import chalk from 'chalk';
import { Command } from 'commander';
import {
  getGlobalConfig,
  HEXASYNC_CONNECTOR_CONFIG,
} from '../helpers/cluserHelper';
import { parse, stringify } from 'yaml';
import fs from 'fs';
import inquirer from 'inquirer';

export function CreateConnectorCommand(): Command {
  const cmd = new Command('create')
    .alias('c')
    .description('Create a connector')
    .action(async () => {
      var connectorConfigPath = HEXASYNC_CONNECTOR_CONFIG;
      var connectorConfigs =
        parse(fs.readFileSync(connectorConfigPath, 'utf8')) || {};
      var connectors = connectorConfigs.connectors || [];

      // Prompt user for connector details
      const answers = await inquirer.prompt([
        {
          type: 'input',
          name: 'name',
          message: 'Enter the connector name:',
          validate: (input) => input.trim() !== '' || 'Name is required.',
        },
        {
          type: 'input',
          name: 'connectorId',
          message: 'Enter the connector ID (UUID):',
          validate: (input) =>
            /^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/.test(
              input,
            ) || 'Please enter a valid UUID.',
        },
        {
          type: 'input',
          name: 'fullName',
          message: 'Enter the full name (defaults to name):',
          default: (answers) => answers.name,
        },
        {
          type: 'input',
          name: 'description',
          message: 'Enter the description (defaults to name):',
          default: (answers) => answers.name,
        },
        {
          type: 'input',
          name: 'slug',
          message:
            'Enter the slug (defaults to initials of name in lowercase):',
          default: (answers) =>
            answers.name
              .split(' ')
              .map((word) => word[0].toLowerCase())
              .join(''),
        },
      ]);

      // Append the new connector to the connectors array
      connectors.push({
        name: answers.name,
        fullName: answers.fullName,
        description: answers.description,
        slug: answers.slug,
        connectorId: answers.connectorId,
      });

      // Save the updated connectors to the configuration file
      connectorConfigs.connectors = connectors;
      fs.writeFileSync(
        connectorConfigPath,
        stringify(connectorConfigs, { keepSourceTokens: true, lineWidth: 0 }),
      );

      console.log(
        `${chalk.green('✓')} Connector ${chalk.blue(answers.name)} has been successfully created.`,
      );
    });
  return cmd;
}

export function ConnectorCommand(): Command {
  const cmd = new Command('connector')
    .alias('cn')
    .description(
      'Provides a list of commands that are helpful for building connectors',
    );

  cmd.addCommand(CreateConnectorCommand());
  return cmd;
}