# ============================================
# Projet   : API-KA
# Fichier  : src/database/migrations/env.py
# Node     : m3u96b
# Author   : Simon-Pierre Boucher
# Contact  : contact@spboucher.ai
# Date     : 2026-08-16
# ============================================
"""Environnement Alembic : migrations du schéma API-KA (PostgreSQL sur m3u96b)."""

from __future__ import annotations

from logging.config import fileConfig

from alembic import context
from sqlalchemy import engine_from_config, pool

from src.config import get_settings
from src.database.models import Base

config = context.config

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

config.set_main_option("sqlalchemy.url", get_settings().database_url)

target_metadata = Base.metadata


def run_migrations_offline() -> None:
    """Exécute les migrations en mode 'offline' (génération SQL sans connexion)."""
    context.configure(
        url=config.get_main_option("sqlalchemy.url"),
        target_metadata=target_metadata,
        literal_binds=True,
        dialect_opts={"paramstyle": "named"},
    )
    with context.begin_transaction():
        context.run_migrations()


def run_migrations_online() -> None:
    """Exécute les migrations en mode 'online' (connexion directe à la base)."""
    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()