package main

import (
	"github.com/gorilla/sessions"
)

func Must[T any](value T, err error) T {
	if err != nil {
		panic(err)
	}
	return value
}

func GetValue[K any, T any](session *sessions.Session, key K) (T, bool) {
	value, ok := session.Values[key]
	if !ok && value == nil {
		return *new(T), false
	}

	castedValue, ok := value.(T)
	if !ok {
		return *new(T), false
	}

	return castedValue, true
}

func GetValueDefault[K any, T any](session *sessions.Session, key K, defaultValue T) T {
	v, ok := GetValue[K, T](session, key)
	if !ok {
		return defaultValue
	}

	return v
}