#!/usr/bin/env python3
"""gen_provider_format_truth.py — factory batch 5 truth battery (live
provider_registry._format_tools_* oracles)."""

import json
import sys
from pathlib import Path

REPO = Path(__file__).resolve().parent.parent
sys.path.insert(0, str(REPO / "src"))
sys.path.insert(0, str(REPO / "src" / "rune"))

import provider_registry as pr  # noqa: E402


def main():
    tools = [
        {"name": "read_file", "description": "Read a file",
         "parameters": {"type": "object", "properties": {"path": {"type": "string"}}}},
        {"name": "write_file", "description": "Write a file"},  # no parameters key
    ]
    cases = [
        {"fn": "openai", "name": "shape", "input": {"tools": tools},
         "expected": pr._format_tools_openai(tools)},
        {"fn": "anthropic", "name": "shape", "input": {"tools": tools},
         "expected": pr._format_tools_anthropic(tools)},
    ]
    out = {"oracle": "provider_registry._format_tools_*", "generated": "2026-10-07", "cases": cases}
    target = REPO / "src/go/provider-registry" / "truth_format.json"
    target.write_text(json.dumps(out, indent=1) + "\n")
    print(f"wrote {target} ({len(cases)} cases)")


if __name__ == "__main__":
    main()