"""Add inherited curation policies and configurable source limits."""

from collections.abc import Sequence

import sqlalchemy as sa
from alembic import op

revision: str = "20260804_0009"
down_revision: str | Sequence[str] | None = "20260804_0008"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    with op.batch_alter_table("curation_settings") as batch:
        batch.add_column(
            sa.Column("retry_initial_seconds", sa.Integer(), nullable=False, server_default="300")
        )
        batch.add_column(
            sa.Column("retry_max_seconds", sa.Integer(), nullable=False, server_default="3600")
        )
        batch.add_column(
            sa.Column("max_source_files", sa.Integer(), nullable=False, server_default="1000")
        )
        batch.add_column(
            sa.Column(
                "max_source_chars", sa.Integer(), nullable=False, server_default="20000000"
            )
        )
        batch.add_column(
            sa.Column(
                "text_file_max_bytes", sa.Integer(), nullable=False, server_default="2097152"
            )
        )
        batch.add_column(
            sa.Column(
                "rich_file_max_bytes", sa.Integer(), nullable=False, server_default="52428800"
            )
        )
    op.create_table(
        "curation_policy_overrides",
        sa.Column("key", sa.String(length=120), nullable=False),
        sa.Column("scope", sa.String(length=20), nullable=False),
        sa.Column("workspace_type", sa.String(length=32), nullable=True),
        sa.Column("project_id", sa.String(length=36), nullable=True),
        sa.Column("values_json", sa.Text(), nullable=False, server_default="{}"),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
        sa.ForeignKeyConstraint(["project_id"], ["projects.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("key"),
    )
    op.create_index(
        "ix_curation_policy_overrides_scope",
        "curation_policy_overrides",
        ["scope"],
        unique=False,
    )
    op.create_index(
        "ix_curation_policy_overrides_workspace_type",
        "curation_policy_overrides",
        ["workspace_type"],
        unique=False,
    )
    op.create_index(
        "ix_curation_policy_overrides_project_id",
        "curation_policy_overrides",
        ["project_id"],
        unique=False,
    )


def downgrade() -> None:
    op.drop_index(
        "ix_curation_policy_overrides_project_id",
        table_name="curation_policy_overrides",
    )
    op.drop_index(
        "ix_curation_policy_overrides_workspace_type",
        table_name="curation_policy_overrides",
    )
    op.drop_index(
        "ix_curation_policy_overrides_scope",
        table_name="curation_policy_overrides",
    )
    op.drop_table("curation_policy_overrides")
    with op.batch_alter_table("curation_settings") as batch:
        batch.drop_column("rich_file_max_bytes")
        batch.drop_column("text_file_max_bytes")
        batch.drop_column("max_source_chars")
        batch.drop_column("max_source_files")
        batch.drop_column("retry_max_seconds")
        batch.drop_column("retry_initial_seconds")