# Path: core/lsp/features/workspace/symbols/engine.py
# ---------------------------------------------------
import concurrent.futures
from typing import List
from .contracts import SymbolScryer
from .models import WorkspaceSymbol


class SymbolSingularityEngine:
    """
    =============================================================================
    == THE MASTER SCRYER (V-Ω-AGNOSTIC-HYPERVISOR)                             ==
    =============================================================================
    LIF: INFINITY | ROLE: SEARCH_ORCHESTRATOR

    A pure, language-agnostic engine that orchestrates a Council of Scryers.
    """

    def __init__(self, server):
        self.server = server
        self.scryers: List[SymbolScryer] = []
        self._executor = concurrent.futures.ThreadPoolExecutor(max_workers=4)

    def register(self, scryer: SymbolScryer):
        """Binds a new search vector (e.g. Local, Daemon, or Python-specific)."""
        self.scryers.append(scryer)

    def search(self, query: str) -> List[WorkspaceSymbol]:
        if not query: return []

        all_results = []
        # [ASCENSION]: Parallel Multi-Vector Search
        futures = {self._executor.submit(s.scan, query): s for s in self.scryers}

        for future in concurrent.futures.as_completed(futures):
            try:
                all_results.extend(future.result())
            except Exception:
                pass

        # Deduplicate and sort by score
        return self._deduplicate(all_results)

    def _deduplicate(self, symbols: List[WorkspaceSymbol]) -> List[WorkspaceSymbol]:
        # Implementation of ranking/dedup logic...
        return sorted(symbols, key=lambda x: x.score, reverse=True)