/*
 * This file is part of mailpot
 *
 * Copyright 2020 - Manos Pitsidianakis
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

use mailpot::{models::*, queue::Queue, Configuration, Connection, SendMail};
use mailpot_tests::init_stderr_logging;
use tempfile::TempDir;

#[test]
fn test_accounts() {
    init_stderr_logging();

    const SSH_KEY: &[u8] = include_bytes!("./ssh_key.pub");

    let tmp_dir = TempDir::new().unwrap();

    let db_path = tmp_dir.path().join("mpot.db");
    let config = Configuration {
        send_mail: SendMail::ShellCommand("/usr/bin/false".to_string()),
        db_path,
        data_path: tmp_dir.path().to_path_buf(),
        administrators: vec![],
    };

    let db = Connection::open_or_create_db(config).unwrap().trusted();
    assert!(db.lists().unwrap().is_empty());
    let foo_chat = db
        .create_list(MailingList {
            pk: 0,
            name: "foobar chat".into(),
            id: "foo-chat".into(),
            address: "foo-chat@example.com".into(),
            description: None,
            topics: vec![],
            archive_url: None,
        })
        .unwrap();

    assert_eq!(foo_chat.pk(), 1);
    let lists = db.lists().unwrap();
    assert_eq!(lists.len(), 1);
    assert_eq!(lists[0], foo_chat);
    let post_policy = db
        .set_list_post_policy(PostPolicy {
            pk: 0,
            list: foo_chat.pk(),
            announce_only: false,
            subscription_only: true,
            approval_needed: false,
            open: false,
            custom: false,
        })
        .unwrap();

    assert_eq!(post_policy.pk(), 1);
    assert_eq!(db.queue(Queue::Error).unwrap().len(), 0);
    assert_eq!(db.list_subscriptions(foo_chat.pk()).unwrap().len(), 0);

    let db = db.untrusted();

    let subscribe_bytes = b"From: Name <user@example.com>
To: <foo-chat+subscribe@example.com>
Subject: subscribe
Date: Thu, 29 Oct 2020 13:58:16 +0000
Message-ID: <abcdefgh@sator.example.com>
Content-Language: en-US
Content-Type: text/html
Content-Transfer-Encoding: base64
MIME-Version: 1.0

";
    let envelope =
        melib::Envelope::from_bytes(subscribe_bytes, None).expect("Could not parse message");
    db.post(&envelope, subscribe_bytes, /* dry_run */ false)
        .unwrap();
    assert_eq!(db.list_subscriptions(foo_chat.pk()).unwrap().len(), 1);
    assert_eq!(db.queue(Queue::Error).unwrap().len(), 0);

    assert_eq!(db.account_by_address("user@example.com").unwrap(), None);

    println!(
        "Check that sending a password request without having an account creates the account."
    );
    const PASSWORD_REQ: &[u8] = b"From: Name <user@example.com>
To: <foo-chat+request@example.com>
Subject: password
Date: Thu, 29 Oct 2020 13:58:16 +0000
Message-ID: <abcdefgh@sator.example.com>
Content-Language: en-US
Content-Type: text/plain; charset=ascii
Content-Transfer-Encoding: 8bit
MIME-Version: 1.0

";
    let mut set_password_bytes = PASSWORD_REQ.to_vec();
    set_password_bytes.extend(SSH_KEY.iter().cloned());

    let envelope =
        melib::Envelope::from_bytes(&set_password_bytes, None).expect("Could not parse message");
    db.post(&envelope, &set_password_bytes, /* dry_run */ false)
        .unwrap();
    assert_eq!(db.queue(Queue::Error).unwrap().len(), 0);
    let acc = db.account_by_address("user@example.com").unwrap().unwrap();

    assert_eq!(
        acc.password.as_bytes(),
        SSH_KEY,
        "SSH public key / passwords didn't match. Account has {:?} but expected {:?}",
        String::from_utf8_lossy(acc.password.as_bytes()),
        String::from_utf8_lossy(SSH_KEY)
    );

    println!("Check that sending a password request with an account updates the password field.");

    let mut set_password_bytes = PASSWORD_REQ.to_vec();
    set_password_bytes.push(b'a');
    set_password_bytes.extend(SSH_KEY.iter().cloned());

    let envelope =
        melib::Envelope::from_bytes(&set_password_bytes, None).expect("Could not parse message");
    db.post(&envelope, &set_password_bytes, /* dry_run */ false)
        .unwrap();
    assert_eq!(db.queue(Queue::Error).unwrap().len(), 0);
    let acc = db.account_by_address("user@example.com").unwrap().unwrap();

    assert!(
        acc.password.as_bytes() != SSH_KEY,
        "SSH public key / password should have changed.",
    );
}