package routing

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

func WishlistAdd(currentUser *db.User, h http.Header, r *rsvp.Request) rsvp.Response {
	form := r.ParseForm()
	newGiftName := form.Get("gift_name")
	err := currentUser.AddGift(newGiftName)
	if err != nil {
		return rsvp.Error(http.StatusInternalServerError, "Failed to add gift.").LogError(err)
	}
	return rsvp.SeeOther("/")
}

func WishlistDelete(currentUser *db.User, h http.Header, r *rsvp.Request) rsvp.Response {
	form := r.ParseForm()
	targets := form["gift"]
	err := currentUser.RemoveGifts(targets...)
	if err != nil {
		return rsvp.Error(http.StatusInternalServerError, "Failed to remove gifts.").LogError(err)
	}
	return rsvp.SeeOther("/")
}

func ForeignWishlistPost(currentUser *db.User, h http.Header, r *rsvp.Request) rsvp.Response {
	form := r.ParseForm()
	userReference := r.PathValue("userReference")
	intent := form.Get("intent")
	switch intent {
	case "claim":
		claims := form["unclaimed"]
		unclaims := form["claimed"]
		err := currentUser.ClaimGifts(claims, unclaims)
		if err != nil {
			return rsvp.Error(http.StatusInternalServerError, "Failed to update claim...").LogError(err)
		}
	case "complete":
		claims := form["claimed"]
		err := currentUser.CompleteGifts(claims)
		if err != nil {
			return rsvp.Error(http.StatusInternalServerError, "Failed to complete gifts...").LogError(err)
		}
	case "add":
		giftName := form.Get("gift_name")
		if giftName == "" {
			return rsvp.Error(http.StatusBadRequest, "Gift name not provided")
		}
		err := currentUser.AddGiftToUser(userReference, giftName)
		if err != nil {
			return rsvp.Error(http.StatusInternalServerError, "Failed to add gift idea to other user...").LogError(err)
		}
	case "delete":
		claims := form["unclaimed"]
		unclaims := form["claimed"]
		gifts := append(claims, unclaims...)
		err := currentUser.RemoveGifts(gifts...)
		if err != nil {
			return rsvp.Error(http.StatusInternalServerError, "Failed to remove gift idea for other user...").LogError(err)
		}
	default:
		return rsvp.Error(http.StatusBadRequest, "Invalid intent %q", intent)
	}
	return rsvp.SeeOther("/list/" + userReference)
}