"""Durable profile, ModelForge route, and Qdrant collection selection.

Revision ID: 0021_embedding_selection
Revises: 0020_source_sync_schedule
"""

from __future__ import annotations

import sqlalchemy as sa
from alembic import op

revision = "0021_embedding_selection"
down_revision = "0020_source_sync_schedule"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "embedding_selection_state",
        sa.Column("singleton_id", sa.Integer(), primary_key=True),
        sa.Column("generation", sa.Integer(), nullable=False),
        sa.Column("initialized", sa.Boolean(), nullable=False),
        sa.Column("active_selection", sa.JSON(), nullable=True),
        sa.Column("previous_selection", sa.JSON(), nullable=True),
        sa.Column(
            "updated_at",
            sa.DateTime(timezone=True),
            nullable=False,
            server_default=sa.func.now(),
        ),
        schema="profiles",
    )
    op.create_table(
        "embedding_selection_operations",
        sa.Column("operation_id", sa.Uuid(as_uuid=True), primary_key=True),
        sa.Column("action", sa.String(length=16), nullable=False),
        sa.Column("expected_generation", sa.Integer(), nullable=False),
        sa.Column("request_fingerprint", sa.String(length=64), nullable=False),
        sa.Column("result_generation", sa.Integer(), nullable=False),
        sa.Column("result_selection", sa.JSON(), nullable=False),
        sa.Column(
            "operation_evidence",
            sa.JSON(),
            nullable=False,
            server_default=sa.text("'{}'::json"),
        ),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        schema="profiles",
    )
    op.create_index(
        "ix_profiles_embedding_selection_operations_created_at",
        "embedding_selection_operations",
        ["created_at"],
        schema="profiles",
    )
    op.bulk_insert(
        sa.table(
            "embedding_selection_state",
            sa.Column("singleton_id", sa.Integer()),
            sa.Column("generation", sa.Integer()),
            sa.Column("initialized", sa.Boolean()),
            sa.Column("active_selection", sa.JSON()),
            sa.Column("previous_selection", sa.JSON()),
            schema="profiles",
        ),
        [
            {
                "singleton_id": 1,
                "generation": 0,
                "initialized": False,
                "active_selection": None,
                "previous_selection": None,
            }
        ],
    )


def downgrade() -> None:
    op.drop_index(
        "ix_profiles_embedding_selection_operations_created_at",
        table_name="embedding_selection_operations",
        schema="profiles",
    )
    op.drop_table("embedding_selection_operations", schema="profiles")
    op.drop_table("embedding_selection_state", schema="profiles")