/**
 * The `media` columns a normal read takes, with a table alias.
 *
 * `text_content` is deliberately left out: it holds up to
 * `AppData.BotAttachmentTextStoreMaxChars` of extracted document text, and
 * every caller that only needs a file's name, type or path (`SELECT m.*`
 * did) pulled it into memory, into page props and into API responses.
 * Read it explicitly where it is really used:
 * `src/bots-queue/load-attachment-parts.ts` and
 * `src/functions/backend/db/bot-files/ingest-bot-file.ts`.
 */
export default function mediaColumns({
    alias = "m",
    with_text_content,
}: { alias?: string; with_text_content?: boolean } = {}) {
    const columns = [
        "id",
        "created_at",
        "updated_at",
        "user_id",
        "title",
        "description",
        "summary",
        "media_type",
        "media_write_path",
        "media_thumbnail_write_path",
        "mime_type",
        "is_primary",
        "is_rag_ingested",
        "archived",
    ];

    /**
     * Only the two paths that really use it ask for it: the reply that
     * hands a document to a model, and ingestion.
     */
    if (with_text_content) columns.push("text_content");

    return columns.map((column) => `${alias}.${column}`).join(", ");
}