import path from 'node:path';
import chalk from 'chalk';
import fs from 'node:fs';

export const readPayloadFile = (params: { payloadsDirectory: string; fileName: string }) => {
  const { payloadsDirectory, fileName } = params;
  const filePath = path.join(payloadsDirectory, fileName);
  // Create the file if it doesn't exist
  if (fs.existsSync(filePath)) {
    const fileContent = fs.readFileSync(filePath, { encoding: 'utf8' });
    try {
      return JSON.parse(fileContent);
    } catch (error: any) {
      throw new Error(chalk.red(`Invalid JSON in ${filePath}: ${String(error.message)}`));
    }
  } else {
    fs.writeFileSync(filePath, '{}');
    console.log(chalk.red(`Initialized ${filePath} with empty JSON object.`));
    throw new Error(chalk.green(`Please add the product payload to ${filePath}`));
  }
};