"""projects.

Revision ID: 0019_projects
Revises: 0018_oauth_identity_pg_partial
Create Date: 2026-09-06
"""

from __future__ import annotations

from collections.abc import Sequence

import sqlalchemy as sa
from alembic import op

revision: str = "0019_projects"
down_revision: str | Sequence[str] | None = "0018_oauth_identity_pg_partial"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    inspector = sa.inspect(op.get_bind())
    if not inspector.has_table("projects"):
        op.create_table(
            "projects",
            sa.Column("id", sa.String(length=64), nullable=False),
            sa.Column("user_id", sa.String(length=64), nullable=False),
            sa.Column("name", sa.String(length=128), nullable=False),
            sa.Column("instructions", sa.Text(), nullable=False),
            sa.Column("presentation", sa.JSON(), nullable=False),
            sa.Column("status", sa.String(length=16), 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"),
        )
        op.create_index("ix_projects_user_id", "projects", ["user_id"])
        op.create_index("ix_projects_status", "projects", ["status"])


def downgrade() -> None:
    inspector = sa.inspect(op.get_bind())
    if inspector.has_table("projects"):
        op.drop_index("ix_projects_status", table_name="projects")
        op.drop_index("ix_projects_user_id", table_name="projects")
        op.drop_table("projects")