(function()
{
	if( !location.href.startsWith( 'https://store.steampowered.com/account/licenses' ) )
	{
		alert( 'Please run this on Steam\'s account licenses page.' );

		window.location = 'https://store.steampowered.com/account/licenses/';

		return;
	}

	let freePackages = new Set( [
251040
251041
21230
	] );

	[ ...document.querySelectorAll( 'a[href^="javascript:RemoveFreeLicense"]' ) ].forEach( ( element ) =>
	{
		const match = element.href.match( /javascript:RemoveFreeLicense\( ([0-9]+), '/ );

		if( match !== null )
		{
			freePackages.delete( +match[ 1 ] );
		}
	} );

	let loaded = 0;
	let modal = window.ShowBlockingWaitDialog(
		'Executing…',
		'Please wait until all requests finish. Ignore all the errors, let it finish.'
	);

	const fetched = ( res ) =>
	{
		modal.Dismiss();

		if( ++loaded >= freePackages.length )
		{
			modal = window.ShowBlockingWaitDialog(
				'Reloading…',
				'Keep in mind only 50 packages can be activated per hour.'
			);

			location.reload();
		}
		else
		{
			modal = window.ShowBlockingWaitDialog(
				'Executing…',
				`Loaded <b>${loaded}</b>/${freePackages.length}.`
			);
		}
	};

	freePackages = [ ...freePackages ].slice( -50 );

	for( const subid of freePackages )
	{
		window.jQuery.post(
			'https://store.steampowered.com/checkout/addfreelicense/' + subid,
			{
				ajax: true,
				sessionid: window.g_sessionID,
			}
		).always( fetched );
	}
}());