# 1) Создаём структуру Alembic
mkdir -p services/bot/alembic/versions

# 2) env.py
cat > services/bot/alembic/env.py <<'PY'
from __future__ import annotations
import os
from logging.config import fileConfig
from sqlalchemy import engine_from_config, pool
from alembic import context

config = context.config
# Подменяем URL из переменных окружения контейнера
if os.getenv("DATABASE_URL"):
    config.set_main_option("sqlalchemy.url", os.getenv("DATABASE_URL"))

fileConfig(config.config_file_name)

# Метаданные моделей
from app.models.base import Base  # noqa: E402
target_metadata = Base.metadata

def run_migrations_offline():
    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():
    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()
PY

# 3) Первая миграция
cat > services/bot/alembic/versions/0001_init.py <<'PY'
from alembic import op
import sqlalchemy as sa

revision = '0001_init'
down_revision = None
branch_labels = None
depends_on = None

def upgrade():
    op.create_table(
        'admins',
        sa.Column('id', sa.Integer(), primary_key=True, autoincrement=True),
        sa.Column('telegram_id', sa.Integer(), unique=True, index=True),
        sa.Column('full_name', sa.String(length=120), nullable=True),
        sa.Column('created_at', sa.DateTime(), nullable=False, server_default=sa.text('CURRENT_TIMESTAMP')),
    )

    op.create_table(
        'candidates',
        sa.Column('id', sa.Integer(), primary_key=True, autoincrement=True),
        sa.Column('telegram_id', sa.Integer(), unique=True, index=True),
        sa.Column('username', sa.String(length=100), nullable=True),
        sa.Column('full_name', sa.String(length=120), nullable=True),
        sa.Column('gender', sa.String(length=20), nullable=True),
        sa.Column('birth_date', sa.Date(), nullable=True),
        sa.Column('height_cm', sa.Float(), nullable=True),
        sa.Column('weight_kg', sa.Float(), nullable=True),
        sa.Column('country', sa.String(length=80), nullable=True),
        sa.Column('city', sa.String(length=120), nullable=True),
        sa.Column('citizenship', sa.String(length=80), nullable=True),
        sa.Column('visa_status', sa.String(length=60), nullable=True),
        sa.Column('languages', sa.String(length=200), nullable=True),
        sa.Column('education', sa.String(length=120), nullable=True),
        sa.Column('occupation', sa.String(length=120), nullable=True),
        sa.Column('income_range', sa.String(length=60), nullable=True),
        sa.Column('religion', sa.String(length=80), nullable=True),
        sa.Column('marital_status', sa.String(length=60), nullable=True),
        sa.Column('has_children', sa.Boolean(), nullable=True),
        sa.Column('children_notes', sa.String(length=200), nullable=True),
        sa.Column('smoking', sa.String(length=20), nullable=True),
        sa.Column('alcohol', sa.String(length=20), nullable=True),
        sa.Column('health_notes', sa.String(length=300), nullable=True),
        sa.Column('hobbies_tags', sa.String(length=300), nullable=True),
        sa.Column('hobbies_free', sa.Text(), nullable=True),
        sa.Column('goal', sa.String(length=120), nullable=True),
        sa.Column('partner_prefs', sa.Text(), nullable=True),
        sa.Column('avatar_file_id', sa.String(length=200), nullable=True),
        sa.Column('gallery_file_ids', sa.Text(), nullable=True),
        sa.Column('consent_personal', sa.Boolean(), nullable=False, server_default=sa.text('0')),
        sa.Column('consent_policy', sa.Boolean(), nullable=False, server_default=sa.text('0')),
        sa.Column('is_verified', sa.Boolean(), nullable=False, server_default=sa.text('0')),
        sa.Column('is_active', sa.Boolean(), nullable=False, server_default=sa.text('1')),
        sa.Column('created_at', sa.DateTime(), nullable=False, server_default=sa.text('CURRENT_TIMESTAMP')),
        sa.Column('updated_at', sa.DateTime(), nullable=False, server_default=sa.text('CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP')),
    )

def downgrade():
    op.drop_table('candidates')
    op.drop_table('admins')
PY