import AOAuth2Application from 'pipes-nodejs-sdk/dist/lib/Authorization/Type/OAuth2/AOAuth2Application';
import { IWebhookApplication } from 'pipes-nodejs-sdk/dist/lib/Application/Base/IWebhookApplication';
import ProcessDto from 'pipes-nodejs-sdk/dist/lib/Utils/ProcessDto';
import { ApplicationInstall } from 'pipes-nodejs-sdk/dist/lib/Application/Database/ApplicationInstall';
import HttpMethods from 'pipes-nodejs-sdk/dist/lib/Transport/HttpMethods';
import RequestDto from 'pipes-nodejs-sdk/dist/lib/Transport/Curl/RequestDto';
import Form from 'pipes-nodejs-sdk/dist/lib/Application/Model/Form/Form';
import WebhookSubscription from 'pipes-nodejs-sdk/dist/lib/Application/Model/Webhook/WebhookSubscription';
import ResponseDto from 'pipes-nodejs-sdk/dist/lib/Transport/Curl/ResponseDto';
import Field from 'pipes-nodejs-sdk/dist/lib/Application/Model/Form/Field';
import FieldType from 'pipes-nodejs-sdk/dist/lib/Application/Model/Form/FieldType';
import { CLIENT_ID, CLIENT_SECRET } from 'pipes-nodejs-sdk/dist/lib/Authorization/Type/OAuth2/IOAuth2Application';
import CurlSender from 'pipes-nodejs-sdk/dist/lib/Transport/Curl/CurlSender';
import { OAuth2Provider } from 'pipes-nodejs-sdk/dist/lib/Authorization/Provider/OAuth2/OAuth2Provider';
import { FORM } from 'pipes-nodejs-sdk/dist/lib/Application/Base/AApplication';
import { CommonHeaders, JSON_TYPE } from 'pipes-nodejs-sdk/dist/lib/Utils/Headers';
import { BodyInit } from 'node-fetch';

export const MAILCHIMP_URL = 'https://login.mailchimp.com/oauth2/authorize';
export const MAILCHIMP_DATACENTER_URL = 'https://login.mailchimp.com';
export const AUDIENCE_ID = 'audience_id';
export const TOKEN_URL = 'https://login.mailchimp.com/oauth2/token';
export const API_KEYPOINT = 'api_keypoint';
export const SEGMENT_ID = 'segment_id';

export default class MailchimpApplication extends AOAuth2Application implements IWebhookApplication {
  constructor(private _sender: CurlSender, private _inputProvider: OAuth2Provider) {
    super(_inputProvider);
  }

  // eslint-disable-next-line max-len
  public getDescription = (): string => 'MailChimp is an email marketing automation service that lets you send out professional-looking newsletters to promote your brand.';

  public getName = (): string => 'mailchimp';

  public getPublicName = (): string => 'Mailchimp';

