"""Scan chunker.py for code smells: unused args, redundant conditions."""
import ast

with open("/root/.hermes/wizard-outputs/forge/chunker.py") as f:
    src = f.read()
    lines = src.splitlines()

tree = ast.parse(src)

for node in ast.walk(tree):
    if isinstance(node, (ast.FunctionDef, ast.AsyncFunctionDef)):
        arg_names = [a.arg for a in node.args.args]
        for arg in node.args.args:
            if arg.arg == "self":
                continue
            used = False
            for n in ast.walk(node):
                if isinstance(n, ast.Name) and n.id == arg.arg:
                    used = True
                    break
                if isinstance(n, ast.Attribute) and n.attr == arg.arg:
                    used = True
                    break
            if not used:
                print(f"UNUSED ARG: func={node.name} arg={arg.arg} line={node.lineno}")

# Check for the 'if end >= n: break' pattern in _hard_split_long
print("\n--- Checking _hard_split_long for redundant break ---")
for i, line in enumerate(lines, 1):
    if "end >= n" in line or "end >= n:" in line:
        print(f"Line {i}: {line.strip()}")

# Check reconstruct for unused overlap_tokens
print("\n--- Checking reconstruct body for overlap_tokens usage ---")
reconstruct_src = "\n".join(lines[240:280])  # rough
for i, line in enumerate(lines, 1):
    if "overlap_tokens" in line and 241 <= i <= 280:
        print(f"Line {i}: {line.strip()}")