// Load the fs module to read files
const fs = require('fs');
// Define the path to the json file
const filePath = 'bluemoon_roleplay_300k_vicuna.json';
const csvPath = 'data/rawData.csv';

cleanLineEndings();
validate();

function cleanLineEndings()
{
	fs.readFile(filePath, 'utf8', (err, data) =>
	{
		const json = JSON.parse(data);
		for (const entry of json)
		{
			for (const conversation of entry["conversations"])
			{
				conversation["value"] = conversation["value"].replace("\"\r", "");
			}
		}
		
		const output = JSON.stringify(json, null, 2);
		fs.writeFile('./cleanedup.json', output, 'utf8', (err) =>
		{
		});
	});
}

function convertToJson()
{
	fs.readFile(csvPath, "utf-8", (err, data) =>
	{
		if (err)
		{
			console.error(err);
			return;
		}
		// Use the csvToJson function to convert the data to json
		const json = csvToJson(data);
		fs.writeFile("data/rawData.json", json, (err) =>
		{
			if (err)
			{
				console.error(err);
				return;
			}
			console.log("File saved successfully");
		});

		// Do something with the json
	});
}

//Read the file asynchronously and parse it as json
function validate()
{
	fs.readFile(filePath, 'utf8', (err, data) =>
	{
		if (err)
		{
			console.error(err);
			return;
		}
		const json = JSON.parse(data);

		// Create an empty object to store the results
		const result = {};

		// Loop through each entry in the json array
		for (const entry of json)
		{
			// Get the url and message_username fields from the entry
			const url = entry.thread_href;
			const message_username = entry.message_username;

			// If the url is not already in the result object, create an empty set for it
			if (!result[url])
			{
				result[url] = new Set();
			}

			// Add the message_username to the set for the url
			result[url].add(message_username);
		}

		// Loop through each url in the result object and get the size of the set
		let foundThreads = 0;
		for (const url in result)
		{
			// Get the set of message_usernames for the url
			const usernames = result[url];

			// Get the count of unique message_usernames by getting the size of the set
			const count = usernames.size;

			// Print the url and the count
			if (count > 2)
			{
				foundThreads++;
				console.log(`${url}: ${count} `);
			}
		}
		console.log("Threads non-two chatters: " + foundThreads);
	});
}

function removedNonTwoConvos()
{
	let removedCount = 0;
	fs.readFile(filePath, 'utf8', (err, data) =>
	{
		if (err)
		{
			console.error(err);
			return;
		}
		const obj = JSON.parse(data);

		// Group the entries by thread_href using a Map
		const map = new Map();
		for (const entry of obj)
		{
			const key = entry.thread_href;
			const value = map.get(key) || [];
			value.push(entry);
			map.set(key, value);
		}

		// Filter out the threads with more than two different message_username entries
		const result = [];
		for (const [key, value] of map)
		{
			const usernames = new Set();
			for (const entry of value)
			{
				usernames.add(entry.message_username);
			}
			if (usernames.size == 2)
			{
				result.push(...value);
			}
			else
			{
				removedCount++;
			}
		}

		// Stringify the result and write it to a new file
		const output = JSON.stringify(result, null, 2);
		fs.writeFile('./two-chatter-only.json', output, 'utf8', (err) =>
		{
			if (err)
			{
				console.error(err);
				return;
			}
			console.log('Output written to output.json | Removed Threads: ' + removedCount);
		});
	});
}

// Define a function that takes a csv string as an argument
function csvToJson(csv) {
	// Split the csv string by newline characters to get an array of rows
	const rows = csv.split("\n");
	// Get the first row as an array of headers
	const headers = rows[0].replace("\r", "").split(",");

	// Create an empty array to store the json objects
	const json = [];

	// Loop through the remaining rows
	for (let i = 1; i < rows.length; i++) {
	// Get the current row as an array of values
	const values = rows[i].split(/,(?=(?:(?:[^"]*"){2})*[^"]*$)/);

	// Create an empty object to store the key-value pairs
	const obj = {};

	// Loop through the headers and values and assign them to the object
	for (let j = 0; j < headers.length; j++)
	{
		if (headers[j] !== "id" && values[j] != undefined)
		{
			obj[headers[j]] = values[j].replace(/^"|"$/g, "").replace(/""/g, "\"").replace("\"\r", "");
		}
	}

	// Push the object to the json array
	json.push(obj);
	}

	// Return the json array as a string
	return JSON.stringify(json, null, 2);
}