agent-shield 1.0.2

use std::path::Path;

use crate::config::ScanPathFilter;
use crate::error::Result;
use crate::ir::*;

/// CrewAI framework adapter.
///
/// Detects CrewAI projects by looking for:
/// - `pyproject.toml` with `crewai` dependency or `[tool.crewai]` section
/// - `requirements.txt` containing `crewai`
/// - Python files importing `from crewai` or `from crewai_tools`
pub struct CrewAiAdapter;

impl super::Adapter for CrewAiAdapter {
    fn framework(&self) -> Framework {
        Framework::CrewAi
    }

    fn detect(&self, root: &Path) -> bool {
        super::pipeline::detect_python_framework(
            root,
            &["crewai"],
            |trimmed| {
                trimmed == "crewai"
                    || trimmed.starts_with("crewai==")
                    || trimmed.starts_with("crewai>=")
                    || trimmed.starts_with("crewai[")
                    || trimmed == "crewai-tools"
                    || trimmed.starts_with("crewai-tools==")
                    || trimmed.starts_with("crewai-tools>=")
            },
            &[
                "from crewai",
                "import crewai",
                "from crewai_tools",
                "import crewai_tools",
            ],
        )
    }

    fn load(&self, root: &Path, ignore_tests: bool) -> Result<Vec<ScanTarget>> {
        let filter = ScanPathFilter::for_ignore_tests(ignore_tests);
        self.load_with_filter(root, &filter)
    }

    fn load_with_filter(&self, root: &Path, filter: &ScanPathFilter) -> Result<Vec<ScanTarget>> {
        super::pipeline::load_framework_target(
            root,
            filter,
            Framework::CrewAi,
            "crewai-project",
            |lang| matches!(lang, Language::Python),
            None,
        )
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::adapter::Adapter;
    use std::io::Write;
    use std::path::PathBuf;
    use tempfile::TempDir;

    #[test]
    fn test_detect_crewai_via_pyproject() {
        let dir = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("tests/fixtures/crewai_project");
        let adapter = CrewAiAdapter;
        assert!(adapter.detect(&dir));
    }

    #[test]
    fn test_detect_non_crewai_project() {
        let dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
            .join("tests/fixtures/mcp_servers/safe_calculator");
        let adapter = CrewAiAdapter;
        assert!(!adapter.detect(&dir));
    }

    #[test]
    fn test_load_crewai_finds_cmd_injection() {
        let dir = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("tests/fixtures/crewai_project");
        let adapter = CrewAiAdapter;
        let targets = adapter.load(&dir, false).unwrap();
        assert_eq!(targets.len(), 1);

        let target = &targets[0];
        assert_eq!(target.framework, Framework::CrewAi);
        assert_eq!(target.name, "crewai_project");

        // Should find command injection in vuln_tool.py
        assert!(
            !target.execution.commands.is_empty(),
            "expected command execution findings from vuln_tool.py"
        );
        // Should find tainted command args
        assert!(
            target
                .execution
                .commands
                .iter()
                .any(|c| c.command_arg.is_tainted()),
            "expected tainted command source from subprocess.run with user input"
        );
    }

    #[test]
    fn test_load_crewai_finds_ssrf() {
        let dir = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("tests/fixtures/crewai_project");
        let adapter = CrewAiAdapter;
        let targets = adapter.load(&dir, false).unwrap();
        let target = &targets[0];

        // Should find network operations in fetch_tool.py
        assert!(
            !target.execution.network_operations.is_empty(),
            "expected network operation findings from fetch_tool.py"
        );
    }

    #[test]
    fn test_load_crewai_parses_dependencies() {
        let dir = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("tests/fixtures/crewai_project");
        let adapter = CrewAiAdapter;
        let targets = adapter.load(&dir, false).unwrap();
        let target = &targets[0];

        assert!(
            target
                .dependencies
                .dependencies
                .iter()
                .any(|d| d.name == "crewai"),
            "expected crewai in dependencies"
        );
    }

    #[test]
    fn test_load_crewai_only_python_files() {
        let dir = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("tests/fixtures/crewai_project");
        let adapter = CrewAiAdapter;
        let targets = adapter.load(&dir, false).unwrap();
        let target = &targets[0];

        // All source files should be Python
        for sf in &target.source_files {
            assert_eq!(
                sf.language,
                Language::Python,
                "non-Python file found: {:?}",
                sf.path
            );
        }
    }

    #[test]
    fn test_detect_crewai_nested_python_import() {
        let tmp_root = TempDir::new().unwrap();
        let nested_dir = tmp_root.path().join("src/pkg");
        std::fs::create_dir_all(&nested_dir).unwrap();

        let mut file = std::fs::File::create(nested_dir.join("tool.py")).unwrap();
        writeln!(file, "from crewai_tools import BaseTool").unwrap();

        let adapter = CrewAiAdapter;
        assert!(adapter.detect(tmp_root.path()));
    }
}