import { OptionsWithUri } from 'request';

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

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

import { get } from 'lodash';

export async function travisciApiRequest(
	this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions,
	method: string,
	resource: string,

	body: any = {},
	qs: IDataObject = {},
	uri?: string,
	option: IDataObject = {},
): Promise<any> {
	const credentials = await this.getCredentials('travisCiApi');
	let options: OptionsWithUri = {
		headers: {
			'Travis-API-Version': '3',
			Accept: 'application/json',
			'Content-Type': 'application.json',
			Authorization: `token ${credentials.apiToken}`,
		},
		method,
		qs,
		body,
		uri: uri || `https://api.travis-ci.com${resource}`,
		json: true,
	};
	options = Object.assign({}, options, option);
	if (Object.keys(options.body).length === 0) {
		delete options.body;
	}
	try {
		return await this.helpers.request(options);
	} catch (error) {
		throw new NodeApiError(this.getNode(), error);
	}
}

/**
 * Make an API request to paginated TravisCI endpoint
 * and return all results
 */
export async function travisciApiRequestAllItems(
	this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions,
	propertyName: string,
	method: string,
	resource: string,

	body: any = {},
	query: IDataObject = {},
): Promise<any> {
	const returnData: IDataObject[] = [];

	let responseData;

	do {
		responseData = await travisciApiRequest.call(this, method, resource, body, query);
		const path = get(responseData, '@pagination.next.@href');
		if (path !== undefined) {
			const parsedPath = new URLSearchParams(path);
			query = Object.fromEntries(parsedPath);
		}
		returnData.push.apply(returnData, responseData[propertyName]);
	} while (responseData['@pagination'].is_last !== true);
	return returnData;
}