import WLogger from './WLogger';
import { env } from '$env/dynamic/private';
import type { IRequest, IRequestField } from '../../type/form';
import Sanitizing from './Sanitizing';
import escapeRegExp from '../../utils/escapeRegExp';

const BITRIX24_FIELDS = {
  LANDING_URL: 'UF_CRM_1708364992',
  GCLID: 'UF_CRM_1708366868784',
  LANG: 'UF_CRM_1708365178',
  LANG_BY_BROWSER: 'UF_CRM_1728917539511',
  BUSINESS_IDENTIFICATION: 'UF_CRM_1709012311521',
  INITIAL_INVESTMENT: 'UF_CRM_1708365367',
  REGION: 'UF_CRM_1708366122',
  COUNTRY_CODE: 'UF_CRM_1708366441792',
  UTM_CONTENT: 'UF_CRM_1712249375',
  UTM_TERMS: 'UF_CRM_1712249249',
  UTM_MEDIUM: 'UF_CRM_1712248114',
  UTM_CAMPAIGN: 'UF_CRM_1712248092',
  UTM_SOURCE: 'UF_CRM_1712248129',
  ROISTAT_ID: 'UF_CRM_1744804235',

  COMPANY_NAME: 'UF_CRM_COMPANY_TITLE',
  SHORT_BIO: 'UF_CRM_1761209155062',
  TG_CHANNEL: 'UF_CRM_1763371894',
  INSTAGRAM: 'UF_CRM_1763371831',
  YOUTUBE: 'UF_CRM_1763371853',
  TIKTOK: 'UF_CRM_1763371879',
  FTD_SUM: 'UF_CRM_1763371917',
  HAS_NETWORK: 'UF_CRM_1763371959',
  LAUNCH_REASON: 'UF_CRM_1761209155062',
};

const businessIdentifications = [79, 81, 83, 85, 87, 89];

const initialInvestments = [47, 49, 51, 53, 55, 57];

const regions = [69, 71, 73, 75, 77];

const regionMapping: { [key: string]: number } = {
  'latam': 69,
  'asia': 71,
  'middle-east': 73,
  'africa': 75,
};

const customFields: { key: IRequestField; keyNew: string }[] = [
  { key: 'landing_url', keyNew: BITRIX24_FIELDS.LANDING_URL },
  { key: 'gclid', keyNew: BITRIX24_FIELDS.GCLID },
  { key: 'language', keyNew: BITRIX24_FIELDS.LANG },
  { key: 'lang_by_browser', keyNew: BITRIX24_FIELDS.LANG_BY_BROWSER },
  { key: 'business_identification', keyNew: BITRIX24_FIELDS.BUSINESS_IDENTIFICATION },
  { key: 'price', keyNew: BITRIX24_FIELDS.INITIAL_INVESTMENT },
  { key: 'region', keyNew: BITRIX24_FIELDS.REGION },
  { key: 'country_code', keyNew: BITRIX24_FIELDS.COUNTRY_CODE },
  { key: 'utm_content', keyNew: BITRIX24_FIELDS.UTM_CONTENT },
  { key: 'utm_term', keyNew: BITRIX24_FIELDS.UTM_TERMS },
  { key: 'utm_medium', keyNew: BITRIX24_FIELDS.UTM_MEDIUM },
  { key: 'utm_campaign', keyNew: BITRIX24_FIELDS.UTM_CAMPAIGN },
  { key: 'utm_source', keyNew: BITRIX24_FIELDS.UTM_SOURCE },
  { key: 'roistatId', keyNew: BITRIX24_FIELDS.ROISTAT_ID },

  { key: 'company_name', keyNew: BITRIX24_FIELDS.COMPANY_NAME },
  { key: 'short_bio', keyNew: BITRIX24_FIELDS.SHORT_BIO },
  { key: 'tg_channel', keyNew: BITRIX24_FIELDS.TG_CHANNEL },
  { key: 'instagram', keyNew: BITRIX24_FIELDS.INSTAGRAM },
  { key: 'youtube', keyNew: BITRIX24_FIELDS.YOUTUBE },
  { key: 'tiktok', keyNew: BITRIX24_FIELDS.TIKTOK },
  { key: 'ftd_sum', keyNew: BITRIX24_FIELDS.FTD_SUM },
  { key: 'has_network', keyNew: BITRIX24_FIELDS.HAS_NETWORK },
  { key: 'launch_reason', keyNew: BITRIX24_FIELDS.LAUNCH_REASON },
];

