import type { Group } from "@rakazo/contracts";
import { IntakeBlockSchema } from "@rakazo/contracts";
import { ACTIVE_RUN_STATUSES } from "@rakazo/core";

export const activeRunStatuses = [...ACTIVE_RUN_STATUSES];

export const activeRunSelection = {
  where: { status: { in: activeRunStatuses } },
  orderBy: { createdAt: "desc" as const },
  take: 1,
  select: { status: true },
} as const;

export function previewFromBlocks(blocks: unknown): string {
  const rows = Array.isArray(blocks) ? blocks : [];
  for (const block of rows) {
    if (
      block &&
      typeof block === "object" &&
      "text" in block &&
      typeof (block as { text?: unknown }).text === "string"
    ) {
      return (block as { text: string }).text;
    }
  }
  return "";
}

/**
 * A group's preview of its latest message. An onboarding card or note comes along as
 * `previewBlock`, so the web can word the preview in the user's language.
 */
export function groupPreview(blocks: unknown): Pick<Group, "preview" | "previewBlock"> {
  const intake = IntakeBlockSchema.safeParse(Array.isArray(blocks) ? blocks[0] : undefined);
  return {
    preview: previewFromBlocks(blocks),
    ...(intake.success ? { previewBlock: intake.data } : {}),
  };
}