<?php
/**
 * Toutiao.php UTF-8
 * 头条api
 *
 * @date    : 2018/6/21 14:29
 *
 * @license 这不是一个自由软件，未经授权不许任何使用和传播。
 * @author  : ouzhongfu <ozf@huosdk.com>
 * @version : HUOSDK 7.2
 */

namespace huolib\promotion;

use think\Db;
use think\Log;

class Toutiao {
    protected $platform_id = 4;  /*4为今日头条*/
    public    $toutiao_conf
                           = array(
            'toutiao_key' => '', /* 今日头条key */
        );

    /**
     * 自定义错误处理
     *
     * @param string $msg
     * @param string $level
     *
     */
    private function _error($msg, $level = 'error') {
        $_info = 'toutiao\Api Error:'.$msg;
        Log::record($_info, $level);
    }

    public function __construct() {
    }

    /**验证是否配置
     *
     * @param array $params
     *
     * @return bool
     */
    public function check($params = array()) {
        $_app_id = isset($params['app_id']) ? $params['app_id'] : 0;
        $_agent_id = isset($params['agent_id']) ? $params['agent_id'] : 0;
        if (empty($_app_id) || empty($_agent_id)) {
            return false;
        }
        $_map['app_id'] = $_app_id;
        $_map['agent_id'] = $_agent_id;
        /*投放平台验证*/
        $_check_platform = $this->checkPlatform($_app_id, $_agent_id);
        if (!$_check_platform) {
            return false;
        }
        $_toutiao_key = Db::name('promotion_detail')->where($_map)->value('toutiao_key');
        if (empty($_toutiao_key)) {
            return false;
        }
        $this->toutiao_conf['toutiao_key'] = $_toutiao_key;

        return true;
    }

    /**投放平台验证
     *
     * @param $app_id
     * @param $agent_id
     *
     * @return bool
     */
    public function checkPlatform($app_id, $agent_id) {
        $_map['app_id'] = $app_id;
        $_map['agent_id'] = $agent_id;
        $_plan_id = Db::name('promotion_detail')->where($_map)->value('promotion_plan_id');
        $_pp_map['id'] = $_plan_id;
        $_platform_id = Db::name('promotion_plan')->where($_pp_map)->value('platform_id');
        if ($this->platform_id == $_platform_id) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * 验证
     *
     * @param array $params
     * @param int   $type_id
     *
     * @return bool|int|string
     */
    public function varify($params = array(), $type_id = 0) {
        if (empty($params)) {
            \think\Log::write(array('头条记录：验证参数空', $params), 'error');

            return false;
        }
        //$_check_map["agent_id"] = $params['agent_id'];
        $_check_map["app_id"] = $params['app_id'];
        if (!empty($params['from']) && \huolib\promotion\Base::FROM_ANDROID == $params['from']) {
            $_check_map["imei"] = md5($params['device_id']);
        } else {
            $_check_map["idfa"] = $params['idfa'];
        }
        /*是否推广白名单*/
        $_is_while = $this->isWhile($params['from'], $params['device_id'], $params['idfa']);
        if ($_is_while) {
            $_check_map["is_test"] = 1;
        } else {
            $_check_map["is_test"] = 2;
        }
        $_check_data = DB::name('promotion_toutiao_user')->where($_check_map)->order("id desc")->find();
        if (empty($_check_data)) {
            \think\Log::write(array('头条记录：不是通过头条过来数据', $_check_map), 'error');

            return false;
        }
        if (2 == $_check_data['status'] && !$_is_while) {
            \think\Log::write(array('头条记录：设备已存在', $_check_map), 'error');

            return false;
        }
        $_base_url = $_check_data['callback_url'];
        $_check_url = $_base_url."&event_type=".$type_id;
        $_str = hash_hmac("sha1", $_check_url, $this->toutiao_conf['toutiao_key']);
        $_signature = $this->base64urlEncode($_str);
        $_vare_url = $_check_url."&signature=".$_signature;
        $_result = file_get_contents($_vare_url);
        $_result = json_decode($_result, true);
        if (0 == $_result["ret"]) {
            $_set_data['status'] = 2;
            $_set_data['update_time'] = time();
            $_rs = DB::name('promotion_toutiao_user')->where($_check_map)->update($_set_data);
            if ($_rs) {
                $_base_class = new \huolib\promotion\Base();

                return $_base_class->entDownLog($params['agent_id'], $params['app_id']);
            }
        } else {
            \think\Log::write(array('头条记录：回传信息ret不为0', $_result), 'error');

            return false;
        }
    }

    /**检查是否为调试设备
     *
     * @param     $from   来源 3为安卓，4为ios
     * @param     $device_id
     * @param     $idfa
     * @param int $is_md5 是否已经md5
     *
     * @return bool
     */
    public function isWhile($from, $device_id, $idfa, $is_md5 = false) {
        if (!empty($from) && \huolib\promotion\Base::FROM_ANDROID == $from) {
            if ($is_md5) {
                $_device_id = $device_id;
            } else {
                $_device_id = md5($device_id);
            }
        } else {
            $_device_id = $idfa;
        }
        $_map['platform_id'] = $this->platform_id;
        $_map['is_delete'] = 2;
        $_map['status'] = 2;
        $_lists = DB::name("promotion_whitelist")->where($_map)->column('device_id');
        if (!empty($_lists) && in_array($_device_id, $_lists)) {
            return true;
        } else {
            return false;
        }
    }

    public function base64urlEncode($data) {
        return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
    }

    /**
     * 激活
     *
     * @param array $params 请求参数
     *
     * @return bool
     */
    public function install($params = array()) {
        /*1 查看参数是否配置*/
        $_rs = $this->check($params);
        if (false === $_rs) {
            return false;
        }
        /*2 是否本地有记录及回调验证*/
        $_type = 0;  /*0为激活，1为注册，2为充值*/
        $_check = $this->varify($params, $_type);

        return $_check;
    }

    /**注册
     *
     * @param array $params
     *
     * @return bool
     */
    public function register($params = array()) {
        /*1 查看参数是否配置*/
        $_rs = $this->check($params);
        if (false === $_rs) {
            return false;
        }
        /*2 是否本地有记录及回调验证*/
        $_type = 1;  /*0为激活，1为注册，2为充值*/
        $_check = $this->varify($params, $_type);

        return $_check;
    }

    /**充值
     *
     * @param array $params
     *
     * @return bool
     */
    public function payment($params = array()) {
        /*1 查看参数是否配置*/
        $_rs = $this->check($params);
        if (false === $_rs) {
            return false;
        }
        /*2 是否本地有记录及回调验证*/
        $_type = 2;  /*0为激活，1为注册，2为充值*/
        $_check = $this->varify($params, $_type);

        return $_check;
    }
}