package controller

import (
	"net/http"

	"github.com/gin-gonic/gin"

	"nl-pms-api/internal/commonservice"
	"nl-pms-api/internal/middleware"
	"nl-pms-api/internal/service"
)

// AuthController 认证相关 HTTP 绑定。
type AuthController struct {
	Svc *service.AuthService
}

func (h *AuthController) Register(c *gin.Context) {
	var req struct {
		Username string `json:"username"`
		Password string `json:"password"`
	}
	if !bindJSON(c, &req) {
		return
	}
	if err := h.Svc.Register(req.Username, req.Password); err != nil {
		writeErr(c, err)
		return
	}
	c.JSON(http.StatusOK, gin.H{"ok": true})
}

func (h *AuthController) Login(c *gin.Context) {
	var req struct {
		Username string `json:"username"`
		Password string `json:"password"`
	}
	if !bindJSON(c, &req) {
		return
	}
	out, err := h.Svc.Login(req.Username, req.Password, middleware.ClientIP(c))
	if err != nil {
		writeErr(c, err)
		return
	}
	c.JSON(http.StatusOK, out)
}

func (h *AuthController) Refresh(c *gin.Context) {
	var req struct {
		RefreshToken string `json:"refreshToken"`
	}
	if !bindJSON(c, &req) {
		return
	}
	out, err := h.Svc.Refresh(req.RefreshToken, middleware.ClientIP(c))
	if err != nil {
		writeErr(c, err)
		return
	}
	c.JSON(http.StatusOK, out)
}

func (h *AuthController) ChangePassword(c *gin.Context) {
	var req struct {
		OldPassword string `json:"oldPassword"`
		NewPassword string `json:"newPassword"`
	}
	if !bindJSON(c, &req) {
		return
	}
	if err := h.Svc.ChangePassword(commonservice.UserID(c), req.OldPassword, req.NewPassword); err != nil {
		writeErr(c, err)
		return
	}
	c.JSON(http.StatusOK, gin.H{"ok": true})
}