use std::str::FromStr;

use bdk_wallet::bitcoin::{Address, Amount, Network};

use crate::bitcoin::clients;

/// Demonstrates the use of bdk with the Esplora client.
///
/// This is more complex than the bare `bdk` crate, but the esplora client works.
///
/// Also, it very handily works with the mutinynet.com esplora server, which is configured
/// with 30 second block times.
pub(crate) async fn run() -> Result<(), anyhow::Error> {
    let (mut wallet, mut db) = clients::esplora::create_wallet("dave")?;

    let _next_address = clients::esplora::next_unused_address(&mut wallet, &mut db)?;

    let balance = wallet.balance();
    println!("Wallet balance before syncing: {} sats", balance.total());

    let client = clients::esplora::sync(&mut wallet, &mut db).await?;

    let balance = wallet.balance();
    println!("Wallet balance after syncing: {} sats", balance.total());

    let faucet_address = Address::from_str("mkHS9ne12qx9pS9VojpwU5xtRd4T7X7ZUt")?
        .require_network(Network::Signet)?;
    let send_amount = Amount::from_sat(5000);

    if balance.total() < send_amount {
        println!(
            "Please send at least {} sats to the receiving address",
            send_amount
        );
        std::process::exit(0);
    }

    let tx = clients::esplora::build_send_tx(wallet, faucet_address, send_amount)?;
    client.broadcast(&tx).await?;
    println!("Tx broadcasted! Txid: {}", tx.compute_txid());

    Ok(())
}