"""add task comments

Revision ID: 009
Revises: 008
Create Date: 2026-02-22

"""
from alembic import op
import sqlalchemy as sa

# revision identifiers, used by Alembic.
revision = "009"
down_revision = "008"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "task_comments",
        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
        sa.Column(
            "task_id",
            sa.Integer(),
            sa.ForeignKey("project_tasks.id", ondelete="CASCADE"),
            nullable=False,
        ),
        sa.Column("content", sa.Text(), nullable=False),
        sa.Column("created_at", sa.DateTime(), server_default=sa.func.now()),
    )
    op.create_index("ix_task_comments_task_id", "task_comments", ["task_id"])


def downgrade() -> None:
    op.drop_index("ix_task_comments_task_id", table_name="task_comments")
    op.drop_table("task_comments")