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

const API_PORT = process.env.PORT_API ?? "3001";
const USER_ID = "seed-user-primary";
const GENKI_ID = "smoke-o-genki"; // 元氣：外顯度高
const COOL_ID = "smoke-o-cool"; // 三無：外顯度極低

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, archetype, intimacy, stage) {
  await post("/personality/characters", {
    id,
    source: "ORIGINAL",
    buildStatus: "BUILT",
    formalName: id,
    basicInfo: "測試角色",
    backgroundStory: "測試",
    personalityArchetype: archetype,
    likesDislikes: "測試",
    goalsObsessions: "測試",
    speechStyle: "第一人稱「我」",
    initialRelationship: { userId: USER_ID, intimacy, trust: intimacy },
  });
  if (stage) {
    await prisma.relationship.update({
      where: { characterId_userId: { characterId: id, userId: USER_ID } },
      data: { stage },
    });
  }
}

async function setEmotion(characterId, tag, value) {
  const dims = { calm: 0, joy: 0, sad: 0, alert: 0, shy: 0, grumpy: 0 };
  dims[tag.toLowerCase()] = value;
  await prisma.emotionState.update({ where: { characterId }, data: dims });
}

export default async function smokeO() {
  await prisma.character.deleteMany({ where: { id: { in: [GENKI_ID, COOL_ID] } } });
  await createCharacter(GENKI_ID, "元氣", 10, "STRANGER");
  await createCharacter(COOL_ID, "三無", 10, "STRANGER");

  // O-1 差分資產結構：manifest 應該能以佔位資產組出完整立繪需要的所有圖層。
  const manifest = await get(`/tachie/${GENKI_ID}/manifest`);
  if (manifest.bodyPoses.length < 3 || manifest.bodyPoses.length > 5) {
    throw new Error("身體姿勢差分數量應在 3~5 種之間");
  }
  if (manifest.costumes.length < 2) {
    throw new Error("服裝差分至少應有 2 套");
  }
  if (
    manifest.expressionParts.eyebrows.length === 0 ||
    manifest.expressionParts.eyes.length === 0 ||
    manifest.expressionParts.mouths.length === 0
  ) {
    throw new Error("表情差分（眉/眼/口）應該都有可用選項");
  }
  if (manifest.effects.length === 0 || manifest.microMotions.length < 2) {
    throw new Error("效果層與微動態（眨眼/呼吸）應該都有定義");
  }

  // M-1 服裝目錄若已登錄，manifest 應該優先採用那份目錄（而不是通用預設兩套）——立繪服裝層
  // 只能從目錄取用、不可自創，manifest 回傳的內容就是這條規則的具體體現。
  const work = await prisma.work.create({ data: { title: "服裝目錄測試作品" } });
  await post("/canon/illustrations", {
    workId: work.id,
    volume: 1,
    type: "BW_ILLUSTRATION",
    description: "測試插圖",
    costumeLabels: [{ characterId: GENKI_ID, label: "特殊活動服" }],
  });
  const manifestWithCatalog = await get(`/tachie/${GENKI_ID}/manifest`);
  if (!manifestWithCatalog.costumes.includes("特殊活動服") || manifestWithCatalog.costumes.length !== 1) {
    throw new Error("已登錄 M-1 服裝目錄時，manifest 應該優先採用那份目錄，而不是退回通用預設");
  }

  // O-4 情緒 → 表情對照：六狀態應該各自對應到不同的眉/眼/口/姿勢組合。
  const emotionTags = ["CALM", "JOY", "SAD", "ALERT", "SHY", "GRUMPY"];
  await prisma.relationship.update({
    where: { characterId_userId: { characterId: GENKI_ID, userId: USER_ID } },
    data: { stage: "BONDED", intimacy: 90 },
  });
  const templates = new Map();
  for (const tag of emotionTags) {
    await setEmotion(GENKI_ID, tag, 80);
    const expr = await get(`/tachie/${GENKI_ID}/${USER_ID}/expression`);
    if (expr.rawEmotionTag !== tag) {
      throw new Error(`情緒設為 ${tag} 時，表情解析應該反映相同的情緒`);
    }
    templates.set(tag, `${expr.eyebrow}/${expr.eye}/${expr.mouth}/${expr.pose}`);
  }
  if (new Set(templates.values()).size !== emotionTags.length) {
    throw new Error("六種情緒狀態應該各自對應到不同的表情差分組合");
  }

  // O-4 外顯度縮放：同樣的愉悅情緒，元氣角色的差分幅度應該遠大於三無角色。
  await prisma.relationship.update({
    where: { characterId_userId: { characterId: COOL_ID, userId: USER_ID } },
    data: { stage: "BONDED", intimacy: 90 },
  });
  await setEmotion(GENKI_ID, "JOY", 90);
  await setEmotion(COOL_ID, "JOY", 90);
  const genkiExpr = await get(`/tachie/${GENKI_ID}/${USER_ID}/expression`);
  const coolExpr = await get(`/tachie/${COOL_ID}/${USER_ID}/expression`);
  if (!(genkiExpr.magnitude > coolExpr.magnitude * 3)) {
    throw new Error(
      `外顯度低的角色差分幅度應該明顯小於元氣角色，實際為 元氣=${genkiExpr.magnitude} 三無=${coolExpr.magnitude}`,
    );
  }

