<?php
namespace PHPAuth;

/**
 * PHPAuth Config class
 */
class Config
{
    protected $dbh;
    protected $config;
    protected $config_table = 'config';

    /**
     *
     * Config::__construct()
     *
     * @param \PDO $dbh
     * @param string $config_table
     */
    public function __construct(\PDO $dbh, $config_table = 'config')
    {
        $this->dbh = $dbh;

        if (func_num_args() > 1) {
            $this->config_table = $config_table;
        }

        $this->config = array();

        $query = $this->dbh->query("SELECT * FROM {$this->config_table}");
        $this->config = $query->fetchAll(\PDO::FETCH_KEY_PAIR);

        $this->setForgottenDefaults(); // Danger foreseen is half avoided.
    }

    /**
     * Config::__get()
     *
     * @param mixed $setting
     * @return string
     */
    public function __get($setting)
    {
        return $this->config[$setting];
    }

    /**
     * @return array
     */
    public function getAll()
    {
        return $this->config;
    }

    /**
     * Config::__set()
     *
     * @param mixed $setting
     * @param mixed $value
     * @return bool
     */
    public function __set($setting, $value)
    {
        $query = $this->dbh->prepare("UPDATE {$this->config_table} SET value = ? WHERE setting = ?");

        if ($query->execute(array($value, $setting))) {
            $this->config[$setting] = $value;

            return true;
        }

        return false;
    }

    /**
     * Config::override()
     *
     * @param mixed $setting
     * @param mixed $value
     * @return bool
     */
    public function override($setting, $value)
    {
        $this->config[$setting] = $value;

        return true;
    }

    /**
     * Danger foreseen is half avoided.
     *
     * Set default values.
     * REQUIRED FOR USERS THAT DOES NOT UPDATE THEIR `config` TABLES.
     */
    protected function setForgottenDefaults()
    {
        // verify* values.

        if (!isset($this->config['verify_password_min_length'])) {
            $this->config['verify_password_min_length'] = 3;
        }

        if (!isset($this->config['verify_password_max_length'])) {
            $this->config['verify_password_max_length'] = 150;
        }

        if (!isset($this->config['verify_password_strong_requirements'])) {
            $this->config['verify_password_strong_requirements'] = 1;
        }

        if (!isset($this->config['verify_email_min_length'])) {
            $this->config['verify_email_min_length'] = 5;
        }

        if (!isset($this->config['verify_email_max_length'])) {
            $this->config['verify_email_max_length'] = 100;
        }

        if (!isset($this->config['verify_email_use_banlist'])) {
            $this->config['verify_email_use_banlist'] = 1;
        }

        // emailmessage* values

        if (!isset($this->config['emailmessage_suppress_activation'])) {
            $this->config['emailmessage_suppress_activation'] = 0;
        }

        if (!isset($this->config['emailmessage_suppress_reset'])) {
            $this->config['emailmessage_suppress_reset'] = 0;
        }
		
		if (!isset($this->config['mail_charset'])) {
            $this->config['mail_charset'] = "UTF-8";
        }
	}
	

}