package handler

import (
	"affiliate_dash/internal/middleware"
	"affiliate_dash/internal/pkg/response"
	"affiliate_dash/internal/service"

	"github.com/gin-gonic/gin"
)

type AuthHandler struct {
	svc *service.AuthService
}

func NewAuthHandler(svc *service.AuthService) *AuthHandler {
	return &AuthHandler{svc: svc}
}

type loginReq struct {
	Username string `json:"username" binding:"required"`
	Password string `json:"password" binding:"required"`
}

func (h *AuthHandler) Login(c *gin.Context) {
	var req loginReq
	if err := c.ShouldBindJSON(&req); err != nil {
		response.BadRequest(c, "请输入用户名和密码")
		return
	}
	result, err := h.svc.Login(req.Username, req.Password)
	if err != nil {
		response.BadRequest(c, err.Error())
		return
	}
	response.OK(c, result)
}

type registerReq struct {
	Username string `json:"username" binding:"required,min=3,max=32"`
	Password string `json:"password" binding:"required,min=6,max=64"`
	Nickname string `json:"nickname"`
}

func (h *AuthHandler) Register(c *gin.Context) {
	var req registerReq
	if err := c.ShouldBindJSON(&req); err != nil {
		response.BadRequest(c, "参数错误：用户名至少3位，密码至少6位")
		return
	}
	user, err := h.svc.Register(req.Username, req.Password, req.Nickname)
	if err != nil {
		response.BadRequest(c, err.Error())
		return
	}
	response.OK(c, user)
}

func (h *AuthHandler) Profile(c *gin.Context) {
	user, err := h.svc.GetProfile(middleware.GetUserID(c))
	if err != nil {
		response.NotFound(c, "用户不存在")
		return
	}
	response.OK(c, user)
}