#![allow(clippy::expect_used)]
#![doc = "Black-box CLI framing and exit-status tests."]

use std::{
    fs,
    os::unix::fs::PermissionsExt as _,
    process::{Command, Stdio},
    thread,
    time::Duration,
};

use rustix::process::{Pid, Signal, kill_process};
#[test]
fn doctor_reports_ready_with_closed_runtime_paths() {
    let temp = tempfile::tempdir().expect("temp");
    let runtime = temp.path().join("runtime");
    let java_home = runtime.join("jdk");
    let adapter = runtime.join("adapter");
    fs::create_dir_all(java_home.join("bin")).expect("java directory");
    fs::create_dir_all(&adapter).expect("adapter directory");
    for path in [runtime.join("bwrap"), adapter.join("GhidrAdapter.java")] {
        fs::write(path, b"fixture").expect("runtime fixture");
    }
    let java = java_home.join("bin/java");
    fs::write(&java, b"#!/bin/sh\necho 'openjdk version \"21\"' >&2\n").expect("java fixture");
    fs::set_permissions(&java, fs::Permissions::from_mode(0o755)).expect("java mode");
    let output = Command::new(env!("CARGO_BIN_EXE_ghidr"))
        .args([
            "--store",
            temp.path().join("store").to_str().expect("UTF-8"),
            "--sandbox",
            "off",
            "doctor",
        ])
        .env("GHIDR_GHIDRA_VERSION", "12.1.2")
        .env(
            "GHIDR_ANALYZE_HEADLESS",
            env!("CARGO_BIN_EXE_ghidr-fake-child"),
        )
        .env("GHIDR_JAVA_HOME", java_home)
        .env("GHIDR_ADAPTER_PATH", adapter)
        .env("GHIDR_BUBBLEWRAP", runtime.join("bwrap"))
        .output()
        .expect("run ghidr");
    assert_eq!(output.status.code(), Some(0), "{:?}", output.stderr);
    assert!(output.stderr.is_empty());
    let success: serde_json::Value =
        serde_json::from_slice(&output.stdout).expect("valid JSON success");
    assert_eq!(success["kind"], "doctor");
    assert_eq!(success["data"]["ready"], true);
    assert!(
        !temp
            .path()
            .join("store/staging/doctor-write-probe")
            .exists()
    );
}

#[test]
fn clean_dry_run_and_execution_are_real_store_transactions() {
    let temp = tempfile::tempdir().expect("temp");
    let store = temp.path().join("store");
    let sample = "a".repeat(64);
    let profile = "b".repeat(64);
    let artifact = store
        .join("artifacts")
        .join(&sample)
        .join(&profile)
        .join(format!("{}.json", "c".repeat(64)));
    fs::create_dir_all(artifact.parent().expect("parent")).expect("artifact directory");
    fs::write(&artifact, b"{}\n").expect("artifact");

    let invoke = |dry_run: bool| {
        let mut command = Command::new(env!("CARGO_BIN_EXE_ghidr"));
        command.args([
            "--store",
            store.to_str().expect("UTF-8"),
            "clean",
            "--digest",
            &sample,
        ]);
        if dry_run {
            command.arg("--dry-run");
        }
        command.output().expect("run clean")
    };
    let dry_run = invoke(true);
    assert_eq!(dry_run.status.code(), Some(0), "{:?}", dry_run.stderr);
    let report: serde_json::Value = serde_json::from_slice(&dry_run.stdout).expect("dry-run JSON");
    assert_eq!(report["data"]["mode"], "dry_run");
    assert_eq!(report["data"]["matched"]["artifacts"], 1);
    assert!(artifact.exists());

    let executed = invoke(false);
    assert_eq!(executed.status.code(), Some(0), "{:?}", executed.stderr);
    let report: serde_json::Value =
        serde_json::from_slice(&executed.stdout).expect("execution JSON");
    assert_eq!(report["data"]["mode"], "executed");
    assert_eq!(report["data"]["removed"]["artifacts"], 1);
    assert!(!artifact.exists());

    let confirmation = Command::new(env!("CARGO_BIN_EXE_ghidr"))
        .args(["--store", store.to_str().expect("UTF-8"), "clean", "--all"])
        .output()
        .expect("run clean all");
    assert_eq!(confirmation.status.code(), Some(1));
    assert!(confirmation.stdout.is_empty());
    let error: serde_json::Value =
        serde_json::from_slice(&confirmation.stderr).expect("confirmation JSON");
    assert_eq!(error["error"]["code"], "confirmation_required");
    assert!(error["error"]["details"]["matched"]["usage"].is_object());
}

