"""hot path indexes

Revision ID: c1f6b3d84a92
Revises: b9e4d1a70c26
Create Date: 2026-08-06 12:00:00.000000

"""

from collections.abc import Sequence

from alembic import op

revision: str = "c1f6b3d84a92"
down_revision: str | None = "b9e4d1a70c26"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.execute(
        "CREATE INDEX ix_messages_chat_date ON messages "
        "(account_id, chat_id, date DESC, message_id DESC)"
    )
    op.execute("CREATE INDEX ix_avatars_owner ON avatars (account_id, owner_id)")
    op.execute("CREATE INDEX ix_media_message ON media (account_id, message_id)")
    op.execute(
        "CREATE INDEX ix_chat_history_chat_ts ON chat_history "
        "(account_id, chat_id, ts DESC)"
    )
    op.execute(
        "CREATE INDEX ix_read_receipts_chat ON read_receipts "
        "(account_id, chat_id, kind, message_id DESC)"
    )


def downgrade() -> None:
    op.execute("DROP INDEX IF EXISTS ix_read_receipts_chat")
    op.execute("DROP INDEX IF EXISTS ix_chat_history_chat_ts")
    op.execute("DROP INDEX IF EXISTS ix_media_message")
    op.execute("DROP INDEX IF EXISTS ix_avatars_owner")
    op.execute("DROP INDEX IF EXISTS ix_messages_chat_date")