import { prisma } from "@kokorone/db";

const API_PORT = process.env.PORT_API ?? "3001";
const WORK_ID = "smoke-n-work";
const A_ID = "smoke-n-a"; // 小明，傲嬌，正史成年，goalsObsessions 對應麵包店模板
const B_ID = "smoke-n-b"; // 小美，元氣，正史未成年、後日談推演成年

async function post(path, body) {
  const res = await fetch(`http://localhost:${API_PORT}${path}`, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify(body ?? {}),
  });
  return { status: res.status, body: res.ok ? await res.json() : await res.json().catch(() => null) };
}

async function postOk(path, body) {
  const result = await post(path, body);
  if (result.status >= 300) {
    throw new Error(`POST ${path} 回傳 ${result.status}：${JSON.stringify(result.body)}`);
  }
  return result.body;
}

async function get(path) {
  const res = await fetch(`http://localhost:${API_PORT}${path}`);
  if (!res.ok) {
    throw new Error(`GET ${path} 回傳 ${res.status}`);
  }
  return res.json();
}

export default async function smokeN() {
  await prisma.character.deleteMany({ where: { id: { in: [A_ID, B_ID] } } });
  await prisma.work.deleteMany({ where: { id: WORK_ID } });
  await prisma.work.create({ data: { id: WORK_ID, title: "測試作品（自製文本）", anchorStoryOrder: 0 } });

  await postOk("/personality/characters", {
    id: A_ID,
    source: "EXISTING_WORK",
    workId: WORK_ID,
    buildStatus: "BUILT",
    formalName: "小明",
    basicInfo: "測試角色",
    backgroundStory: "測試",
    personalityArchetype: "傲嬌",
    likesDislikes: "測試",
    goalsObsessions: "想開一家麵包店",
    speechStyle: "第一人稱「我」",
  });
  await postOk("/personality/characters", {
    id: B_ID,
    source: "EXISTING_WORK",
    workId: WORK_ID,
    buildStatus: "BUILT",
    formalName: "小美",
    basicInfo: "測試角色",
    backgroundStory: "測試",
    personalityArchetype: "元氣",
    likesDislikes: "測試",
    goalsObsessions: "測試",
    speechStyle: "第一人稱「我」",
  });
  await postOk(`/romance/${A_ID}/age-evidence`, {
    evidenceType: "OFFICIAL_STATED",
    impliesAdult: true,
    isEpilogue: false,
    description: "設定集載明成年",
  });
  await postOk(`/romance/${B_ID}/age-evidence`, {
    evidenceType: "OFFICIAL_STATED",
    impliesAdult: false,
    isEpilogue: false,
    description: "正史設定 16 歲",
  });
  await postOk(`/romance/${B_ID}/age-evidence`, {
    evidenceType: "ELAPSED_TIME",
    impliesAdult: true,
    isEpilogue: true,
    description: "後日談推演經過 3 年",
  });

  for (let storyOrder = 1; storyOrder <= 3; storyOrder += 1) {
    await postOk("/canon/scenes", {
      workId: WORK_ID,
      volume: 1,
      chapterLabel: `第${storyOrder}章`,
      storyOrder,
      summary: `日常場景 ${storyOrder}。`,
      rawText: "（自製測試文本）",
      participantCharacterIds: [A_ID, B_ID],
      lines: [{ lineType: "NARRATION", rawText: `平靜的一天 ${storyOrder}。` }],
    });
  }
  await prisma.work.update({ where: { id: WORK_ID }, data: { anchorStoryOrder: 3 } });

  // N-1 區間切換：錨定點抵達已出版內容盡頭時切入後日談。
  const afterTransition = await postOk(`/epilogue/works/${WORK_ID}/check-transition`, {});
  if (!afterTransition.inEpilogue || afterTransition.epilogueStartStoryOrder !== 3) {
    throw new Error("錨定點抵達已出版內容盡頭時應該切入後日談區間");
  }

  // N-1 時間流速：後日談自然成年角色（小美）的流速上限為現實 1:1，任何嘗試設定快轉都必須被引擎層拒絕。
  const fastAttempt = await post(`/epilogue/works/${WORK_ID}/time-flow`, { mode: "FAST" });
  if (fastAttempt.status < 400) {
    throw new Error("含後日談自然成年角色的作品，不應該可以設定快轉流速");
  }
  const slowAttempt = await postOk(`/epilogue/works/${WORK_ID}/time-flow`, { mode: "SLOW" });
  if (slowAttempt.timeFlowMode !== "SLOW") {
    throw new Error("調慢流速應該被允許");
  }

  // N-2 性格漂移：性格核心（原型）鎖定不變，數值參數依正史已顯現的成長軌跡外插做小幅位移。
  await prisma.personalityTraitSnapshot.create({
    data: { characterId: A_ID, atStoryOrder: 1, note: "剛登場時很嘴硬", expressivenessOverride: 0.9 },
  });
  await prisma.personalityTraitSnapshot.create({
    data: { characterId: A_ID, atStoryOrder: 3, note: "後期漸漸敞開心房", expressivenessOverride: 0.8 },
  });
  const driftAtCanonEnd = await get(`/epilogue/characters/${A_ID}/drift?atStoryOrder=3`);
  const driftAfterLongEpilogue = await get(`/epilogue/characters/${A_ID}/drift?atStoryOrder=53`);
  if (driftAtCanonEnd.archetype !== "傲嬌" || driftAfterLongEpilogue.archetype !== "傲嬌") {
    throw new Error("長期推演後性格原型判定不應該改變");
  }
  if (driftAtCanonEnd.driftAmount !== 0) {
    throw new Error("剛切入後日談、還沒經過任何推演時間時，不應該已經有位移");
  }
  if (driftAfterLongEpilogue.driftAmount === 0 || Math.abs(driftAfterLongEpilogue.driftAmount) > 0.2) {
    throw new Error("長期推演後應該出現小幅（但不失控）的參數位移");
  }

