/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the Source EULA. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

import { localize } from 'vs/nls';
import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
import { IRequestOptions, IRequestContext } from 'vs/base/node/request';
import { IConfigurationRegistry, Extensions } from 'vs/platform/configuration/common/configurationRegistry';
import { Registry } from 'vs/platform/registry/common/platform';
import { CancellationToken } from 'vs/base/common/cancellation';

export const IRequestService = createDecorator<IRequestService>('requestService');

export interface IRequestService {
	_serviceBrand: any;

	request(options: IRequestOptions, token: CancellationToken): Promise<IRequestContext>;
}

export interface IHTTPConfiguration {
	http?: {
		proxy?: string;
		proxyStrictSSL?: boolean;
		proxyAuthorization?: string;
	};
}

Registry.as<IConfigurationRegistry>(Extensions.Configuration)
	.registerConfiguration({
		id: 'http',
		order: 15,
		title: localize('httpConfigurationTitle', "HTTP"),
		type: 'object',
		properties: {
			'http.proxy': {
				type: 'string',
				pattern: '^https?://([^:]*(:[^@]*)?@)?([^:]+)(:\\d+)?/?$|^$',
				description: localize('proxy', "The proxy setting to use. If not set will be taken from the http_proxy and https_proxy environment variables.")
			},
			'http.proxyStrictSSL': {
				type: 'boolean',
				default: true,
				description: localize('strictSSL', "Controls whether the proxy server certificate should be verified against the list of supplied CAs.")
			},
			'http.proxyAuthorization': {
				type: ['null', 'string'],
				default: null,
				description: localize('proxyAuthorization', "The value to send as the 'Proxy-Authorization' header for every network request.")
			},
			'http.proxySupport': {
				type: 'string',
				enum: ['off', 'on', 'override'],
				enumDescriptions: [
					localize('proxySupportOff', "Disable proxy support for extensions."),
					localize('proxySupportOn', "Enable proxy support for extensions."),
					localize('proxySupportOverride', "Enable proxy support for extensions, override request options."),
				],
				default: 'override',
				description: localize('proxySupport', "Use the proxy support for extensions.")
			},
			'http.systemCertificates': {
				type: 'boolean',
				default: true,
				description: localize('systemCertificates', "Controls whether CA certificates should be loaded from the OS. (On Windows and macOS a reload of the window is required after turning this off.)")
			}
		}
	});
