import * as plugins from './moxytool.plugins.ts';
import { logger } from './moxytool.logging.ts';
import type { IScriptMetadata } from './moxytool.classes.scriptindex.ts';

/**
 * ScriptRunner class handles the execution of Proxmox community scripts
 * - Executes scripts via bash with curl
 * - Ensures proper stdin/stdout/stderr passthrough for interactive prompts
 * - Handles script exit codes
 */
export class ScriptRunner {
  private static readonly SCRIPT_BASE_URL =
    'https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main';

  /**
   * Execute a community script
   * @param script The script metadata
   * @returns The exit code of the script
   */
  public async execute(script: IScriptMetadata): Promise<number> {
    try {
      // Get the script URL from install_methods
      if (!script.install_methods || script.install_methods.length === 0) {
        logger.log('error', 'Script has no install methods defined');
        return 1;
      }

      const installMethod = script.install_methods[0];
      const scriptPath = installMethod.script;

      if (!scriptPath) {
        logger.log('error', 'Script path is not defined');
        return 1;
      }

      // Construct the full script URL
      const scriptUrl = `${ScriptRunner.SCRIPT_BASE_URL}${scriptPath}`;

      logger.log('info', `Executing script: ${script.name}`);
      logger.log('info', `URL: ${scriptUrl}`);
      logger.log('info', '');

      // Show script details
      if (script.description) {
        logger.log('info', `Description: ${script.description}`);
      }

      if (script.notes && script.notes.length > 0) {
        logger.log('info', '');
        logger.log('info', 'Important Notes:');
        for (const note of script.notes) {
          const prefix = note.type === 'warning' ? '⚠️  ' : 'ℹ️  ';
          logger.log('warn', `${prefix}${note.content}`);
        }
      }

      if (installMethod.resources) {
        logger.log('info', '');
        logger.log('info', 'Resource Requirements:');
        if (installMethod.resources.cpu) {
          logger.log('info', `  CPU: ${installMethod.resources.cpu} cores`);
        }
        if (installMethod.resources.ram) {
          logger.log('info', `  RAM: ${installMethod.resources.ram} MB`);
        }
        if (installMethod.resources.hdd) {
          logger.log('info', `  Disk: ${installMethod.resources.hdd} GB`);
        }
        if (installMethod.resources.os) {
          logger.log(
            'info',
            `  OS: ${installMethod.resources.os} ${installMethod.resources.version || ''}`,
          );
        }
      }

      logger.log('info', '');
      logger.log('info', 'Starting installation...');
      logger.log('info', '═'.repeat(60));
      logger.log('info', '');

      // Execute the script using smartshell
      // The command structure: bash -c "$(curl -fsSL <url>)"
      const smartshellInstance = new plugins.smartshell.Smartshell({
        executor: 'bash',
      });

      // Construct the command that will be executed
      const command = `bash -c "$(curl -fsSL ${scriptUrl})"`;

      // Execute with inherited stdio for full interactivity
      const result = await smartshellInstance.exec(command);

      logger.log('info', '');
      logger.log('info', '═'.repeat(60));

      if (result.exitCode === 0) {
        logger.log('success', `✓ Script completed successfully`);

        if (script.interface_port) {
          logger.log('info', '');
          logger.log('info', `Access the service at: http://<your-ip>:${script.interface_port}`);
        }

        if (script.default_credentials) {
          logger.log('info', '');
          logger.log('info', 'Default Credentials:');
          if (script.default_credentials.username) {
            logger.log('info', `  Username: ${script.default_credentials.username}`);
          }
          if (script.default_credentials.password) {
            logger.log('info', `  Password: ${script.default_credentials.password}`);
          }
        }

        if (script.documentation) {
          logger.log('info', '');
          logger.log('info', `Documentation: ${script.documentation}`);
        }
      } else {
        logger.log('error', `✗ Script failed with exit code: ${result.exitCode}`);
        if (result.stderr) {
          logger.log('error', `Error output: ${result.stderr}`);
        }
      }

      return result.exitCode;
    } catch (error) {
      logger.log('error', `Failed to execute script: ${error}`);
      return 1;
    }
  }

  /**
   * Validate that we're running on a Proxmox host
   */
  public async validateProxmoxHost(): Promise<boolean> {
    try {
      const smartshellInstance = new plugins.smartshell.Smartshell({
        executor: 'bash',
      });

      const result = await smartshellInstance.exec('which pveversion');
      return result.exitCode === 0;
    } catch {
      return false;
    }
  }

  /**
   * Get Proxmox version information
   */
  public async getProxmoxVersion(): Promise<string | null> {
    try {
      const smartshellInstance = new plugins.smartshell.Smartshell({
        executor: 'bash',
      });

      const result = await smartshellInstance.exec('pveversion');

      if (result.exitCode === 0 && result.stdout) {
        return result.stdout.trim();
      }

      return null;
    } catch {
      return null;
    }
  }
}