from __future__ import annotations

from pathlib import Path
from typing import Any


def rebuild_candidate(cdsl: dict[str, Any], output: Path) -> dict[str, Any]:
    from engine.cdsl_engine.runtime import analyze_cdsl, rebuild_cdsl
    from .selector_binding import bind_candidate_selectors
    analysis = analyze_cdsl(cdsl)
    analysis_dict = analysis.as_dict() if hasattr(analysis, "as_dict") else {"runtime_eligible": analysis.runtime_eligible}
    if not analysis.runtime_eligible:
        return {"status": "runtime_ineligible", "analysis": analysis_dict}
    try:
        bound, binding = bind_candidate_selectors(cdsl)
        result = rebuild_cdsl(bound, output, strict=True)
        return {"status": "rebuilt", "analysis": analysis_dict, "selector_binding": binding, "bound_cdsl": bound, "result": result}
    except Exception as exc:
        detail = {"type": type(exc).__name__, "message": str(exc)}
        if hasattr(exc, "selector_resolutions"): detail["selector_resolutions"] = exc.selector_resolutions
        return {"status": "rebuild_failed", "analysis": analysis_dict, "error": detail}