#!/usr/bin/env python3
"""HWP → Markdown (HwpToPdfConverter.exe → HWPX → MD)"""
from __future__ import annotations

import subprocess
from pathlib import Path

_EXE_PATH = Path(__file__).parent.parent / 'HwpToHwpxConverter_260420' / 'HwpToPdfConverter.exe'


def _exe_hwp_to_hwpx(hwp_path: Path, timeout: int = 30) -> Path | None:
    """exe로 HWP → HWPX 변환. 성공 시 생성된 .hwpx 경로 반환."""
    if not _EXE_PATH.exists():
        print(f'  [경고] exe 없음: {_EXE_PATH}')
        return None
    hwpx_path = hwp_path.with_suffix('.hwpx')
    existed_before = hwpx_path.exists()
    try:
        subprocess.run(
            [str(_EXE_PATH), str(hwp_path)],
            timeout=timeout,
            capture_output=True,
        )
        if hwpx_path.exists() and (not existed_before or hwpx_path.stat().st_mtime > hwp_path.stat().st_mtime):
            return hwpx_path
        print(f'  [경고] exe 실행 후 .hwpx 파일 없음')
        return None
    except subprocess.TimeoutExpired:
        print(f'  [경고] exe 타임아웃 ({timeout}초)')
        return None
    except Exception as e:
        print(f'  [경고] exe 오류: {e}')
        return None


def convert_hwp(hwp_path: Path, output_dir: Path) -> dict:
    """HWP → MD. AGENT_GUIDE 스펙 dict 반환."""
    hwp_path = Path(hwp_path)
    output_dir = Path(output_dir)
    output_dir.mkdir(parents=True, exist_ok=True)
    md_path = output_dir / f'{hwp_path.stem}.md'

    result = {
        "status": "ok", "input": str(hwp_path),
        "output": str(md_path), "format": "hwp",
    }
    try:
        hwpx_path = _exe_hwp_to_hwpx(hwp_path)
        if hwpx_path:
            from converters.hwpx import convert_hwpx
            r = convert_hwpx(hwpx_path, output_dir)
            if r['status'] == 'ok':
                result['images'] = r.get('images', [])
                return result
            result['error'] = r.get('error', 'hwpx 변환 실패')
        else:
            result['error'] = 'HWP → HWPX 변환 실패 — HwpToPdfConverter.exe 확인 필요'

        result['status'] = 'error'
        print(f'  [경고] HWP 변환 실패: {hwp_path.name}')
    except Exception as e:
        result['status'] = 'error'
        result['error'] = str(e)
    return result