import type { InventoryItem, ThreadContract } from '../../types';

export function buildNarrativeDocument(params: {
  contract: ThreadContract;
  titleSeed?: string;
}) {
  const title = params.titleSeed || `${params.contract.threadId}调查简札`;
  const currentStep = params.contract.steps[params.contract.visibleStage] ?? params.contract.steps[0];
  const relatedThreadIds = [params.contract.threadId];

  return {
    id: `document:${params.contract.id}`,
    category: '文书',
    name: title,
    quantity: 1,
    rarity: 'rare',
    tags: ['document', 'relic'],
    description: `${title} 里记着当前线程的阶段性摘要与下一步线索。`,
    runtimeMetadata: {
      origin: 'ai_compiled',
      generationChannel: 'quest_reward',
      seedKey: `document:${params.contract.id}`,
      sourceReason: `${params.contract.threadId} 当前进入了新的阶段。`,
      storyFingerprint: {
        visibleClue: currentStep?.revealText ?? `${title} 里写着当前线程的进展。`,
        witnessMark: `${title} 记录着 ${params.contract.threadId} 这一线被谁、在何处继续推了下去。`,
        unresolvedQuestion:
          currentStep?.title
          ?? `${params.contract.threadId} 接下来还要如何继续推进？`,
        currentAppearanceReason: `${params.contract.threadId} 当前进入了新的阶段。`,
        relatedThreadIds,
        relatedScarIds: [],
        reactionHooks: [params.contract.threadId],
      },
    },
  } satisfies InventoryItem;
}

export function compileDocumentKnowledgeFacts(params: {
  document: InventoryItem;
  contract: ThreadContract;
}) {
  return [
    {
      id: `document-fact:${params.document.id}`,
      title: `${params.document.name}的记录`,
      content: params.contract.steps[params.contract.visibleStage]?.revealText ?? params.contract.threadId,
      ownerActorIds: [],
      relatedThreadIds: [params.contract.threadId],
      relatedScarIds: [],
      sourceType: 'document',
      visibility: 'discoverable',
      sayability: 'direct',
      aliases: [params.document.name],
    },
  ];
}