package system

import (
	"encoding/json"
	"net/http"

	"management/internal/db/model/dto"
	"management/internal/erpserver/biz"
	"management/internal/global/know"
	"management/internal/pkg/session"
	"management/internal/pkg/tpl"
)

type MenuHandler interface {
	MenuExpansion
}

type MenuExpansion interface {
	Menus(w http.ResponseWriter, r *http.Request)
}

type menuHandler struct {
	render  tpl.Renderer
	session session.ISession
	biz     biz.IBiz
}

var _ MenuHandler = (*menuHandler)(nil)

func NewMenuHandler(render tpl.Renderer, session session.ISession, biz biz.IBiz) *menuHandler {
	return &menuHandler{
		render:  render,
		session: session,
		biz:     biz,
	}
}

func (h *menuHandler) Menus(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()
	b := h.session.GetBytes(ctx, know.StoreName)
	var u dto.AuthorizeUser
	if err := json.Unmarshal(b, &u); err != nil {
		h.render.JSONERR(w, err.Error())
		return
	}
	menus, err := h.biz.SystemV1().MenuBiz().RecursiveSysMenus(ctx, u.RoleID)
	if err != nil {
		h.render.JSONERR(w, err.Error())
		return
	}

	h.render.JSON(w, menus)
}