package handlers

import (
	"net/http"

	"github.com/go-chi/chi"
)

// HandleProfile returns a handler for the user profile page
func (h *Handlers) HandleProfile() http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		// Get username from URL
		requestedUsername := chi.URLParam(r, "username")
		if requestedUsername == "" {
			http.NotFound(w, r)
			return
		}

		// Get session
		sess, err := h.session.Get(r)
		if err != nil || !h.session.IsAuthenticated(sess) {
			// Redirect to login if not authenticated
			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
			return
		}

		// Get user info from session
		sessionUsername, ok := h.session.GetUsername(sess)
		if !ok {
			h.log.Error("authenticated session missing username")
			http.Error(w, "Internal server error", http.StatusInternalServerError)
			return
		}

		sessionUserID, ok := h.session.GetUserID(sess)
		if !ok {
			h.log.Error("authenticated session missing user ID")
			http.Error(w, "Internal server error", http.StatusInternalServerError)
			return
		}

		// For now, only allow users to view their own profile
		if requestedUsername != sessionUsername {
			http.Error(w, "Forbidden", http.StatusForbidden)
			return
		}

		// Prepare data for template
		data := map[string]interface{}{
			"User": &UserInfo{
				ID:       sessionUserID,
				Username: sessionUsername,
			},
		}

		// Render the profile page
		h.renderTemplate(w, r, "profile.html", data)
	}
}