import { OptionsWithUri } from 'request';

import { IExecuteFunctions, ILoadOptionsFunctions } from 'n8n-core';

import {
	IDataObject,
	IHookFunctions,
	IWebhookFunctions,
	NodeApiError,
	NodeOperationError,
} from 'n8n-workflow';

export async function zulipApiRequest(
	this: IExecuteFunctions | IWebhookFunctions | IHookFunctions | ILoadOptionsFunctions,
	method: string,
	resource: string,
	// tslint:disable-next-line:no-any
	body: any = {},
	query: IDataObject = {},
	uri?: string,
	option: IDataObject = {},
	// tslint:disable-next-line:no-any
): Promise<any> {
	const credentials = await this.getCredentials('zulipApi');

	const endpoint = `${credentials.url}/api/v1`;

	let options: OptionsWithUri = {
		auth: {
			user: credentials.email as string,
			password: credentials.apiKey as string,
		},
		headers: {
			'Content-Type': 'application/x-www-form-urlencoded',
		},
		method,
		form: body,
		qs: query,
		uri: uri || `${endpoint}${resource}`,
		json: true,
	};
	if (!Object.keys(body).length) {
		delete options.form;
	}
	if (!Object.keys(query).length) {
		delete options.qs;
	}
	options = Object.assign({}, options, option);
	try {
		return await this.helpers.request!(options);
	} catch (error) {
		throw new NodeApiError(this.getNode(), error);
	}
}

// tslint:disable-next-line:no-any
export function validateJSON(json: string | undefined): any {
	let result;
	try {
		result = JSON.parse(json!);
	} catch (exception) {
		result = undefined;
	}
	return result;
}