#[test]
fn fake_worker_drives_inspect_reuse_functions_decompile_and_typed_error() {
    let temp = tempfile::tempdir().expect("temp");
    let store = temp.path().join("store");
    let adapter = temp.path().join("adapter");
    fs::create_dir(&adapter).expect("adapter");
    fs::write(adapter.join("GhidrAdapter.java"), b"fixture").expect("adapter source");
    let sample = temp.path().join("sample");
    fs::write(&sample, b"controllable sample").expect("sample");

    let invoke = |arguments: &[&str], error: Option<&str>| {
        let mut command = Command::new(env!("CARGO_BIN_EXE_ghidr"));
        command
            .args([
                "--sandbox",
                "off",
                "--store",
                store.to_str().expect("UTF-8"),
            ])
            .args(arguments)
            .env("GHIDR_GHIDRA_VERSION", "12.1.2")
            .env(
                "GHIDR_ANALYZE_HEADLESS",
                env!("CARGO_BIN_EXE_ghidr-fake-child"),
            )
            .env("GHIDR_ADAPTER_PATH", &adapter);
        if let Some(code) = error {
            command.env("GHIDR_FAKE_WORKER_ERROR", code);
        }
        command.output().expect("run Query")
    };

    let inspected = invoke(&["inspect", sample.to_str().expect("UTF-8")], None);
    assert_eq!(inspected.status.code(), Some(0), "{:?}", inspected.stderr);
    let inspection: serde_json::Value =
        serde_json::from_slice(&inspected.stdout).expect("inspection");
    assert_eq!(inspection["data"]["analysis"]["disposition"], "created");
    assert_eq!(inspection["provenance"]["sandbox"]["backend"], "off");
    let profile = inspection["provenance"]["analysis_profile_sha256"].clone();

    let functions = invoke(
        &["functions", sample.to_str().expect("UTF-8"), "--limit", "1"],
        None,
    );
    assert_eq!(functions.status.code(), Some(0), "{:?}", functions.stderr);
    let functions: serde_json::Value =
        serde_json::from_slice(&functions.stdout).expect("functions");
    assert_eq!(functions["data"]["items"][0]["name"], "main");
    assert_eq!(functions["provenance"]["analysis_profile_sha256"], profile);
    assert_eq!(
        fs::read_dir(store.join("analyses"))
            .expect("analyses")
            .flat_map(|entry| fs::read_dir(entry.expect("sample entry").path()).expect("profiles"))
            .count(),
        1
    );

    let decompiled = invoke(
        &[
            "decompile",
            sample.to_str().expect("UTF-8"),
            "--name",
            "main",
        ],
        None,
    );
    assert_eq!(decompiled.status.code(), Some(0), "{:?}", decompiled.stderr);
    let decompiled: serde_json::Value =
        serde_json::from_slice(&decompiled.stdout).expect("decompilation");
    assert_eq!(decompiled["data"]["requested_selector"]["value"], "main");
    assert!(
        decompiled["data"]["decompilation"]["text"]
            .as_str()
            .expect("text")
            .contains("return 0")
    );

    let spilled = invoke(
        &[
            "decompile",
            sample.to_str().expect("UTF-8"),
            "--name",
            "large",
            "--max-inline-bytes",
            "4096",
        ],
        None,
    );
    assert_eq!(spilled.status.code(), Some(0), "{:?}", spilled.stderr);
    let spilled: serde_json::Value =
        serde_json::from_slice(&spilled.stdout).expect("spill descriptor");
    assert_eq!(spilled["data"]["spilled"], true);
    let artifact = spilled["data"]["artifact"]["path"]["value"]
        .as_str()
        .expect("Artifact path");
    let complete = fs::read(artifact).expect("complete Artifact");
    assert_eq!(complete.last(), Some(&b'\n'));
    let complete: serde_json::Value =
        serde_json::from_slice(&complete).expect("complete success response");
    assert_eq!(
        complete["data"]["decompilation"]["text"]
            .as_str()
            .expect("large text")
            .len(),
        100_000
    );

