// ==UserScript==
// @name         EpicOS (v1) - Rewritten
// @namespace    http://tampermonkey.net/
// @version      2024.12.23
// @license      Unlicense
// @description  A rewrite of the original 2015 web browser version of EpicOS for Multiplayer Piano.
// @author       Callum Fisher <cf.fisher.bham@gmail.com>
// @match        https://mppclone.com/*
// @match        https://mpp.8448.space/*
// @match        https://multiplayerpiano.com/*
// @match        https://multiplayerpiano.net/*
// @match        https://multiplayerpiano.org/*
// @match        https://piano.mpp.community/*
// @match        https://mpp.autoplayer.xyz/*
// @match        https://mpp.hyye.tk/*
// @match        https://mppclone.hri7566.info/*
// @match        https://piano.ourworldofpixels.com/*
// @match        https://mpp.hri7566.info/*
// @match        https://mppclone.hri7566.info/*
// @grant        none
// @downloadURL none
// ==/UserScript==

/* "EpicOS (v1) - Rewritten"
2024.12.21 - 2024.12.23

This is a rewrite of the original 2015 web browser version of EpicOS. I have:
- Compiled separate message listeners into one
- Changed the command handler to a switch statement
- Removed unnecessary type coercion

Callum Fisher <cf.fisher.bham@gmail.com

----

This is free and unencumbered software released into the public domain.

Anyone is free to copy, modify, publish, use, compile, sell, or
distribute this software, either in source code form or as a compiled
binary, for any purpose, commercial or non-commercial, and by any
means.

In jurisdictions that recognize copyright laws, the author or authors
of this software dedicate any and all copyright interest in the
software to the public domain. We make this dedication for the benefit
of the public at large and to the detriment of our heirs and
successors. We intend this dedication to be an overt act of
relinquishment in perpetuity of all present and future rights to this
software under copyright law.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

For more information, please refer to <https://unlicense.org/> */

window.onload = () => {

	// User-defined settings:

	let cmdChar = '/'; // What a message should start with to be recognized as a command - You can change this to anything
	let welcomeUsers = false; // Whether or not to welcome users that enter the room

	// Define settings:

	let selfID = MPP.client.getOwnParticipant()._id; // Your _ID on Multiplayer Piano

	// Define & compile command list:

	let commands = [
		'help',
		'lol',
		'test',
		'say',
		'encode (Encode text)',
		'decode (Decode text)',
		'myinfo',
		'8ball',
		'about'
	].join(', ');

	// Send a start-up message:

	// MPP.chat.send(`EpicOS (v1) is here! Type ${cmdChar}help for the command list.`);

	// Listen for 'hi' message & fetch _ID:

	MPP.client.on('hi', () => {
		selfID = MPP.client.getOwnParticipant()._id;
	});

	// Listen for chat messages:

	MPP.client.on('a', msg => {

      selfID = MPP.client.getOwnParticipant()._id;
		// if (msg.p._id === selfID) return;
		if (!msg.a.startsWith(cmdChar) || msg.a === cmdChar) return;

		let name = msg.p.name;
		let _id = msg.p._id;
		let color = msg.p.color;

		let cmd = msg.a.split(cmdChar)[1].split(' ')[0].trim();
		let input = msg.a.split(cmd)[1].trim();

