var express = require('express');
var router = express.Router();

var genders = require('../database/scores/genders');
var games = require('../database/scores/games');
var seasons = require('../database/scores/seasons');
var sports = require('../database/scores/sports');
var divisions = require('../database/scores/divisions');
var genders = require('../database/scores/genders');
var teams = require('../database/scores/teams');
var accounts = require('../database/accounts/accounts');

var checkLoginStatus = require('./checkLoginStatus');


router.get('/' ,checkLoginStatus.user, function(req, res, next) {
  if(req.user[2]) res.render('manage', { title: 'Management Panel', userLoggedIn: !!req.user });
  else res.render('manage/manage-nonadmin', { title: "My Games", userLoggedIn: !!req.user });
});

router.get('/game', checkLoginStatus.user, function(req, res, next) {
  let title = req.query.game ? 'Edit Game' : 'Submit Score'
  
  res.render('manage/addgame', { title, userLoggedIn: !!req.user, message: req.flash('error') });
});

router.post('/game', checkLoginStatus.user, async function(req, res, next) {
  const id = req.body['game'];
  const remove = req.body['remove'];

  try {
    const seasonID = req.body['year'];
    const sportID = req.body['sport'];
    const gender = (req.body['gender'] == "female") ? genders.FEMALE : genders.MALE;
    const divisionID = req.body['division'];
    const date = req.body['date'];
    const team1ID = req.body['team1'];
    const team1Score = req.body['team1-score'];
    const team2ID = req.body['team2'];
    const team2Score = req.body['team2-score'];
    const userID = req.user[0];
  
    const loggedInUserID = req.user[0];
    const loggedInUserIsAdmin = req.user[2];
  
    const game = id ? await games.getFromID(id) : null;

    if(!loggedInUserIsAdmin && game && loggedInUserID != game.submitterID) {
      res.status(403).send("ACCESS DENIED");
    }
    else if(remove) {
      await games.remove(id);
      res.redirect("/manage");
    }
    else if(id) {
      await games.edit(id, divisionID, seasonID, date, team1ID, team2ID, team1Score, team2Score);
      res.redirect('/manage');
    }
    else {
      await games.add(divisionID, seasonID, date, team1ID, team2ID, team1Score, team2Score, userID);
      res.redirect('/');
    }
  } catch(err) {
    console.error("ERROR: " + err.message);
    req.flash("error", "An error has occurred.");
    res.redirect('/manage/game' + (id ? `?game=${id}` : ''));
  }
});

router.get('/season', checkLoginStatus.admin, function(req, res, next) {
  res.render('manage/addseason', { title: 'Add Season', currentYear : (new Date()).getFullYear(), userLoggedIn: !!req.user, message: req.flash('error') });
});

router.post('/season', checkLoginStatus.admin, async function(req, res, next) {
  const seasonID = req.body['season'];
  const remove = req.body['remove'];
  
  try {
    const year = req.body['year'];

    if(remove) await seasons.remove(seasonID);
    else await seasons.add(year);

    res.redirect('/manage');
  } catch(err) {
    console.error("ERROR: " + err.message);
    req.flash("error", "An error has occurred.");
    res.redirect('/manage/season' + (seasonID ? `?season=${seasonID}` : ''));
  }
});

router.get('/sport', checkLoginStatus.admin, function(req, res, next) {
  let title = req.query.sport ? 'Edit Sport' : 'Add Sport';

  res.render('manage/addsport', { title, userLoggedIn: !!req.user, message: req.flash('error') });
});

router.post('/sport', checkLoginStatus.admin, async function(req, res, next) {
  const id = req.body['sport'];
  const remove = req.body['remove'];
  
  try {
    const name = req.body['name'];

    if(remove) await sports.remove(id);
    else if(id) await sports.rename(id, name);
    else await sports.add(name);
    
    res.redirect('/manage');
  } catch(err) {
    console.error("ERROR: " + err.message);
    req.flash("error", "An error has occurred.");
    res.redirect('/manage/sport' + (id ? `?sport=${id}` : ''));
  }
});

router.get('/division', checkLoginStatus.admin, function(req, res, next) {
  let title = req.query.division ? 'Edit Division' : 'Add Division'

  res.render('manage/adddivision', { title, userLoggedIn: !!req.user, message: req.flash('error') });
});

router.post('/division', checkLoginStatus.admin, async function(req, res, next) {
  const id = req.body['division'];
  const remove = req.body['remove'];
  
  try {
    const name = req.body['name'];
    const sport = req.body['sport'];
    const genderName = req.body['gender'];
   
    if(remove) await divisions.remove(id);
    else if(id) await divisions.rename(id, name);
    else {
      if(genderName == 'both') {
        await divisions.add(name, genders.FEMALE, sport);
        await divisions.add(name, genders.MALE, sport);
      } else {
        const gender = (genderName == "female") ? genders.FEMALE : genders.MALE;
        await divisions.add(name, gender, sport);
      }
    }
    res.redirect('/manage');
  } catch(err) {
    console.error("ERROR: " + err.message);
    req.flash("error", "An error has occurred.");
    res.redirect('/manage/division' + (id ? `?division=${id}` : ''));
  }
});

router.get('/team', checkLoginStatus.admin, function(req, res, next) {
  let title = req.query.team ? 'Edit Team' : 'Add Team'

  res.render('manage/addteam', { title, userLoggedIn: !!req.user, message: req.flash('error') });
});

router.post('/team', checkLoginStatus.admin, async function(req, res, next) {  
  const id = req.body['team'];
  const remove = req.body['remove'];

  try {
    const name = req.body['name'];
    const sport = req.body['sport'];
  
    if(remove) teams.remove(id).then(res.redirect('/manage'));
    else if(id) teams.rename(id, name).then(res.redirect('/manage'));
    else teams.add(name, sport).then(res.redirect("/manage"));  
  } catch(err) {
    console.error("ERROR: " + err.message);
    req.flash("error", "An error has occurred.");
    res.redirect('/manage/team' + (id ? `?team=${id}` : ''));
  }
});

router.get('/account', checkLoginStatus.user, (req, res, next) => {
  const userIsAdmin = req.user[2];
  const accountID = req.user[0];
  
  if(userIsAdmin) {
    let title = req.query.account ? 'Manage User' : 'Create User'

    res.render('accounts/createuser', { title, userLoggedIn: !!req.user, message: req.flash('error') });  
  }
  else {
    let title = 'Manage Account';

    res.render('accounts/createuser', { title, accountID, userLoggedIn: !!req.user, message: req.flash('error') });  
  }
});

router.post('/account', checkLoginStatus.user, async function(req, res, next) {
  const email = req.body.email;
  const password = req.body.password;

  const accountID = req.body.account;
  const remove = req.body.remove;

  const loggedInAccountIsAdmin = req.user[2];
  const loggedInAccountID = req.user[0];

  if(!loggedInAccountIsAdmin && accountID != loggedInAccountID) {
    res.status(403).send("ACCESS DENIED");
  }
  else {
    try {
      const isAdmin = loggedInAccountIsAdmin ? !!req.body.admin : false;

      if(remove) await accounts.remove(accountID);
      else if(accountID) await accounts.edit(accountID, email, password, isAdmin);
      else await accounts.create(req.body.email, req.body.password, !!req.body.admin);

      res.redirect('/manage');  
    }
    catch (err) {
      console.error("ERROR: " + err.message);
      req.flash("error", "An error has occurred.");
      let URL = '/manage/account';
      if(loggedInAccountIsAdmin && accountID) URL += `?account=${accountID}`;
      res.redirect(URL);
    }
  }
});

module.exports = router;