import { models } from './models/sequelize.js';
import { v4 as uuidv4 } from 'uuid';
import axios from 'axios';
import moment from 'moment';
import chalk from 'chalk';
import ora from 'ora';
import yml from 'js-yaml';
import fs from 'fs';

const env = process.env;
const methods = yml.load(fs.readFileSync('./methods.yml', 'utf8'));
const flModels = yml.load(fs.readFileSync('./models/models.yml', 'utf8'));
const arrow = '└───────';
let spinner;

/**
 * Check if the token is valid, and if it
 * is not, get a new one.
 *
 * @param {Boolean} isForce Force to request new token
 */
export async function checkToken(isForce) {
	try {
		await startSpin(`Checking token...`);

		const clientConfigData = await models.config.findOne();
	
		let tokenExpiration, token, optionalMsg;
		if (clientConfigData) {
			token = clientConfigData.currentToken;
			tokenExpiration = clientConfigData.tokenExpiration;
		}

		if (isForce || !token || !tokenExpiration || moment().isAfter(tokenExpiration)) {
			await txtSpin(`Requesting new token...`);
			const clientId = JSON.parse(env.USE_SECRETS_DB) ? clientConfigData.clientId || env.CLIENT_ID : env.CLIENT_ID;
			const clientSecret = JSON.parse(env.USE_SECRETS_DB) ? clientConfigData.clientSecret || env.CLIENT_SECRET : env.CLIENT_SECRET;
	
			const data = new URLSearchParams({
				grant_type: 'client_credentials',
				client_id: clientId,
				client_secret: clientSecret,
				scope: 'role:app catalog:read supply:read organization:read network:write network:read'
			}).toString();
			const headers = { 'Content-Type': 'application/x-www-form-urlencoded' };
			const res = (await vnRequest('POST', env.API_ENDPOINT, data, headers)).data;

			const tokenExpiration = moment()
				.add(res.expires_in, 's')
				.format('YYYY-MM-DD HH:mm:ss');

			await updateClientConfig({
				clientId,
				clientSecret,
				currentToken: res.access_token,
				tokenExpiration,
			});
		} else
			optionalMsg = 'Using stored token...';
		await okSpin(optionalMsg);
	} catch (err) {
		await await failSpin(err);
	}
};

/**
 * Returns the current token.
 *
 * @returns {String} The current token
 */
export async function getCurrentToken() {
	return (await models.config.findOne()).currentToken;
};

/**
 * Check the floriday data config.
 */
export async function checkConfig() {
	await startSpin(`Checking config...`);

	const excludedEnvVars = ['VSCODE_GIT_ASKPASS_EXTRA_ARGS'];
	const requiredEnvVars = Object.keys(env);
	const filteredEnvVars = requiredEnvVars.filter(reqEnvVar => !excludedEnvVars.includes(reqEnvVar));

	for (const reqEnvVar of filteredEnvVars)
		if (!process.env[reqEnvVar])
			await failSpin(new Error(`You haven't provided the ${reqEnvVar} environment variable`));

	const clientConfigData = await models.config.findOne();
	if (!clientConfigData)
		await updateClientConfig(env.CLIENT_ID,	env.CLIENT_SECRET);

	await okSpin();
};
	
/**
 * Returns the expiration of current token.
 *
 * @returns {String} The expiration of current token
 */
export async function getCurrentTokenExpiration() {
	return (await models.config.findOne()).tokenExpiration;
};

/**
 * Updates the access token in the client config table.
 *
 * @param {Array} clientConfig [clientId, clientSecret, currenToken, tokenExpiration]
 */
export async function updateClientConfig(clientConfig) {
	try {
		if (!JSON.parse(process.env.USE_SECRETS_DB))
			clientId = clientSecret = null
		await models.config.upsert({
			id: 1,
			...clientConfig,
		});
	} catch (err) {
		throw(err);
	}
};

/**
 * Pauses the execution of the script for the specified number of milliseconds.
 *
 * @param {Integer} ms
 */
export async function sleep(ms) {
	await new Promise(resolve => setTimeout(resolve, ms));
};

