<?php namespace Api\Lib\Platform;
use Dever;
class Field
{
    private $data = array();
    public $ssl;
    public function __construct($data)
    {
        $this->data = $data;
        $this->ssl = new Ssl($this);
        $this->set('time', time());
        $this->set('timestamp', \Dever\Helper\Secure::timestamp());
        $this->set('nonce', \Dever\Helper\Secure::nonce());
    }

    public function set($key, $value)
    {
        $this->data[$key] = $value;
    }

    public function __set($key, $value)
    {
        $this->data[$key] = $value;
    }

    public function __get($key)
    {
        if (array_key_exists($key, $this->data)) {
            return $this->data[$key];
        } else {
            return null;
        }
    }

    public function setHost($value)
    {
        $this->set('body', $value);
    }

    public function setUri($value)
    {
        $this->set('uri', $value);
    }

    public function setNotify($value)
    {
        $this->set('notify', $value);
    }

    public function setSign($value)
    {
        $this->set('sign', $value);
    }

    public function setMethod($value)
    {
        $this->set('method', $value);
    }

    public function setBody($value)
    {
        $this->set('body', $value);
    }

    public function setBodyJson($value)
    {
        $this->set('body_json', $value);
    }

    public function setHeader($value)
    {
        $this->set('header', $value);
    }

    public function setNumber($value)
    {
        $this->set('number', $value);
    }

    public function value($value, $type = -1, $state = true)
    {
        $value = trim($value);
        if ($this->data && isset($this->data[$value])) {
            $value = $this->data[$value];
        } elseif (strstr($value, 'key=') && strstr($value, '&')) {
            $value = $this->parse($value);
        } elseif ($a = strstr($value, '{') || strstr($value, '(')) {
            $value = $this->eval($value);
        }
        return $this->handle($type, $value, $state);
    }

    protected function parse($value)
    {
        parse_str($value, $temp);
        $k = $temp['key'];
        unset($temp['key']);
        if (isset($this->data[$k]) && isset($temp[$this->data[$k]])) {
            $value = $temp[$this->data[$k]];
        }
        return $value;
    }

    protected function eval($value)
    {
        $func = function ($r) {
            return $this->value($r[1]);
        };
        $value = preg_replace_callback('/{(.*?)}/', $func, $value);
        $value = '$value = '.$value.';';
        eval($value);
        return $value;
    }

    protected function handle($type, $value, $state)
    {
        # state == true 是编码 == false 是解码
        if ($type == -1) {
            $value = (string) $value;
        } elseif ($type == -2) {
            $value = (float) $value;
        } elseif ($type == -3) {
            if ($state) {
                $value = Dever::json_encode($value);
            } else {
                $value = Dever::json_decode($value);
            }
        } elseif ($type == -4) {
            if ($state) {
                $value = strtotime($value);
            } else {
                $value = date('Y-m-d H:i:s', $value);
            }
        } elseif ($type == -5) {
            if ($state) {
                $value = date('Y-m-d H:i:s', $value);
            } else {
                $value = strtotime($value);
            }
        } elseif ($type == -6) {
            if ($state) {
                $value = date('Y-m-d\TH:i:sP', $value);
            } else {
                $value = strtotime($value);
            }
        } else {
            if ($state) {
                $value = $this->ssl->encrypt($type, $value);
            } else {
                $value = $this->ssl->decrypt($type, $value);
            }
        }
        return $value;
    }
}