//! Embedding-ABI M1 CLI (spec §5): `ail build --emit=staticlib`
//! produces `lib<entry>.a` (program-only) + a separate
//! `libailang_rt.a`, and emits NO executable / NO `@main`.

use ailang_test_support::workspace_root;
use std::process::Command;

fn ail_bin() -> &'static str { env!("CARGO_BIN_EXE_ail") }

#[test]
fn staticlib_emit_produces_two_archives() {
    let fixture = workspace_root().join("examples").join("embed_backtest_step.ail");
    let outdir = std::env::temp_dir()
        .join(format!("ail-embed-cli-{}", std::process::id()));
    std::fs::create_dir_all(&outdir).unwrap();

    let out = Command::new(ail_bin())
        .args([
            "build", fixture.to_str().unwrap(),
            "--emit=staticlib",
            "-o", outdir.to_str().unwrap(),
        ])
        .output().expect("ail build --emit=staticlib");
    assert!(out.status.success(),
        "staticlib build failed: stdout={} stderr={}",
        String::from_utf8_lossy(&out.stdout),
        String::from_utf8_lossy(&out.stderr));

    assert!(outdir.join("libembed_backtest_step.a").exists(),
        "expected libembed_backtest_step.a in {outdir:?}");
    assert!(outdir.join("libailang_rt.a").exists(),
        "expected separate libailang_rt.a in {outdir:?}");
}

#[test]
fn staticlib_emit_requires_an_export() {
    // embed_noentry_baseline has no `(export …)` fn.
    let fixture = workspace_root().join("examples")
        .join("embed_noentry_baseline.ail");
    let outdir = std::env::temp_dir()
        .join(format!("ail-embed-noexp-{}", std::process::id()));
    std::fs::create_dir_all(&outdir).unwrap();
    let out = Command::new(ail_bin())
        .args(["build", fixture.to_str().unwrap(),
               "--emit=staticlib", "-o", outdir.to_str().unwrap()])
        .output().expect("ail build");
    assert!(!out.status.success(),
        "staticlib build with zero exports must fail");
    assert!(String::from_utf8_lossy(&out.stderr)
        .contains("at least one `(export"),
        "expected the zero-export staticlib error; got {}",
        String::from_utf8_lossy(&out.stderr));
}