/**
 * Sync a model.
 * 
 * @param {String} model Supported models (./models/methods.yml)
 */
export async function syncModel(model) {
	await startSpin(`Syncing ${model}...`);
	try {
		const dbSeqNum = await models.sequenceNumber.findOne({ where: { model } })
		let curSeqNum = dbSeqNum?.maxSequenceNumber ?? 0, i = 0;

		if (!flModels.includes(model))
			throw new Error('Unsupported model');

		const maxSeqNum = (await vnRequest('GET', `${env.API_URL}${methods[model].maxSeq.url}`)).data;
		for (curSeqNum; curSeqNum < maxSeqNum; curSeqNum++) {
			let params, misSeqNum;

			if (methods[model].sync.params) {
				params = new URLSearchParams();
				for (const key in methods[model].sync.params) {
					params.append(key, methods[model].sync.params[key]);
				}
				params = params.toString();
			}

			const res = (await vnRequest('GET', `${env.API_URL}${methods[model].sync.url}${curSeqNum}${params ? `?${params}` : ''}`));
			if (res?.response?.status == 403 && res?.response?.data?.title === 'There are no connected suppliers.') { // Forbidden
				await await warnSpin(`Syncing ${model}...`, new Error(res.response.data.title));
				return;
			}

			const data = res.data.results;
			curSeqNum = res.data.maximumSequenceNumber;
			misSeqNum = maxSeqNum - curSeqNum;
			await insertModel(model, data);
			await txtSpin(`Syncing ${i = i + data.length} ${model}, ${misSeqNum} missing...`);
			await insertSequenceNumber(model, curSeqNum);
		}
		await insertSequenceNumber(model, maxSeqNum);
		await txtSpin((i)
			? `Syncing ${i} ${model}...`
			: `Syncing ${model}...`);
		await okSpin();
	} catch (err) {
		await await failSpin(err);
	}
};

/**
 * Insert data to a model.
 * 
 * @param {String} model Supported models (./models/methods.yml)
 * @param {Array} data An array containing the data to be inserted
 */
export async function insertModel(model, data) {
	try {
		switch (model) {
			case 'organizations':
				await insertOrganizations(data);
				break;
			case 'warehouses':
				await insertWarehouses(data);
				break;
			case 'tradeItems':
				await insertTradeItems(data);
				break;
			case 'supplyLines':
				await insertSupplyLines(data);
				break;
			case 'clockPresalesSupply':
				await insertClockPresalesSupply(data);
				break;
			default:
				throw new Error('Unsupported model');
		}
	} catch (err) {
		throw err;
	}
};

/**
 * Check (create and/or remove) the connections in Floriday.
 */
export async function checkConnections(){
	try {
		await startSpin('Checking connections...');
		await createConnections();
		await deleteConnections();
		if (spinner) await okSpin();
	} catch (err) {
		await failSpin(err);
	}
};

/**
 * Insert sequence number in the database.
 *
 * @param {String} model The model identifier
 * @param {Number} sequenceNumber The sequence number
 */
export async function insertSequenceNumber(model, sequenceNumber) {
	const tx = await models.sequelize.transaction();
	try {
		await models.sequenceNumber.upsert({
			model: model,
			maxSequenceNumber: sequenceNumber,
		}, { transaction: tx });
		await tx.commit();
	} catch (err) {
		await tx.rollback();
		throw err;
	}
};

/**
 * Insert trade items and dependencies in the database.
 *
 * @param {Array} tradeItems An array containing the trade item data to be inserted
 */
export async function insertTradeItems(tradeItems) {
	const tx = await models.sequelize.transaction();
	try {
		const dbData = await models.tradeItem.findAll();
		let filteredTradeItems = [];

		tradeItems.forEach(value => {
			if (!value.isDeleted || dbData.includes(value.tradeItemId))
				filteredTradeItems.push(value);
		});
		
		const tradeItemsData = filteredTradeItems.map((tradeItem) => ({
			...tradeItem,
			organizationId: tradeItem.supplierOrganizationId,
			lastSync: moment().format('YYYY-MM-DD HH:mm:ss'),
		}));

		await models.tradeItem.bulkCreate(tradeItemsData, {
			updateOnDuplicate: [
				'tradeItemId',
				'code',
				'gtin',
				'vbnProductCode',
				'name',
				'isDeleted',
				'sequenceNumber',
				'tradeItemVersion',
				'isCustomerSpecific',
				'isHiddenInCatalog',
				'organizationId',
			],
			transaction: tx,
		});

		const characteristics = [];
		const seasonalPeriods = [];
		const photos = [];
		const packingConfigurations = [];
		const countryOfOriginIsoCodes = [];
		const botanicalNames = [];

