package routing

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

func WishlistAdd(app *lishwist.Session, h http.Header, r *response.Request) response.Response {
	form := r.ParseForm()
	newGiftName := form.Get("gift_name")
	err := app.MakeWish(newGiftName)
	if err != nil {
		return response.Error(http.StatusInternalServerError, "Failed to add gift.").LogError(err)
	}
	return response.SeeOther("/")
}

func WishlistDelete(app *lishwist.Session, h http.Header, r *response.Request) response.Response {
	form := r.ParseForm()
	targets := form["gift"]
	err := app.RevokeWishes(targets...)
	if err != nil {
		return response.Error(http.StatusInternalServerError, "Failed to remove gifts.").LogError(err)
	}
	return response.SeeOther("/")
}

func ForeignWishlistPost(app *lishwist.Session, h http.Header, r *response.Request) response.Response {
	form := r.ParseForm()
	userReference := r.PathValue("userReference")
	intent := form.Get("intent")
	switch intent {
	case "claim":
		claims := form["unclaimed"]
		unclaims := form["claimed"]
		err := app.ClaimWishes(claims, unclaims)
		if err != nil {
			return response.Error(http.StatusInternalServerError, "Failed to update claim...").LogError(err)
		}
	case "complete":
		claims := form["claimed"]
		err := app.CompleteWishes(claims)
		if err != nil {
			return response.Error(http.StatusInternalServerError, "Failed to complete gifts...").LogError(err)
		}
	case "add":
		wishName := form.Get("gift_name")
		if wishName == "" {
			return response.Error(http.StatusBadRequest, "Gift name not provided")
		}
		err := app.SuggestWishForUser(userReference, wishName)
		if err != nil {
			return response.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 := app.RecindWishesForUser(gifts...)
		if err != nil {
			return response.Error(http.StatusInternalServerError, "Failed to remove gift idea for other user...").LogError(err)
		}
	default:
		return response.Error(http.StatusBadRequest, "Invalid intent %q", intent)
	}
	return response.SeeOther("/list/" + userReference)
}