const convertLead = (additional: IRequest) => {
  const title = `New lead from ${additional?.landing_url} from ${additional.email}`;

  const data: { [name: string]: any } = {
    TITLE: title,
    NAME: escapeRegExp(additional.name),
    COMMENTS: escapeRegExp(additional?.message) ?? null,
    PHONE: {
      VALUE: additional.phone,
      VALUE_TYPE: 'WORK',
    },
    EMAIL: {
      VALUE: additional.email,
      VALUE_TYPE: 'WORK',
    },
    UTM_CONTENT: additional?.utm_content ? escapeRegExp(additional.utm_content) : null,
    UTM_TERM: additional?.utm_term ? escapeRegExp(additional.utm_term) : null,
    UTM_MEDIUM: additional?.utm_medium ? escapeRegExp(additional.utm_medium) : null,
    UTM_CAMPAIGN: additional?.utm_campaign ? escapeRegExp(additional.utm_campaign) : null,
    UTM_SOURCE: additional?.utm_source ? escapeRegExp(additional.utm_source) : null,
  };

  const toUnset: IRequestField[] = ['first_name', 'name', 'last_name', 'message', 'phone', 'email'];

  toUnset.forEach((item) => {
    delete additional[item];
  });

  customFields.forEach((item) => {
    if (item.key in additional) {
      const value = additional[item.key as keyof typeof additional];
      switch (item.key) {
        case 'business_identification':
          data[item.keyNew] = businessIdentifications[Number(value)];
          break;
        case 'price':
          data[item.keyNew] = initialInvestments[Number(value)];
          break;
        case 'region':
          data[item.keyNew] = regions[Number(value)];
          break;
        case 'regions':
          if (Array.isArray(value) && value.length > 0) {
            const firstRegion = value[0];
            if (typeof firstRegion === 'string') {
              data[item.keyNew] = regionMapping[firstRegion] || 69; 
            }
          }
          break;
        default:
          data[item.keyNew] = value;
          break;
      }
      delete additional[item.key as keyof typeof additional];
    }
  });

  if (Object.keys(additional).length) {
    data['SOURCE_DESCRIPTION'] = JSON.stringify(additional);
  }

  return data;
};

const addLeadBitrix24 = (values: IRequest) => {
  const additional = { ...values };

  WLogger.log('info', '[BITRIX24]: START', Sanitizing(additional));

  if (!env?.PRIVATE_BITRIX24_HOST || !env?.PRIVATE_BITRIX24_USER_ID || !env?.PRIVATE_BITRIX24_TOKEN) {
    WLogger.log('error', '[BITRIX24]: END', {
      error: `PRIVATE_BITRIX24_TOKEN or PRIVATE_BITRIX24_USER_ID or PRIVATE_BITRIX24_HOST: undefined`,
    });

    return;
  }

  const data = convertLead(additional);

  const myUrlWithParams = new URL(
    `${env?.PRIVATE_BITRIX24_HOST}/rest/${env?.PRIVATE_BITRIX24_USER_ID}/${env?.PRIVATE_BITRIX24_TOKEN}/crm.lead.add.json`
  );

  Object.keys(data).forEach(function (key) {
    if (data[key]?.['VALUE']) {
      myUrlWithParams.searchParams.append(`fields[${key}][0][VALUE]`, data[key]?.['VALUE']);
    } else if (data[key]?.['VALUE_TYPE']) {
      myUrlWithParams.searchParams.append(`fields[${key}][0][VALUE_TYPE]`, data[key]?.['VALUE_TYPE']);
    } else {
      myUrlWithParams.searchParams.append(`fields[${key}]`, data[key]);
    }
  });

  return fetch(myUrlWithParams.href, {
    method: 'GET',
  })
    .then((res) => res.json())
    .then((res) => {
      if ('error' in res) {
        WLogger.log('error', '[BITRIX24]: ADD LEAD END', { error: res });
      } else {
        WLogger.log('info', '[BITRIX24]: ADD LEAD END', { res: res });
      }

      return res;
    })
    .catch((error) => {
      WLogger.log('error', '[BITRIX24]: ADD LEAD END', { ...error });
      return error;
    });
};

export default addLeadBitrix24;