"""indicator_summary_translations table.

Revision ID: 0024
Revises: 0023
Create Date: 2026-05-27
"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op


revision: str = "0024"
down_revision: Union[str, None] = "0023"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "indicator_summary_translations",
        sa.Column("id", sa.BigInteger(), primary_key=True, autoincrement=True),
        sa.Column("summary_id", sa.BigInteger(), nullable=False),
        sa.Column("lang", sa.String(length=8), nullable=False),
        sa.Column("content_md", sa.Text(), nullable=False),
        sa.Column("generated_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("llm_model", sa.String(length=64), nullable=True),
        sa.Column("llm_cost_usd", sa.Float(), nullable=True),
        sa.ForeignKeyConstraint(
            ["summary_id"], ["indicator_summaries.id"],
            ondelete="CASCADE", name="fk_ist_summary",
        ),
        sa.UniqueConstraint("summary_id", "lang", name="uq_ist_summary_lang"),
    )


def downgrade() -> None:
    op.drop_table("indicator_summary_translations")