		for (const tradeItem of tradeItemsData) {
			if (tradeItem.characteristics?.length)
				for (const characteristic of tradeItem.characteristics)
					characteristics.push({
						tradeItemId: tradeItem.tradeItemId,
						...characteristic,
					});

			if (tradeItem.seasonalPeriods?.length)
				for (const seasonalPeriod of tradeItem.seasonalPeriods)
					seasonalPeriods.push({
						tradeItemId: tradeItem.tradeItemId,
						...seasonalPeriod,
					});

			if (tradeItem.photos?.length)
				for (const photo of tradeItem.photos) 
					photos.push({
						...photo,
						tradeItemId: tradeItem.tradeItemId,
					});

			if (tradeItem.packingConfigurations?.length) {
				for (const packingConfiguration of tradeItem.packingConfigurations) {
					const uuid = uuidv4();

					packingConfigurations.push({
						packingConfigurationId: uuid,
						...packingConfiguration,
						additionalPricePerPiece_currency: packingConfiguration.additionalPricePerPiece.currency,
						additionalPricePerPiece_value: packingConfiguration.additionalPricePerPiece.value,
						tradeItemId: tradeItem.tradeItemId,
					});

					models.package.upsert({
						...packingConfiguration.package,
						packingConfigurationId: uuid,
					}, { transaction: tx });
				}
			}

			if (tradeItem.countryOfOriginIsoCodes?.length) 
				for (const isoCode of tradeItem.countryOfOriginIsoCodes)
					countryOfOriginIsoCodes.push({
						isoCode,
						tradeItemId: tradeItem.tradeItemId,
					});

			if (tradeItem.botanicalNames?.length) 
				for (const botanicalName of tradeItem.botanicalNames) 
					botanicalNames.push({
						botanicalNameId: uuidv4(),
						name: botanicalName,
						tradeItemId: tradeItem.tradeItemId,
					});
		}

		if (characteristics?.length)
			await models.characteristic.bulkCreate(characteristics, {
				updateOnDuplicate: ['tradeItemId', 'vbnCode', 'vbnValueCode'],
				transaction: tx,
			});

		if (seasonalPeriods?.length)
			await models.seasonalPeriod.bulkCreate(seasonalPeriods, {
				updateOnDuplicate: ['tradeItemId', 'startWeek', 'endWeek'],
				transaction: tx,
			});

		if (photos?.length)
			await models.photo.bulkCreate(photos, {
				updateOnDuplicate: ['tradeItemId', 'url', 'type', 'primary'],
				transaction: tx,
			});

		if (packingConfigurations?.length)
			await models.packingConfiguration.bulkCreate(packingConfigurations, {
				updateOnDuplicate: [
					'packingConfigurationId',
					'piecesPerPackage',
					'bunchesPerPackage',
					'photoUrl',
					'packagesPerLayer',
					'layersPerLoadCarrier',
					'additionalPricePerPiece_currency',
					'additionalPricePerPiece_value',
					'transportHeightInCm',
					'loadCarrierType',
					'isPrimary',
				],
				transaction: tx,
			});

		if (countryOfOriginIsoCodes?.length)
			await models.countryOfOriginIsoCode.bulkCreate(countryOfOriginIsoCodes, {
				updateOnDuplicate: ['tradeItemId', 'isoCode'],
				transaction: tx,
			});

		if (botanicalNames?.length)
			await models.botanicalName.bulkCreate(botanicalNames, {
				updateOnDuplicate: ['botanicalNameId', 'name', 'tradeItemId'],
				transaction: tx,
			});

		await tx.commit();
	} catch (err) {
		await tx.rollback();
		throw err;
	}
};

/**
 * Insert clock presales supply in the database.
 *
 * @param {Array} clockPresalesSupply An array containing the clockPresaleSupplies data to be inserted
 */
export async function insertClockPresalesSupply(clockPresalesSupply) {
	const tx = await models.sequelize.transaction();
	try {
		const dbData = await models.clockPresaleSupply.findAll();
		let filteredclockPresalesSupply = [];

		clockPresalesSupply.forEach(value => {
			if (!(value.status === 'UNAVAILABLE') || dbData.includes(value.supplyLineId))
					filteredclockPresalesSupply.push(value);
		});

