import { Controller, Get, Redirect, Req, UseGuards } from '@nestjs/common';
import { ApiTags } from '@nestjs/swagger';
import { AuthGuard } from '@nestjs/passport';
import { ConnectionClientService } from '../connection/client.service';
import jwt from 'jsonwebtoken';
import DadosferaLogger from '@dadosfera/dadosfera-logs/dist';
import { PackTheMetadata } from 'src/utils/ PackTheMetadata';
import { ApiInternalOnlyEndpoint } from 'src/decorators/swagger.decorator';
@ApiTags('oauth')
@Controller('oauth')
export class OauthController {
  redirectUrl: string;

  constructor(
    private connectionService: ConnectionClientService,
    private logger: DadosferaLogger,
  ) {
    switch (process.env.ENV) {
      case 'stg':
        this.redirectUrl = `https://app.${process.env.ENV}.dadosfera.ai/collect/auth-callback`;
        break;
      case 'prd':
        this.redirectUrl = `https://app.dadosfera.ai/collect/auth-callback`;
        break;
      default:
        this.redirectUrl = `http://localhost:4200/collect/auth-callback`;
    }
  }
  @Get('hubspot')
  @UseGuards(AuthGuard('hubspot'))
  async oauthHubspot() {
    return true;
  }

  @ApiInternalOnlyEndpoint()
  @Get('hubspot/callback')
  @UseGuards(AuthGuard('hubspot'))
  @Redirect()
  async oauthHubspotCallback(@Req() req) {
    return await this.callback(req);
  }

  @Get('googleads')
  @UseGuards(AuthGuard('google'))
  async oauthGoogleAds() {
    return true;
  }

  @ApiInternalOnlyEndpoint()
  @Get('googleads/callback')
  @UseGuards(AuthGuard('google'))
  @Redirect()
  async oauthGoogleAdsCallback(@Req() req) {
    return await this.callback(req);
  }

  @Get('google-sheets')
  @UseGuards(AuthGuard('google'))
  async oauthGoogleSheets() {
    return true;
  }

  @ApiInternalOnlyEndpoint()
  @Get('google-sheets/callback')
  @UseGuards(AuthGuard('google'))
  @Redirect()
  async oauthGoogleSheetsCallback(@Req() req) {
    return await this.callback(req);
  }

  @Get('facebook')
  @UseGuards(AuthGuard('facebook'))
  async oauthFacebook() {
    return true;
  }

  @ApiInternalOnlyEndpoint()
  @Get('facebook/callback')
  @UseGuards(AuthGuard('facebook'))
  @Redirect()
  async oauthFacebookCallback(@Req() req) {
    return await this.callback(req);
  }

  @Get('mailchimp')
  @UseGuards(AuthGuard('mailchimp'))
  async oauthMailchimp() {
    return true;
  }

  @ApiInternalOnlyEndpoint()
  @Get('mailchimp/callback')
  @UseGuards(AuthGuard('mailchimp'))
  @Redirect()
  async oauthMailchimpCallback(@Req() req) {
    return await this.callback(req);
  }

  @Get('salesforce')
  @UseGuards(AuthGuard('salesforce'))
  async oauthSalesforce() {
    return true;
  }

  @ApiInternalOnlyEndpoint()
  @Get('salesforce/callback')
  @UseGuards(AuthGuard('salesforce'))
  @Redirect()
  async oauthSalesforceCallback(@Req() req) {
    return await this.callback(req);
  }

  async callback(@Req() req) {
    const { error, state } = req.query;
    const url = new URL(this.redirectUrl);

    if (error) {
      this.logger.error(error);
      url.searchParams.set('error', 'Erro ao autorizar');
      url.searchParams.set(
        'error_description',
        `Credenciais inválidas. Erro: [${error}]`,
      );
      return { url: url.href };
    }

    const { authInfo } = req;

    if (!authInfo) {
      this.logger.error('No authInfo', req);
      url.searchParams.set('error', 'Erro ao autorizar');
      url.searchParams.set('error_description', `Credenciais inválidas.`);
      return { url: url.href };
    }

    const { accessToken: access_token, refreshToken: refresh_token } = authInfo;

    let connectionInfo: any;
    try {
      connectionInfo = jwt.verify(state as string, process.env.JWT_PRIVATE_KEY);
    } catch (error) {
      this.logger.error('Invalid state JWT', { state, req, error });
      url.searchParams.set('error', 'Erro ao autorizar');
      url.searchParams.set(
        'error_description',
        'Ocorreu um erro ao autorizá-lo. Por favor tente novamente',
      );
      return { url: url.href };
    }

    connectionInfo.properties.access_token = access_token;
    connectionInfo.properties.refresh_token = refresh_token;

    const { customer_id, customer_name, user_id } = connectionInfo;

    try {
      const response = connectionInfo.id
        ? await this.connectionService.updateConnection(
            connectionInfo.id,
            connectionInfo,
            PackTheMetadata({ customer_id, customer_name, user_id }),
          )
        : await this.connectionService.createConnection(
            connectionInfo,
            PackTheMetadata({ customer_id, customer_name, user_id }),
          );
      url.searchParams.set('connection_id', response.connection.id);
      return { url: url.href };
    } catch (error) {
      this.logger.error(error);
      url.searchParams.set('error', 'Erro ao autorizar');
      url.searchParams.set(
        'error_description',
        'Ocorreu um erro interno ao autorizá-lo. Por favor tente novamente mais tarde',
      );
      return { url: url.href };
    }
  }
}