//! Persistent caches and guest builds shared by the host integration modules.
use std::{
    path::{Path, PathBuf},
    sync::OnceLock,
};

pub const CACHE: &str = concat!(env!("CARGO_TARGET_TMPDIR"), "/cache");

pub fn build(package: &str, binary: &str) -> PathBuf {
    let root = Path::new(env!("CARGO_MANIFEST_DIR")).parent().unwrap();
    let target = Path::new(concat!(env!("CARGO_TARGET_TMPDIR"), "/guests"));
    assert!(
        std::process::Command::new("cargo")
            .args([
                "build",
                "--offline",
                "--target",
                "wasm32-wasip2",
                "--manifest-path"
            ])
            .arg(root.join(package).join("Cargo.toml"))
            .arg("--target-dir")
            .arg(target)
            .status()
            .unwrap()
            .success()
    );
    target
        .join("wasm32-wasip2/debug")
        .join(format!("{binary}.wasm"))
}

pub fn probe() -> PathBuf {
    static WASM: OnceLock<PathBuf> = OnceLock::new();
    WASM.get_or_init(|| build("cli/tests/plugins/probe", "probe"))
        .clone()
}

pub fn sdk_probe() -> PathBuf {
    static WASM: OnceLock<PathBuf> = OnceLock::new();
    WASM.get_or_init(|| build("sdk/tests/plugins/probe", "sdk-probe"))
        .clone()
}