import {
	IExecuteFunctions,
	IHookFunctions,
	ILoadOptionsFunctions,
	IWebhookFunctions,
	IDataObject,
	IRequestOptions,
	IHttpRequestMethods,
	NodeApiError,
	NodeOperationError,
} from 'n8n-workflow';

/**
 * Make an API request to Rettiwt
 */
export async function rettiwtApiRequest(
	this: IExecuteFunctions | ILoadOptionsFunctions | IHookFunctions | IWebhookFunctions,
	method: IHttpRequestMethods,
	resource: string,
	body: IDataObject = {},
	query: IDataObject = {},
	uri?: string,
	option: IDataObject = {},
): Promise<any> {
	const credentials = await this.getCredentials('rettiwtApi');
	const apiKey = credentials.apiKey as string;

	// Prepare the request options
	const options: IRequestOptions = {
		method,
		headers: {
			'Content-Type': 'application/json',
			Authorization: `Bearer ${apiKey}`,
		},
		body,
		qs: query,
		uri: uri || `https://api.rettiwt.com${resource}`,
		json: true,
		timeout: 10000, // 10 seconds timeout
	};

	// Remove body or query if they're empty
	if (!Object.keys(body).length) {
		delete options.body;
	}
	if (!Object.keys(query).length) {
		delete options.qs;
	}

	try {
		// Make the request
		const response = await this.helpers.request(options);
		return response;
	} catch (error) {
		// Handle different types of errors
		if (error.statusCode === 401) {
			throw new NodeApiError(this.getNode(), error, {
				message: 'Invalid API key. Please check your credentials.',
			});
		}
		if (error.statusCode === 403) {
			throw new NodeApiError(this.getNode(), error, {
				message: 'Access forbidden. Please check your API permissions.',
			});
		}
		if (error.statusCode === 404) {
			throw new NodeApiError(this.getNode(), error, {
				message: 'Resource not found. Please check your request parameters.',
			});
		}
		if (error.statusCode === 429) {
			throw new NodeApiError(this.getNode(), error, {
				message: 'Rate limit exceeded. Please try again later.',
			});
		}
		if (error.statusCode >= 500) {
			throw new NodeApiError(this.getNode(), error, {
				message: 'Rettiwt API server error. Please try again later.',
			});
		}
		if (error.response?.body?.message) {
			throw new NodeApiError(this.getNode(), error, {
				message: `Rettiwt API error: ${error.response.body.message}`,
			});
		}
		// Generic error
		throw new NodeApiError(this.getNode(), error, {
			message: 'An error occurred while making the request to Rettiwt API.',
		});
	}
}

/**
 * Handle errors that occur during API operations
 */
export function handleRettiwtApiError(
	this: IExecuteFunctions | ILoadOptionsFunctions | IHookFunctions | IWebhookFunctions,
	error: any,
): void {
	if (error instanceof NodeApiError) {
		throw error;
	}
	throw new NodeOperationError(this.getNode(), `Unexpected error: ${error.message}`);
}