		const clockPresalesSupplyWithDefaults = filteredclockPresalesSupply.map((clockPresaleSupply) => ({
			...clockPresaleSupply,
			pricePerPiece_currency: clockPresaleSupply.pricePerPiece.currency,
			pricePerPiece_value: clockPresaleSupply.pricePerPiece.value,
			organizationId: clockPresaleSupply.supplierOrganizationId,
		}));

		await models.clockPresaleSupply.bulkCreate(clockPresalesSupplyWithDefaults, {
			updateOnDuplicate: [
				'supplyLineId',
				'status',
				'tradeItemId',
				'pricePerPiece_currency',
				'pricePerPiece_value',
				'deliveryNoteReference',
				'numberOfPieces',
				'tradePeriod_startDateTime',
				'tradePeriod_endDateTime',
				'organizationId',
				'tradeInstrument',
				'salesChannel',
				'sequenceNumber',
				'creationDateTime',
				'lastModifiedDateTime',
			],
			transaction: tx,
		});

		let packingConfigurations = [];

		for (const clockPresale of clockPresalesSupplyWithDefaults) { 
			if (clockPresale.packingConfigurations?.length) {
				for (const packingConfiguration of clockPresale.packingConfigurations) {
					const uuid = uuidv4();

					packingConfigurations.push({
						clockPresaleSupplyPackingConfigurationId: uuid,
						...packingConfiguration,
						additionalPricePerPieceCurrency: packingConfiguration.additionalPricePerPiece?.currency,
						additionalPricePerPieceValue: packingConfiguration.additionalPricePerPiece?.value,
						supplyLineClockPresaleSupplyId: clockPresale.supplyLineId,
					});

					models.clockPresaleSupplyPackage.upsert({
						...packingConfiguration.package,
						packingConfigurationId: uuid,
					}, { transaction: tx });
				}
			}
		}

		if (packingConfigurations?.length)
			await models.clockPresaleSupplyPackingConfiguration.bulkCreate(packingConfigurations, {
				updateOnDuplicate: [
					'clockPresaleSupplyPackingConfigurationId',
					'piecesPerPackage',
					'bunchesPerPackage',
					'packagesPerLayer',
					'layersPerLoadCarrier',
					'loadCarrier',
					'additionalPricePerPieceCurrency',
					'additionalPricePerPieceValue',
					'photoUrl',
				],
				transaction: tx,
			});

		await tx.commit();
	} catch (err) {
		await tx.rollback();
		throw err;
	}
};

/**
 * Insert warehouses in the database.
 *
 * @param {Array} warehouses An array containing the warehouses data to be inserted
 */
export async function insertWarehouses(warehouses) {
	const tx = await models.sequelize.transaction();
	try {
		const dbData = await models.warehouse.findAll();
		let filteredWarehouses = [];

		warehouses.forEach(value => {
			if (!value.isDeleted || dbData.includes(value.warehouseId))
				filteredWarehouses.push(value);
		});

		const warehousesWithDefaults = filteredWarehouses.map((warehouse) => ({
			...warehouse,
			location_gln: warehouse.location.gln,
			location_address_addressLine: warehouse.location.address.addressLine,
			location_address_city: warehouse.location.address.city,
			location_address_countryCode: warehouse.location.address.countryCode,
			location_address_postalCode: warehouse.location.address.postalCode,
			location_address_stateOrProvince: warehouse.location.address.stateOrProvince,
			lastSync: moment().format('YYYY-MM-DD HH:mm:ss'),
		}));

		await models.warehouse.bulkCreate(warehousesWithDefaults, {
			updateOnDuplicate: [
				'warehouseId',
				'name',
				'location_gln',
				'location_address_addressLine',
				'location_address_city',
				'location_address_countryCode',
				'location_address_postalCode',
				'location_address_stateOrProvince',
				'isDeleted',
				'sequenceNumber',
				'organizationId',
				'lastSync',
			],
			transaction: tx,
		});

		await tx.commit();
	} catch (err) {
		await tx.rollback();
		throw err;
	}
};

