"""Initial migration for PostORM.

Revision ID: 5357028a1574
Revises:
Create Date: 2026-05-09 20:56:26.292255

"""

from typing import Sequence, Union

import sqlalchemy as sa

from alembic import op

# revision identifiers, used by Alembic.
revision: str = "5357028a1574"
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."""
    op.create_table(
        "posts",
        sa.Column("id", sa.String(36), nullable=False),
        sa.Column("title", sa.String(200), nullable=False),
        sa.Column("content", sa.Text(), nullable=False),
        sa.Column("slug", sa.String(200), nullable=False),
        sa.Column("author_id", sa.String(100), nullable=False),
        sa.Column("published", sa.Boolean(), nullable=False),
        sa.Column("tags", sa.JSON(), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint("slug"),
    )
    op.create_index("ix_posts_author_id", "posts", ["author_id"])
    op.create_index("ix_posts_published", "posts", ["published"])
    op.create_index("ix_posts_slug", "posts", ["slug"])


def downgrade() -> None:
    """Downgrade schema."""
    op.drop_index("ix_posts_slug", table_name="posts")
    op.drop_index("ix_posts_published", table_name="posts")
    op.drop_index("ix_posts_author_id", table_name="posts")
    op.drop_table("posts")