/* Copyright (c) 2015-present, salesforce.com, inc. All rights reserved */
/* Licensed under BSD 3-Clause - see LICENSE.txt or git.io/sfdc-license */

// # Illustration Component

// Based on SLDS v2.6.2

// ## Dependencies

// ### React
import React from 'react';
import PropTypes from 'prop-types';

// This component's `checkProps` which issues warnings to developers about properties
// when in development mode (similar to React's built in development tools)
import checkProps from './check-props';

// ### classNames
// [github.com/JedWatson/classnames](https://github.com/JedWatson/classnames)
// A simple javascript utility for conditionally joining classNames together.
import classNames from '../../utilities/class-names';

// ## SVG
import Svg from '../utilities/utility-icon/svg';

// ## Constants
import { ILLUSTRATION } from '../../utilities/constants';
import componentDoc from './component.json';

const sanitizePath = (path) => {
	if (!path || typeof path !== 'string') {
		return undefined;
	}

	// Remove control characters, null bytes, and normalize whitespace
	const normalizedPath = path
		.replace(/[\x00-\x1f\x7f]/g, '') // eslint-disable-line no-control-regex
		.trim()
		.toLowerCase();

	const dangerousProtocols = [
		'javascript:', // eslint-disable-line no-script-url
		'data:',
		'vbscript:',
		'file:',
		'blob:',
	];

	const isDangerous = dangerousProtocols.some((protocol) =>
		normalizedPath.startsWith(protocol)
	);

	if (isDangerous) {
		// eslint-disable-next-line no-console
		console.log(
			`Illustration: Blocked potentially unsafe path "${path}". Only http, https, relative paths, and fragment identifiers are allowed.`
		);
		return undefined;
	}

	return path;
};

/**
 * An illustration is an image and inline text that work in tandem to communicate a state in a more friendly way.
 */
const Illustration = ({
	className,
	illustration,
	heading,
	messageBody,
	name,
	path,
	internalIllustration = true,
	size = 'small',
	style = {},
	...rest
}) => {
	checkProps(
		'Illustration',
		{
			className,
			illustration,
			heading,
			messageBody,
			name,
			path,
			size,
			style,
			internalIllustration,
			...rest,
		},
		componentDoc
	);
	const kababCaseName = name ? name.replace(/_| /g, '-').toLowerCase() : '';
	const styles = { ...style };
	let illustrationSvg;

	// large illustration svg should have a default height of 400px if not already specified
	if (size === 'large' && !styles.height) {
		styles.height = '400px';
	}

	if (illustration) {
		// Use SVG data passed in with `illustration` prop
		illustrationSvg = (
			<Svg
				className="slds-illustration__svg"
				aria-hidden="true"
				data={illustration}
				name={kababCaseName}
				style={styles}
			/>
		);
	} else if (path) {
		const safePath = sanitizePath(path);
		if (safePath) {
			illustrationSvg = (
				<svg
					className="slds-illustration__svg"
					aria-hidden="true"
					name={kababCaseName}
					style={styles}
				>
					<use xlinkHref={safePath} />
				</svg>
			);
		}
	}

	return (
		<div
			className={classNames(className, 'slds-illustration', {
				'slds-illustration_small': size === 'small',
				'slds-illustration_large': size === 'large',
			})}
		>
			{illustrationSvg}
			<div className="slds-text-longform">
				{heading ? (
					<h3 className="slds-text-heading_medium">{heading}</h3>
				) : null}
				{messageBody ? (
					<p className="slds-text-body_regular">{messageBody}</p>
				) : null}
			</div>
		</div>
	);
};

// ### Display Name
// Always use the canonical component name as the React display name.
Illustration.displayName = ILLUSTRATION;

// ### Prop Types
Illustration.propTypes = {
	/**
	 * CSS classes that are applied to the SVG. _Tested with Mocha testing._
	 */
	className: PropTypes.oneOfType([
		PropTypes.array,
		PropTypes.object,
		PropTypes.string,
	]),
	/**
	 * A heading text. It is required if illustration is present. _Tested with snapshot testing._ _Tested with Mocha testing._
	 */
	heading: PropTypes.string,
	/**
	 * A custom SVG object to use instead of the supplied SLDS illustrations, look in `design-system-react/icons` for examples and syntax. _Tested with snapshot testing._ _Tested with Mocha testing._
	 */
	illustration: PropTypes.object,
	/**
	 * Indicates whether the illustration SVGs are from the design-system-react repo. If yes, set to true.
	 */
	internalIllustration: PropTypes.bool,
	/**
	 * A message body below the heading to further communicate the state of the component. _Tested with snapshot testing._ _Tested with Mocha testing._
	 */
	messageBody: PropTypes.oneOfType([PropTypes.string, PropTypes.node]),
	/**
	 * Name of the illustration. Visit <a href='https://lightningdesignsystem.com/components/illustration/'>Lightning Design System Illustration</a> to reference illustration names. _Tested with snapshot testing._ _Tested with Mocha testing._
	 */
	name: PropTypes.string,
	/**
	 * Path to the illustration SVG image. _Tested with snapshot testing._
	 */
	path: PropTypes.string,
	/**
	 * Size of the illustration. _Tested with snapshot testing._ _Tested with Mocha testing._
	 */
	size: PropTypes.oneOf(['small', 'large']),
	/**
	 * Custom styles to be passed to the illustration SVG. _Tested with Mocha testing._
	 */
	style: PropTypes.object,
};

export default Illustration;