from pathlib import Path
import sys
from logging.config import fileConfig

from alembic import context
from sqlalchemy import engine_from_config, pool

sys.path.append(str(Path(".").resolve()))

from cmf.manage import *

# 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.
fileConfig(config.config_file_name)

init_ds()
# Эта команда создает таблицы в обход алембика
# init_db()


# add your model's MetaData object here
# for 'autogenerate' support
# from myapp import mymodel
# target_metadata = mymodel.Base.metadata
target_metadata = cmf.models.BaseModel.dp.data_driver.db_meta

# other values from the config, defined by the needs of env.py,
# can be acquired:
# my_important_option = config.get_main_option("my_important_option")
# ... etc.
connectable = vars(models)[list(vars(models).keys())[-1]].dp.data_driver.engine

with connectable.connect() as connection:
    context.configure(connection=connection, target_metadata=target_metadata)

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

# def run_migrations_offline():
#     """Run migrations in 'offline' mode.

#     This configures the context with just a URL
#     and not an Engine, though an Engine is acceptable
#     here as well.  By skipping the Engine creation
#     we don't even need a DBAPI to be available.

#     Calls to context.execute() here emit the given string to the
#     script output.

#     """
#     url = config.get_main_option("sqlalchemy.url")
#     context.configure(
#         url=url,
#         target_metadata=target_metadata,
#         literal_binds=True,
#         dialect_opts={"paramstyle": "named"},
#     )

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


# def run_migrations_online():
#     """Run migrations in 'online' mode.

#     In this scenario we need to create an Engine
#     and associate a connection with the context.

#     """
#     print(config)
#     connectable = engine_from_config(
#         config.get_section(config.config_ini_section),
#         prefix="sqlalchemy.",
#         poolclass=pool.NullPool,
#     )

#     with connectable.connect() as connection:
#         context.configure(connection=connection, target_metadata=target_metadata)

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


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