'use strict';

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

/* GET search results page. */
router.get('/', function(req, res) {
  req.query = req.query || {};
  let filtered = [];
  if (Object.keys(req.query).length > 0) {
    let
      q = req.query,
      cards = require('../lib/cards.json');
    q.search_in = (q.search_in || []);
    q.search_for = (q.search_for || '').trim().toLowerCase();
    q.pantheons = (q.pantheons || []);
    q.pantheons = Array.isArray(q.pantheons) ? q.pantheons : [q.pantheons];
    q.elements = (q.elements || []);
    q.elements = Array.isArray(q.elements) ? q.elements : [q.elements];
    q.types = (q.types || []);
    q.types = Array.isArray(q.types) ? q.types : [q.types];
    q.races = (q.races || []);
    q.races = Array.isArray(q.races) ? q.races : [q.races];
    q.releases = (q.releases || []);
    q.releases = Array.isArray(q.releases) ? q.releases : [q.releases];

    filtered = cards.filter(card => {

      if (q.search_in.length > 0 && q.search_for.trim() !== '') {
        if (!(
          (q.search_in.indexOf('name') > -1 && (card.name.toLowerCase().indexOf(q.search_for) > -1 || card.name_ang.indexOf(q.search_for) > -1)) ||
          (q.search_in.indexOf('ability') > -1 && (card.ability_name.toLowerCase().indexOf(q.search_for) > -1 || card.ability_text.toLowerCase().indexOf(q.search_for) > -1)))) {
            return false;
          }

      }

      if (q.pantheons.length > 0 && card.culture !== '') {
        let
          has_pantheon = false;
        for (let i=0; i < q.pantheons.length; i++) {
          if (card.culture_idx.indexOf(q.pantheons[i]) > -1) {
            has_pantheon = true;
          }
        }
        if (!has_pantheon) {
          return false;
        }
      }

      if (q.elements.length > 0) {
        let
          has_element = false;
        for (let i=0; i < q.elements.length; i++) {
          if (card.element_idx.indexOf(q.elements[i]) > -1) {
            has_element = true;
          }
        }
        if (!has_element) {
          return false;
        }
      }

      if (q.races.length > 0 && card.race !== '') {
        let
          has_race = false;
        for (let i=0; i < q.races.length; i++) {
          if (card.race_idx.indexOf(q.races[i]) > -1) {
            has_race = true;
          }
        }
        if (!has_race) {
          return false;
        }
      }

      if (q.types.length > 0) {
        let
          has_type = false;
        for (let i=0; i < q.types.length; i++) {
          if (card.type_idx.indexOf(q.types[i]) > -1) {
            has_type = true;
          }
        }
        if (!has_type) {
          return false;
        }
      }

      if (q.releases.length > 0) {
        let
          has_release = false;
        for (let i=0; i < q.releases.length; i++) {
          if (card.num.toLowerCase().indexOf(q.releases[i]) > -1) {
            has_release = true;
          }
        }
        if (!has_release) {
          return false;
        }
      }

      return true;
    });

  }

  res.render('search', { title: 'Search Results', query: req.query, cards: filtered });
});

module.exports = router;