import { ISqueebotCore, logger } from '@squeebot/core/lib/core';
import {
  Plugin,
  EventListener,
} from '@squeebot/core/lib/plugin';

class XProtocolPlugin extends Plugin {
  private core: ISqueebotCore | null = null;

  @EventListener('pluginUnload')
  public unloadEventHandler(plugin: string | Plugin): void {
    if (plugin === this.name || plugin === this) {
      this.core = null;
      this.emit('pluginUnloaded', this);
    }
  }

  public async sendTo(target: string, ...data: any[]): Promise<boolean> {
    if (!this.core) {
      return false;
    }

    // Find target plugin
    const rxSplit = target.split('/');
    const plugin = this.core.pluginManager.getLoadedByName(rxSplit[0]);
    if (!plugin || !plugin.service) {
      return false;
    }

    // Find target protocol
    const protocol = plugin.service.getProtocolByName(rxSplit[1]);
    if (!protocol || !protocol.running) {
      return false;
    }

    return protocol.sendTo(target, ...data);
  }

  initialize(): void {
    this.on('core', (core: ISqueebotCore) => {
      this.core = core;
    });

    this.emitTo('core', 'request-core', this.name);

    this.on('send', (data: any[]) => {
      const target = data[0];
      this.sendTo(target, ...data.slice(1)).catch((error: Error) => {
        logger.error(`[xprotocol] Sending to protocol from event failed:`, error.message ?? error);
      });
    });
  }
}

module.exports = XProtocolPlugin;