"""create scheme_artifacts

Revision ID: 20260319_12
Revises: 20260318_11
Create Date: 2026-03-19 12:00:00
"""

from alembic import op
import sqlalchemy as sa


revision = "20260319_12"
down_revision = "20260318_11"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "scheme_artifacts",
        sa.Column("id", sa.BigInteger(), primary_key=True, autoincrement=True),
        sa.Column("artifact_id", sa.String(length=32), nullable=False),
        sa.Column("scheme_id", sa.String(length=32), nullable=False),
        sa.Column("scheme_version_id", sa.String(length=32), nullable=False),
        sa.Column("artifact_type", sa.String(length=64), nullable=False),
        sa.Column("artifact_variant", sa.String(length=64), nullable=False),
        sa.Column("storage_path", sa.Text(), nullable=False),
        sa.Column("status", sa.String(length=32), nullable=False, server_default="ready"),
        sa.Column("meta_json", sa.JSON(), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.text("now()")),
    )

    op.create_index("ix_scheme_artifacts_artifact_id", "scheme_artifacts", ["artifact_id"], unique=True)
    op.create_index("ix_scheme_artifacts_scheme_id", "scheme_artifacts", ["scheme_id"], unique=False)
    op.create_index("ix_scheme_artifacts_scheme_version_id", "scheme_artifacts", ["scheme_version_id"], unique=False)
    op.create_index("ix_scheme_artifacts_type_variant", "scheme_artifacts", ["scheme_version_id", "artifact_type", "artifact_variant"], unique=False)


def downgrade() -> None:
    op.drop_index("ix_scheme_artifacts_type_variant", table_name="scheme_artifacts")
    op.drop_index("ix_scheme_artifacts_scheme_version_id", table_name="scheme_artifacts")
    op.drop_index("ix_scheme_artifacts_scheme_id", table_name="scheme_artifacts")
    op.drop_index("ix_scheme_artifacts_artifact_id", table_name="scheme_artifacts")
    op.drop_table("scheme_artifacts")