import * as plugins from './cloudflare.plugins.js';
import { logger } from './cloudflare.logger.js';
import * as interfaces from './interfaces/index.js';

// interfaces
import { WorkerManager } from './cloudflare.classes.workermanager.js';
import { ZoneManager } from './cloudflare.classes.zonemanager.js';

export class CloudflareAccount {
  private authToken: string;
  public preselectedAccountId: string;

  public workerManager = new WorkerManager(this);
  public zoneManager = new ZoneManager(this);

  public apiAccount: plugins.cloudflare.Cloudflare;

  /**
   * constructor sets auth information on the CloudflareAccountInstance
   * @param optionsArg
   */
  constructor(authTokenArg: string) {
    this.authToken = authTokenArg;
    this.apiAccount = new plugins.cloudflare.Cloudflare({
      apiToken: this.authToken,
    });
  }

  public async preselectAccountByName(nameArg: string) {
    const accounts = await this.convenience.listAccounts();
    const account = accounts.find((accountArg) => {
      return accountArg.name === nameArg;
    });
    if (account) {
      this.preselectedAccountId = account.id;
    } else {
      throw new Error(`account with name ${nameArg} not found`);
    }
  }

  public convenience = {
    /**
     * listAccounts
     */
    listAccounts: async () => {
      const accounts: plugins.ICloudflareTypes['Account'][] = [];
      for await (const account of this.apiAccount.accounts.list()) {
        accounts.push(account as interfaces.ICloudflareApiAccountObject);
      }
      return accounts;
    },
    /**
     * gets a zone id of a domain from cloudflare
     * @param domainName
     */
    getZoneId: async (domainName: string) => {
      const domain = new plugins.smartstring.Domain(domainName);
      const zoneArray = await this.convenience.listZones(domain.zoneName);
      const filteredResponse = zoneArray.filter((zoneArg) => {
        return zoneArg.name === domainName;
      });
      if (filteredResponse.length >= 1) {
        return filteredResponse[0].id;
      } else {
        logger.log('error', `the domain ${domainName} does not appear to be in this account!`);
        throw new Error(`the domain ${domainName} does not appear to be in this account!`);
      }
    },
    /**
     * gets a record
     * @param domainNameArg
     * @param typeArg
     */
    getRecord: async (
      domainNameArg: string,
      typeArg: plugins.tsclass.network.TDnsRecordType
    ): Promise<plugins.ICloudflareTypes['Record']> => {
      const domain = new plugins.smartstring.Domain(domainNameArg);
      const recordArrayArg = await this.convenience.listRecords(domain.zoneName);
      const filteredResponse = recordArrayArg.filter((recordArg) => {
        return recordArg.type === typeArg && recordArg.name === domainNameArg;
      });
      return filteredResponse[0];
    },
    /**
     * creates a record
     */
    createRecord: async (
      domainNameArg: string,
      typeArg: plugins.tsclass.network.TDnsRecordType,
      contentArg: string,
      ttlArg = 1
    ): Promise<any> => {
      const domain = new plugins.smartstring.Domain(domainNameArg);
      const zoneId = await this.convenience.getZoneId(domain.zoneName);
      const response = await this.apiAccount.dns.records.create({
        zone_id: zoneId,
        type: typeArg as any,
        name: domain.fullName,
        content: contentArg,
        ttl: ttlArg,
      })
      return response;
    },
    /**
     * removes a record from Cloudflare
     * @param domainNameArg
     * @param typeArg
     */
    removeRecord: async (
      domainNameArg: string,
      typeArg: plugins.tsclass.network.TDnsRecordType
    ): Promise<any> => {
      const domain = new plugins.smartstring.Domain(domainNameArg);
      const zoneId = await this.convenience.getZoneId(domain.zoneName);
      const records = await this.convenience.listRecords(domain.zoneName);
      const recordToDelete = records.find((recordArg) => {
        return recordArg.name === domainNameArg && recordArg.type === typeArg;
      });
      if (recordToDelete) {
        await this.apiAccount.dns.records.delete(recordToDelete.id, {
          zone_id: zoneId,
        });
      } else {
        logger.log('warn', `record ${domainNameArg} of type ${typeArg} not found`);
      }
    },

    /**
     * cleanrecord allows the cleaning of any previous records to avoid unwanted sideeffects
     */
    cleanRecord: async (domainNameArg: string, typeArg: plugins.tsclass.network.TDnsRecordType) => {
      console.log(`cleaning record for ${domainNameArg}`);
      const records = await this.convenience.listRecords(domainNameArg);
      const recordsToDelete = records.filter((recordArg) => {
        return recordArg.type === typeArg;
      });
      for (const recordToDelete of recordsToDelete) {
        await this.apiAccount.dns.records.delete(recordToDelete.id, {
          zone_id: recordToDelete.zone_id,
        });
      }
    },

    /**
     * updates a record
     * @param domainNameArg
     * @param typeArg
     * @param valueArg
     */
    updateRecord: async (
      domainNameArg: string,
      typeArg: plugins.tsclass.network.TDnsRecordType,
      valueArg
    ) => {
      // TODO: implement
      const domain = new plugins.smartstring.Domain(domainNameArg);
    },
    /**
     * list all records of a specified domain name
     * @param domainNameArg - the domain name that you want to get the records from
     */
    listRecords: async (domainNameArg: string) => {
      const domain = new plugins.smartstring.Domain(domainNameArg);
      const zoneId = await this.convenience.getZoneId(domain.zoneName);
      const records: plugins.ICloudflareTypes['Record'][] = [];
      for await (const record of this.apiAccount.dns.records.list({
        zone_id: zoneId,
      })) {
        records.push(record);
      }
      return records;
    },
    /**
     * list all zones in the associated authenticated account
     * @param domainName
     */
    listZones: async (domainName?: string) => {
      const zones: plugins.ICloudflareTypes['Zone'][] = [];
      for await (const zone of this.apiAccount.zones.list()) {
        zones.push(zone);
      }
      return zones;
    },
    /**
     * purges a zone
     */
    purgeZone: async (domainName: string): Promise<void> => {
      const domain = new plugins.smartstring.Domain(domainName);
      const zoneId = await this.convenience.getZoneId(domain.zoneName);
      await this.apiAccount.cache.purge({
        zone_id: zoneId,
        purge_everything: true,
      });
    },

    // acme convenience functions
    acmeSetDnsChallenge: async (dnsChallenge: plugins.tsclass.network.IDnsChallenge) => {
      await this.convenience.cleanRecord(dnsChallenge.hostName, 'TXT');
      await this.convenience.createRecord(
        dnsChallenge.hostName,
        'TXT',
        dnsChallenge.challenge,
        120
      );
    },
    acmeRemoveDnsChallenge: async (dnsChallenge: plugins.tsclass.network.IDnsChallenge) => {
      await this.convenience.removeRecord(dnsChallenge.hostName, 'TXT');
    },
  };
}