package handler

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

	"github.com/google/uuid"
	"github.com/zs/InsightReply/internal/model"
	"github.com/zs/InsightReply/internal/service"
)

type ProductProfileHandler struct {
	svc *service.ProductProfileService
}

func NewProductProfileHandler(svc *service.ProductProfileService) *ProductProfileHandler {
	return &ProductProfileHandler{svc: svc}
}

func (h *ProductProfileHandler) GetProfile(w http.ResponseWriter, r *http.Request) {
	userID := r.Context().Value("userID").(string)

	profile, err := h.svc.GetProfile(userID)
	if err != nil {
		SendError(w, http.StatusNotFound, 4004, "Product profile not found")
		return
	}

	SendSuccess(w, profile)
}

func (h *ProductProfileHandler) SaveProfile(w http.ResponseWriter, r *http.Request) {
	userIDStr := r.Context().Value("userID").(string)
	userID, err := uuid.Parse(userIDStr)
	if err != nil {
		SendError(w, http.StatusUnauthorized, 4010, "Invalid user ID")
		return
	}

	var profile model.UserProductProfile
	if err := json.NewDecoder(r.Body).Decode(&profile); err != nil {
		SendError(w, http.StatusBadRequest, 4001, "Invalid request body")
		return
	}

	profile.UserID = userID // Ensure user cannot overwrite other's profile

	if err := h.svc.SaveProfile(&profile); err != nil {
		SendError(w, http.StatusInternalServerError, 5001, "Failed to save product profile")
		return
	}

	SendSuccess(w, profile)
}