use assert_cmd::prelude::*;
use assert_fs::prelude::*;
use predicates::prelude::*;
use std::process::Command;

#[test]
fn find_content_in_help_output() -> Result<(), Box<dyn std::error::Error>> {
    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
    cmd.arg("cyclonedx").arg("--help");

    cmd.assert()
        .success()
        .stdout(predicate::str::contains("cargo cyclonedx [OPTIONS]"));

    Ok(())
}

#[test]
fn manifest_doesnt_exist() -> Result<(), Box<dyn std::error::Error>> {
    let tmp_dir = assert_fs::TempDir::new()?;

    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
    cmd.current_dir(tmp_dir.path()).arg("cyclonedx");

    cmd.assert().failure().stdout("");

    tmp_dir.close()?;

    Ok(())
}

#[test]
fn manifest_is_invalid() -> Result<(), Box<dyn std::error::Error>> {
    let tmp_file = assert_fs::NamedTempFile::new("Cargo.toml")?;
    tmp_file.touch()?;

    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;

    cmd.arg("cyclonedx")
        .arg("--manifest-path")
        .arg(tmp_file.path());

    cmd.assert().failure().stdout("");

    tmp_file.close()?;

    Ok(())
}

#[test]
fn find_content_in_bom_files() -> Result<(), Box<dyn std::error::Error>> {
    let tmp_dir = make_temp_rust_project()?;
    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;

    cmd.current_dir(tmp_dir.path())
        .arg("cyclonedx")
        .arg("--top-level")
        .arg("--override-filename=bom");

    cmd.assert().success().stdout("");

    tmp_dir
        .child("bom.xml")
        .assert(predicate::str::contains("<vendor>CycloneDX</vendor>"));

    cmd.arg("--format").arg("json");
    cmd.assert().success().stdout("");

    tmp_dir
        .child("bom.json")
        .assert(predicate::str::contains(r#""vendor": "CycloneDX"#));

    tmp_dir.close()?;

    Ok(())
}

#[test]
fn find_content_in_stderr() -> Result<(), Box<dyn std::error::Error>> {
    let tmp_dir = make_temp_rust_project()?;

    let pkg_name = "nested-pkg";

    tmp_dir.child("Cargo.toml").write_str(&format!(
        r#"
        [package]
        name = "test"
        version = "0.0.0"

        [dependencies.{0}]
        path = "{0}"
        "#,
        pkg_name,
    ))?;

    let license = "TEST";
    let pkg_dir = tmp_dir.child(pkg_name);
    pkg_dir.child("src/lib.rs").touch()?;

    pkg_dir.child("Cargo.toml").write_str(&format!(
        r#"
        [package]
        name = "{}"
        version = "0.0.0"
        license = "{}"
        "#,
        pkg_name, license,
    ))?;

    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;

    cmd.current_dir(tmp_dir.path())
        .arg("cyclonedx")
        .arg("--all")
        .arg("--license-strict")
        .arg("--verbose");

    cmd.assert()
        .success()
        .stderr(predicate::str::contains(format!(
            "Package {} has an invalid license expression ({}), using as named license: Invalid SPDX expression: unknown term",
            pkg_name, license,
        )));

    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;

    cmd.current_dir(tmp_dir.path()).arg("cyclonedx").arg("-qq");

    cmd.assert().success().stdout("");

    tmp_dir.close()?;

    Ok(())
}

fn make_temp_rust_project() -> Result<assert_fs::TempDir, assert_fs::fixture::FixtureError> {
    let tmp_dir = assert_fs::TempDir::new()?;
    tmp_dir.child("src/main.rs").touch()?;

    tmp_dir
        .child("Cargo.toml")
        .write_str(r#"package = { name = "pkg", version = "0.0.0" }"#)?;

    Ok(tmp_dir)
}