package handlers

import (
	"net/http"

	"shop/internal/auth"
)

type AccountHandler struct {
	pages *Pages
	auth  *auth.Service
}

func NewAccountHandler(pages *Pages, authSvc *auth.Service) *AccountHandler {
	return &AccountHandler{pages: pages, auth: authSvc}
}

type accountPageData struct {
	Layout
	Name string
}

func (h *AccountHandler) Account(w http.ResponseWriter, r *http.Request) {
	user, err := h.auth.UserFromRequest(r.Context(), r)
	if err != nil || user == nil {
		http.Redirect(w, r, "/login?next=/account", http.StatusSeeOther)
		return
	}

	switch r.Method {
	case http.MethodGet:
		data := accountPageData{
			Layout: h.pages.layout(r, "Личный кабинет", "account"),
			Name:   user.Name,
		}
		data.Success = flashMsg(r, "ok")
		h.pages.render(w, "account.html", data)
	case http.MethodPost:
		h.updateProfile(w, r)
	default:
		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
	}
}

func (h *AccountHandler) updateProfile(w http.ResponseWriter, r *http.Request) {
	user, _ := h.auth.UserFromRequest(r.Context(), r)
	if user == nil {
		http.Redirect(w, r, "/login", http.StatusSeeOther)
		return
	}
	if err := r.ParseForm(); err != nil {
		http.Redirect(w, r, "/account", http.StatusSeeOther)
		return
	}
	name := r.FormValue("name")
	if err := h.auth.UpdateName(r.Context(), user.ID, name); err != nil {
		data := accountPageData{
			Layout: h.pages.layout(r, "Личный кабинет", "account"),
			Name:   name,
		}
		data.Error = err.Error()
		h.pages.render(w, "account.html", data)
		return
	}
	http.Redirect(w, r, "/account?ok=profile", http.StatusSeeOther)
}