"""init

Revision ID: eeb6744b9452
Revises: 
Create Date: 2025-09-05 14:55:12.005564

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'eeb6744b9452'
down_revision: Union[str, Sequence[str], None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Создание всех таблиц согласно моделям."""
    op.create_table(
        'admins',
        sa.Column('id', sa.Integer(), primary_key=True),
        sa.Column('tg_id', sa.Integer(), unique=True, nullable=False),
    )
    op.create_table(
        'channels',
        sa.Column('id', sa.Integer(), primary_key=True),
        sa.Column('name', sa.String, nullable=True),
        sa.Column('link', sa.String, nullable=True),
        sa.Column('admin_id', sa.Integer(), sa.ForeignKey('admins.id'), nullable=True),
    )
    op.create_table(
        'groups',
        sa.Column('id', sa.Integer(), primary_key=True),
        sa.Column('name', sa.String, nullable=False),
        sa.Column('link', sa.String, nullable=False),
        sa.Column('admin_id', sa.Integer(), sa.ForeignKey('admins.id'), nullable=True),
    )
    op.create_table(
        'buttons',
        sa.Column('id', sa.Integer(), primary_key=True),
        sa.Column('name', sa.String, nullable=False),
        sa.Column('url', sa.String, nullable=False),
        sa.Column('channel_id', sa.Integer(), sa.ForeignKey('channels.id'), nullable=True),
        sa.Column('group_id', sa.Integer(), sa.ForeignKey('groups.id'), nullable=True),
    )


def downgrade() -> None:
    """Удаление всех таблиц."""
    op.drop_table('buttons')
    op.drop_table('groups')
    op.drop_table('channels')
    op.drop_table('admins')