(function( $ ) {
    $( document ).ready( function() {
        $( document ).on( 'submit', '.adv-search-form, .search-form', function( e ) {
            const input = $( this ).find( 'input[name=s]' );
            // We've found something that isn't likely a WordPress search
            if ( input.length === 0 ) {
                return;
            }

            let keywords = $.parseHTML( input.val() );
            const urlParams = new URLSearchParams( window.location.search );
            let args = {
                'type': $(this).find('select[id=type]').val() || '0',
                'channel': $(this).find('select[id=channel]').val() || '0',
                'sort_results': $( this ).find( '#sort_results_rel' ).prop( "checked" ) ? 'rel' : 'date_desc',
            };

            const fromInput = $( this ).find( 'input[name=from]' );
            if ( urlParams.get( 'from' ) !== '' || fromInput.val() !== '' ) {
                args.from = $( this ).find( 'input[name=from]' ).val();
            }
            keywords = $( keywords ).text();

            // Assign rather than replace so history still works.
            window.location.assign( '/search/' + keywords + (keywords ? '/?' : '?') + $.param( args ) );
            e.preventDefault();
        } );
    } );
})( window.jQuery || window.Zepto );