  // O-3 親密度解鎖：低親密度時，稀有情緒差分（例如彆扭）不可用，應該降級為基本表情。
  await prisma.relationship.update({
    where: { characterId_userId: { characterId: GENKI_ID, userId: USER_ID } },
    data: { stage: "STRANGER", intimacy: 5 },
  });
  await setEmotion(GENKI_ID, "GRUMPY", 80);
  const lockedExpr = await get(`/tachie/${GENKI_ID}/${USER_ID}/expression`);
  if (!lockedExpr.lockedFallbackApplied || lockedExpr.emotionTag !== "CALM" || lockedExpr.rawEmotionTag !== "GRUMPY") {
    throw new Error("陌生階段時，彆扭表情應該被降級為基本表情，但情緒引擎的真實判定仍應可查（故意不一致）");
  }

  await prisma.relationship.update({
    where: { characterId_userId: { characterId: GENKI_ID, userId: USER_ID } },
    data: { stage: "CLOSE_AMBIGUOUS", intimacy: 65 },
  });
  const unlockedExpr = await get(`/tachie/${GENKI_ID}/${USER_ID}/expression`);
  if (unlockedExpr.lockedFallbackApplied || unlockedExpr.emotionTag !== "GRUMPY") {
    throw new Error("達到摯友階段後，彆扭表情應該被解鎖");
  }

  // O-3 哭臉列為最深層：即使情緒引擎判定深度低落，未達羈絆階段也不會出現哭臉特效。
  await setEmotion(GENKI_ID, "SAD", 90);
  const closeSad = await get(`/tachie/${GENKI_ID}/${USER_ID}/expression`);
  if (closeSad.usedCryingVariant) {
    throw new Error("哭臉是羈絆階段才解鎖的最深層差分，摯友階段不應該出現");
  }
  await prisma.relationship.update({
    where: { characterId_userId: { characterId: GENKI_ID, userId: USER_ID } },
    data: { stage: "BONDED", intimacy: 90 },
  });
  const bondedSad = await get(`/tachie/${GENKI_ID}/${USER_ID}/expression`);
  if (!bondedSad.usedCryingVariant || bondedSad.effect !== "淚") {
    throw new Error("羈絆階段的深度低落應該解鎖哭臉特效");
  }

  // O-2 視線方向：思考時視線飄上、迴避／害羞時視線撇開、警戒時直視。
  const thinkingGaze = await get(`/tachie/${GENKI_ID}/${USER_ID}/expression?isThinking=true`);
  if (thinkingGaze.gaze !== "UP") {
    throw new Error("思考時視線應該飄上");
  }
  const deflectingGaze = await get(`/tachie/${GENKI_ID}/${USER_ID}/expression?isDeflecting=true`);
  if (deflectingGaze.gaze !== "AWAY") {
    throw new Error("迴避時視線應該撇開");
  }
  await setEmotion(GENKI_ID, "ALERT", 80);
  const alertGaze = await get(`/tachie/${GENKI_ID}/${USER_ID}/expression`);
  if (alertGaze.gaze !== "DIRECT") {
    throw new Error("警戒時視線應該直視");
  }

  // O-2 表情早於文字：情緒引擎的更新（emotion.processInput）發生在文字生成之前，
  // 因此聊天訊息送出後，表情查詢應該已經反映這一輪的新情緒，不需要等文字回覆完成才更新。
  await prisma.relationship.update({
    where: { characterId_userId: { characterId: GENKI_ID, userId: USER_ID } },
    data: { stage: "BONDED", intimacy: 90 },
  });
  await setEmotion(GENKI_ID, "CALM", 100);
  const chatResult = await post(`/chat/${GENKI_ID}`, {
    userId: USER_ID,
    sessionId: "smoke-o-session",
    text: "謝謝你，我今天好開心！",
  });
  const exprAfterChat = await get(`/tachie/${GENKI_ID}/${USER_ID}/expression`);
  if (chatResult.context?.emotion.dominant !== "JOY" || exprAfterChat.emotionTag !== "JOY") {
    throw new Error("聊天訊息觸發的情緒轉變，應該同時反映在對話上下文與獨立查詢的表情狀態上");
  }

  // 清理本次測試建立的角色與作品（cascade 會一併清掉關係、情緒狀態、插圖索引等）。
  await prisma.character.deleteMany({ where: { id: { in: [GENKI_ID, COOL_ID] } } });
  await prisma.work.delete({ where: { id: work.id } });
}