//! Run with: cargo run --example printer_polymorphism
//!
//! Demonstrates the trait+enum pattern that stands in for inheritance:
//! - `connect()` is called the same way regardless of vendor (polymorphism),
//!   but each variant's `impl GenericPrinter` runs completely different
//!   code (override).
//! - `dispatch_gcode()` only exists on `BambuPrinter` (extension) — you
//!   have to `match` the enum back down to the concrete type to reach it,
//!   which is the trade-off for not having implicit downcasting.

use continuum_proxy::printer::{
    BambuPrinter, BambuTls, GenericPrinter, KlipperPrinter, PrinterHandle, PrusaLinkPrinter, PrusaSerialPrinter,
};

#[tokio::main]
async fn main() {
    let mut fleet: Vec<PrinterHandle> = vec![
        PrinterHandle::BambuV1(BambuPrinter::new("p1", "P1S", "192.168.1.49", "87654321", BambuTls::BundledCa)),
        PrinterHandle::BambuV2(BambuPrinter::new("p2", "X1 Carbon", "192.168.1.50", "12345678", BambuTls::BundledCa)),
        PrinterHandle::PrusaLink(PrusaLinkPrinter::new("p3", "MK4", "192.168.1.51", "prusa-api-key")),
        PrinterHandle::PrusaSerial(PrusaSerialPrinter::new("p4", "MK3S+", 0)),
        PrinterHandle::Klipper(KlipperPrinter::new("p5", "Voron 2.4", "192.168.1.52")),
        // No host configured — this one will hit the Err path.
        PrinterHandle::Klipper(KlipperPrinter::new("p6", "Broken Voron", "")),
    ];

    // Uniform call site: every printer connects the same way from the
    // caller's point of view, even though each variant's `connect()` body
    // is an unrelated implementation.
    for printer in &mut fleet {
        match printer.connect().await {
            Ok(()) => println!("  -> connected: {}\n", printer.display_name()),
            Err(err) => println!("  -> failed: {err}\n"),
        }
    }

    // Vendor-only extension: reachable only after matching the concrete
    // variant back out of the enum. Both Bambu variants wrap the same
    // BambuPrinter struct right now, so both get dispatch_gcode().
    for printer in &fleet {
        if let PrinterHandle::BambuV1(bambu) | PrinterHandle::BambuV2(bambu) = printer {
            bambu.dispatch_gcode("part.gcode.3mf");
        }
    }
}