import {
	OptionsWithUri,
 } from 'request';

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

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

export async function clickupApiRequest(this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions | IWebhookFunctions, method: string, resource: string, body: any = {}, qs: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
	const credentials = this.getCredentials('clickUpApi');
	if (credentials === undefined) {
		throw new Error('No credentials got returned!');
	}

	const options: OptionsWithUri = {
		headers: {
			Authorization: credentials.accessToken,
			'Content-Type': 'application/json',
		},
		method,
		qs,
		body,
		uri: uri ||`https://api.clickup.com/api/v2${resource}`,
		json: true
	};
	try {
		return await this.helpers.request!(options);
	} catch (error) {
		let errorMessage = error;
		if (error.err) {
			errorMessage = error.err;
		}
		throw new Error('ClickUp Error: ' + errorMessage);
	}
}

export async function clickupApiRequestAllItems(this: IHookFunctions | IExecuteFunctions| ILoadOptionsFunctions, propertyName: string ,method: string, resource: string, body: any = {}, query: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any

	const returnData: IDataObject[] = [];

	let responseData;
	query.page = 0;

	do {
		responseData = await clickupApiRequest.call(this, method, resource, body, query);
		returnData.push.apply(returnData, responseData[propertyName]);
		query.page++;
		if (query.limit && query.limit <= returnData.length) {
			return returnData;
		}
	} while (
		responseData[propertyName] &&
		responseData[propertyName].length !== 0
	);
	return returnData;
}

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