package routing

import (
	"lishwist/api/db"
	"lishwist/rsvp"
	"net/http"
)

type foreignWishlistProps struct {
	CurrentUserId   string
	CurrentUserName string
	Username        string
	Gifts           []db.Gift
}

func ForeignWishlist(currentUser *db.User, h http.Header, r *rsvp.Request) rsvp.Response {
	userReference := r.PathValue("userReference")
	if currentUser.Reference == userReference {
		return rsvp.SeeOther("/")
	}
	otherUser, err := db.GetUserByReference(userReference)
	if err != nil {
		return rsvp.Error(http.StatusInternalServerError, "An error occurred while fetching this user :(").Log("Couldn't get user by reference %q: %s", userReference, err)
	}
	if otherUser == nil {
		return rsvp.Error(http.StatusInternalServerError, "User not found")
	}
	gifts, err := currentUser.GetOtherUserGifts(userReference)
	if err != nil {
		return rsvp.Error(http.StatusInternalServerError, "An error occurred while fetching this user :(").Log("%q couldn't get wishes of other user %q: %s", currentUser.Name, otherUser.Name, err)
	}
	p := foreignWishlistProps{CurrentUserId: currentUser.Id, CurrentUserName: currentUser.Name, Username: otherUser.Name, Gifts: gifts}
	return rsvp.Data("foreign_wishlist.gotmpl", p)
}

type publicWishlistProps struct {
	Username  string
	GiftCount int
}

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