    let other = temp.path().join("other");
    fs::copy("tests/fixtures/fake-worker-error.sample", &other).expect("other");
    let failed = invoke(
        &["inspect", other.to_str().expect("UTF-8")],
        Some("analysis_failed"),
    );
    assert_eq!(failed.status.code(), Some(1));
    assert!(failed.stdout.is_empty());
    let error: serde_json::Value = serde_json::from_slice(&failed.stderr).expect("error JSON");
    assert_eq!(error["error"]["code"], "analysis_failed");
    let diagnostic = error["error"]["details"]["diagnostic_log"]["path"]["value"]
        .as_str()
        .expect("diagnostic path");
    assert!(std::path::Path::new(diagnostic).is_file());
}

#[test]
fn invalid_invocation_is_one_json_document_on_stderr() {
    let output = Command::new(env!("CARGO_BIN_EXE_ghidr"))
        .args(["functions", "sample", "--limit", "0"])
        .output()
        .expect("run ghidr");
    assert_eq!(output.status.code(), Some(2));
    assert!(output.stdout.is_empty());
    let error: serde_json::Value =
        serde_json::from_slice(&output.stderr).expect("valid JSON error");
    assert_eq!(error["error"]["code"], "invalid_arguments");
    assert_eq!(output.stderr.last(), Some(&b'\n'));
}

#[test]
fn explicit_human_parse_failure_is_not_json() {
    let output = Command::new(env!("CARGO_BIN_EXE_ghidr"))
        .args(["--format", "human", "decompile", "sample"])
        .output()
        .expect("run ghidr");
    assert_eq!(output.status.code(), Some(2));
    assert!(output.stdout.is_empty());
    assert!(serde_json::from_slice::<serde_json::Value>(&output.stderr).is_err());
}

#[test]
fn sigint_interrupts_the_actual_cli_and_never_promotes_analysis() {
    let temp = tempfile::tempdir().expect("temp");
    let store = temp.path().join("store");
    let adapter = temp.path().join("adapter");
    fs::create_dir(&adapter).expect("adapter");
    fs::write(adapter.join("GhidrAdapter.java"), b"fixture").expect("adapter source");
    let sample = temp.path().join("sample");
    fs::write(&sample, b"interruptible sample").expect("sample");

    let child = Command::new(env!("CARGO_BIN_EXE_ghidr"))
        .args([
            "--sandbox",
            "off",
            "--store",
            store.to_str().expect("UTF-8"),
            "inspect",
            sample.to_str().expect("UTF-8"),
        ])
        .env("GHIDR_GHIDRA_VERSION", "12.1.2")
        .env(
            "GHIDR_ANALYZE_HEADLESS",
            env!("CARGO_BIN_EXE_ghidr-fake-child"),
        )
        .env("GHIDR_ADAPTER_PATH", &adapter)
        .stdout(Stdio::piped())
        .stderr(Stdio::piped())
        .spawn()
        .expect("spawn ghidr");
    thread::sleep(Duration::from_millis(200));
    let raw_pid = i32::try_from(child.id()).expect("PID fits i32");
    let pid = Pid::from_raw(raw_pid).expect("positive child PID");
    kill_process(pid, Signal::INT).expect("send SIGINT");
    let output = child.wait_with_output().expect("wait for interrupted CLI");

    assert_eq!(output.status.code(), Some(130), "{:?}", output.stderr);
    assert!(output.stdout.is_empty());
    let error: serde_json::Value =
        serde_json::from_slice(&output.stderr).expect("interrupted JSON");
    assert_eq!(error["error"]["code"], "interrupted");
    assert_eq!(
        fs::read_dir(store.join("analyses"))
            .expect("analyses")
            .count(),
        0
    );
}