import sys
import os
from datetime import datetime

# Add backend to path
sys.path.append(os.path.join(os.path.dirname(__file__), ".."))

from sqlmodel import Session, select
from database import engine
from models import User, Vertical, UserVerticalPreference, Show, Venue, Notification, NotificationType, PreferenceTier
from services.notification_service import NotificationService

def verify_notifications():
    print(f"DEBUG: Using database URL: {engine.url}")
    with Session(engine) as session:
        print("Setting up test data...")
        
        # 1. Get or create a user
        user = session.exec(select(User).where(User.email == "test_notify@example.com")).first()
        if not user:
            user = User(email="test_notify@example.com", hashed_password="hashed_password", is_active=True)
            session.add(user)
            session.commit()
            session.refresh(user)
        print(f"User ID: {user.id}")
            
        # 2. Get a vertical (Phish or Goose)
        vertical = session.exec(select(Vertical).where(Vertical.slug == "phish")).first()
        if not vertical:
            print("Phish vertical not found, creating dummy...")
            vertical = Vertical(slug="phish", name="Phish")
            session.add(vertical)
            session.commit()
            session.refresh(vertical)
        print(f"Vertical ID: {vertical.id}")
            
        # 3. Create/Update preference
        pref = session.exec(
            select(UserVerticalPreference)
            .where(UserVerticalPreference.user_id == user.id)
            .where(UserVerticalPreference.vertical_id == vertical.id)
        ).first()
        
        if not pref:
            pref = UserVerticalPreference(
                user_id=user.id,
                vertical_id=vertical.id,
                tier=PreferenceTier.HEADLINER,
                notify_on_show=True
            )
            session.add(pref)
        else:
            pref.notify_on_show = True
            session.add(pref)
        session.commit()
        print("User preference set to notify_on_show=True")
        
        # 4. Create a Venue
        venue = session.exec(select(Venue).where(Venue.name == "Test Venue")).first()
        if not venue:
            venue = Venue(name="Test Venue", city="Test City", country="USA")
            session.add(venue)
            session.commit()
            session.refresh(venue)
            
        # 5. Create a Show using Service logic (simulate API call)
        # We invoke NotificationService manually on a new show object
        print("Creating new show...")
        new_show = Show(
            date=datetime.now(),
            slug=f"phish-test-{int(datetime.now().timestamp())}",
            vertical_id=vertical.id,
            venue_id=venue.id
        )
        session.add(new_show)
        session.commit()
        session.refresh(new_show)
        
        service = NotificationService(session)
        service.check_show_alert(new_show)
        
        # 6. Verify Notification
        print("Checking for notification...")
        notes = service.get_user_notifications(user.id)
        found = False
        for n in notes:
            if n.type == NotificationType.SHOW_ALERT and n.link == f"/{vertical.slug}/shows/{new_show.slug}":
                print(f"✅ Notification found: {n.title} - {n.message}")
                found = True
                break
        
        if not found:
            print("❌ Notification NOT found!")
        
        # Clean up test data if needed, but keeping for debug might be fine
        
if __name__ == "__main__":
    verify_notifications()