package routing

import (
	lishwist "lishwist/core"
	"lishwist/http/response"
	"log"
	"net/http"

	"github.com/Teajey/rsvp"
)

type foreignWishlistProps struct {
	CurrentUserId   string
	CurrentUserName string
	Username        string
	Gifts           []lishwist.Wish
}

func ForeignWishlist(app *lishwist.Session, h http.Header, r *http.Request) rsvp.Response {
	userReference := r.PathValue("userReference")
	if app.User.Reference == userReference {
		return rsvp.Found("/", "You're not allowed to view your own wishlist!")
	}
	otherUser, err := lishwist.GetUserByReference(userReference)
	if err != nil {
		log.Printf("Couldn't get user by reference %q: %s\n", userReference, err)
		return response.Error(http.StatusInternalServerError, "An error occurred while fetching this user :(")
	}
	if otherUser == nil {
		return response.Error(http.StatusInternalServerError, "User not found")
	}
	wishes, err := app.GetOthersWishes(userReference)
	if err != nil {
		log.Printf("%q couldn't get wishes of other user %q: %s\n", app.User.Name, otherUser.Name, err)
		return response.Error(http.StatusInternalServerError, "An error occurred while fetching this user :(")
	}
	p := foreignWishlistProps{CurrentUserId: app.User.Id, CurrentUserName: app.User.Name, Username: otherUser.Name, Gifts: wishes}
	return response.Data("foreign_wishlist.gotmpl", p)
}

type publicWishlistProps struct {
	Username  string
	GiftCount int
}

func PublicWishlist(s *response.Session, h http.Header, r *http.Request) rsvp.Response {
	userReference := r.PathValue("userReference")
	otherUser, err := lishwist.GetUserByReference(userReference)
	if err != nil {
		log.Printf("Couldn't get user by reference %q on public wishlist: %s\n", userReference, err)
		return response.Error(http.StatusInternalServerError, "An error occurred while fetching this user :(")
	}
	if otherUser == nil {
		return response.Error(http.StatusInternalServerError, "User not found")
	}
	giftCount, err := otherUser.WishCount()
	if err != nil {
		log.Printf("Couldn't get wishes of user %q on public wishlist: %s\n", otherUser.Name, err)
		return response.Error(http.StatusInternalServerError, "An error occurred while fetching this user :(")
	}
	p := publicWishlistProps{Username: otherUser.Name, GiftCount: giftCount}
	return response.Data("public_foreign_wishlist.gotmpl", p)
}