// pages/LoginOrOutDetails/LoginOrOutDetails.js
const api = require('../../utils/api');
const store = require('../../utils/store');
const config = require('../../config/index');

const app = getApp();

/** 未填昵称时自动生成，与旧版行为一致：用户 + 8 位小写字母数字 */
function randomNickname() {
  const chars = 'abcdefghijklmnopqrstuvwxyz0123456789';
  let s = '';
  for (let i = 0; i < 8; i++) s += chars[Math.floor(Math.random() * chars.length)];
  return '用户' + s;
}

Page({
  data: {
    userInfo: { avatarUrl: '', nickName: '' },
    loginStatue: false,
    LoginTag: '一键登录',
  },

  onLoad() {
    app.ready().then(() => this.refresh());
  },

  onShow() {
    this.refresh();
  },

  refresh() {
    const user = store.getUser();
    const registered = !!(user && user.nickname);
    this.setData({
      loginStatue: registered,
      LoginTag: registered ? '退出登录' : '一键登录',
      userInfo: {
        avatarUrl: config.STATIC_BASE_URL + config.PLACEHOLDER.WECHAT,
        nickName: registered ? user.nickname : '',
      },
    });
  },

  onLoginBtnClick() {
    const nickname = this.data.userInfo.nickName || randomNickname();
    wx.showLoading({ title: '请稍候', mask: true });

    api
      .updateMe({ nickname: nickname })
      .then((user) => {
        store.setUser(user);
        wx.hideLoading();
        wx.showToast({ title: '成功', icon: 'success', mask: true, duration: 1500 });
        setTimeout(() => wx.switchTab({ url: '/pages/wode/wode' }), 1500);
      })
      .catch((err) => {
        wx.hideLoading();
        wx.showToast({ title: err.message || '登录失败', icon: 'none', mask: true });
      });
  },

  onlogout() {
    if (!this.data.loginStatue) return;
    wx.showModal({
      title: '提示',
      content: '确定退出登录吗？',
      confirmColor: '#ff0000',
      success: (res) => {
        if (!res.confirm) return;
        wx.showLoading({ title: '请稍候', mask: true });
        api.logout().then(() => {
          wx.hideLoading();
          wx.switchTab({ url: '/pages/wode/wode' });
        });
      },
    });
  },
});