"""initial schema: blobs, observations

Revision ID: 1608054c0ffe
Revises: 
Create Date: 2026-05-25 17:42:44.976983

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

# revision identifiers, used by Alembic.
revision: str = '1608054c0ffe'
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:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('blobs',
    sa.Column('hash', sa.String(length=64), nullable=False),
    sa.Column('size', sa.BigInteger(), nullable=False),
    sa.Column('storage_path', sa.Text(), nullable=False),
    sa.Column('first_seen', sa.DateTime(timezone=True), nullable=False),
    sa.Column('mime', sa.String(length=128), nullable=True),
    sa.Column('block_reason', sa.String(length=32), nullable=True),
    sa.PrimaryKeyConstraint('hash')
    )
    op.create_table('observations',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('blob_hash', sa.String(length=64), nullable=False),
    sa.Column('hostname', sa.String(length=255), nullable=False),
    sa.Column('basedir', sa.Text(), nullable=False),
    sa.Column('relpath', sa.Text(), nullable=False),
    sa.Column('filename', sa.Text(), nullable=False),
    sa.Column('mtime', sa.DateTime(timezone=True), nullable=False),
    sa.Column('ctime', sa.DateTime(timezone=True), nullable=False),
    sa.Column('scan_time', sa.DateTime(timezone=True), nullable=False),
    sa.Column('source_kind', sa.String(length=32), nullable=False),
    sa.Column('status', sa.String(length=32), nullable=False),
    sa.Column('meta', postgresql.JSONB(astext_type=sa.Text()), nullable=True),
    sa.ForeignKeyConstraint(['blob_hash'], ['blobs.hash'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_observations_blob_hash'), 'observations', ['blob_hash'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_observations_blob_hash'), table_name='observations')
    op.drop_table('observations')
    op.drop_table('blobs')
    # ### end Alembic commands ###