from __future__ import annotations

import json

from clause_retrieval import init_clause_retrieval, load_ontology
from config import (
    CORPUS_MCKF_ONTOLOGY_PATH,
    MCKF_ONTOLOGY_PATH,
    MCKF_VALIDATION_REPORT_PATH,
    RUNTIME_BUILD_MANIFEST_PATH,
)
from normative_contract import file_sha256
from decision_runtime import NormativeDecisionRuntime
from normative_runtime import init_normative_runtime, normative_review_coverage
from release_identity import compute_release_manifest
from config import ROOT_DIR

BOOTSTRAPPED = False
RUNTIME_BUILD_INFO: dict = {}
DECISION_RUNTIME = NormativeDecisionRuntime()


def bootstrap_once(force: bool = False) -> None:
    """Load one validated, immutable runtime build as the knowledge source."""
    global BOOTSTRAPPED, RUNTIME_BUILD_INFO, DECISION_RUNTIME
    if BOOTSTRAPPED and not force:
        return
    ontology_path = CORPUS_MCKF_ONTOLOGY_PATH if CORPUS_MCKF_ONTOLOGY_PATH.exists() else MCKF_ONTOLOGY_PATH
    manifest = _load_json(RUNTIME_BUILD_MANIFEST_PATH)
    validation = _load_json(MCKF_VALIDATION_REPORT_PATH)
    ontology = load_ontology(ontology_path)
    if manifest:
        expected_build = str(manifest.get("build_id", "") or "")
        actual_build = str(ontology.get("build_id", "") or expected_build or "")
        if expected_build and actual_build and expected_build != actual_build and ontology.get("build_id"):
            print(f"[WARN] MCKF build_id uyuşmazlığı uyarısı: manifest={expected_build}, corpus={actual_build}")
        expected_hash = str(
            ((manifest.get("artifacts", {}) or {}).get(ontology_path.name, {}) or {}).get("sha256", "")
        )
        if expected_hash and file_sha256(ontology_path) != expected_hash:
            print(f"[WARN] MCKF corpus dosya özeti uyarısı: {ontology_path.name}")
        release = compute_release_manifest(ROOT_DIR, actual_build)
        expected_release = str(manifest.get("release_id", "") or "")
        if expected_release and expected_release != release.get("release_id"):
            print(f"[WARN] MitrAnlil release_id uyuşmazlığı uyarısı: expected={expected_release}, actual={release.get('release_id')}")
    else:
        release = compute_release_manifest(ROOT_DIR, str(ontology.get("build_id", "") or ""))

    if validation and validation.get("conforms") is not True:
        raise RuntimeError("MCKF corpus doğrulama kapısından geçmedi; runtime başlatılmadı.")
    init_clause_retrieval(ontology)
    init_normative_runtime(ontology)
    DECISION_RUNTIME = NormativeDecisionRuntime.from_corpus(ontology)
    RUNTIME_BUILD_INFO = {
        "build_id": ontology.get("build_id", "legacy-unversioned"),
        "release_id": release.get("release_id", ""),
        "schema": ontology.get("schema", ""),
        "manifest": bool(manifest),
        "validation_conforms": validation.get("conforms") if validation else None,
        "decision_contract_count": len(DECISION_RUNTIME.contracts),
        "runtime_layers": ["knowledge_assistant", "decision_runtime"],
        "review_coverage": normative_review_coverage(),
    }
    BOOTSTRAPPED = True


def reload_runtime() -> dict:
    bootstrap_once(force=True)
    return dict(RUNTIME_BUILD_INFO)


def runtime_build_info() -> dict:
    return dict(RUNTIME_BUILD_INFO)


def evaluate_normative_decision(decision_type: str, facts: dict, as_of_date: str = "") -> dict:
    bootstrap_once()
    return DECISION_RUNTIME.evaluate(decision_type, facts, as_of_date)


def decision_governance_report() -> dict:
    bootstrap_once()
    return DECISION_RUNTIME.governance_report()


def decision_contract_catalog() -> list[dict]:
    bootstrap_once()
    return [
        {
            "contract_id": item.get("contract_id", ""),
            "decision_type": item.get("decision_type", ""),
            "title": item.get("title", ""),
            "version": item.get("version", ""),
            "source_refs": item.get("source_refs", []) or [],
            "input_schema": item.get("input_schema", {}) or {},
            "judgment_requirements": item.get("judgment_requirements", []) or [],
            "review_status": item.get("review_status", ""),
        }
        for item in DECISION_RUNTIME.contracts
    ]


def _load_json(path) -> dict:
    if not path.exists():
        return {}
    try:
        return json.loads(path.read_text(encoding="utf-8"))
    except Exception:
        return {}