"""Managed thumbnail cache table.

Revision ID: 0003_thumbnails
Revises: 0002_duplicate_engine
Create Date: 2026-07-15
"""

import sqlalchemy as sa
from alembic import op

revision = "0003_thumbnails"
down_revision = "0002_duplicate_engine"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "thumbnails",
        sa.Column("cache_key", sa.String(), primary_key=True),
        sa.Column("asset_id", sa.String(), sa.ForeignKey("assets.id"), nullable=False),
        sa.Column("size", sa.Integer(), nullable=False),
        sa.Column("state", sa.String(), nullable=False),
        sa.Column("error_code", sa.String(), nullable=True),
        sa.Column("path", sa.String(), nullable=True),
        sa.Column("width", sa.Integer(), nullable=True),
        sa.Column("height", sa.Integer(), nullable=True),
        sa.Column("format", sa.String(), nullable=True),
        sa.Column(
            "created_at",
            sa.DateTime(timezone=True),
            nullable=False,
            server_default=sa.text("CURRENT_TIMESTAMP"),
        ),
        sa.Column(
            "updated_at",
            sa.DateTime(timezone=True),
            nullable=False,
            server_default=sa.text("CURRENT_TIMESTAMP"),
        ),
    )
    op.create_index("ix_thumbnails_asset_id", "thumbnails", ["asset_id"])


def downgrade() -> None:
    op.drop_table("thumbnails")