"""init

Revision ID: 2fb22c4fff36
Revises: 
Create Date: 2025-03-27 19:00:47.686079

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '2fb22c4fff36'
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('model',
    sa.Column('type', sa.Text(), nullable=False),
    sa.Column('path', sa.Text(), nullable=False),
    sa.Column('title', sa.Text(), nullable=True),
    sa.Column('description', sa.Text(), nullable=True),
    sa.Column('architecture', sa.Text(), nullable=True),
    sa.Column('hash', sa.Text(), nullable=True),
    sa.Column('source_url', sa.Text(), nullable=True),
    sa.Column('date_added', sa.DateTime(), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=True),
    sa.PrimaryKeyConstraint('type', 'path')
    )
    op.create_table('tag',
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('name', sa.Text(), nullable=False),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('name')
    )
    op.create_table('model_tag',
    sa.Column('model_type', sa.Text(), nullable=False),
    sa.Column('model_path', sa.Text(), nullable=False),
    sa.Column('tag_id', sa.Integer(), nullable=False),
    sa.ForeignKeyConstraint(['model_type', 'model_path'], ['model.type', 'model.path'], ondelete='CASCADE'),
    sa.ForeignKeyConstraint(['tag_id'], ['tag.id'], ondelete='CASCADE'),
    sa.PrimaryKeyConstraint('model_type', 'model_path', 'tag_id')
    )
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_table('model_tag')
    op.drop_table('tag')
    op.drop_table('model')
    # ### end Alembic commands ###