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

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

# Import your SQLAlchemy models and engine
from models import SQLModel
from database import engine

# this is the Alembic Config object, which provides
# access to the values within the .ini file in use.
config = context.config

# Interpret the config file for Python logging.
# This line sets up loggers basically.
if config.config_file_name is not None:
    fileConfig(config.config_file_name)

# Import all your SQLModel models here so that Alembic can detect them
from models import User, DBSession

# Set the target metadata to SQLModel.metadata
target_metadata = SQLModel.metadata

def run_migrations_offline() -> None:
    """Run migrations in 'offline' mode."""
    url = config.get_main_option("sqlalchemy.url")
    context.configure(
        url=url,
        target_metadata=target_metadata,
        literal_binds=True,
        dialect_opts={"paramstyle": "named"},
        compare_type=True,
    )

    with context.begin_transaction():
        context.run_migrations()

def run_migrations_online() -> None:
    """Run migrations in 'online' mode."""
    connectable = engine
    
    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()