package user

import (
	"fmt"
	"net/http"

	"github.com/golang-jwt/jwt/v5"
	"github.com/gorilla/mux"
	"sismedika.com/sas/westone/services/auth"
	"sismedika.com/sas/westone/types"
	"sismedika.com/sas/westone/utils"
)

type Handler struct {
	store      types.UserStore
	errorStore types.ErrorLogStore
}

func NewHandler(store types.UserStore, errorStore types.ErrorLogStore) *Handler {
	return &Handler{
		store:      store,
		errorStore: errorStore,
	}
}

func (h *Handler) RegisterRoutes(router *mux.Router) {
	router.HandleFunc("/login", h.handleLogin).Methods("POST")
	router.HandleFunc("/register", h.handleRegister).Methods("POST")

	// admin routes
	// router.HandleFunc("/users/{userID}", auth.WithJWTAuth(h.handleGetUser)).Methods(http.MethodGet)
}

func (h *Handler) handleLogin(w http.ResponseWriter, r *http.Request) {
	// var payload types.SignInPayload
	// if err := utils.ParseJSON(r, &payload); err != nil {
	// 	utils.WriteError(w, http.StatusBadRequest, err)
	// 	return
	// }

	// if err := utils.Validate.Struct(payload); err != nil {
	// 	errors := err.(validator.ValidationErrors)
	// 	utils.WriteError(w, http.StatusBadRequest, fmt.Errorf("invalid payload: %v", errors))
	// 	return
	// }

	// hashedPassword := auth.HashWithMD5(payload.Password)
	// response, err := h.store.SignIn(payload.Email, hashedPassword)
	// if err != nil {
	// 	var logError *utils.LogError
	// 	if errors.As(err, &logError) {
	// 		h.errorStore.CreateErrorLog(*logError)
	// 		utils.WriteErrorLog(w, http.StatusBadRequest, *logError)
	// 	}
	// 	return
	// }
	// // remoteAddr := r.RemoteAddr
	// // userAgent := r.UserAgent()
	// // response.IP = remoteAddr
	// // response.Agent = userAgent

	// secret := []byte(configs.Envs.JWTSecret)
	// token, err := auth.CreateJWT(secret, *response)
	// if err != nil {
	// 	utils.WriteError(w, http.StatusInternalServerError, err)
	// 	return
	// }

	// utils.WriteJSONLogin(w, http.StatusOK, response, token, "westone")
}

func (h *Handler) handleRegister(w http.ResponseWriter, r *http.Request) {
	// var user types.RegisterUserPayload
	// if err := utils.ParseJSON(r, &user); err != nil {
	// 	utils.WriteError(w, http.StatusBadRequest, err)
	// 	return
	// }

	// if err := utils.Validate.Struct(user); err != nil {
	// 	errors := err.(validator.ValidationErrors)
	// 	utils.WriteError(w, http.StatusBadRequest, fmt.Errorf("invalid payload: %v", errors))
	// 	return
	// }

	// // check if user exists
	// _, err := h.store.GetUserByEmail(user.Email)
	// if err == nil {
	// 	utils.WriteError(w, http.StatusBadRequest, fmt.Errorf("user with email %s already exists", user.Email))
	// 	return
	// }

	// // hash password
	// hashedPassword, err := auth.HashPassword(user.Password)
	// if err != nil {
	// 	utils.WriteError(w, http.StatusInternalServerError, err)
	// 	return
	// }

	// err = h.store.CreateUser(types.User{
	// 	FirstName: user.FirstName,
	// 	LastName:  user.LastName,
	// 	Email:     user.Email,
	// 	Password:  hashedPassword,
	// })
	// if err != nil {
	// 	utils.WriteError(w, http.StatusInternalServerError, err)
	// 	return
	// }

	// utils.WriteJSON(w, http.StatusCreated, nil)
}

func (h *Handler) handleGetUser(w http.ResponseWriter, r *http.Request) {
	claims, ok := r.Context().Value(auth.UserContextKey).(jwt.MapClaims)
	if !ok {
		utils.WriteError(w, http.StatusInternalServerError, fmt.Errorf("token not found in context"))
		return
	}

	email := claims["M_UserEmail"]

	utils.WriteJSON(w, http.StatusOK, email)
}