  // N-3/N-4 人生階段推演與角色群同步成長：依正史目標推演里程碑，在場角色的敘述互相呼應；低頻節流；
  // 沒有正史依據（目標文字對不上任何模板）的角色不生成重大轉折。
  const milestone = await postOk(`/epilogue/characters/${A_ID}/milestone`, {
    storyOrder: 10,
    attendeeCharacterIds: [B_ID],
  });
  if (!milestone.scene || milestone.label !== "籌備麵包店") {
    throw new Error("有正史依據（goalsObsessions 對應模板）時應該生成里程碑事件");
  }
  const memoryA = await prisma.episodicMemory.findFirst({ where: { characterId: A_ID, content: { contains: "麵包店" } } });
  const memoryB = await prisma.episodicMemory.findFirst({ where: { characterId: B_ID, content: { contains: "麵包店" } } });
  if (!memoryA || !memoryB || memoryA.content !== memoryB.content) {
    throw new Error("同一場推演事件的在場角色，敘述應該互相呼應（同一份場景摘要）");
  }
  const tooSoon = await postOk(`/epilogue/characters/${A_ID}/milestone`, { storyOrder: 11 });
  if (tooSoon.scene !== null) {
    throw new Error("重大轉折需要低頻——離上次里程碑太近不應該再生成");
  }
  const noBasis = await postOk(`/epilogue/characters/${B_ID}/milestone`, { storyOrder: 10 });
  if (noBasis.scene !== null) {
    throw new Error("沒有正史依據（目標文字對不上任何模板）時不應該生成重大轉折");
  }

  // N-5 正史回收：官方續篇出版時，推演區間被正史替換；互動記憶保留，並以記憶修正演出敘事化消化。
  await prisma.episodicMemory.create({
    data: {
      characterId: A_ID,
      content: "使用者跟我聊了關於麵包店裝潢的想法",
      occurredAt: new Date(),
      emotionTag: "CALM",
      emotionIntensity: 0.3,
      source: "INTERACTION",
      weight: 1,
    },
  });
  const reclaimResult = await postOk(`/epilogue/works/${WORK_ID}/reclaim`, {
    newCanonScenes: [
      {
        workId: WORK_ID,
        volume: 2,
        chapterLabel: "官方續篇第一章",
        storyOrder: 10,
        summary: "官方續篇：小明決定先去麵包店打工學習，而不是直接開店。",
        rawText: "（自製測試文本）",
        participantCharacterIds: [A_ID],
        lines: [{ lineType: "NARRATION", rawText: "小明先去了一家麵包店打工學習。" }],
      },
    ],
  });
  if (reclaimResult.removedEpilogueScenes !== 1 || reclaimResult.importedCanonScenes !== 1) {
    throw new Error("正史回收應該移除被取代的推演場景並匯入官方新場景");
  }
  const interactionAfterReclaim = await prisma.episodicMemory.findMany({ where: { characterId: A_ID, source: "INTERACTION" } });
  if (interactionAfterReclaim.length !== 1 || interactionAfterReclaim[0].content !== "使用者跟我聊了關於麵包店裝潢的想法") {
    throw new Error("正史回收後，使用者互動記憶必須完整保留、不可遺失");
  }
  const oldEpilogueMemory = await prisma.episodicMemory.findFirst({ where: { characterId: A_ID, content: { contains: "四處看店面" } } });
  if (oldEpilogueMemory) {
    throw new Error("被正史取代的推演事件，其投影出的記憶應該被移除");
  }
  const newCanonMemory = await prisma.episodicMemory.findFirst({ where: { characterId: A_ID, content: { contains: "打工學習" } } });
  if (!newCanonMemory) {
    throw new Error("官方新場景匯入後應該投影出對應的情節記憶");
  }
  const realizationMemory = await prisma.episodicMemory.findFirst({ where: { characterId: A_ID, source: "CORRECTION" } });
  if (!realizationMemory) {
    throw new Error("正史回收後應該以「記憶修正」演出敘事化消化這段差異，不是假裝沒發生過");
  }

  // N-5 分支保留：選擇分支後，之後官方新內容不再匯入。
  await postOk(`/epilogue/works/${WORK_ID}/branch`, {});
  const branchedWork = await prisma.work.findUniqueOrThrow({ where: { id: WORK_ID } });
  if (!branchedWork.branchedFromCanon) {
    throw new Error("選擇分支保留後，作品應該標記為已分岔");
  }
  const reclaimAfterBranch = await post(`/epilogue/works/${WORK_ID}/reclaim`, {
    newCanonScenes: [
      {
        workId: WORK_ID,
        volume: 3,
        chapterLabel: "更多官方內容",
        storyOrder: 20,
        summary: "測試。",
        rawText: "測試。",
        participantCharacterIds: [A_ID],
        lines: [],
      },
    ],
  });
  if (reclaimAfterBranch.status < 400) {
    throw new Error("已分岔的作品實例，不應該再接受官方新內容匯入");
  }

  // 清理本次測試建立的角色與作品（cascade 會一併清掉場景資料庫、記憶、關係帳本等）。
  await prisma.character.deleteMany({ where: { id: { in: [A_ID, B_ID] } } });
  await prisma.work.deleteMany({ where: { id: WORK_ID } });
}