		switch (cmd) {
			// Public commands:
			case 'help':
				MPP.chat.send(`✨✨ EpicOS commands: ${commands} ✨✨`);
				break;
			case 'test':
				MPP.chat.send(`The bot is active and working correctly, ${name}!`);
				break;
			case 'myinfo':
			case 'info':
				MPP.chat.send(`Hi, ${name}. Your _ID is '${_id}'. ${_id === msg.p.id ? '' : 'Your ID is: \'' + msg.p.id + '\'. '}Your colour is ${color} (${new Color(color).getName()}). That's all I have!`);
				break;
			case 'lol':
				MPP.chat.send(`${name} laughs so hard they begin to choke. *Hands ${name} a glass of water.*`);
				break;
			case 'say':
			case 'echo':
				if (!input) {
					MPP.chat.send(`Please input a word/sentence for me to say! :P (Example: ${cmdChar}${cmd} Hello!)`);
					return;
				} else if (input.startsWith(cmdChar)) {
					MPP.chat.send('Not today.');
					return;
				}
				MPP.chat.send(input);
				break;
			case '8ball':
				if (!input) {
					MPP.chat.send(`Please input something for the (ⁿᵒᵗ⁻ˢᵒ⁻ᵐᵃᵍᶦᶜ)8ball to respond to! (Example: ${cmdChar}${cmd} Are you clever?)`);
					return;
				}
				let responses = ['xD Lol no.', 'Hell no!', 'Are you kidding??? xD Lol no', 'Never.', 'Maybe.', 'Go away pls.', 'Yes. No question about it.', 'Yep, sure, whatever.', 'Did you say something?', 'Could you speak louder? I couldn\'t read that'];
				MPP.chat.send(`8ball: ${responses[Math.floor(Math.random() * responses.length)]}`);
				break;
			case 'encode':
				if (!input) {
					MPP.chat.send(`Please input something for me to encode! (Example: ${cmdChar}${cmd} Hello!)`);
					return;
				}
				MPP.chat.send(encode(input));
				break;
			case 'decode':
				if (!input) {
					MPP.chat.send(`Please input something for me to decode! (Example: ${cmdChar}${cmd} SGVsbG8h)`);
					return;
				}
				try {
					MPP.chat.send(`Here: ${decode(input)}`);
				} catch (err) {
					MPP.chat.send('Try something that has already been encoded.');
				}
				break;
			case 'binary':
				if (!input) {
					MPP.chat.send(`Please input something for me to convert to binary (Example: ${cmdChar}${cmd} Hello!)`);
					return;
				}
				MPP.chat.send(binary(input));
				break;
			case 'about':
				MPP.chat.send('EpicOS (v1) [2015] - Rewritten | 2024.12.21 - 2024.12.23 | Source: https://greasyfork.org/scripts/521353');
				break;
				// Private commands:
			case 'welcome':
				if (_id !== selfID) return;
				if (!input) {
					welcomeUsers = !welcomeUsers;
				} else {
					input = input.toLowerCase();
					welcomeUsers = input === 'on';
				}
				MPP.chat.send(`Welcome messages are ${welcomeUsers ? 'on' : 'off'}.`);
				break;
			case 'clear':
				if (_id !== selfID) return;
				MPP.chat.clear();
            break;
		}

	});

	// MPP.client.on("a", function(msg) { if (msg.a.split(' ')[0] == "hi" || msg.a.split(' ')[0] == "hey" || msg.a.split(' ')[0] == "hello") { if (msg.p._id == selfID) {} else { MPP.chat.send('EpicOS: Hi there, ' + msg.p.name + '!, how may i help you?') } }})

	// Listen for new users:

	MPP.client.on('participant added', msg => {
      if (msg.id && msg.id === MPP.client.getOwnParticipant().id) return;
      if (welcomeUsers) MPP.chat.send(`Welcome, ${msg.name}! Feel free to try out my commands by sending ${cmdChar}help`);
	});


	function binary (text) {
		let output = '';
		let input = text;
		for (let i = 0; i < input.length; i++) {
			let e = input[i].charCodeAt(0);
			let s = '';
			do {
				let a = e % 2;
				e = (e - a) / 2;
				s = a + s;
			} while (e != 0);
			while (s.length < 8) {
				s = '0' + s;
			}
			output += s + ' ';
		}
		return output;
	}

	function encode (text) {
		return window.btoa(unescape(encodeURIComponent(text)));
	}

	function decode (text) {
		return decodeURIComponent(escape(window.atob(text)));
	}
}