require('dotenv').config();
const config = require('./config');

const { ImapFlow } = require('imapflow');
const client = new ImapFlow(config);

const main = async () => {
    // Wait until client connects and authorizes
    await client.connect();

    // Select and lock a mailbox. Throws if mailbox does not exist
    let lock = await client.getMailboxLock('INBOX');
    try {
        let options = [
            { unseen: true },
            {
                envelope: true,
                flags: true,
                labels: true,
                headers: true
            }
        ];
        for await (let message of client.fetch(...options)) {
            let from = (message.envelope.from.map((address) => {
                return `${address.name} <${address.address}>`;
            })).join(',');

            console.log(`${message.uid}: ${message.envelope.date} ${message.envelope.subject} "${from}"`);
            console.trace(message);
        }

    } finally {
        // Make sure lock is released, otherwise next `getMailboxLock()` never returns
        lock.release();
    }

    await client.messageFlagsSet({all: true}, ['\Seen']);

    // log out and close connection
    await client.logout();
};

main().catch(err => console.error(err));