import * as plugins from '../../plugins.js';
import * as paths from '../../paths.js';
import { tspmIpcClient } from '../../client/tspm.ipcclient.js';
import { Logger } from '../../shared/common/utils.errorhandler.js';
import type { CliArguments } from '../types.js';
import { pad } from '../helpers/formatting.js';
import { formatMemory } from '../helpers/memory.js';

export function registerDefaultCommand(smartcli: plugins.smartcli.Smartcli) {
  const cliLogger = new Logger('CLI');
  const tspmProjectinfo = new plugins.projectinfo.ProjectInfo(paths.packageDir);

  smartcli.standardCommand().subscribe({
    next: async (argvArg: CliArguments) => {
      console.log(
        `TSPM - TypeScript Process Manager v${tspmProjectinfo.npm.version}`,
      );
      console.log('Usage: tspm [command] [options]');
      console.log('\nService Management:');
      console.log(
        '  enable                   Enable TSPM as system service (systemd)',
      );
      console.log('  disable                  Disable TSPM system service');
      console.log('\nProcess Commands:');
      console.log('  start <script>           Start a process');
      console.log('  list                     List all processes');
      console.log('  stop <id>                Stop a process');
      console.log('  restart <id>             Restart a process');
      console.log('  delete <id>              Delete a process');
      console.log('  describe <id>            Show details for a process');
      console.log('  logs <id>                Show logs for a process');
      console.log('  start-all                Start all saved processes');
      console.log('  stop-all                 Stop all processes');
      console.log('  restart-all              Restart all processes');
      console.log('\nDaemon Commands:');
      console.log(
        '  daemon start             Start daemon manually (current session)',
      );
      console.log('  daemon stop              Stop the daemon');
      console.log('  daemon status            Show daemon status');
      console.log(
        '\nUse tspm [command] --help for more information about a command.',
      );

      // Show current process list
      console.log('\nProcess List:');

      try {
        const response = await tspmIpcClient.request('list', {});
        const processes = response.processes;

        if (processes.length === 0) {
          console.log(
            '  No processes running. Use "tspm start" to start a process.',
          );
        } else {
          console.log(
            '┌─────────┬─────────────┬───────────┬───────────┬──────────┐',
          );
          console.log(
            '│ ID      │ Name        │ Status    │ Memory    │ Restarts │',
          );
          console.log(
            '├─────────┼─────────────┼───────────┼───────────┼──────────┤',
          );

          for (const proc of processes) {
            const statusColor =
              proc.status === 'online'
                ? '\x1b[32m'
                : proc.status === 'errored'
                  ? '\x1b[31m'
                  : '\x1b[33m';
            const resetColor = '\x1b[0m';

            console.log(
              `│ ${pad(proc.id, 7)} │ ${pad(proc.id, 11)} │ ${statusColor}${pad(proc.status, 9)}${resetColor} │ ${pad(formatMemory(proc.memory), 9)} │ ${pad(proc.restarts.toString(), 8)} │`,
            );
          }

          console.log(
            '└─────────┴─────────────┴───────────┴───────────┴──────────┘',
          );
        }

        // Disconnect from daemon after getting list
        await tspmIpcClient.disconnect();
      } catch (error) {
        console.error('Error: TSPM daemon is not running.');
        console.log('\nTo start the daemon, run one of:');
        console.log('  tspm daemon start   - Start for this session only');
        console.log(
          '  tspm enable         - Enable as system service (recommended)',
        );
      }
    },
    error: (err) => {
      cliLogger.error(err);
    },
    complete: () => {},
  });
}