#!/usr/bin/env python3
"""apply_patch: the model emits a structured create_file operation; we validate the path and report (dry run, nothing written).
STATUS: LIVE_VERIFIED 2026-09-18 (gpt-5.4-nano; apply_patch_call.operation = {type:create_file, path:'hello.txt', diff:'+OK\\n'}).
Run: .venv/bin/python examples/openai/tools/apply-patch/apply_patch.py
"""
import sys
from pathlib import Path
ROOT = Path(__file__).resolve().parents[4]; sys.path.insert(0, str(ROOT))
from scripts.live import load_env, log_request; load_env()
from openai import OpenAI
client = OpenAI(); MODEL = "gpt-5.4-nano"

r = client.responses.create(model=MODEL, input="Create a new file hello.txt containing the single line OK using apply_patch.",
                            tools=[{"type": "apply_patch"}], tool_choice={"type": "apply_patch"}, max_output_tokens=128, reasoning={"effort": "low"})
log_request("openai", "POST", "/v1/responses", 200, 0.0002, "apply_patch.py create_file")
call = next(i for i in r.output if i.type == "apply_patch_call")
op = call.operation
print("apply_patch_call:", call.call_id, op.type, op.path, repr(getattr(op, "diff", None)))
ok = ".." not in op.path and not op.path.startswith("/")
output_item = {"type": "apply_patch_call_output", "call_id": call.call_id, "status": "completed" if ok else "failed",
               "output": "dry run: not applied" if ok else "path rejected"}
print("would send:", output_item)