# Path: artisans/mimic/reflector.py
# ---------------------------------

import ast
from pathlib import Path
from typing import Dict, Any, Optional
from ...inquisitor import get_treesitter_gnosis


class TypeReflector:
    """
    The Eye that reads the shape of data.
    Supports Python Pydantic (via AST) and generic structures via Tree-sitter.
    """

    def __init__(self, path: Path):
        self.path = path

    def reflect(self) -> Optional[Dict[str, Any]]:
        """
        Returns a Gnostic Schema:
        {
            "name": "User",
            "fields": { "id": "int", "name": "str", "email": "str" }
        }
        """
        if self.path.suffix == '.py':
            return self._reflect_python()

        # Fallback to Tree-sitter for TS/SQL (Future Ascension)
        return self._reflect_polyglot()

    def _reflect_python(self) -> Optional[Dict[str, Any]]:
        """Parses Python Pydantic models."""
        try:
            content = self.path.read_text(encoding='utf-8')
            tree = ast.parse(content)

            # Find the first class that looks like a Model
            # Heuristic: Inherits from BaseModel or has type annotations
            for node in ast.walk(tree):
                if isinstance(node, ast.ClassDef):
                    schema = {
                        "name": node.name,
                        "fields": {}
                    }
                    for item in node.body:
                        if isinstance(item, ast.AnnAssign) and isinstance(item.target, ast.Name):
                            field_name = item.target.id
                            # Extract type annotation as string
                            type_hint = ast.unparse(item.annotation)
                            schema["fields"][field_name] = type_hint

                    if schema["fields"]:
                        return schema
        except Exception:
            pass
        return None

    def _reflect_polyglot(self) -> Optional[Dict[str, Any]]:
        """Uses Tree-sitter to find interfaces."""
        # Stub for V1
        return None

