<?php
/**
 * @author Kalle Moodh
 * @copyright 2011
 * @project Hamsterpaj
 * @version 5.0
 */
class Hot_or_not_model extends HP_Model
{
    /**
     * Hot_or_not_model::contestants()
     *
     * @param str $unique_gender
     * @return array
     */
    function contestants($unique_gender = FALSE)
    {
        // Is there a cache set?
        $mash_pool = $this->memcached->get('mash_pool');
        if(IS_CRON || !$mash_pool) {

            // Get huge result set (2000 girls, 2000 boys, 4000 unknowns (might be able to use those later))
            $this->db->select('l.*, u.*, z.spot');
            $this->db->where('u.image !=', 0);
            $this->db->where('u.gender !=', 'u');
            $this->db->where('l.is_removed', 0);
            $this->db->join('userinfo u', 'l.id = u.userid');
            $this->db->join('zip_codes z', 'u.zip_code = z.zip_code');
            $q = $this->db->get('login l');
            $r = $q->result_array();

            $mash_pool = array();
            foreach($r as $k => $v) {

                $mash_pool[$v['gender']][] = array(
                    'id' => $v['id'],
                    'username' => $v['username'],
                    'birthday' => (string) date_get_age($v['birthday']),
                    'gender' => gender_readable($v['gender']),
                    'location' => ($v['spot']) ? 'från ' . $v['spot'] : ''
                );

            }

            // Cache the huge result set
            $this->memcached->set('mash_pool', $mash_pool);

        }

        // Shuffle away!

        shuffle($mash_pool['m']);
        shuffle($mash_pool['f']);

        // Throw out boys or girls or both
        if($unique_gender && in_array($unique_gender, array('m', 'f'))) {
            $final = $mash_pool[$unique_gender];
        } else {
            $l = array('m', 'f');
            $final = $mash_pool[$l[rand(0, 1)]];

        }

        // Pick two choices randomly
        $contestants = array($final[7], $final[23]);
        return $contestants;
    }