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

config = context.config

if config.config_file_name is not None:
    try:
        fileConfig(config.config_file_name)
    except Exception:
        pass

# Add project root so all app model packages are importable
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "../..")))

from shared.db.base import Base

# Import ALL models so Base.metadata sees every table
import shared.models  # noqa: F401  User, KV, MagicLink, MenuItem, Ghost*
for _mod in ("blog.models", "market.models", "cart.models", "events.models", "federation.models", "glue.models"):
    try:
        __import__(_mod)
    except ImportError:
        pass  # OK in Docker — only needed for autogenerate

target_metadata = Base.metadata

def _get_url() -> str:
    url = os.getenv(
        "ALEMBIC_DATABASE_URL",
        os.getenv("DATABASE_URL", config.get_main_option("sqlalchemy.url") or "")
    )
    print(url)
    return url

def run_migrations_offline() -> None:
    url = _get_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:
    url = _get_url()
    if url:
        config.set_main_option("sqlalchemy.url", url)

    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, compare_type=True)
        with context.begin_transaction():
            context.run_migrations()

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