  // eslint-disable-next-line max-len
  public getLogo = (): string => 'data:image/svg+xml;base64,<?xml version="1.0" encoding="utf-8"?>
<!-- Generator: Adobe Adobe Illustrator 24.2.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
	 width="150px" height="150px" viewBox="0 0 150 150" enable-background="new 0 0 150 150" xml:space="preserve">
<g>
	<g>
		<g>
			<g>
				<path d="M110.646,70.882c1.095-0.131,2.144-0.136,3.108,0c0.558-1.28,0.654-3.485,0.152-5.887
					c-0.746-3.57-1.755-5.73-3.841-5.394c-2.086,0.336-2.163,2.922-1.417,6.492C109.066,68.102,109.814,69.819,110.646,70.882z"/>
				<path d="M92.738,73.707c1.493,0.655,2.41,1.089,2.769,0.71c0.231-0.237,0.162-0.688-0.195-1.27
					c-0.736-1.202-2.252-2.422-3.859-3.107c-3.288-1.415-7.208-0.945-10.233,1.229c-0.999,0.731-1.945,1.745-1.81,2.36
					c0.044,0.199,0.193,0.349,0.544,0.398c0.823,0.094,3.7-1.36,7.014-1.563C89.307,72.321,91.245,73.052,92.738,73.707z"/>
				<path d="M89.735,75.42c-1.944,0.307-3.016,0.948-3.704,1.544c-0.588,0.514-0.951,1.081-0.948,1.48
					c0.002,0.19,0.084,0.299,0.149,0.354c0.089,0.078,0.194,0.122,0.32,0.122c0.439,0,1.423-0.394,1.423-0.394
					c2.705-0.968,4.49-0.851,6.258-0.65c0.977,0.11,1.439,0.171,1.653-0.165c0.063-0.096,0.14-0.304-0.055-0.621
					C94.375,76.351,92.412,75.102,89.735,75.42z"/>
				<path d="M104.599,81.709c1.32,0.649,2.773,0.394,3.246-0.569c0.473-0.963-0.214-2.269-1.534-2.917
					c-1.32-0.648-2.773-0.394-3.246,0.569C102.592,79.754,103.279,81.06,104.599,81.709z"/>
				<path d="M113.084,74.294c-1.072-0.018-1.962,1.159-1.987,2.63c-0.025,1.47,0.824,2.677,1.896,2.695
					c1.072,0.018,1.962-1.159,1.987-2.629C115.006,75.519,114.157,74.312,113.084,74.294z"/>
				<path d="M41.062,100.808c-0.267-0.334-0.705-0.232-1.129-0.134c-0.296,0.069-0.632,0.147-1,0.141
					c-0.789-0.015-1.457-0.352-1.832-0.928c-0.488-0.75-0.46-1.868,0.079-3.149c0.073-0.172,0.158-0.364,0.251-0.573
					c0.86-1.929,2.299-5.159,0.683-8.236c-1.216-2.316-3.2-3.758-5.585-4.061c-2.29-0.29-4.647,0.559-6.15,2.218
					c-2.372,2.617-2.743,6.178-2.284,7.436c0.168,0.461,0.431,0.588,0.622,0.614c0.404,0.055,1-0.239,1.374-1.245
					c0.027-0.073,0.063-0.185,0.107-0.327c0.167-0.532,0.477-1.522,0.985-2.315c0.613-0.957,1.567-1.616,2.687-1.856
					c1.141-0.244,2.307-0.027,3.283,0.612c1.662,1.088,2.301,3.124,1.592,5.067c-0.367,1.005-0.962,2.926-0.831,4.504
					c0.266,3.195,2.231,4.478,3.996,4.615c1.717,0.065,2.917-0.899,3.22-1.603C41.311,101.17,41.16,100.916,41.062,100.808z"/>
				<path d="M140.14,94.965c-0.065-0.231-0.491-1.787-1.076-3.662c-0.585-1.875-1.19-3.195-1.19-3.195
					c2.346-3.512,2.388-6.654,2.076-8.432c-0.333-2.205-1.251-4.085-3.102-6.027c-1.85-1.943-5.635-3.932-10.953-5.425
					c-0.608-0.171-2.614-0.721-2.791-0.775c-0.014-0.115-0.147-6.579-0.268-9.354c-0.088-2.006-0.26-5.137-1.232-8.222
					c-1.158-4.175-3.175-7.828-5.694-10.165c6.95-7.204,11.288-15.14,11.278-21.948c-0.02-13.092-16.099-17.054-35.913-8.849
					c-0.021,0.009-4.168,1.767-4.198,1.782c-0.019-0.018-7.59-7.447-7.704-7.546C56.782-16.558-13.852,61.954,8.731,81.022
					l4.935,4.181c-1.28,3.316-1.783,7.116-1.372,11.202c0.528,5.248,3.235,10.279,7.622,14.166c4.165,3.69,9.641,6.026,14.955,6.021
