import { IExecuteFunctions } from 'n8n-core';
import {
	IDataObject,
	INodeExecutionData,
	INodeType,
	INodeTypeDescription,
} from 'n8n-workflow';

import {moceanApiRequest} from './GenericFunctions';


export class Mocean implements INodeType {
	description: INodeTypeDescription = {
		displayName: 'Mocean',
		name: 'mocean',
		icon: 'file:logo.png',
		group: ['transform'],
		version: 1,
		description: 'This is the official node created from Mocean<https://moceanapi.com>',
		defaults: {
			name: 'Mocean',
			color: '#772244',
		},
		inputs: ['main'],
		outputs: ['main'],
		credentials: [
			{
				name: "moceanApi",
				required: true
			}
		],
		properties: [
			// Node properties which the user gets displayed and
			// can change on the node.
			{
				displayName: 'Resource',
				name: 'resource',
				type: 'options',
				options:[
					{
						name: "SMS",
						value: "sms"
					},
					{
						name: "Voice",
						value: "voice"
					}
				],
				default: 'sms',
			},
			{
				displayName: 'Operation',
				name: 'operation',
				type: 'options',
				displayOptions: {
					show: {
						resource: [
							'sms',
							'voice'
						],
					},
				},
				options: [
					{
						name: 'Send',
						value: 'send',
						description: 'Send SMS/Voice message',
					},
				],
				default: 'send',
				description: 'The operation to perform.',
			},
			{
				displayName: 'From',
				name: 'from',
				type: 'string',
				default: '',
				placeholder: 'Sender Number',
				required: true,
				displayOptions: {
					show: {
						operation: [
							'send',
						],
						resource: [
							'sms',
							'voice',
						],
					},
				},
				description: 'The number to which to send the message',
			},

			{
				displayName: 'To',
				name: 'to',
				type: 'string',
				default: '',
				placeholder: 'Receipient number',
				required: true,
				displayOptions: {
					show: {
						operation: [
							'send',
						],
						resource: [
							'sms',
							'voice',
						],
					},
				},
				description: 'The number from which to send the message',
			},

			{
				displayName: 'Language',
				name: 'language',
				type: 'options',
				options:[
					{
						name: "English (United States)",
						value: "en-US"
					},
					{
						name: "English (United Kingdom)",
						value: "en-GB"
					},
					{
						name: "Chinese Mandarin (China",
						value: "cmn-CN"
					},
					{
						name: "Japanese (Japan)",
						value: "ja-JP"
					},
					{
						name: "Korean (Korea)",
						value: "ko-KR"
					}
				],
				displayOptions: {
					show: {
						operation: [
							'send',
						],
						resource: [
							'voice',
						],
					},
				},
				default: 'en-US',
			},

			{
				displayName: 'Message',
				name: 'message',
				type: 'string',
				default: '',
				placeholder: '',
				required: true,
				displayOptions: {
					show: {
						operation: [
							'send',
						],
						resource: [
							'sms',
							'voice',
						],
					},
				},
				description: 'The message to send',
			},
		],
		
	};


	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {

		const items = this.getInputData();
		let item: INodeExecutionData;	
		let returnData: IDataObject[] = [];
			
		let endpoint: string;
		let operation: string;
		let requesetMethod: string;
		let resource: string;
		let text: string;
		// For Post
		let body: IDataObject;
		// For Query string
		let qs: IDataObject;

		
		for (let itemIndex = 0; itemIndex < items.length; itemIndex++) {
			body = {};
			qs = {};

			resource = this.getNodeParameter('resource', itemIndex, '') as string;
			operation = this.getNodeParameter('operation',itemIndex,'') as string;
			text = this.getNodeParameter('message', itemIndex, '') as string;
			requesetMethod = 'POST';
			body['mocean-from'] = this.getNodeParameter('from', itemIndex, '') as string;
			body['mocean-to'] = this.getNodeParameter('to', itemIndex, '') as string;
			
			
			if (resource === 'voice') {
				let language: string = this.getNodeParameter("language",itemIndex) as string;
				let command:any = [{"action": "say", "language": `${language}`, "text": `${text}`}];
			
				body['mocean-command'] = JSON.stringify(command);
				endpoint = '/rest/2/voice/dial';
			} else if(resource === 'sms') {
				body['mocean-text'] = text;
				endpoint = '/rest/2/sms';
			} else {
				throw new Error(`Unknown resource ${resource}`);
			}

			if (operation === "send") {
				const responseData = await moceanApiRequest.call(this,requesetMethod,endpoint,body,qs);
				returnData.push(responseData as IDataObject);
			} else {
				throw new Error(`Unknown operation ${operation}`);
			}
			
			
		}

		return [this.helpers.returnJsonArray(returnData)];
	}
}