import * as plugins from '../plugins.js';
import { Cloudly } from '../classes.cloudly.js';
import { BareMetal } from './classes.baremetal.js';
import { logger } from '../logger.js';

export class CloudlyBaremetalManager {
  public cloudlyRef: Cloudly;
  public typedRouter = new plugins.typedrequest.TypedRouter();
  
  public hetznerAccount: plugins.hetznercloud.HetznerAccount;

  public get db() {
    return this.cloudlyRef.mongodbConnector.smartdataDb;
  }
  public CBareMetal = plugins.smartdata.setDefaultManagerForDoc(this, BareMetal);

  constructor(cloudlyRefArg: Cloudly) {
    this.cloudlyRef = cloudlyRefArg;
    this.cloudlyRef.typedrouter.addTypedRouter(this.typedRouter);

    // API endpoint to get baremetal servers
    this.typedRouter.addTypedHandler(
      new plugins.typedrequest.TypedHandler<plugins.servezoneInterfaces.requests.baremetal.IRequest_Any_Cloudly_GetBaremetalServers>(
        'getBaremetalServers',
        async (requestData) => {
          const baremetals = await this.getAllBaremetals();
          return {
            baremetals: await Promise.all(
              baremetals.map((baremetal) => baremetal.createSavableObject())
            ),
          };
        },
      ),
    );

    // API endpoint to control baremetal via IPMI
    this.typedRouter.addTypedHandler(
      new plugins.typedrequest.TypedHandler<plugins.servezoneInterfaces.requests.baremetal.IRequest_Any_Cloudly_ControlBaremetal>(
        'controlBaremetal',
        async (requestData) => {
          const baremetal = await this.CBareMetal.getInstance({
            id: requestData.baremetalId,
          });
          
          if (!baremetal) {
            return {
              success: false,
              message: 'BareMetal not found',
            };
          }

          let success = false;
          switch (requestData.action) {
            case 'powerOn':
              success = await baremetal.powerOn();
              break;
            case 'powerOff':
              success = await baremetal.powerOff();
              break;
            case 'reset':
              success = await baremetal.reset();
              break;
          }

          return {
            success,
            message: success ? `Action ${requestData.action} completed` : `Action ${requestData.action} failed`,
          };
        },
      ),
    );
  }

  public async start() {
    const hetznerToken = await this.cloudlyRef.settingsManager.getSetting('hetznerToken');
    
    if (hetznerToken) {
      this.hetznerAccount = new plugins.hetznercloud.HetznerAccount(hetznerToken);
    }
    
    logger.log('info', 'BareMetal manager started');
  }

  public async stop() {
    logger.log('info', 'BareMetal manager stopped');
  }

  /**
   * Get all baremetal servers
   */
  public async getAllBaremetals(): Promise<BareMetal[]> {
    const baremetals = await this.CBareMetal.getInstances({});
    return baremetals;
  }

  /**
   * Get baremetal by ID
   */
  public async getBaremetalById(id: string): Promise<BareMetal | null> {
    const baremetal = await this.CBareMetal.getInstance({
      id,
    });
    return baremetal;
  }

  /**
   * Get baremetals by provider
   */
  public async getBaremetalsByProvider(provider: 'hetzner' | 'aws' | 'digitalocean' | 'onpremise'): Promise<BareMetal[]> {
    const baremetals = await this.CBareMetal.getInstances({
      data: {
        provider,
      },
    });
    return baremetals;
  }

  /**
   * Create baremetal from Hetzner server
   */
  public async createBaremetalFromHetznerServer(hetznerServer: plugins.hetznercloud.HetznerServer): Promise<BareMetal> {
    // Check if baremetal already exists for this Hetzner server
    const existingBaremetals = await this.CBareMetal.getInstances({});
    for (const baremetal of existingBaremetals) {
      if (baremetal.data.providerMetadata?.hetznerServerId === hetznerServer.data.id) {
        logger.log('info', `BareMetal already exists for Hetzner server ${hetznerServer.data.id}`);
        return baremetal;
      }
    }

    // Create new baremetal
    const newBaremetal = await BareMetal.createFromHetznerServer(hetznerServer);
    logger.log('success', `Created new BareMetal ${newBaremetal.id} from Hetzner server ${hetznerServer.data.id}`);
    return newBaremetal;
  }

  /**
   * Sync baremetals with Hetzner
   */
  public async syncWithHetzner() {
    if (!this.hetznerAccount) {
      logger.log('warn', 'Cannot sync with Hetzner - no account configured');
      return;
    }

    const hetznerServers = await this.hetznerAccount.getServers();
    
    for (const hetznerServer of hetznerServers) {
      await this.createBaremetalFromHetznerServer(hetznerServer);
    }

    logger.log('success', `Synced ${hetznerServers.length} servers from Hetzner`);
  }

  /**
   * Provision a new baremetal server
   */
  public async provisionBaremetal(options: {
    provider: 'hetzner' | 'aws' | 'digitalocean';
    location: any; // TODO: Import proper type from hetznercloud when available
    type: any; // TODO: Import proper type from hetznercloud when available
  }): Promise<BareMetal> {
    if (options.provider === 'hetzner' && this.hetznerAccount) {
      const hetznerServer = await this.hetznerAccount.createServer({
        name: plugins.smartunique.uniSimple('baremetal'),
        location: options.location,
        type: options.type,
      });

      const baremetal = await this.createBaremetalFromHetznerServer(hetznerServer);
      return baremetal;
    }

    throw new Error(`Provider ${options.provider} not supported or not configured`);
  }
}