//! Integration tests for the `binmeta` command.

use std::path::{Path, PathBuf};

use assert_cmd::Command;
use predicates::prelude::*;
use serde_json::Value;

fn cargo_command() -> Command {
    Command::cargo_bin("binmeta").expect("binary")
}

fn fixture(path: &str) -> PathBuf {
    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
        .join("..")
        .join("..")
        .join("fixtures")
        .join(path)
}

fn inspect_json(path: &Path) -> Value {
    let mut command = cargo_command();
    let output = command
        .arg(path)
        .arg("--json")
        .assert()
        .success()
        .get_output()
        .stdout
        .clone();
    serde_json::from_slice::<Value>(&output).expect("json payload")
}

#[test]
fn help_includes_examples_and_json_pipeline_usage() {
    let mut command = cargo_command();
    command
        .arg("--help")
        .assert()
        .success()
        .stdout(predicate::str::contains(
            "binmeta .\\fixtures\\binmeta\\plain.txt",
        ))
        .stdout(predicate::str::contains("ConvertFrom-Json"))
        .stdout(predicate::str::contains("--input-format"));
}

#[test]
fn inspects_plain_text_fixture_as_not_pe() {
    let input = fixture("binmeta/plain.txt");
    let payload = inspect_json(&input);
    let entries = payload.as_array().expect("array payload");
    assert_eq!(entries.len(), 1);
    assert_eq!(entries[0]["kind"], "not_pe");
    assert_eq!(entries[0]["extension"], "txt");
    assert_eq!(entries[0]["sha256"].as_str().map(str::len), Some(64));
    assert!(
        entries[0]["size_bytes"]
            .as_u64()
            .is_some_and(|value| value > 0)
    );
    assert!(entries[0]["pe"].is_null());
    assert!(entries[0]["version"].is_null());
    assert!(entries[0]["signature"].is_null());
}

#[test]
fn supports_powershell_pipeline_input() {
    let binary = assert_cmd::cargo::cargo_bin("binmeta");
    let input = fixture("binmeta/plain.txt");
    let script = format!("'{}' | & '{}' --json", input.display(), binary.display());

    let mut command = Command::new("pwsh");
    command
        .arg("-NoProfile")
        .arg("-Command")
        .arg(script)
        .assert()
        .success()
        .stdout(predicate::str::contains("\"kind\":\"not_pe\""));
}

#[cfg(windows)]
#[test]
fn inspects_current_test_binary_as_pe() {
    let current_exe = std::env::current_exe().expect("current exe");
    let payload = inspect_json(&current_exe);
    let entry = &payload.as_array().expect("array payload")[0];

    assert_eq!(entry["kind"], "pe");
    assert_eq!(entry["path"], current_exe.display().to_string());
    assert_eq!(entry["sha256"].as_str().map(str::len), Some(64));
    assert!(
        entry["pe"]["machine"]
            .as_str()
            .is_some_and(|value| !value.is_empty())
    );
    assert!(
        entry["pe"]["architecture"]
            .as_str()
            .is_some_and(|value| !value.is_empty())
    );
    assert!(
        entry["pe"]["section_count"]
            .as_u64()
            .is_some_and(|value| value > 0)
    );
    assert!(
        entry["pe"]["sections"]
            .as_array()
            .is_some_and(|value| !value.is_empty())
    );
    assert!(entry["pe"]["library_count"].as_u64().is_some());
    assert!(entry.get("version").is_some());
    assert!(entry.get("signature").is_some());
    assert_eq!(entry["signature"]["status"], "not_signed");
    assert_eq!(entry["signature"]["signature_type"], "none");
}

#[cfg(windows)]
#[test]
fn inspects_windows_binary_version_and_catalog_signature() {
    let notepad = PathBuf::from(r"C:\Windows\System32\notepad.exe");
    if !notepad.is_file() {
        eprintln!(
            "skipping notepad signature smoke: {} missing",
            notepad.display()
        );
        return;
    }

    let payload = inspect_json(&notepad);
    let entry = &payload.as_array().expect("array payload")[0];

    assert_eq!(entry["kind"], "pe");
    assert!(
        entry["version"]["company_name"]
            .as_str()
            .is_some_and(|value| !value.is_empty())
    );
    assert!(
        entry["version"]["file_version"]
            .as_str()
            .is_some_and(|value| !value.is_empty())
    );
    assert_eq!(entry["signature"]["status"], "valid");
    assert_eq!(entry["signature"]["catalog_signed"], true);
    assert_eq!(entry["signature"]["signature_type"], "catalog");
    assert!(
        entry["signature"]["signer"]["subject"]
            .as_str()
            .is_some_and(|value| value.contains("Microsoft"))
    );
}

#[cfg(windows)]
#[test]
fn malformed_version_resource_still_reports_pe_identity_when_reference_exists() {
    let nuitka_exe = PathBuf::from(r"C:\Users\example\Desktop\SampleTool.exe");
    if !nuitka_exe.is_file() {
        eprintln!(
            "skipping Nuitka resource compatibility smoke: {} missing",
            nuitka_exe.display()
        );
        return;
    }

    let payload = inspect_json(&nuitka_exe);
    let entry = &payload.as_array().expect("array payload")[0];
    assert_eq!(entry["kind"], "pe");
    assert_eq!(entry["version"]["company_name"], "Example Corp");
    assert_eq!(
        entry["version"]["file_description"],
        "Codex Thread Importer"
    );
    assert_eq!(entry["version"]["product_name"], "Codex Thread Importer");
    assert!(
        entry["parse_error"]
            .as_str()
            .is_some_and(|message| message.contains("ResourceString value_len"))
    );
}