from logging.config import fileConfig
from sqlalchemy import engine_from_config
from sqlalchemy import pool
from alembic import context
import sys
import os

# Add project root to Python path
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))

from core.database import Base, SQLALCHEMY_DATABASE_URL
from models.user import User  # Import all models

config = context.config
fileConfig(config.config_file_name)
config.set_main_option('sqlalchemy.url', SQLALCHEMY_DATABASE_URL)

target_metadata = Base.metadata

def run_migrations_offline():
    context.configure(
        url=SQLALCHEMY_DATABASE_URL,
        target_metadata=target_metadata,
        literal_binds=True,
        dialect_opts={"paramstyle": "named"},
    )
    with context.begin_transaction():
        context.run_migrations()

def run_migrations_online():
    connectable = engine_from_config(
        {"sqlalchemy.url": SQLALCHEMY_DATABASE_URL},
        prefix="sqlalchemy.",
        poolclass=pool.NullPool,
    )
    with connectable.connect() as connection:
        context.configure(
            connection=connection,
            target_metadata=target_metadata,
            compare_type=True
        )
        with context.begin_transaction():
            context.run_migrations()

if context.is_offline_mode():
    run_migrations_offline()
else:
    run_migrations_online()