from logging.config import fileConfig
import os
import sys

from sqlalchemy import engine_from_config
from sqlalchemy import pool

from alembic import context

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

from app.core.database import Base
from app.core.config import get_settings

# Import all models so Alembic can detect them
from app.models.user import User  # noqa
from app.models.instance import Instance  # noqa
from app.models.ticket import Ticket  # noqa
from app.models.audit_log import AuditLog  # noqa
from app.models.audit_rule import AuditRule  # noqa

config = context.config

# Override sqlalchemy.url from settings
config.set_main_option("sqlalchemy.url", get_settings().DATABASE_URL.replace("+aiosqlite", ""))

if config.config_file_name is not None:
    fileConfig(config.config_file_name)

target_metadata = Base.metadata


def run_migrations_offline() -> None:
    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() -> None:
    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()