import sys
import os
from datetime import datetime, timedelta
import random

# Add current directory to path
sys.path.append(os.path.dirname(os.path.abspath(__file__)))

from app.core.database import SessionLocal, engine, Base
from app.models.user import User
from app.models.website import Website
from app.models.chat_session import ChatSession
from app.models.faq import FAQ
from app.core.security import get_password_hash

# Ensure tables exist
Base.metadata.create_all(bind=engine)

def seed_data():
    db = SessionLocal()
    try:
        print("🌱 Seeding dashboard data...")
        
        # 1. Get or Create Test User
        email = "test@example.com"
        user = db.query(User).filter(User.email == email).first()
        if not user:
            print(f"Creating user {email}...")
            user = User(email=email, hashed_password=get_password_hash("password123"))
            db.add(user)
            db.commit()
            db.refresh(user)
        else:
            print(f"User {email} found.")

        # 2. Get or Create Website
        website = db.query(Website).filter(Website.owner_id == user.id).first()
        if not website:
            print("Creating sample website...")
            website = Website(
                url="https://example.com",
                name="Example Store",
                owner_id=user.id,
                is_verified=True
            )
            db.add(website)
            db.commit()
            db.refresh(website)
        else:
            print(f"Website {website.url} found.")

        # 3. Create Chat Sessions (Last 30 days)
        print("Generating chat sessions...")
        # Check if we already have sessions
        count = db.query(ChatSession).filter(ChatSession.website_id == website.id).count()
        if count < 10:
            now = datetime.utcnow()
            
            # Create 50 random sessions
            for i in range(50):
                days_ago = random.randint(0, 30)
                started_at = now - timedelta(days=days_ago, hours=random.randint(0, 23))
                
                session = ChatSession(
                    session_id=f"sess_{random.randint(10000, 99999)}",
                    website_id=website.id,
                    visitor_email=f"visitor{i}@test.com",
                    message_count=random.randint(2, 10),
                    started_at=started_at,
                    last_activity_at=started_at + timedelta(minutes=random.randint(5, 30)),
                    ended_at=started_at + timedelta(minutes=random.randint(5, 30)),
                    is_active=False,
                    messages=[
                        {"text": "Hi, I have a question", "isUser": True, "timestamp": started_at.isoformat()},
                        {"text": "Sure, how can I help?", "isUser": False, "timestamp": (started_at + timedelta(seconds=5)).isoformat()}
                    ]
                )
                db.add(session)
            db.commit()
            print("✅ Added 50 chat sessions.")
        else:
            print("Skipping chat sessions (already exist).")

        # 4. Create FAQs
        print("Generating FAQs...")
        if db.query(FAQ).filter(FAQ.website_id == website.id).count() == 0:
            faqs = [
                FAQ(website_id=website.id, question="What are your shipping rates?", answer="We offer free shipping on orders over $50."),
                FAQ(website_id=website.id, question="Do you accept returns?", answer="Yes, within 30 days of purchase."),
                FAQ(website_id=website.id, question="Where are you located?", answer="We are based in New York City.")
            ]
            db.add_all(faqs)
            db.commit()
            print("✅ Added 3 sample FAQs.")
        else:
            print("Skipping FAQs (already exist).")

        print("🎉 Seeding complete! Dashboard should now show real data.")

    except Exception as e:
        print(f"❌ Error seeding data: {e}")
        db.rollback()
    finally:
        db.close()

if __name__ == "__main__":
    seed_data()