const app = getApp();

const request = (url, method = 'GET', data = {}) => {
  return new Promise((resolve, reject) => {
    const header = {
      'Content-Type': 'application/json',
      ...app.getAuthHeader(),
    };

    wx.request({
      url: `${app.globalData.baseUrl}${url}`,
      method,
      data,
      header,
      success: (res) => {
        if (res.statusCode === 200) {
          resolve(res.data);
        } else if (res.statusCode === 401) {
          app.clearToken();
          wx.redirectTo({ url: '/pages/login/login' });
          reject(new Error('Unauthorized'));
        } else {
          reject(new Error(res.data?.detail || 'Request failed'));
        }
      },
      fail: (err) => {
        reject(err);
      },
    });
  });
};

export const authApi = {
  login: (phone, password) => request('/auth/login', 'POST', { username: phone, password }),
  register: (phone, password, username) => request('/auth/register', 'POST', { phone, password, username }),
  getUserInfo: () => request('/auth/me'),
};

export const translateApi = {
  translate: (text, targetLang, sourceLang = 'auto') =>
    request('/translate', 'POST', { text, target_lang: targetLang, source_lang: sourceLang }),
  getReply: (inquiry, tone = 'professional', count = 3) =>
    request('/translate/reply', 'POST', { inquiry, tone, count }),
  extract: (text, type = 'auto') =>
    request('/translate/extract', 'POST', { text, extract_type: type }),
};

export const customerApi = {
  list: (page = 1, size = 20, status) => {
    const params = new URLSearchParams({ page, size });
    if (status) params.append('status', status);
    return request(`/customers?${params.toString()}`);
  },
  get: (id) => request(`/customers/${id}`),
  create: (data) => request('/customers', 'POST', data),
  update: (id, data) => request(`/customers/${id}`, 'PATCH', data),
  delete: (id) => request(`/customers/${id}`, 'DELETE'),
  getSilent: (days = 3) => request(`/customers/silent?days=${days}`),
  getConversation: (id, page = 1, size = 50) =>
    request(`/customers/${id}/conversation?page=${page}&size=${size}`),
};

export const marketingApi = {
  generate: (productName, description, category, target = 'US importers', style = 'professional') =>
    request('/marketing/generate', 'POST', {
      product_name: productName,
      description,
      category,
      target,
      style,
    }),
  getKeywords: (productName, description, category) =>
    request('/marketing/keywords', 'POST', {
      product_name: productName,
      description,
      category,
    }),
  analyzeCompetitors: (productName, description, category, market = 'US') =>
    request('/marketing/competitor-analysis', 'POST', {
      product_name: productName,
      description,
      category,
      market,
    }),
};

export const quotationApi = {
  list: (page = 1, size = 20) => request(`/quotations?page=${page}&size=${size}`),
  get: (id) => request(`/quotations/${id}`),
  create: (data) => request('/quotations', 'POST', data),
  updateStatus: (id, status) => request(`/quotations/${id}/status`, 'PATCH', { status }),
};

export const whatsappApi = {
  send: (to, text) => request('/whatsapp/send', 'POST', { to, text }),
};