import type {
	IExecuteFunctions,
	IDataObject,
	INodeExecutionData,
	INodeType,
	INodeTypeDescription,
} from 'n8n-workflow';
import { NodeConnectionType, NodeApiError } from 'n8n-workflow';

import { dropcontactApiRequest, mapPairedItemsFrom } from './GenericFunction';

export class Dropcontact implements INodeType {
	description: INodeTypeDescription = {
		displayName: 'Dropcontact',
		name: 'dropcontact',
		icon: 'file:dropcontact.svg',
		group: ['transform'],
		version: 1,
		description: 'Find B2B emails and enrich contacts',
		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
		defaults: {
			name: 'Dropcontact',
		},
		inputs: [NodeConnectionType.Main],
		outputs: [NodeConnectionType.Main],
		credentials: [
			{
				name: 'dropcontactApi',
				required: true,
			},
		],
		properties: [
			{
				displayName: 'Resource',
				noDataExpression: true,
				name: 'resource',
				type: 'options',
				options: [
					{
						name: 'Contact',
						value: 'contact',
					},
				],
				default: 'contact',
				required: true,
			},
			{
				displayName: 'Operation',
				noDataExpression: true,
				name: 'operation',
				type: 'options',
				options: [
					{
						name: 'Enrich',
						value: 'enrich',
						description: 'Find B2B emails and enrich your contact from his name and his website',
						action: 'Find B2B emails',
					},
					{
						name: 'Fetch Request',
						value: 'fetchRequest',
					},
				],
				default: 'enrich',
				required: true,
			},
			{
				displayName: 'Request ID',
				name: 'requestId',
				type: 'string',
				required: true,
				displayOptions: {
					show: {
						resource: ['contact'],
						operation: ['fetchRequest'],
					},
				},
				default: '',
			},
			{
				displayName: 'Email',
				name: 'email',
				type: 'string',
				placeholder: 'name@email.com',
				displayOptions: {
					show: {
						resource: ['contact'],
						operation: ['enrich'],
					},
				},
				default: '',
			},
			{
				displayName: 'Simplify Output (Faster)',
				name: 'simplify',
				type: 'boolean',
				displayOptions: {
					show: {
						resource: ['contact'],
						operation: ['enrich'],
					},
				},
				default: false,
				// eslint-disable-next-line n8n-nodes-base/node-param-description-boolean-without-whether
				description:
					'When off, waits for the contact data before completing. Waiting time can be adjusted with Extend Wait Time option. When on, returns a request_id that can be used later in the Fetch Request operation.',
			},
			{
				displayName: 'Additional Fields',
				name: 'additionalFields',
				type: 'collection',
				placeholder: 'Add Field',
				default: {},
				displayOptions: {
					show: {
						resource: ['contact'],
						operation: ['enrich'],
					},
				},
				options: [
					{
						displayName: 'Company SIREN Number',
						name: 'num_siren',
						type: 'string',
						default: '',
					},
					{
						displayName: 'Company SIRET Code',
						name: 'siret',
						type: 'string',
						default: '',
					},
					{
						displayName: 'Company Name',
						name: 'company',
						type: 'string',
						default: '',
					},
					{
						displayName: 'Country',
						name: 'country',
						type: 'string',
						default: '',
					},
					{
						displayName: 'First Name',
						name: 'first_name',
						type: 'string',
						default: '',
					},
					{
						displayName: 'Full Name',
						name: 'full_name',
						type: 'string',
						default: '',
					},
					{
						displayName: 'Last Name',
						name: 'last_name',
						type: 'string',
						default: '',
					},
					{
						displayName: 'LinkedIn Profile',
						name: 'linkedin',
						type: 'string',
						default: '',
					},
					{
						displayName: 'Phone Number',
						name: 'phone',
						type: 'string',
						default: '',
					},
					{
						displayName: 'Website',
						name: 'website',
						type: 'string',
						default: '',
					},
				],
			},
			{
				displayName: 'Options',
				name: 'options',
				type: 'collection',
				displayOptions: {
					show: {
						resource: ['contact'],
						operation: ['enrich'],
					},
				},
				placeholder: 'Add option',
				default: {},
				options: [
					{
						displayName: 'Data Fetch Wait Time',
						name: 'waitTime',
						type: 'number',
						typeOptions: {
							minValue: 1,
						},
						displayOptions: {
							show: {
								'/simplify': [false],
							},
						},
						default: 45,
						description:
							'When not simplifying the response, data will be fetched in two steps. This parameter controls how long to wait (in seconds) before trying the second step.',
					},
					{
						displayName: 'French Company Enrich',
						name: 'siren',
						type: 'boolean',
						default: false,
						description:
							'Whether you want the <a href="https://en.wikipedia.org/wiki/SIREN_code" target="_blank">SIREN number</a>, NAF code, TVA number, company address and informations about the company leader. Only applies to french companies.',
					},
					{
						displayName: 'Language',
						name: 'language',
						type: 'options',
						options: [
							{
								name: 'English',
								value: 'en',
							},
							{
								name: 'French',
								value: 'fr',
							},
						],
						default: 'en',
						description: 'Whether the response is in English or French',
					},
				],
			},
		],
	};

