/*! © Lokesh Babu - datatables.net/license */

/**
 * This data rendering helper method can be useful when a hyperLink with custom
 * anchorText has to rendered. The data for the column is still fully searchable and sortable, based on the hyperLink value,
 * and sortable, based on the hyperLink value, but during display in webpage is rendered with custom placeholder
 *
 * It accepts four parameters:
 *
 * 1. 'anchorText' -  type string - (optional - default `Click Here`)  - The custom placeholder to display
 * 2. 'location' -  type string - (optional - default `newTab`)
 * 		takes two values 'newTab' and 'popup'
 * 3. 'width' -  type integer - (optional - default `600`)
 *		The custom width of popup to display.
 *		Value is utilised on when 'location' is given as 'popup'.
 * 4. 'height' -  type integer - (optional - default `400`)
 *		The custom height of popup to display.
 *		Value is utilised on when 'location' is given as 'popup'.
 *
 *  @name HyperLink
 *  @summary Displays url data in hyperLink with custom placeholder
 *  @author Lokesh Babu
 *  @requires DataTables 3+
 *  @license MIT
 *
 *
 *  @example
 *    // Display the hyperlink with 'Click Here', which open hyperlink in new Tab or new Window based on Browser setting
 *    new DataTable('#myTable', {
 *      columnDefs: [ {
 *        targets: 1,
 *        render: DataTable.render.hyperLink()
 *      } ]
 *    } );
 *
 *  @example
 *    // Display the hyperlink with 'Download', which open hyperlink in new Tab or new Window based on Browser setting
 *    new DataTable('#myTable', {
 *      columnDefs: [ {
 *        targets: 2,
 *        render: DataTable.render.hyperLink( 'Download' )
 *      } ]
 *    } );
 *
 *  @example
 *    // Display the hyperlink with 'Download', which open hyperlink in popup
 *    // with size 600as width and 400 as height
 *    new DataTable('#myTable', {
 *      columnDefs: [ {
 *        targets: 2,
 *        render: DataTable.render.hyperLink( 'Download', 'popup' )
 *      } ]
 *    } );
 *
 *  @example
 *    // Display the hyperlink with 'Download', which open hyperlink in popup
 *    // with size 1000 width and 500 as height
 *    new DataTable('#myTable', {
 *      columnDefs: [ {
 *        targets: 2,
 *        render: DataTable.render.hyperLink( 'Download', 'popup' , 1000, 500)
 *      } ]
 *    } );
 */

import DataTable from 'datatables.net';

declare module 'datatables.net' {
	interface DataTablesStaticRender {
		/** Displays url data in hyperLink with custom plcaeholder */
		hyperLink(
			anchorText: 'newTab' | 'popup' | string,
			location: string,
			width: number,
			height: number
		): any;
	}
}

DataTable.render.hyperLink = function (
	anchorText: string,
	location: string,
	widthIn?: number,
	heightIn?: number
) {
	var validateAndReturnDefaultIfFailed: (
		item: any,
		defaultValue: any
	) => number = function (item, defaultValue) {
		if (typeof item === 'number') {
			return item;
		}

		if (typeof item === 'string') {
			return parseInt(item) ? item : defaultValue;
		}

		return defaultValue;
	};

	var anchorText = anchorText || 'Click Here';
	var location = location || 'newTab';
	var width = validateAndReturnDefaultIfFailed(widthIn, 600);
	var height = validateAndReturnDefaultIfFailed(heightIn, 400);

	return function (data: any, type: string, row: any) {
		// restriction only for table display rendering
		if (type !== 'display') {
			return data;
		}

		var url = data;

		try {
			url = new URL(data);

			switch (location) {
				case 'newTab':
					return (
						'<a title="' +
						url +
						'" href="' +
						url +
						'" target="_blank">' +
						anchorText +
						'</a>'
					);

				case 'popup':
					return (
						'<a title="' +
						url +
						'" href="' +
						url +
						'" target="popup" rel="noopener noreferrer" onclick="window.open(\'' +
						url +
						"', '" +
						anchorText +
						"', 'width=" +
						width +
						',height=' +
						height +
						'\'); return false;">' +
						anchorText +
						'</a>'
					);

				default:
					return (
						'<a title="' +
						url +
						'" href="' +
						url +
						'" target="_blank">' +
						anchorText +
						'</a>'
					);
			}
		} catch (e) {
			return url;
		}
	};
};