					c8.788,20.252,28.867,32.675,52.411,33.375c25.255,0.75,46.455-11.1,55.338-32.387c0.581-1.494,3.047-8.226,3.047-14.168
					C145.666,97.439,142.29,94.965,140.14,94.965z M36.813,110.904c-0.767,0.131-1.55,0.183-2.339,0.164
					c-7.628-0.205-15.867-7.072-16.686-15.215c-0.905-9.001,3.694-15.929,11.838-17.572c0.973-0.196,2.15-0.309,3.419-0.244
					c4.563,0.25,11.286,3.754,12.822,13.693C47.227,100.533,45.066,109.496,36.813,110.904z M28.294,72.896
					c-5.07,0.986-9.538,3.859-12.27,7.828c-1.633-1.362-4.676-3.999-5.213-5.026c-4.362-8.283,4.761-24.387,11.133-33.481
					C37.694,19.741,62.362,2.729,73.781,5.816c1.856,0.525,8.004,7.654,8.004,7.654s-11.414,6.333-22,15.161
					C45.523,39.613,34.749,55.575,28.294,72.896z M108.359,107.538c0.166-0.07,0.28-0.26,0.261-0.448
					c-0.023-0.231-0.23-0.399-0.461-0.376c0,0-11.949,1.769-23.237-2.364c1.229-3.996,4.499-2.553,9.44-2.154
					c8.907,0.531,16.89-0.77,22.789-2.464c5.112-1.467,11.827-4.36,17.042-8.476c1.759,3.864,2.38,8.116,2.38,8.116
					s1.362-0.244,2.5,0.457c1.075,0.662,1.864,2.037,1.325,5.594c-1.097,6.644-3.921,12.037-8.668,16.998
					c-2.889,3.11-6.397,5.814-10.41,7.78c-2.131,1.12-4.401,2.088-6.798,2.871c-17.893,5.844-36.209-0.581-42.113-14.378
					c-0.471-1.037-0.87-2.123-1.184-3.259c-2.516-9.092-0.38-20.001,6.297-26.867c0.001-0.001-0.001-0.003,0-0.003
					c0.412-0.437,0.832-0.952,0.832-1.6c0-0.542-0.344-1.114-0.643-1.519c-2.336-3.388-10.428-9.162-8.803-20.336
					c1.166-8.027,8.186-13.68,14.732-13.345c0.553,0.028,1.107,0.063,1.659,0.095c2.836,0.168,5.311,0.532,7.646,0.629
					c3.908,0.169,7.422-0.399,11.584-3.867c1.404-1.17,2.53-2.184,4.435-2.507c0.2-0.034,0.698-0.213,1.693-0.166
					c1.016,0.054,1.983,0.333,2.853,0.912c3.337,2.22,3.81,7.598,3.983,11.532c0.098,2.246,0.37,7.679,0.463,9.238
					c0.212,3.566,1.15,4.069,3.046,4.694c1.067,0.351,2.057,0.613,3.516,1.023c4.417,1.24,7.036,2.498,8.687,4.114
					c0.984,1.01,1.442,2.083,1.584,3.107c0.521,3.8-2.95,8.493-12.138,12.758c-10.043,4.662-22.228,5.842-30.646,4.904
					c-0.646-0.072-2.941-0.332-2.949-0.333c-6.734-0.907-10.575,7.796-6.534,13.758c2.605,3.843,9.699,6.343,16.798,6.345
					c16.275,0.003,28.785-6.948,33.438-12.95c0.139-0.18,0.153-0.199,0.372-0.53c0.229-0.345,0.04-0.535-0.245-0.34
					c-3.802,2.601-20.689,12.929-38.751,9.822c0,0-2.195-0.361-4.198-1.141c-1.592-0.619-4.924-2.152-5.329-5.571
					C99.181,111.799,108.359,107.538,108.359,107.538z M85.268,104.812c0.001,0.001,0.001,0.002,0.002,0.003
					c0.001,0.002,0.002,0.005,0.003,0.007C85.272,104.819,85.27,104.816,85.268,104.812z M57.382,42.125
					c5.599-6.47,12.492-12.096,18.666-15.254c0.213-0.109,0.44,0.123,0.324,0.332c-0.49,0.888-1.434,2.789-1.733,4.231
					c-0.047,0.225,0.198,0.394,0.388,0.265c3.841-2.618,10.524-5.424,16.385-5.785c0.252-0.016,0.373,0.307,0.173,0.461
					c-0.891,0.684-1.866,1.63-2.578,2.587c-0.121,0.163-0.007,0.397,0.196,0.399c4.116,0.029,9.918,1.47,13.699,3.59
					c0.256,0.144,0.074,0.639-0.212,0.574c-5.722-1.312-15.087-2.306-24.816,0.067c-8.685,2.118-15.314,5.389-20.151,8.907
					C57.478,42.676,57.185,42.353,57.382,42.125z"/>
			</g>
		</g>
	</g>
</g>
</svg>
';

