import {
	IExecuteFunctions,
} from 'n8n-core';
import {
	IDataObject,
	INodeExecutionData,
	INodeType,
	INodeTypeDescription,
} from 'n8n-workflow';
import {
	driftApiRequest,
} from './GenericFunctions';
import {
	contactFields,
	contactOperations,
} from './ContactDescription';
import {
	IContact,
} from './ContactInterface';

export class Drift implements INodeType {
	description: INodeTypeDescription = {
		displayName: 'Drift',
		name: 'drift',
		icon: 'file:drift.png',
		group: ['output'],
		version: 1,
		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
		description: 'Consume Drift API',
		defaults: {
			name: 'Drift ',
			color: '#404040',
		},
		inputs: ['main'],
		outputs: ['main'],
		credentials: [
			{
				name: 'driftApi',
				required: true,
				displayOptions: {
					show: {
						authentication: [
							'accessToken',
						],
					},
				},
			},
			{
				name: 'driftOAuth2Api',
				required: true,
				displayOptions: {
					show: {
						authentication: [
							'oAuth2',
						],
					},
				},
			},
		],
		properties: [
			{
				displayName: 'Authentication',
				name: 'authentication',
				type: 'options',
				options: [
					{
						name: 'Access Token',
						value: 'accessToken',
					},
					{
						name: 'OAuth2',
						value: 'oAuth2',
					},
				],
				default: 'accessToken',
				description: 'The resource to operate on.',
			},
			{
				displayName: 'Resource',
				name: 'resource',
				type: 'options',
				options: [
					{
						name: 'Contact',
						value: 'contact',
					},
				],
				default: 'contact',
				description: 'Resource to consume.',
			},
			...contactOperations,
			...contactFields,
		],
	};

	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
		const items = this.getInputData();
		const returnData: IDataObject[] = [];
		const length = items.length as unknown as number;
		let responseData;
		const qs: IDataObject = {};
		const resource = this.getNodeParameter('resource', 0) as string;
		const operation = this.getNodeParameter('operation', 0) as string;
		for (let i = 0; i < length; i++) {
			if (resource === 'contact') {
				//https://devdocs.drift.com/docs/creating-a-contact
				if (operation === 'create') {
					const email = this.getNodeParameter('email', i) as string;
					const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
					const body: IContact = {
						email,
					};
					if (additionalFields.name) {
						body.name = additionalFields.name as string;
					}
					if (additionalFields.phone) {
						body.phone = additionalFields.phone as string;
					}
					responseData = await driftApiRequest.call(this, 'POST', '/contacts', { attributes: body });
					responseData = responseData.data;
				}
				//https://devdocs.drift.com/docs/updating-a-contact
				if (operation === 'update') {
					const contactId = this.getNodeParameter('contactId', i) as string;
					const updateFields = this.getNodeParameter('updateFields', i) as IDataObject;
					const body: IContact = {};
					if (updateFields.name) {
						body.name = updateFields.name as string;
					}
					if (updateFields.phone) {
						body.phone = updateFields.phone as string;
					}
					if (updateFields.email) {
						body.email = updateFields.email as string;
					}
					responseData = await driftApiRequest.call(this, 'PATCH', `/contacts/${contactId}`, { attributes: body });
					responseData = responseData.data;
				}
				//https://devdocs.drift.com/docs/retrieving-contact
				if (operation === 'get') {
					const contactId = this.getNodeParameter('contactId', i) as string;
					responseData = await driftApiRequest.call(this, 'GET', `/contacts/${contactId}`);
					responseData = responseData.data;
				}
				//https://devdocs.drift.com/docs/listing-custom-attributes
				if (operation === 'getCustomAttributes') {
					responseData = await driftApiRequest.call(this, 'GET', '/contacts/attributes');
					responseData = responseData.data.properties;
				}
				//https://devdocs.drift.com/docs/removing-a-contact
				if (operation === 'delete') {
					const contactId = this.getNodeParameter('contactId', i) as string;
					responseData = await driftApiRequest.call(this, 'DELETE', `/contacts/${contactId}`);
					responseData = { success: true };
				}
			}
			if (Array.isArray(responseData)) {
				returnData.push.apply(returnData, responseData as IDataObject[]);
			} else {
				returnData.push(responseData as IDataObject);
			}
		}
		return [this.helpers.returnJsonArray(returnData)];
	}
}
