use crate::bitcoin::clients;
use bdk_wallet::bitcoin::{Amount, Network};
use tracing_subscriber::filter::EnvFilter;
use tracing_subscriber::util::SubscriberInitExt;
use tracing_subscriber::{fmt, layer::SubscriberExt};

pub(crate) async fn simple_transfer() -> Result<(), anyhow::Error> {
    tracing_setup();

    let mut dave = clients::esplora::create_wallet("dave", Network::Signet)?;
    let mut sammy = clients::esplora::create_wallet("sammy", Network::Signet)?;

    let _next_address = dave.next_unused_address()?;

    let _ = dave.balance();
    dave.sync().await?;
    let _ = dave.balance();

    let _sammy = sammy.balance();
    sammy.sync().await?;
    let _ = sammy.balance();


    let send_amount = Amount::from_sat(500);
   ensure_enough_sats(dave, send_amount);

    let sammy_address = sammy.next_unused_address()?.address;
    let tx = dave.build_and_sign_send_tx(sammy_address, send_amount)?;
    dave.broadcast(&tx).await?;

    Ok(())
}

/// Exit if the wallet does not have enough sats to send.
fn ensure_enough_sats(wallet: EsploraWallet, send_amount: bitcoin::Amount) -> _ {
    if wallet.balance().total() < send_amount {
        tracing::error!(
            "Please send at least {} sats to the receiving address. Exiting.",
            send_amount
        );
        std::process::exit(0);
    }
}

pub(crate) async fn htlc() -> anyhow::Result<()> {
    // dave will be our sender
    let mut dave = clients::esplora::create_wallet("dave", Network::Signet)?;

    // sammy will be our liquidity router
    let mut sammy = clients::esplora::create_wallet("sammy", Network::Signet)?;

    Ok(())
}

fn tracing_setup() {
    tracing_subscriber::registry()
        .with(fmt::layer())
        .with(EnvFilter::from_default_env())
        .init();

    tracing::info!("Tracing initialized.");
}