<?php

class AuthConsumer
{
    protected $base_url;
    protected $app_id;
    protected $app_key;
    protected $api_level;

    public function __construct(
        $base_url = 'https://apps.mpma.mp.br/auth',
        $app_id = 'UNKNOWN',
        $app_key = '',
        $api_level = 2
    )
    {
        $this->base_url = $base_url;
        $this->app_id = $app_id;
        $this->app_key = $app_key;
        $this->api_level = $api_level;
    }
    public function setApiBaseUrl($base_url)
    {
        $this->base_url = $base_url;
    }
    public function setAppId($app_id)
    {
        $this->app_id = $app_id;
    }
    public function setAppKey($app_key)
    {
        $this->app_key = $app_key;
    }
    public function setApiLevel($api_level)
    {
        $this->api_level = $api_level;
    }
    private function getOtp()
    {
        return sha1(date('YmdHis'));
    }
    private function getApiHash($url, $otp)
    {
        return sha1(
            $url
            . $this->app_key
            . $otp
        );
    }
    private function go($url, $post = '')
    {
        if (empty($post))
            $post = array();

        $otp = $this->getOtp();
        $api_hash = $this->getApiHash($url, $otp);
        $post['levelapi'] = $this->api_level;
        $post['idapi'] = $this->app_id;
        $post['otpapi'] = $otp;
        $post['authapi'] = $api_hash;

        $consumer = curl_init();
        curl_setopt($consumer, CURLOPT_URL, $this->base_url . $url);
        curl_setopt($consumer, CURLOPT_HEADER, 0);
        curl_setopt($consumer, CURLOPT_POST, 1); 
        curl_setopt($consumer, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($consumer, CURLOPT_POSTFIELDS, $post);
        curl_setopt($consumer, CURLOPT_SSL_VERIFYPEER, 0);
        $json = curl_exec($consumer); 

        if (curl_errno($consumer)) { 
            $response = '[AuthConsumer] Erro de acesso ao WebService: '
                . curl_error($consumer);
            curl_close($consumer); 
            return $response;
        }
        return $json;
    }
    public function servidorUid($uid)
    {
        $url = '/servidor/listar/uid/' . $uid;
        return $this->go($url);
    }
    public function servidorMatricula($matricula)
    {
        $url = '/servidor/listar/matricula/' . $matricula;
        return $this->go($url);
    }
    public function servidorSetor(array $setores)
    {
        $lista_setores = implode(',', $setores);
        $url = '/servidor/listar/setor/' . $lista_setores;
        return $this->go($url);
    }
    public function ausenciaMatricula($matricula, $data_inicial, $data_final)
    {
        $url = '/servidor/listar-ausencias-legais/'
            . $matricula . '/'
            . $data_inicial . '/'
            . $data_final;
        return $this->go($url);
    }
    public function autenticar($usuario, $senha)
    {
        $post = array(
            'password' => base64_encode($senha),
        );
        $url = '/servidor/autenticar/' . $usuario;
        return $this->go($url, $post);
    }
    public function setorNome($parte_nome)
    {
        $url = '/setor/listar/' . $parte_nome;
        return $this->go($url);
    }
    public function setor($codigos)
    {
        $lista_codigos = implode(',', $codigos);
        $url = '/setor/obter/' . $lista_codigos;
        return $this->go($url);
    }
}