import {
	OptionsWithUri,
} from 'request';

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

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

export async function profitWellApiRequest(this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, method: string, resource: string, body: any = {}, qs: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
	try {
		const credentials = this.getCredentials('profitWellApi');
		if (credentials === undefined) {
			throw new NodeOperationError(this.getNode(), 'No credentials got returned!');
		}
		let options: OptionsWithUri = {
			headers: {
				'Authorization': credentials.accessToken,
			},
			method,
			qs,
			body,
			uri: uri || `https://api.profitwell.com/v2${resource}`,
			json: true,
		};

		options = Object.assign({}, options, option);

		return await this.helpers.request!(options);
	} catch (error) {
		throw new NodeApiError(this.getNode(), error);
	}
}

export function simplifyDailyMetrics(responseData: { [key: string]: [{ date: string, value: number | null }] }) {
	const data: IDataObject[] = [];
	const keys = Object.keys(responseData);
	const dates = responseData[keys[0]].map(e => e.date);
	for (const [index, date] of dates.entries()) {
		const element: IDataObject = {
			date,
		};
		for (const key of keys) {
			element[key] = responseData[key][index].value;
		}
		data.push(element);
	}
	return data;
}

export function simplifyMontlyMetrics(responseData: { [key: string]: [{ date: string, value: number | null }] }) {
	const data: IDataObject = {};
	for (const key of Object.keys(responseData)) {
		for (const [index] of responseData[key].entries()) {
			data[key] = responseData[key][index].value;
			data['date'] = responseData[key][index].date;
		}
	}
	return data;
}