/**
 * Insert organizations in the database.
 *
 * @param {Array} organizations An array containing the organizations data to be inserted
 */
export async function insertOrganizations(organizations) {
	const tx = await models.sequelize.transaction();
	try {
		const organizationsWithDefaults = organizations.map((organization) => ({
			...organization,
			isConnected: JSON.parse(env.ORGS_ALWAYS_CONN),
			lastSync: moment().format('YYYY-MM-DD HH:mm:ss'),
		}));

		await models.organization.bulkCreate(organizationsWithDefaults, {
			updateOnDuplicate: [
				'organizationId',
				'sequenceNumber',
				'companyGln',
				'name',
				'commercialName',
				'email',
				'phone',
				'website',
				'rfhRelationId',
				'paymentProviders',
				'endDate',
				'mailingAddress',
				'physicalAddress',
				'isConnected',
				'lastSync',
			],
			transaction: tx,
		});

		await tx.commit();
	} catch (err) {
		await tx.rollback();
		throw err;
	}
};

/*  Checkear dependecias supply line

		// Check if the warehouse exists, and if it doesn't, create it
		let warehouse = await models.warehouse.findOne({
			where: { warehouseId: supplyLine.warehouseId }
		});
		if (!warehouse) {
			let warehouse = (await vnRequest('GET', `${env.API_URL}/warehouses/${supplyLine.warehouseId}`)).data;

			// Check if the organization exists, and if it doesn't, create it
			let organization = await models.organization.findOne({
				where: { organizationId: warehouse.organizationId }
			}, { transaction: tx });
			if (!organization) {
				let organization = (await vnRequest('GET', `${env.API_URL}/organizations/${warehouse.organizationId}`)).data;
				await insertOrganization(organization);
			}

			await insertWarehouse(warehouse);
		}

		// Check if the trade item exists, and if it doesn't, create it
		let tradeItem = await models.tradeItem.findOne({
			where: { tradeItemId: supplyLine.tradeItemId }
		}, { transaction: tx });
		if (!tradeItem) {
			let tradeItem = (await vnRequest('GET', `${env.API_URL}/trade-items/${supplyLine.tradeItemId}`)).data;
			await insertTradeItem(tradeItem);
		}

*/

/**
 * Insert supply lines and dependencies in the database.
 *
 * @param {Array} supplyLines An array containing the supply line data to be inserted
 */
export async function insertSupplyLines(supplyLines) {
	const tx = await models.sequelize.transaction();
	try {
		const dbData = await models.supplyLine.findAll();
		let filteredSupplyLines = [];
		
		supplyLines.forEach(value => {
			if ((!value.isDeleted && !(value.status === 'UNAVAILABLE')) || dbData.includes(value.supplyLineId))
				filteredSupplyLines.push(value);
		});

		const supplyLinesData = filteredSupplyLines.map((supplyLine) => ({
			...supplyLine,
			organizationId: supplyLine.supplierOrganizationId,
			deliveryPeriodStartDateTime: supplyLine.deliveryPeriod?.startDateTime ?? null,
			deliveryPeriodEndDateTime: supplyLine.deliveryPeriod?.endDateTime ?? null,
			orderPeriodStartDateTime: supplyLine.orderPeriod?.startDateTime ?? null,
			orderPeriodEndDateTime: supplyLine.orderPeriod?.endDateTime ?? null,
			agreementReference_code: supplyLine.agreementReference?.code ?? null,
			agreementReference_description: supplyLine.agreementReference?.description ?? null,
			lastSync: moment().format('YYYY-MM-DD HH:mm:ss'),
		}));

		await models.supplyLine.bulkCreate(supplyLinesData, {
			updateOnDuplicate: [
				'supplyLineId',
				'status',
				'numberOfPieces',
				'deliveryPeriodStartDateTime',
				'deliveryPeriodEndDateTime',
				'orderPeriodStartDateTime',
				'orderPeriodEndDateTime',
				'warehouseId',
				'sequenceNumber',
				'type',
				'isDeleted',
				'salesUnit',
				'agreementReferenceCode',
				'agreementReferenceDescription',
				'isLimited',
				'isCustomerSpecific',
				'tradeItemId',
				'organizationId',
				'lastSync',
			],
			transaction: tx,
		});

		const packingConfigurations = [];
		const volumePrices = [];

		for (const supplyLine of supplyLinesData)
			if (supplyLine.packingConfigurations?.length) {
				for (const packingConfiguration of supplyLine.packingConfigurations)
					packingConfigurations.push({
						packingConfigurationId: uuidv4(),
						...packingConfiguration,
						packageVbnPackageCode: packingConfiguration.package.vbnPackageCode,
						packageCustomPackageId: packingConfiguration.package.customPackageId,
						additionalPricePerPieceCurrency: packingConfiguration.additionalPricePerPiece.currency,
						additionalPricePerPieceValue: packingConfiguration.additionalPricePerPiece.value,
						supplyLineId: supplyLine.supplyLineId,
					});
		
