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

const API_PORT = process.env.PORT_API ?? "3001";
const USER_ID = "seed-user-primary";
const GENKI_ID = "smoke-k-genki";
const TSUNDERE_ID = "smoke-k-tsundere";
const COOL_ID = "smoke-k-cool";

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 ?? {}),
  });
  if (!res.ok) {
    throw new Error(`POST ${path} 回傳 ${res.status}：${await res.text()}`);
  }
  return res.json();
}

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();
}

async function createCharacter(id, formalName, archetype, likesDislikes, intimacy) {
  await post("/personality/characters", {
    id,
    source: "ORIGINAL",
    buildStatus: "BUILT",
    formalName,
    basicInfo: `${formalName}，測試角色`,
    backgroundStory: "測試用背景",
    personalityArchetype: archetype,
    likesDislikes,
    goalsObsessions: "測試",
    speechStyle: "第一人稱「我」",
    initialRelationship: { userId: USER_ID, intimacy, trust: intimacy },
  });
}

export default async function smokeK() {
  await prisma.character.deleteMany({ where: { id: { in: [GENKI_ID, TSUNDERE_ID, COOL_ID] } } });
  await createCharacter(GENKI_ID, "小元", "元氣", "喜歡：運動、音樂；討厭：早起", 70);
  await createCharacter(TSUNDERE_ID, "小傲", "傲嬌", "喜歡：貓；討厭：被嘲笑", 50);
  await createCharacter(COOL_ID, "小冷", "三無", "喜歡：安靜；討厭：吵鬧", 50);

  // K-1 在場者模型：群聊 session 內每個角色都能取得完整在場名單。
  const room = await post("/room", { userId: USER_ID, characterIds: [GENKI_ID, TSUNDERE_ID, COOL_ID], mode: "GROUP" });
  const roomDetail = await get(`/room/${room.id}`);
  const roster = new Set(roomDetail.participants);
  if (!roster.has(GENKI_ID) || !roster.has(TSUNDERE_ID) || !roster.has(COOL_ID) || roster.size !== 3) {
    throw new Error(`在場名單應包含所有三個角色，實際為 ${JSON.stringify(roomDetail.participants)}`);
  }

  // K-4 發言權分配：不點名的閒聊，只有基線最高的元氣角色會主動開口，其他角色保持沉默。
  const genericRoom = await post("/room", { userId: USER_ID, characterIds: [GENKI_ID, TSUNDERE_ID, COOL_ID], mode: "GROUP" });
  const genericReply = await post(`/room/${genericRoom.id}/message`, {
    userId: USER_ID,
    userLabel: "小明",
    text: "今天大家過得怎麼樣？",
  });
  const genericSpeakerIds = genericReply.speakers.map((s) => s.characterId);
  if (!genericSpeakerIds.includes(GENKI_ID)) {
    throw new Error("元氣角色基線高，不點名的閒聊也應該主動開口");
  }
  if (genericSpeakerIds.includes(COOL_ID)) {
    throw new Error("三無角色基線極低，不點名不該主動開口");
  }

  // 被點名（提及正式名）幾乎必回，且衝動值應該是本輪最高。
  const namedRoom = await post("/room", { userId: USER_ID, characterIds: [GENKI_ID, TSUNDERE_ID, COOL_ID], mode: "GROUP" });
  const namedReply = await post(`/room/${namedRoom.id}/message`, {
    userId: USER_ID,
    userLabel: "小明",
    text: "小冷，你今天有出去玩嗎？",
  });
  const coolSpeaker = namedReply.speakers.find((s) => s.characterId === COOL_ID);
  if (!coolSpeaker) {
    throw new Error("被明確點名時，該角色應該回應");
  }
  const maxScore = Math.max(...namedReply.speakers.map((s) => s.score));
  if (coolSpeaker.score !== maxScore) {
    throw new Error("被點名的角色本輪衝動值應該是最高的");
  }

  // 話題相關度：提到「貓」應該提升喜歡貓的傲嬌角色的發言衝動。
  const topicRoom = await post("/room", { userId: USER_ID, characterIds: [GENKI_ID, TSUNDERE_ID, COOL_ID], mode: "GROUP" });
  const topicReply = await post(`/room/${topicRoom.id}/message`, {
    userId: USER_ID,
    userLabel: "小明",
    text: "我今天在路上看到一隻好可愛的貓",
  });
  if (!topicReply.speakers.some((s) => s.characterId === TSUNDERE_ID)) {
    throw new Error("話題與角色喜好相關時，應該提升其發言衝動並促使發言");
  }

  // K-2 群聊行為變化：同角色、同輸入，在一對一與群聊應輸出不同（群聊更矜持，命中不同親密度分層的模板）。
  const oneOnOneReply = await post(`/chat/${GENKI_ID}`, {
    userId: USER_ID,
    sessionId: "smoke-k-11-session",
    text: "今天過得如何呀",
  });
  const groupIntimacyRoom = await post("/room", { userId: USER_ID, characterIds: [GENKI_ID], mode: "GROUP" });
  const groupReply = await post(`/room/${groupIntimacyRoom.id}/message`, {
    userId: USER_ID,
    userLabel: "小明",
    text: "今天過得如何呀",
  });
  if (oneOnOneReply.text === groupReply.speakers[0].text) {
    throw new Error("同角色同情境在一對一與群聊應該輸出不同（群聊應更矜持）");
  }

