import { parseAgentChoiceCopy } from "./choice-card";
import type { V9CaseDossier } from "./tool-service";

export type RectificationNarrationDto = Readonly<{
  acknowledgedFacts: readonly string[];
  nextQuestion: string | null;
}>;

export function publicNarrationDtoFromDossier(dossier: V9CaseDossier): RectificationNarrationDto {
  const acknowledgedFacts = dossier.evidence
    .filter((item) => item.status === "confirmed" || item.status === "draft" || item.status === "pending_confirmation")
    .slice(-4)
    .map((item) => item.summary.trim())
    .filter((item) => item.length >= 2);
  const choice = parseAgentChoiceCopy(dossier.conversationSummary.activeFocus?.expectedAnswerSchema ?? null);
  return {
    acknowledgedFacts,
    nextQuestion: choice?.prompt ?? null,
  };
}

export function composeRectificationTurnNarration(dto: RectificationNarrationDto): string {
  const parts: string[] = [];
  if (dto.acknowledgedFacts.length > 0) {
    parts.push(`已经记下：${dto.acknowledgedFacts.join("；")}。`);
  }
  if (dto.nextQuestion) parts.push(dto.nextQuestion);
  if (parts.length === 0) {
    return "请继续说下一件你记得比较清楚、大概带年份的经历。";
  }
  return parts.join("");
}