//! Terminal adapter around the shared client transport.
//!
//! All protocol work (TLS, TOFU, HELLO, auto-login) lives in
//! `zagan_bet::client::transport`; this file only decides how to ask a
//! terminal player about a new certificate and how to print the result.

use parking_lot::Mutex;
use std::error::Error;
use zagan_bet::client::transport::{self, TrustPrompt};
use zagan_bet::client::ui::first_contact_lines;
use zagan_bet::version::{VERSION, is_newer};

pub use zagan_bet::client::transport::TlsStream;

static UNSAFE_MODE: Mutex<bool> = Mutex::new(false);

pub fn set_unsafe_mode(unsafe_mode: bool) {
    *UNSAFE_MODE.lock() = unsafe_mode;
}

pub fn connect(
    addr: &str,
    conn: &rusqlite::Connection,
) -> Result<(TlsStream, Option<String>, u64), Box<dyn Error>> {
    let unsafe_mode = *UNSAFE_MODE.lock();

    // The terminal has no dialog: print the first-contact notice and trust.
    let mut trust = |prompt: &TrustPrompt| {
        for line in first_contact_lines(&prompt.addr, &prompt.fingerprint) {
            println!("{line}");
        }
        true
    };

    let connected = transport::connect(addr, conn, unsafe_mode, &mut trust)
        .map_err(|error| Box::new(error) as Box<dyn Error>)?;

    println!(
        "\n\rConnected to {} with ping delay: {:.1}ms (TLS)",
        addr,
        connected.elapsed.as_secs_f64() * 1000.0
    );
    if is_newer(&connected.latest, VERSION) {
        println!(
            "A newer version is available: {} ({})",
            connected.latest, connected.url
        );
    }
    if let Some(user) = &connected.user {
        println!("Authenticated as {user}");
    }
    if let Some(error) = &connected.auth_error {
        println!("Authentication failed: {error}");
    }

    Ok((connected.stream, connected.user, connected.server_time))
}