  // K-3 隱私邊界：標記為私密的記憶，群聊情境（excludePrivate）不應被檢索到；一般情境仍可檢索。
  await prisma.episodicMemory.create({
    data: {
      characterId: GENKI_ID,
      content: "使用者偷偷告訴我他其實很怕黑",
      occurredAt: new Date(),
      emotionTag: "CALM",
      emotionIntensity: 0.5,
      source: "INTERACTION",
      isPrivate: true,
      relatedUserId: USER_ID,
    },
  });
  const privateIncluded = await get(`/memory/${GENKI_ID}/retrieve?query=${encodeURIComponent("怕黑")}`);
  if (!privateIncluded.results.some((m) => m.content.includes("怕黑"))) {
    throw new Error("一般情境（未排除私密）應該能檢索到私密記憶");
  }
  const privateExcluded = await get(`/memory/${GENKI_ID}/retrieve?query=${encodeURIComponent("怕黑")}&excludePrivate=true`);
  if (privateExcluded.results.some((m) => m.content.includes("怕黑"))) {
    throw new Error("群聊情境（excludePrivate=true）不應該檢索到私密記憶");
  }
  // 口風不緊（天然呆）是性格設定上的例外，資料層需標記這個豁免旗標。
  const naturalArchetype = await get("/personality/archetypes/天然呆");
  if (!naturalArchetype.traits.includes("loose-lipped")) {
    throw new Error("天然呆原型應標記 loose-lipped，作為隱私邊界的性格設定例外");
  }

  // K-5 群聊記憶投影：同一場對話，被點名／被虧的那位應該記得比較牢（權重較高），旁觀者權重較低但仍留下記錄。
  const projectionRoom = await post("/room", { userId: USER_ID, characterIds: [GENKI_ID, COOL_ID], mode: "GROUP" });
  await post(`/room/${projectionRoom.id}/message`, {
    userId: USER_ID,
    userLabel: "小明",
    text: "哈哈笨蛋小元你今天怎麼那麼笨啊",
  });
  await post(`/room/${projectionRoom.id}/end`, {});
  const genkiMemory = await prisma.episodicMemory.findFirst({
    where: { characterId: GENKI_ID, content: { contains: "笨蛋" } },
  });
  const coolMemory = await prisma.episodicMemory.findFirst({
    where: { characterId: COOL_ID, content: { contains: "笨蛋" } },
  });
  if (!genkiMemory || !coolMemory) {
    throw new Error("群聊結束固化後，雙方都應該留下這場對話的記憶");
  }
  if (!(genkiMemory.weight > coolMemory.weight)) {
    throw new Error("被虧的那位（小元）記憶權重應該高於旁觀者（小冷）");
  }

  // K-6 角色自聊：話題種子驅動、發言權機制沿用、空轉偵測與輪數上限確保一定會收斂（不會無限跑下去）。
  const selfChatRoom = await post("/room", {
    userId: USER_ID,
    characterIds: [GENKI_ID, TSUNDERE_ID, COOL_ID],
    mode: "SELF_CHAT",
    topicSeed: "昨天放學路上的事",
  });
  let ended = false;
  let turns = 0;
  const SAFETY_CAP = 30; // 遠大於 SELF_CHAT_MAX_TURNS，純粹防止測試本身無限迴圈
  for (let i = 0; i < SAFETY_CAP && !ended; i++) {
    const result = await post(`/room/${selfChatRoom.id}/self-chat/advance`, {});
    if (result.ended) {
      ended = true;
    } else {
      turns += 1;
    }
  }
  if (!ended) {
    throw new Error("角色自聊必須在有限輪數內收斂結束，不應該無限進行下去");
  }
  if (turns === 0) {
    throw new Error("角色自聊應該至少產生過一輪對話");
  }

  // 使用者插話即切換為群聊模式。
  const interjectRoom = await post("/room", {
    userId: USER_ID,
    characterIds: [GENKI_ID, TSUNDERE_ID],
    mode: "SELF_CHAT",
    topicSeed: "測試話題",
  });
  await post(`/room/${interjectRoom.id}/self-chat/advance`, {});
  const beforeInterject = await get(`/room/${interjectRoom.id}`);
  if (beforeInterject.mode !== "SELF_CHAT") {
    throw new Error("插話前應仍為角色自聊模式");
  }
  await post(`/room/${interjectRoom.id}/interject`, { userId: USER_ID, userLabel: "小明", text: "我插句話！" });
  const afterInterject = await get(`/room/${interjectRoom.id}`);
  if (afterInterject.mode !== "GROUP") {
    throw new Error("使用者插話後應該切換為群聊模式");
  }

  // 清理本次測試建立的角色（cascade 會一併清掉關係、記憶等）。
  await prisma.character.deleteMany({ where: { id: { in: [GENKI_ID, TSUNDERE_ID, COOL_ID] } } });
}