kowalski-code-agent 0.5.0

use crate::config::CodeAgentConfig;
use crate::error::CodeAgentError;
use crate::parser::CodeParser;
use std::collections::HashMap;
use tree_sitter::{Node, Tree};

/// A code documentation generator that creates various types of documentation
pub struct CodeDocumenter {
    parser: CodeParser,
    config: CodeAgentConfig,
    docs: HashMap<String, String>,
}

impl CodeDocumenter {
    /// Creates a new code documenter with the specified configuration
    pub fn new(config: CodeAgentConfig) -> Result<Self, CodeAgentError> {
        let parser = CodeParser::new(config.clone())?;

        Ok(Self {
            parser,
            config,
            docs: HashMap::new(),
        })
    }

    /// Generates documentation for a file at the given path
    pub fn document_file(&mut self, path: &str) -> Result<(), CodeAgentError> {
        self.parser.parse_file(path.as_ref())?;
        let tree = self
            .parser
            .parser_mut()
            .parse(path, None)
            .ok_or_else(|| CodeAgentError::Parser("Failed to parse file".to_string()))?;
        self.document_tree(&tree)
    }

    /// Generates documentation for a string of code
    pub fn document_content(&mut self, content: &str) -> Result<(), CodeAgentError> {
        self.parser.parse_content(content)?;
        let tree = self
            .parser
            .parser_mut()
            .parse(content.as_bytes(), None)
            .ok_or_else(|| CodeAgentError::Parser("Failed to parse content".to_string()))?;
        self.document_tree(&tree)
    }

    /// Generates documentation for a syntax tree
    fn document_tree(&mut self, tree: &Tree) -> Result<(), CodeAgentError> {
        let root_node = tree.root_node();

        if self.config.enable_documentation_generation {
            self.generate_documentation(&root_node)?;
        }

        if self.config.enable_test_generation {
            self.generate_tests(&root_node)?;
        }

        Ok(())
    }

    /// Generates documentation for a node
    fn generate_documentation(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        match node.kind() {
            "function_item" => self.document_function(node)?,
            "struct_item" => self.document_struct(node)?,
            "enum_item" => self.document_enum(node)?,
            "trait_item" => self.document_trait(node)?,
            "impl_item" => self.document_impl(node)?,
            "module_item" => self.document_module(node)?,
            _ => {}
        }

        for i in 0..node.child_count() {
            if let Some(child) = node.child(i) {
                self.generate_documentation(&child)?;
            }
        }

        Ok(())
    }

    /// Documents a function
    fn document_function(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        // Implement function documentation logic
        Ok(())
    }

    /// Documents a struct
    fn document_struct(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        // Implement struct documentation logic
        Ok(())
    }

    /// Documents an enum
    fn document_enum(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        // Implement enum documentation logic
        Ok(())
    }

    /// Documents a trait
    fn document_trait(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        // Implement trait documentation logic
        Ok(())
    }

    /// Documents an implementation
    fn document_impl(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        // Implement implementation documentation logic
        Ok(())
    }

    /// Documents a module
    fn document_module(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        // Implement module documentation logic
        Ok(())
    }

    /// Generates tests for a node
    fn generate_tests(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        match node.kind() {
            "function_item" => self.generate_function_tests(node)?,
            "struct_item" => self.generate_struct_tests(node)?,
            "enum_item" => self.generate_enum_tests(node)?,
            "trait_item" => self.generate_trait_tests(node)?,
            "impl_item" => self.generate_impl_tests(node)?,
            _ => {}
        }

        for i in 0..node.child_count() {
            if let Some(child) = node.child(i) {
                self.generate_tests(&child)?;
            }
        }

        Ok(())
    }

    /// Generates tests for a function
    fn generate_function_tests(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        // Implement function test generation logic
        Ok(())
    }

    /// Generates tests for a struct
    fn generate_struct_tests(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        // Implement struct test generation logic
        Ok(())
    }

    /// Generates tests for an enum
    fn generate_enum_tests(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        // Implement enum test generation logic
        Ok(())
    }

    /// Generates tests for a trait
    fn generate_trait_tests(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        // Implement trait test generation logic
        Ok(())
    }

    /// Generates tests for an implementation
    fn generate_impl_tests(&mut self, node: &Node) -> Result<(), CodeAgentError> {
        // Implement implementation test generation logic
        Ok(())
    }

    /// Gets the generated documentation
    pub fn docs(&self) -> &HashMap<String, String> {
        &self.docs
    }

    /// Gets a mutable reference to the generated documentation
    pub fn docs_mut(&mut self) -> &mut HashMap<String, String> {
        &mut self.docs
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_documenter_creation() {
        let config = CodeAgentConfig::default();
        let documenter = CodeDocumenter::new(config);
        assert!(documenter.is_ok());
    }

    #[test]
    fn test_document_content() {
        let config = CodeAgentConfig::default();
        let mut documenter = CodeDocumenter::new(config).unwrap();
        let result = documenter.document_content("fn main() { println!(\"Hello, world!\"); }");
        assert!(result.is_ok());
    }
}