# /opt/docker/dev/service_finder/backend/app/api/v1/endpoints/evidence.py
import logging
from fastapi import APIRouter, UploadFile, File, HTTPException, status, Depends
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy import select, func
from app.api.deps import get_db, get_current_user
from app.models.identity import User
from app.models import Asset # JAVÍTVA: Asset modell
from app.models.marketplace.organization import Organization
from app.models.core_logic import SubscriptionTier, OrganizationSubscription

logger = logging.getLogger(__name__)

router = APIRouter()

@router.post("/scan-registration")
async def scan_registration_document(file: UploadFile = File(...), db: AsyncSession = Depends(get_db), current_user: User = Depends(get_current_user)):
    # ── P0 FEATURE: Quota engine sync — read org's subscription_tier rules ──
    # Instead of hardcoded plan-based lookup from system_parameters,
    # we now read the organization's assigned subscription_tier rules.
    # P0 BOOSTER: extra_allowances.extra_vehicles is added on top.
    max_allowed = 1  # default fallback
    
    if current_user.scope_id:
        # Get the organization and its subscription tier
        stmt_org = select(Organization).where(Organization.id == current_user.scope_id)
        result = await db.execute(stmt_org)
        org = result.scalar_one_or_none()
        
        if org and org.subscription_tier_id:
            stmt_tier = select(SubscriptionTier).where(SubscriptionTier.id == org.subscription_tier_id)
            tier_result = await db.execute(stmt_tier)
            tier = tier_result.scalar_one_or_none()
            
            if tier and tier.rules:
                max_vehicles = tier.rules.get("allowances", {}).get("max_vehicles", 1)
                max_allowed = max(int(max_vehicles), 1)
        elif org:
            # Fallback to legacy base_asset_limit if no tier assigned
            max_allowed = max(org.base_asset_limit or 1, 1)
        
        # ── P0 BOOSTER: Add extra_allowances.extra_vehicles ──
        try:
            org_sub_stmt = select(OrganizationSubscription.extra_allowances).where(
                OrganizationSubscription.org_id == current_user.scope_id,
                OrganizationSubscription.is_active == True
            ).limit(1)
            org_sub_result = await db.execute(org_sub_stmt)
            extra_allowances = org_sub_result.scalar_one_or_none()
            if extra_allowances and isinstance(extra_allowances, dict):
                extra_vehicles = int(extra_allowances.get('extra_vehicles', 0))
                max_allowed += extra_vehicles
                if extra_vehicles > 0:
                    logger.info(f"[P0 BOOSTER] Extra vehicles for org {current_user.scope_id}: +{extra_vehicles}")
        except Exception as e:
            logger.debug(f"Could not read extra_allowances for org {current_user.scope_id}: {e}")

    stmt_count = select(func.count(Asset.id)).where(
        Asset.owner_org_id == current_user.scope_id,
        Asset.status == "active"
    )
    count = (await db.execute(stmt_count)).scalar() or 0
    
    if count >= max_allowed:
        logger.error(f"QUOTA BLOCK TRIGGERED - User Person ID: {current_user.person_id}, Active Count: {count}, Limit: {max_allowed}")
        raise HTTPException(status_code=403, detail=f"Limit túllépés: {max_allowed} jármű engedélyezett.")

    # OCR hívás helye...
    return {"success": True, "message": "Feldolgozás megkezdődött."}