	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
		const entryData = this.getInputData();
		const resource = this.getNodeParameter('resource', 0);
		const operation = this.getNodeParameter('operation', 0);

		let responseData: any;
		const returnData: INodeExecutionData[] = [];

		if (resource === 'contact') {
			if (operation === 'enrich') {
				const options = this.getNodeParameter('options', 0);
				const data = [];
				const simplify = this.getNodeParameter('simplify', 0) as boolean;

				const siren = options.siren === true ? true : false;
				const language = options.language ? options.language : 'en';

				for (let i = 0; i < entryData.length; i++) {
					const email = this.getNodeParameter('email', i) as string;
					const additionalFields = this.getNodeParameter('additionalFields', i);
					const body: IDataObject = {};
					if (email !== '') {
						body.email = email;
					}
					Object.assign(body, additionalFields);
					data.push(body);
				}

				responseData = (await dropcontactApiRequest.call(
					this,
					'POST',
					'/batch',
					{ data, siren, language },
					{},
				)) as { request_id: string; error: string; success: boolean };

				if (!responseData.success) {
					if (this.continueOnFail()) {
						const executionData = this.helpers.constructExecutionMetaData(
							this.helpers.returnJsonArray({ error: responseData.reason || 'invalid request' }),
							{
								itemData: mapPairedItemsFrom(entryData),
							},
						);
						returnData.push(...executionData);
					} else {
						throw new NodeApiError(this.getNode(), {
							error: responseData.reason || 'invalid request',
						});
					}
				}

				if (!simplify) {
					const waitTime = this.getNodeParameter('options.waitTime', 0, 45) as number;

					const delay = async (ms: any) => await new Promise((res) => setTimeout(res, ms * 1000));
					await delay(waitTime);
					responseData = await dropcontactApiRequest.call(
						this,
						'GET',
						`/batch/${responseData.request_id}`,
						{},
						{},
					);
					if (!responseData.success) {
						if (this.continueOnFail()) {
							const executionData = this.helpers.constructExecutionMetaData(
								this.helpers.returnJsonArray({ error: responseData.reason }),
								{
									itemData: mapPairedItemsFrom(entryData),
								},
							);
							returnData.push(...executionData);
						} else {
							throw new NodeApiError(this.getNode(), {
								error: responseData.reason,
								description: 'Hint: Increase the Wait Time to avoid this error',
							});
						}
					} else {
						responseData.data.forEach((d: IDataObject, index: number) => {
							const executionData = this.helpers.constructExecutionMetaData(
								this.helpers.returnJsonArray(d),
								{ itemData: { item: index } },
							);
							returnData.push(...executionData);
						});
					}
				} else {
					const executionData = this.helpers.constructExecutionMetaData(
						this.helpers.returnJsonArray(responseData as IDataObject[]),
						{
							itemData: mapPairedItemsFrom(entryData),
						},
					);
					returnData.push(...executionData);
				}
			}

			if (operation === 'fetchRequest') {
				for (let i = 0; i < entryData.length; i++) {
					const requestId = this.getNodeParameter('requestId', i) as string;
					responseData = (await dropcontactApiRequest.call(
						this,
						'GET',
						`/batch/${requestId}`,
						{},
						{},
					)) as { request_id: string; error: string; success: boolean };
					if (!responseData.success) {
						if (this.continueOnFail()) {
							const executionData = this.helpers.constructExecutionMetaData(
								this.helpers.returnJsonArray({ error: responseData.reason || 'invalid request' }),
								{ itemData: { item: i } },
							);
							returnData.push(...executionData);
						} else {
							throw new NodeApiError(this.getNode(), {
								error: responseData.reason || 'invalid request',
							});
						}
					}
					const executionData = this.helpers.constructExecutionMetaData(
						this.helpers.returnJsonArray(responseData.data as IDataObject[]),
						{ itemData: { item: i } },
					);
					returnData.push(...executionData);
				}
			}
		}

		return [returnData];
	}
}