import json
import os
from pathlib import Path

from django.http import JsonResponse
from spid_cie_oidc.entity.models import FederationEntityConfiguration, TrustChain, FetchedEntityStatement


def build_probe_view(service: str):
    info_path = Path("/app/__buildinfo__.json")
    fingerprint_path = Path("/app/__buildfingerprint__")
    info = {}
    if info_path.exists():
        try:
            info = json.loads(info_path.read_text())
        except Exception:
            info = {}
    fingerprint = ""
    if fingerprint_path.exists():
        try:
            fingerprint = fingerprint_path.read_text().strip()
        except Exception:
            fingerprint = ""

    return JsonResponse(
        {
            "ok": True,
            "service": service,
            "build_id": info.get("build_id", ""),
            "built_at_utc": info.get("built_at_utc", ""),
            "image_marker": info.get("image_marker", ""),
            "fingerprint": fingerprint,
            "hostname": os.getenv("HOSTNAME", ""),
        }
    )


def diag_view(service: str):
    configs = FederationEntityConfiguration.objects.all()
    active = FederationEntityConfiguration.objects.filter(is_active=True)
    first = configs.order_by("id").first()
    first_active = active.order_by("id").first()

    return JsonResponse(
        {
            "ok": True,
            "service": service,
            "config_count": configs.count(),
            "active_config_count": active.count(),
            "first_sub": getattr(first, "sub", None),
            "first_entity_type": getattr(first, "entity_type", None),
            "first_active_sub": getattr(first_active, "sub", None),
            "first_active_entity_type": getattr(first_active, "entity_type", None),
            "trust_chain_count": TrustChain.objects.count(),
            "fetched_statement_count": FetchedEntityStatement.objects.count(),
        }
    )