  public getRequestDto(
    dto: ProcessDto,
    applicationInstall: ApplicationInstall,
    method: HttpMethods,
    url?: string,
    data?: BodyInit,
  ): RequestDto {
    const request = new RequestDto(this.getUri(url).toString(), method, dto);
    request.headers = {
      [CommonHeaders.CONTENT_TYPE]: JSON_TYPE,
      [CommonHeaders.ACCEPT]: JSON_TYPE,
      [CommonHeaders.AUTHORIZATION]: `OAuth ${this.getAccessToken(applicationInstall)}`,
    };

    if (data) {
      request.body = data;
    }

    return request;
  }

  // eslint-disable-next-line @typescript-eslint/no-unused-vars
  public getScopes = (applicationInstall: ApplicationInstall): string[] => [];

  public getSettingsForm = (): Form => new Form()
    .addField(new Field(FieldType.TEXT, CLIENT_ID, 'Client Id', undefined, true))
    .addField(new Field(FieldType.TEXT, CLIENT_SECRET, 'Client Secret', undefined, true))
    .addField(new Field(FieldType.TEXT, AUDIENCE_ID, 'Audience Id', undefined, true));

  public getAuthUrl = (): string => MAILCHIMP_URL;

  public getTokenUrl = (): string => TOKEN_URL;

  public getWebhookSubscriptions = (): WebhookSubscription[] => [
    new WebhookSubscription('Create User', 'starting-point', '', { name: 'subscribe' }),
    new WebhookSubscription('Update User', 'starting-point', '', { name: 'upemail' }),
    new WebhookSubscription('Delete User', 'starting-point', '', { name: 'unsubscribe' }),
  ];

  public getWebhookSubscribeRequestDto = (
    applicationInstall: ApplicationInstall,
    subscription: WebhookSubscription,
    url: string,
  ): RequestDto => this.getRequestDto(
    new ProcessDto(),
    applicationInstall,
    HttpMethods.POST,
    `${applicationInstall.getSettings()[API_KEYPOINT]}
    /3.0/lists/${applicationInstall.getSettings()[FORM][AUDIENCE_ID]}/webhooks`,
    JSON.stringify(
      {
        url,
        events: {
          [subscription.getParameters().name]: true,
        },
        sources:
          {
            user: true,
            admin: true,
            api: true,
          },
      },
    ),
  );

  public getWebhookUnsubscribeRequestDto = (
    applicationInstall: ApplicationInstall,
    id: string,
  ): RequestDto => this.getRequestDto(
    new ProcessDto(),
    applicationInstall,
    HttpMethods.DELETE,
    // eslint-disable-next-line max-len
    `${applicationInstall.getSettings()[API_KEYPOINT]}/3.0/lists/${applicationInstall.getSettings()[FORM][AUDIENCE_ID]}/webhooks/${id}`,
  );

  public processWebhookSubscribeResponse = (
    dto: ResponseDto,
    // eslint-disable-next-line @typescript-eslint/no-unused-vars
    applicationInstall: ApplicationInstall,
  ): string => JSON.parse(dto.body).id;

  public processWebhookUnsubscribeResponse = (dto: ResponseDto): boolean => dto.responseCode === 204;

  public async getApiEndpoint(applicationInstall: ApplicationInstall): Promise<string> {
    const output = await this._sender.send(
      this.getRequestDto(
        new ProcessDto(),
        applicationInstall,
        HttpMethods.GET,
        '%s/oauth2/metadata',
        MAILCHIMP_DATACENTER_URL,
      ),
    );

    // eslint-disable-next-line @typescript-eslint/naming-convention
    return output.jsonBody as { api_endpoint: string }['api_endpoint'] ?? '';
  }
}