window.CTCWP = (function (window, document, navigator) {
	var textArea,
		copy;

	function isOS() {
		return navigator.userAgent.match( /ipad|iphone/i );
	}

	function createTextArea(text) {
		textArea       = document.createElement( 'textArea' );
		textArea.value = text;
		document.body.appendChild( textArea );
	}

	function selectText() {
		var range,
			selection;

		if (isOS()) {
			range = document.createRange();
			range.selectNodeContents( textArea );
			selection = window.getSelection();
			selection.removeAllRanges();
			selection.addRange( range );
			textArea.setSelectionRange( 0, 999999 );
		} else {
			textArea.select();
		}
	}

	function copyToClipboard() {
		document.execCommand( 'copy' );
		document.body.removeChild( textArea );

		// Redirect to page.
		if ( typeof copyTheCode !== 'undefined' && copyTheCode.redirect_url ) {
			window.location.href = copyTheCode.redirect_url;
		}
	}

	copy = function (text) {
		createTextArea( text );
		selectText();
		copyToClipboard();
	}

	copySelection = function ( source ) {
		const selection = window.getSelection()
		const range     = document.createRange()
		range.selectNodeContents( source[0] )
		selection.removeAllRanges()
		selection.addRange( range )
		document.execCommand( 'copy' )
		selection.removeAllRanges()
	}

	return {
		copy: copy,
		copySelection: copySelection,
	};
})( window, document, navigator );