# atec-webp NGINX rules
# Place this inside your NGINX server block, or include it manually

location ~* ^/wp-content/uploads/(.+)\.(jpe?g|png|gif|bmp)$ {
	set $img_uri $uri;

	# 1. Serve .Xwebp.webp if it exists
	set $webp_x "$img_uri.Xwebp.webp";
	if (-f $document_root$webp_x) {
		add_header Vary "Accept";
		add_header Content-Type image/webp;
		return 200 $webp_x;
	}

	# 2. Serve .webp if it exists
	set $webp "$img_uri.webp";
	if (-f $document_root$webp) {
		add_header Vary "Accept";
		add_header Content-Type image/webp;
		return 200 $webp;
	}

	# 3. Fallback to dynamic converter
	rewrite ^/wp-content/uploads/(.+\.(jpe?g|png|gif|bmp))$ /wp-content/plugins/atec-webp/img2webp.php?src=$1 last;
}