client/storage.js

// 本地部署版本的存储封装：通过 fetch 调用本机 Express 服务的 API，
// 数据最终落盘到 server/data.json。接口形态与 Claude artifacts 的
// window.storage 保持一致（get 返回 {key, value}，不存在时 reject），
// 这样上层业务代码（App.jsx）几乎不需要改动。

const API_BASE = '/api/storage';

export async function storageGet(key) {
  const res = await fetch(`${API_BASE}/${encodeURIComponent(key)}`);
  if (res.status === 404) {
    throw new Error(`key not found: ${key}`);
  }
  if (!res.ok) {
    throw new Error(`storage get failed: ${res.status}`);
  }
  const data = await res.json();
  return { key, value: data.value };
}

export async function storageSet(key, value) {
  const res = await fetch(`${API_BASE}/${encodeURIComponent(key)}`, {
    method: 'PUT',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ value }),
  });
  if (!res.ok) {
    throw new Error(`storage set failed: ${res.status}`);
  }
  return res.json();
}

// 上传一个与客户相关的沟通附件（文件本身存到磁盘，元数据由调用方存进客户记录）
export async function uploadFile(customerId, file) {
  const fd = new FormData();
  fd.append('file', file);
  const res = await fetch(`/api/uploads/${encodeURIComponent(customerId)}`, {
    method: 'POST',
    body: fd,
  });
  if (!res.ok) {
    throw new Error(`upload failed: ${res.status}`);
  }
  return res.json();
}

export async function deleteFile(customerId, fileName) {
  const res = await fetch(`/api/uploads/${encodeURIComponent(customerId)}/${encodeURIComponent(fileName)}`, {
    method: 'DELETE',
  });
  if (!res.ok) {
    throw new Error(`delete failed: ${res.status}`);
  }
  return res.json();
}

export async function authCheck() {
  const res = await fetch('/api/auth/check');
  return res.json();
}

export async function authLogin(username, password) {
  const res = await fetch('/api/auth/login', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ username, password }),
  });
  const data = await res.json().catch(() => ({}));
  if (!res.ok) throw new Error(data.error || 'login failed');
  return data;
}

export async function authLogout() {
  const res = await fetch('/api/auth/logout', { method: 'POST' });
  return res.json().catch(() => ({}));
}

export async function authChangePassword(currentPassword, newPassword) {
  const res = await fetch('/api/auth/change-password', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ currentPassword, newPassword }),
  });
  const data = await res.json().catch(() => ({}));
  if (!res.ok) throw new Error(data.error || 'change password failed');
  return data;
}

export async function getAiConfig() {
  const res = await fetch('/api/ai-config');
  return res.json().catch(() => ({ hasKey: false }));
}

export async function saveAiConfig(apiKey) {
  const res = await fetch('/api/ai-config', {
    method: 'PUT',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ apiKey }),
  });
  const data = await res.json().catch(() => ({}));
  if (!res.ok) throw new Error(data.error || 'save failed');
  return data;
}

export async function deleteAiConfig() {
  const res = await fetch('/api/ai-config', { method: 'DELETE' });
  return res.json().catch(() => ({}));
}

export async function testAiConfig() {
  const res = await fetch('/api/ai-config/test', { method: 'POST' });
  const data = await res.json().catch(() => ({}));
  if (!res.ok) throw new Error(data.error || 'test failed');
  return data;
}

export async function generateAiDraft(customerId, channel) {
  const res = await fetch('/api/ai/draft', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ customerId, channel }),
  });
  const data = await res.json().catch(() => ({}));
  if (!res.ok) throw new Error(data.error || 'generate failed');
  return data;
}

// 批量上传PDF/图片形式的产品目录，后端OCR识别+DeepSeek解析后返回结构化的产品数组。
// hints可选：{ category, brand, type }，提前告诉后端这批产品大概是什么类目/品牌/品类，
// 减少AI瞎猜的情况，也能省一点点解析时间。
export async function parseCatalogFiles(files, hints) {
  const fd = new FormData();
  Array.from(files).forEach((f) => fd.append('files', f));
  if (hints) {
    if (hints.category) fd.append('hintCategory', hints.category);
    if (hints.brand) fd.append('hintBrand', hints.brand);
    if (hints.type) fd.append('hintType', hints.type);
  }
  const res = await fetch('/api/ai/parse-catalog', {
    method: 'POST',
    body: fd,
  });
  let data;
  try {
    data = await res.json();
  } catch (e) {
    // 响应体不是合法JSON——常见原因：Nginx因为文件太大/请求超时直接拦截返回了HTML错误页，
    // 请求根本没到达Node服务。把HTTP状态码带出来，方便定位是不是这个原因。
    throw new Error(`parse failed (HTTP ${res.status}，响应内容不是JSON，可能是Nginx上传大小/超时限制拦截了请求)`);
  }
  if (!res.ok) throw new Error(data.error || `parse failed (HTTP ${res.status})`);
  return data; // { products, ocrTextLength }
}

// 把一批中文词汇翻译成目标语言（en/fr/ru/es/ar），返回 {原词: 译文} 的映射。
// 词条缓存由调用方（App.jsx）自己管理，这里只负责翻译本身。
export async function translateTerms(terms, targetLang) {
  const res = await fetch('/api/ai/translate-terms', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ terms, targetLang }),
  });
  const data = await res.json().catch(() => ({}));
  if (!res.ok) throw new Error(data.error || 'translate failed');
  return data.translations;
}

/* ------------------------------ Telegram config ---------------------------- */

export async function getTelegramConfig() {
  const res = await fetch('/api/telegram-config');
  return res.json().catch(() => ({ hasToken: false, chatId: '' }));
}

export async function saveTelegramConfig(botToken, chatId) {
  const res = await fetch('/api/telegram-config', {
    method: 'PUT',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ botToken, chatId }),
  });
  const data = await res.json().catch(() => ({}));
  if (!res.ok) throw new Error(data.error || 'save failed');
  return data;
}

export async function deleteTelegramConfig() {
  const res = await fetch('/api/telegram-config', { method: 'DELETE' });
  return res.json().catch(() => ({}));
}

export async function testTelegramConfig() {
  const res = await fetch('/api/telegram-config/test', { method: 'POST' });
  const data = await res.json().catch(() => ({}));
  if (!res.ok) throw new Error(data.error || 'test failed');
  return data;
}

/* --------------------------------- JMS api --------------------------------- */

// 对单条线路立即做一次连通性检测（SS/VMess/VLESS Reality走TCP测试，VLESS-CDN走HTTP状态码+真实WS握手）
export async function checkJmsLine(line) {
  const res = await fetch('/api/jms/check-line', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ line }),
  });
  const data = await res.json().catch(() => ({}));
  if (!res.ok) throw new Error(data.error || 'check failed');
  return data; // { status: 'normal' | 'abnormal', checkedAt }
}