				if (supplyLine.volumePrices?.length)
					for (const volumePrice of supplyLine.volumePrices)
						volumePrices.push({
							supplyLineId: supplyLine.supplyLineId,
							...volumePrice,
					});
			}

		if (packingConfigurations.length)
			await models.supplyLinePackingConfiguration.bulkCreate(packingConfigurations, {
				updateOnDuplicate: [
					'packingConfigurationId',
					'packageVbnPackageCode',
					'packageCustomPackageId',
					'piecesPerPackage',
					'bunchesPerPackage',
					'photoUrl',
					'packagesPerLayer',
					'layersPerLoadCarrier',
					'transportHeightInCm',
					'loadCarrierType',
					'additionalPricePerPieceCurrency',
					'additionalPricePerPieceValue',
					'isPrimary'
				],
				transaction: tx,
			});
	
		if (volumePrices.length)
			await models.volumePrice.bulkCreate(volumePrices, {
				updateOnDuplicate: ['supplyLineId', 'unit', 'pricePerPiece'],
				transaction: tx,
			});

		await tx.commit();
	} catch (err) {
		await tx.rollback();
		throw err;
	}
};

/**
 * Create the connections in Floriday of the connected organizations.
 **/
export async function createConnections() {
	try {
		const flConnections = (await vnRequest('GET', `${env.API_URL}${methods.connections.base.url}`)).data;
		const dbConnections = await models.organization.findAll({
			where: { isConnected: true }
		});

		let connectionsToPut = [], i = 0;
		dbConnections.forEach(value => {
			if (!flConnections.includes(value.organizationId))
				connectionsToPut.push(value.organizationId);
		});

		if (connectionsToPut.length && !spinner) await startSpin('Creating connections...');
		
		for (let connection of connectionsToPut) {
			await vnRequest('PUT', `${env.API_URL}${methods.connections.base.url}${connection}`);
			await txtSpin(`Creating ${i++} connections, ${connectionsToPut.length - i} missing...`);
		}
		if (spinner && i) await okSpin(`Creating ${i++} connections...`);
	} catch (err) {
		throw err;
	}
}

/**
 * Removes Floriday connections that we don't have in the database.
 **/
export async function deleteConnections() {
	try {
		const flConnections = (await vnRequest('GET', `${env.API_URL}/connections`)).data;
		const dbConnections = await models.organization.findAll({
			where: { isConnected: false }
		});

		let ghostConnections = [], i = 0;
		dbConnections.forEach(value => {
			if (flConnections.includes(value.organizationId))
				ghostConnections.push(value.organizationId);
		});

		if (ghostConnections.length && !spinner) await startSpin('Deleting connections...');

		for (let connection of ghostConnections) {
			await vnRequest('DELETE', `${env.API_URL}/connections/${connection}`);
			await txtSpin(`Deleting ${i++} connections, ${ghostConnections.length - i} missing...`)
		}

		if (spinner && i) await okSpin(`Deleting ${i++} connections...`);
	} catch (err) {
		await criticalSpin(err);
	}
};

/**
 * Perform a REST request.
 *
 * @param {String} url The URL of the REST request
 * @param {String} method The HTTP method of the request (e.g., GET, POST, PUT, DELETE)
 * @param {Array} body The body of the request, typically an array of data to be sent
 * @param {Array} header The headers of the request, typically an array of key-value pairs
 *
 * @return {Array} An array containing the response data from the REST request
 **/
export async function vnRequest(method, url, data, headers) {
	if (!headers)
		headers = {
			'Content-Type': 'application/json',
			'Authorization': `Bearer ${await getCurrentToken()}`,
			'X-Api-Key': process.env.API_KEY,
		};

