probe-code 0.6.0

use super::language_trait::LanguageImpl;
use tree_sitter::{Language as TSLanguage, Node};

/// Implementation of LanguageImpl for C++
pub struct CppLanguage;

impl Default for CppLanguage {
    fn default() -> Self {
        Self::new()
    }
}

impl CppLanguage {
    pub fn new() -> Self {
        CppLanguage
    }
}

impl LanguageImpl for CppLanguage {
    fn get_tree_sitter_language(&self) -> TSLanguage {
        tree_sitter_cpp::LANGUAGE.into()
    }

    fn get_extension(&self) -> &'static str {
        "cpp"
    }

    fn is_acceptable_parent(&self, node: &Node) -> bool {
        matches!(
            node.kind(),
            "function_definition"
                | "declaration"
                | "struct_specifier"
                | "class_specifier"
                | "enum_specifier"
                | "namespace_definition"
        )
    }

    fn is_test_node(&self, node: &Node, source: &[u8]) -> bool {
        let debug_mode = std::env::var("DEBUG").unwrap_or_default() == "1";
        let node_type = node.kind();

        // C++: Check function_definition nodes with test in the name
        if node_type == "function_definition" {
            let mut cursor = node.walk();
            for child in node.children(&mut cursor) {
                if child.kind() == "function_declarator" {
                    let mut subcursor = child.walk();
                    for subchild in child.children(&mut subcursor) {
                        if subchild.kind() == "identifier" {
                            let name = subchild.utf8_text(source).unwrap_or("");
                            if name.contains("test") || name.contains("Test") {
                                if debug_mode {
                                    println!("DEBUG: Test node detected (C++): test function");
                                }
                                return true;
                            }
                        }
                    }
                }
            }
        }

        false
    }
}