let User = syzoj.model('user');
let Article = syzoj.model('article');
let Contest = syzoj.model('contest');
let Problem = syzoj.model('problem');
let Divine = require('syzoj-divine');
let TimeAgo = require('javascript-time-ago');
let zh = require('../libs/timeago');
TimeAgo.locale(zh);
const timeAgo = new TimeAgo('zh-CN');

app.get('/', async (req, res) => {
  try {
    let ranklist = await User.queryRange([1, syzoj.config.page.ranklist_index], { is_show: true }, {
      [syzoj.config.sorting.ranklist.field]: syzoj.config.sorting.ranklist.order
    });
    await ranklist.forEachAsync(async x => x.renderInformation());

    let notices = (await Article.find({
      where: { is_notice: true },
      order: { public_time: 'DESC' }
    })).map(article => ({
      title: article.title,
      url: syzoj.utils.makeUrl(['article', article.id]),
      date: syzoj.utils.formatDate(article.public_time, 'L')
    }));

    let fortune = null;
    if (res.locals.user) {
      fortune = Divine(res.locals.user.username, res.locals.user.sex);
    }

    let contests = await Contest.queryRange([1, 5], { is_public: true }, {
      start_time: 'DESC'
    });

    let problems = (await Problem.queryRange([1, 5], { is_public: true }, {
      publicize_time: 'DESC'
    })).map(problem => ({
      id: problem.id,
      title: problem.title,
      time: timeAgo.format(new Date(problem.publicize_time)),
    }));
    // 增加匿名用户名后用户的第一次登陆
    if (res.locals.user){
      const userQuery = await User.createQueryBuilder();
      const userId = res.locals.user.id;
      const userInfo = await userQuery.where("id = :id", { id:userId }).getOne();
      if (!userInfo.anonymous_name || userInfo.anonymous_name.length === 0){
        await userQuery.update(User).set({anonymous_name: require('randomstring').generate(6)}).where("id = :id", { id:userId }).execute();
      }
    }
    res.render('index', {
      ranklist: ranklist,
      notices: notices,
      fortune: fortune,
      contests: contests,
      problems: problems,
      links: syzoj.config.links
    });
  } catch (e) {
    syzoj.log(e);
    res.render('error', {
      err: e
    });
  }
});

app.get('/help', async (req, res) => {
  try {
    res.render('help');
  } catch (e) {
    syzoj.log(e);
    res.render('error', {
      err: e
    });
  }
});