	while(true) {
		try {
			return (['GET', 'DELETE'].includes(method))
				? await axios({method, url, headers})
				: await axios({method, url, data, headers});
		} catch (err) {
			switch (err.code) {
				case 'ECONNRESET': // Client network socket TLS
					await warnSpin(null, err);
					await sleep(1000);
					break;
				case 'EAI_AGAIN': // getaddrinfo || Lost connection
				await warnSpin(null, err);
					await sleep(env.MS_RETRY_LOST_CONNECTION);
					break;
				case 'ECONNABORTED':
				case 'ECONNREFUSED':
				case 'ERR_BAD_REQUEST':
					switch (err.response.status) {
						case 404, 403: // Not found and Forbidden
							return err;
						case 504:
						case 502:
							await warnSpin(null, err,);
							await sleep(1000);
							break;
						case 429: // Too Many Requests
							await warnSpin(null, err);
							await sleep(60000);
							break;
						case 401: // Unauthorized
							await warnSpin(null, err);
							await checkToken(true);
							headers.Authorization
								? headers.Authorization = `Bearer ${await getCurrentToken()}`
								: handler('critical', err);
							break;
						default:
							await warnSpin(null, err);
							await sleep(env.MS_RETRY_UNHANDLED_ERROR);
							break;
					}
					break;
				default:
					await warnSpin(null, err);
					await sleep(env.MS_RETRY_UNHANDLED_ERROR);
					break;
			}
			if (!err?.code === 'EAI_AGAIN')	await startSpin();
		}
	}
};

/**
 * Sets the text of spinner.
 *
 * @param {String} msg Text of spinner
 * @param {Boolean} isNew Reinstantiate the object
 **/
export async function startSpin(msg, isKeep) {
	if (JSON.parse(env.TIME_STAMPS) && msg)
		msg = `${chalk.gray(`[${new moment().format('YYYY-MM-DD hh:mm:ss A')}]`)} ${msg}`;

	(isKeep)
		? spinner.start()
		: spinner = ora({
				text: msg,
				spinner: 'arc',
				interval: 40,
				color: 'white',
			}).start();
};

/**
 * Sets the text of spinner.
 *
 * @param {String} msg Text of spinner
 **/
export async function txtSpin(msg) {
	if (!spinner) {
		startSpin(msg);
		return;
	}

	if (JSON.parse(env.TIME_STAMPS) && msg)
		msg = `${chalk.gray(`[${new moment().format('YYYY-MM-DD hh:mm:ss A')}]`)} ${msg}`;

	spinner.text = msg;
};

/**
 * Sets the spinner to ok.
 *
 * @param {String} msg Text of spinner
 **/
export async function okSpin(msg) {
	if (JSON.parse(env.TIME_STAMPS) && msg)
		msg = `${chalk.gray(`[${new moment().format('YYYY-MM-DD hh:mm:ss A')}]`)} ${msg ?? ''}`;

	if (spinner) {
		spinner.succeed(msg);
		spinner = null;
	}
};

/**
 * Sets the spinner to waning and throw a warning.
 *
 * @param {String} msg Text of spinner
 * @param {Error} err Error object
 **/
export async function warnSpin(msg, err) {
	if (JSON.parse(env.TIME_STAMPS) && msg)
		msg = `${chalk.gray(`[${new moment().format('YYYY-MM-DD hh:mm:ss A')}]`)} ${msg}`;

	if (spinner) {
		spinner.warn(msg);
		spinner = null;
	}
	if (err) await handler('warning', err);
};

/**
 * Sets the spinner to fail and throw a error.
 *
 * @param {Error} err Error object
 **/
export async function failSpin(err) {
	if (spinner) {
		spinner.fail();
		spinner = null;
	}
	if (err) throw err;
};

/**
 * Sets the spinner to fail and throw a critical error.
 *
 * @param {Error} err Error object
 **/
export async function criticalSpin(err) {
	if (spinner) {
		spinner.fail();
		spinner = null;
	}
	handler('critical', err);
};

/**
 * Separator.
 *
 * @param {String} msg String to show
 **/
export async function separator(msg) {
	console.log(chalk.gray(`↺ ──────────────────────── ${msg}`));
};

/**
 * Function to handle error messages.
 *
 * @param {String} type Type name
 * @param {Error} err Error object
 **/
export async function handler(type, err) {
	let header = (`${arrow} [${type.toUpperCase()}]`);
	let msg = (err.response?.status && err.response?.data?.message)
			? `${err.response.status} - ${err.response?.data?.message}`
			: err.message;

	switch (type) {
		case 'critical':
			header = chalk.red.bold(header);
			msg = chalk.red(msg);
			break;
		case 'warning':
			header = chalk.yellow.bold(header);
			msg = chalk.yellow(msg);
			break;
		default:
			console.error('Unhandled handler type');
			process.exit();
	};

	console.log(header, msg);
	if (type === 'critical') process.exit();
};