index.js

'use strict';

const { Client, GatewayIntentBits, SlashCommandBuilder, REST, Routes } = require('discord.js');

const AGENT_BASE = (process.env.UCASH_AGENT_BASE || 'https://agents.u.cash').replace(/\/+$/, '');
const UXC_API_KEY = process.env.UXC_API_KEY || '';
const BASE = (process.env.UCASH_BASE_URL || 'https://pay.u.cash').replace(/\/+$/, '');

// Credentials can come from env vars OR from pay.u.cash Settings (read via /v1/integrations).
let CLOUD = process.env.UCASH_CLOUD_TOKEN || '';
let SERVER_ID = process.env.DISCORD_SERVER_ID || '';
let PAID_ROLE_ID = process.env.DISCORD_PAID_ROLE_ID || '';

async function loadCreds() {
	let discordToken = process.env.DISCORD_TOKEN || '';
	if (UXC_API_KEY) {
		try {
			const res = await fetch(`${AGENT_BASE}/v1/integrations`, { headers: { 'X-Api-Key': UXC_API_KEY } });
			const j = await res.json();
			if (j && j.discord) {
				discordToken = j.discord.bot_token || discordToken;
				SERVER_ID = j.discord.server_id || SERVER_ID;
				PAID_ROLE_ID = j.discord.paid_role_id || PAID_ROLE_ID;
			}
		} catch (e) {
			console.error('Could not read Discord creds from pay.u.cash /v1/integrations:', e.message);
		}
	}
	return discordToken;
}

const client = new Client({ intents: [GatewayIntentBits.Guilds] });

const commands = [
	new SlashCommandBuilder()
		.setName('pay')
		.setDescription('Create a U.CASH Pay checkout link (crypto + cards)')
		.addStringOption((o) => o.setName('amount').setDescription('Amount to charge').setRequired(true))
		.addStringOption((o) => o.setName('currency').setDescription('Currency code (default USD)').setRequired(false))
		.addStringOption((o) => o.setName('title').setDescription('Title shown on checkout').setRequired(false))
		.addStringOption((o) => o.setName('external_reference').setDescription('Your reference id').setRequired(false)),
].map((c) => c.toJSON());

client.once('ready', async () => {
	try {
		const rest = new REST().setToken(client.token);
		await rest.put(Routes.applicationCommands(client.user.id), { body: commands });
		console.log(`U.CASH Pay bot online as ${client.user.tag}`);
	} catch (e) {
		console.error('Failed to register slash commands:', e);
	}
});

client.on('interactionCreate', async (interaction) => {
	if (!interaction.isChatInputCommand() || interaction.commandName !== 'pay') return;
	if (!CLOUD) {
		await interaction.reply('Not configured: set the store Cloud Token (UCASH_CLOUD_TOKEN) or configure it in pay.u.cash.');
		return;
	}
	const amount = interaction.options.getString('amount');
	const currency = interaction.options.getString('currency') || 'USD';
	const title = interaction.options.getString('title') || '';
	const external = interaction.options.getString('external_reference') || '';
	const params = new URLSearchParams({ cloud: CLOUD, amount, currency });
	if (title) params.set('title', title);
	if (external) params.set('external_reference', external);
	await interaction.reply(`Pay with U.CASH (${amount} ${currency}): ${BASE}/embed.php?${params.toString()}`);
});

(async () => {
	const token = await loadCreds();
	if (!token) {
		console.error('No Discord token. Set DISCORD_TOKEN (env) or store it in pay.u.cash Settings and set UXC_API_KEY.');
		process.exit(1);
	}
	await client.login(token);
})();