import sys
import os
from sqlalchemy import text, inspect

# Assume we run this from backend/ with PYTHONPATH=.
from core.database import CoreSessionLocal, core_engine as engine

def check_table():
    inspector = inspect(engine)
    schemas = inspector.get_schema_names()
    print(f"Schemas found: {schemas}")
    
    if 'a76' not in schemas:
        print("Schema 'a76' does not exist!")
        # return # Proceed anyway to check if table exists in public or other schemas?

    # Check for table in a76 schema
    try:
        table_names = inspector.get_table_names(schema='a76')
        print(f"Tables in 'a76': {table_names}")

        if 'manifests' in table_names:
            print("Table 'a76.manifests' exists.")
            columns = [c['name'] for c in inspector.get_columns('manifests', schema='a76')]
            print(f"Columns: {columns}")
            
            # Try a simple count
            try:
                with CoreSessionLocal() as db:
                    result = db.execute(text("SELECT count(*) FROM a76.manifests"))
                    print(f"Count result: {result.scalar()}")
            except Exception as e:
                print(f"Error querying table: {e}")
        else:
            print("Table 'a76.manifests' DOES NOT exist in schema 'a76'.")
    except Exception as e:
        print(f"Error inspecting schema 'a76': {e}")

if __name__ == "__main__":
    check_table()