import * as plugins from './coretraffic.plugins.js';
import { CoreTraffic } from './coretraffic.classes.coretraffic.js';
import { logger } from './coretraffic.logging.js';

export class CoretrafficTaskManager {
  public coretrafficRef: CoreTraffic;
  public taskmanager: plugins.taskbuffer.TaskManager;

  /**
   * a task to run setup routing, runs buffered
   */
  public setupRoutingTask: plugins.taskbuffer.Task;

  constructor(coretrafficRefArg: CoreTraffic) {
    this.coretrafficRef = coretrafficRefArg;
    this.taskmanager = new plugins.taskbuffer.TaskManager();

    this.setupRoutingTask = new plugins.taskbuffer.Task({
      name: 'setupRouting',
      buffered: true,
      bufferMax: 2,
      taskFunction: async (reverseConfigs: plugins.tsclass.network.IReverseProxyConfig[]) => {
        console.log('this is what got to the task:');
        console.log(reverseConfigs);
        logger.log('info', `routing setup task triggered`);
        logger.log('info', `Found ${reverseConfigs.length} host reverse configs!`);
        logger.log('info', `trying to deploy host candidates now`);
        await this.coretrafficRef.smartProxy.updateRoutes(this.createRoutesFromReverseConfigs(reverseConfigs));
      },
    });
  }

  private createRoutesFromReverseConfigs(
    reverseConfigs: plugins.tsclass.network.IReverseProxyConfig[]
  ): plugins.smartproxy.IRouteConfig[] {
    const responseHeaders = this.coretrafficRef.getDefaultResponseHeaders();
    const routes: plugins.smartproxy.IRouteConfig[] = [
      {
        name: 'http-to-https-redirect',
        match: {
          ports: 7999,
          protocol: 'http',
        },
        action: {
          type: 'socket-handler',
          socketHandler: plugins.smartproxy.SocketHandlers.httpRedirect('https://{domain}{path}', 301),
        },
        headers: {
          response: responseHeaders,
        },
      },
    ];

    for (const reverseConfig of reverseConfigs) {
      routes.push({
        name: `https-${reverseConfig.hostName}`,
        match: {
          ports: 8000,
          domains: reverseConfig.hostName,
          protocol: 'http',
        },
        action: {
          type: 'forward',
          targets: reverseConfig.destinationIps.flatMap((destinationIp) =>
            reverseConfig.destinationPorts.map((destinationPort) => ({
              host: destinationIp,
              port: destinationPort,
            }))
          ),
          tls: {
            mode: 'terminate',
            certificate: {
              key: reverseConfig.privateKey,
              cert: reverseConfig.publicKey,
            },
          },
        },
        headers: {
          response: responseHeaders,
        },
        security: reverseConfig.authentication
          ? {
              basicAuth: {
                enabled: true,
                users: [
                  {
                    username: reverseConfig.authentication.user,
                    password: reverseConfig.authentication.pass,
                  },
                ],
              },
            }
          : undefined,
      });
    }

    return routes;
  }

  public async start() {}

  public async stop() {}
}