#!/usr/bin/env python3
"""
Ruby AST Parser - Abstract Syntax Tree Analysis

"""

from dataclasses import dataclass
from pathlib import Path


@dataclass
class RubyClass:
    """Represents a Ruby class definition."""

    name: str
    file_path: str
    line_number: int
    parent_class: str | None = None
    mixins: list[str] = None
    methods: list["RubyMethod"] = None


@dataclass
class RubyMethod:
    """Represents a Ruby method definition."""

    name: str
    class_name: str | None = None
    line_number: int
    parameters: list[str] = None
    visibility: str = "public"
    is_class_method: bool = False


@dataclass
class RubyModule:
    """Represents a Ruby module."""

    name: str
    file_path: str
    line_number: int
    methods: list[RubyMethod] = None
    nested_modules: list["RubyModule"] = None


class RubyASTParser:
    """
    Parser for Ruby AST analysis.

    Provides comprehensive AST analysis for Ruby code including class/method
    extraction, inheritance analysis, and meta-programming pattern detection.
    """

    def __init__(self):
        """Initialize Ruby AST parser."""
        self.classes: list[RubyClass] = []
        self.modules: list[RubyModule] = []

    def parse_ruby_file(self, file_path: Path):
        raise NotImplementedError("Phase 2: Ruby file parsing")

    def extract_classes(self, ast) -> list[RubyClass]:
        raise NotImplementedError("Phase 2: Class extraction")

    def extract_methods(self, ast, class_context: str | None = None) -> list[RubyMethod]:
        raise NotImplementedError("Phase 2: Method extraction")

    def extract_modules(self, ast) -> list[RubyModule]:
        raise NotImplementedError("Phase 2: Module extraction")

    def analyze_inheritance(self, classes: list[RubyClass]) -> dict:
        raise NotImplementedError("Phase 2: Inheritance analysis")

    def detect_meta_programming(self, ast) -> list[dict]:
        raise NotImplementedError("Phase 2: Meta-programming detection")

    def generate_call_graph(self, ast) -> dict:
        raise NotImplementedError("Phase 2: Call graph generation")

    def analyze_blocks_and_lambdas(self, ast) -> list[dict]:
        raise NotImplementedError("Phase 2: Block/lambda analysis")
