package handler

import (
	"photowall/internal/middleware"
	"photowall/internal/model"
	"photowall/internal/service"
	"photowall/pkg/response"
	"strconv"

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

type MenuHandler struct {
	menu *service.MenuService
}

func NewMenuHandler(menu *service.MenuService) *MenuHandler {
	return &MenuHandler{menu: menu}
}

// GetUserMenus GET /api/menus 获取当前用户的菜单树（动态路由用）
func (h *MenuHandler) GetUserMenus(c *gin.Context) {
	isAdmin := middleware.CurrentRole(c) == "admin"
	tree, err := h.menu.GetMenuTree(isAdmin)
	if err != nil {
		response.Internal(c, "获取菜单失败")
		return
	}
	response.OK(c, tree)
}

// GetAll GET /api/admin/menus 获取所有菜单（管理用）
func (h *MenuHandler) GetAll(c *gin.Context) {
	list, err := h.menu.GetAll()
	if err != nil {
		response.Internal(c, "获取菜单失败")
		return
	}
	response.OK(c, list)
}

// Create POST /api/admin/menus 创建菜单
func (h *MenuHandler) Create(c *gin.Context) {
	var m model.Menu
	if err := c.ShouldBindJSON(&m); err != nil {
		response.BadRequest(c, "参数错误："+err.Error())
		return
	}
	if err := h.menu.Create(&m); err != nil {
		response.Internal(c, "创建菜单失败")
		return
	}
	response.Created(c, m)
}

// Update PUT /api/admin/menus/:id 更新菜单
func (h *MenuHandler) Update(c *gin.Context) {
	id, _ := strconv.Atoi(c.Param("id"))
	var m model.Menu
	if err := c.ShouldBindJSON(&m); err != nil {
		response.BadRequest(c, "参数错误："+err.Error())
		return
	}
	m.ID = uint(id)
	if err := h.menu.Update(&m); err != nil {
		response.Internal(c, "更新菜单失败")
		return
	}
	response.OK(c, m)
}

// Delete DELETE /api/admin/menus/:id 删除菜单
func (h *MenuHandler) Delete(c *gin.Context) {
	id, _ := strconv.Atoi(c.Param("id"))
	if err := h.menu.Delete(uint(id)); err != nil {
		response.Internal(c, "删除菜单失败")
		return
	}
	response.OK(c, gin.H{"message": "删除成功"})
}