.xpcool.com/api/admin/v1/system"
	"service.xpcool.com/internal/model/dto"
	"service.xpcool.com/internal/service"
)

// AuthController exposes only the public login endpoint.
type AuthController struct{}

// NewAuth creates the public admin auth controller (login only).
func NewAuth() *AuthController { return &AuthController{} }

// Login authenticates an administrator and issues a token pair.
func (c *AuthController) Login(ctx context.Context, req *systemv1.LoginReq) (res *systemv1.LoginRes, err error) {
	p, id, err := service.AdminAuth().Login(ctx, dto.AdminLoginInput{Username: req.Username, Password: req.Password})
	if err != nil {
		return nil, err
	}
	return &systemv1.LoginRes{AccessToken: p.AccessToken, RefreshToken: p.RefreshToken, ExpiresIn: p.ExpiresIn, AdminID: id}, nil
}