#!/usr/bin/env node

import { loadSession } from './api';
import { appCommands } from './app';
import { bundleCommands } from './bundle';
import { moduleManager } from './module-manager';
import { builtinModules } from './modules';
import { packageCommands } from './package';
import type { CommandContext } from './types';
import { userCommands } from './user';
import { printVersionCommand } from './utils';
import { t } from './utils/i18n';
import { versionCommands } from './versions';

function registerBuiltinModules() {
  for (const module of builtinModules) {
    try {
      moduleManager.registerModule(module);
    } catch (error) {
      console.error(`Failed to register module ${module.name}:`, error);
    }
  }
}

function printUsage() {
  console.log('React Native Update CLI');
  console.log('');
  console.log('Traditional commands:');
  
  const legacyCommands = {
    ...userCommands,
    ...bundleCommands,
    ...appCommands,
    ...packageCommands,
    ...versionCommands,
  };
  
  for (const [name, handler] of Object.entries(legacyCommands)) {
    console.log(`  ${name}: Legacy command`);
  }

  console.log('');
  console.log('Modular commands:');
  const commands = moduleManager.getRegisteredCommands();
  for (const command of commands) {
    console.log(
      `  ${command.name}: ${command.description || 'No description'}`,
    );
  }

  console.log('');
  console.log('Available workflows:');
  const workflows = moduleManager.getRegisteredWorkflows();
  for (const workflow of workflows) {
    console.log(
      `  ${workflow.name}: ${workflow.description || 'No description'}`,
    );
  }

  console.log('');
  console.log('Special commands:');
  console.log('  list: List all available commands and workflows');
  console.log('  workflow <name>: Execute a specific workflow');
  console.log('  help: Show this help message');
  
  console.log('');
  console.log(
    'Visit `https://github.com/reactnativecn/react-native-update` for document.',
  );
  process.exit(1);
}

const legacyCommands = {
  ...userCommands,
  ...bundleCommands,
  ...appCommands,
  ...packageCommands,
  ...versionCommands,
  help: printUsage,
};

async function run() {
  await printVersionCommand();
  if (process.argv.indexOf('-v') >= 0 || process.argv[2] === 'version') {
    process.exit();
  }

  // Register builtin modules for modular functionality
  registerBuiltinModules();

  const argv = require('cli-arguments').parse(require('../cli.json'));
  global.NO_INTERACTIVE = argv.options['no-interactive'];
  global.USE_ACC_OSS = argv.options.acc;

  const context: CommandContext = {
    args: argv.args || [],
    options: argv.options || {},
  };

  try {
    await loadSession();
    context.session = require('./api').getSession();

    // Handle special modular commands first
    if (argv.command === 'help') {
      printUsage();
    } else if (argv.command === 'list') {
      moduleManager.listAll();
    } else if (argv.command === 'workflow') {
      const workflowName = argv.args[0];
      if (!workflowName) {
        console.error('Workflow name is required');
        process.exit(1);
      }
      const result = await moduleManager.executeWorkflow(workflowName, context);
      if (!result.success) {
        console.error('Workflow execution failed:', result.error);
        process.exit(1);
      }
      console.log('Workflow completed successfully:', result.data);
    } 
    // Try legacy commands first for backward compatibility
    else if (legacyCommands[argv.command]) {
      await legacyCommands[argv.command](argv);
    }
    // Fall back to modular commands
    else {
      const result = await moduleManager.executeCommand(argv.command, context);
      if (!result.success) {
        console.error('Command execution failed:', result.error);
        process.exit(1);
      }
      console.log('Command completed successfully:', result.data);
    }
  } catch (err: any) {
    if (err.status === 401) {
      console.log(t('loginFirst'));
      return;
    }
    console.error(err.stack);
    process.exit(-1);
  }
}

export { moduleManager };
export { CLIProviderImpl } from './provider';
export type {
  CLIProvider,
  CLIModule,
  CommandDefinition,
  CustomWorkflow,
  WorkflowStep,
} from './types';

run();