#!/usr/bin/env python3
from __future__ import annotations

import argparse
import json
from pathlib import Path

import agent_runtime_manifest as runtime_manifest


REPO_ROOT = Path(__file__).resolve().parents[1]


def build_markdown_summary(health: dict[str, object]) -> str:
    lines = [
        "# Prompt registry healthcheck",
        "",
        f"- status: `{health.get('status')}`",
        f"- default_prompt_version: `{health.get('default_prompt_version') or 'n/a'}`",
        f"- active_prompt_version: `{health.get('active_prompt_version') or 'n/a'}`",
        f"- prompt_source: `{health.get('prompt_source') or 'n/a'}`",
        f"- prompt_hash: `{health.get('prompt_hash') or 'n/a'}`",
        "",
        "## Prompt files",
    ]
    files = health.get("prompt_files") if isinstance(health.get("prompt_files"), list) else []
    if not files:
        lines.append("- no prompt files resolved")
    else:
        for item in files:
            if not isinstance(item, dict):
                continue
            exists = "yes" if item.get("exists") is True else "no"
            lines.append(f"- `{item.get('slot')}` `{item.get('relative_path')}` exists=`{exists}`")

    failures = health.get("failures") if isinstance(health.get("failures"), list) else []
    warnings = health.get("warnings") if isinstance(health.get("warnings"), list) else []
    lines.extend(["", "## Failures"])
    lines.extend([f"- {item}" for item in failures] if failures else ["- none"])
    lines.extend(["", "## Warnings"])
    lines.extend([f"- {item}" for item in warnings] if warnings else ["- none"])
    return "\n".join(lines).strip() + "\n"


def build_parser() -> argparse.ArgumentParser:
    parser = argparse.ArgumentParser(description="Fail-loud prompt registry healthcheck for AGENT semantic runs.")
    parser.add_argument("--prompt-version", help="Override active prompt version. Defaults to backend DEFAULT_PROMPT_VERSION.")
    parser.add_argument("--json", action="store_true", help="Print machine-readable JSON instead of markdown.")
    parser.add_argument(
        "--allow-preset-mismatch",
        action="store_true",
        help="Downgrade saved preset prompt-version mismatch to warning for exploratory local runs.",
    )
    return parser


def main() -> int:
    args = build_parser().parse_args()
    health = runtime_manifest.build_prompt_registry_health(
        REPO_ROOT,
        prompt_version=args.prompt_version,
        strict_preset_match=not bool(args.allow_preset_mismatch),
    )
    if args.json:
        print(json.dumps(health, ensure_ascii=False, indent=2))
    else:
        print(build_markdown_summary(health), end="")
    return 0 if health.get("status") == "pass" else 1


if __name__ == "__main__":
    raise SystemExit(main())