#!/usr/bin/env node

const { program } = require('commander');

const fs = require('fs');

const path = require('path');

program

.version('1.0.0')

.description('Convert experiment log formats');

program

.command('convert <inputFormat> <outputFormat> <inputFilePath> <outputFilePath>')

.description('Convert log file from one format to another')

.option('-d, --delimiter <delimiter>', 'Delimiter for log entries (default: \\n)')

.action((inputFormat, outputFormat, inputFilePath, outputFilePath, options) => {

const delimiter = options.delimiter || '\n';

try {

const logEntries = fs.readFileSync(inputFilePath, 'utf8').split(delimiter);

let convertedEntries = [];

for (const entry of logEntries) {

// Basic conversion logic - customize as needed

let convertedEntry = entry;

if (inputFormat === 'raw' && outputFormat === 'json') {

try {

const parsed = JSON.parse(entry);

convertedEntry = JSON.stringify(parsed, null, 2); //pretty print

} catch (e) {

console.error(`Error parsing JSON: ${e}`);

convertedEntry = `Error: Invalid JSON - ${entry}`;

}

} else if (inputFormat === 'json' && outputFormat === 'raw') {

try {

const parsed = JSON.parse(entry);

convertedEntry = JSON.stringify(parsed);

} catch (e) {

console.error(`Error parsing JSON: ${e}`);

convertedEntry = `Error: Invalid JSON - ${entry}`;

}

} else if (inputFormat === 'raw' && outputFormat === 'csv') {

// Simple split by comma

convertedEntry = entry.split(',').join(',');

}

//Add more conversion rules as needed

convertedEntries.push(convertedEntry);

}

fs.writeFileSync(outputFilePath, convertedEntries.join(delimiter), 'utf8');

console.log(`Successfully converted ${inputFilePath} to ${outputFilePath}`);

} catch (err) {

console.error(`Error processing files: ${err.message}`);

}

});

program.parse(process.argv);