pub mod connection;
pub mod crc32c;
pub mod discovery;
pub mod login;
pub mod pdu;
pub mod scsi;
pub mod tools;

pub use connection::IscsiConnection;
pub use pdu::IscsiPdu;
pub use scsi::ScsiCommand;

pub type Result<T> = std::result::Result<T, Error>;

#[derive(Debug, thiserror::Error)]
pub enum Error {
    #[error("IO error: {0}")]
    Io(#[from] std::io::Error),

    #[error("Protocol error: {0}")]
    Protocol(String),

    #[error("SCSI error: {0}")]
    Scsi(String),

    #[error("Connection error: {0}")]
    Connection(String),

    #[error("PDU parse error: {0}")]
    PduParse(String),
}

/// iSCSI Initiator main entry point
pub struct Initiator {
    connections: Vec<connection::IscsiConnection>,
}

impl Initiator {
    pub fn new() -> Self {
        Self {
            connections: Vec::new(),
        }
    }

    pub async fn connect(&mut self, addr: &str) -> Result<()> {
        let conn = connection::IscsiConnection::connect(addr).await?;
        self.connections.push(conn);
        Ok(())
    }
}