<?php
/**
 * CpController.php UTF-8
 * CP玩家校验
 *
 * @date    : 2018/10/13 17:52
 *
 * @license 这不是一个自由软件，未经授权不许任何使用和传播。
 * @author  : wuyonghong <wyh@huosdk.com>
 * @version : HuoMp 1.0
 */

namespace mini\sdk\controller;

use huo\controller\common\HuoSession;
use huo\controller\game\Game;
use huo\controller\member\Member;
use huolib\tool\SimpleSec;
use huomp\controller\member\MemberOut;
use huomp\model\game\GameMiniModel;
use think\Controller;

class CpController extends Controller {
    private $mg_mem_id;
    private $mem_id;
    private $app_id;
    private $user_token;
    private $sign;
    private $app_key;

    function _initialize() {
        parent::_initialize();
    }

    private function cpReturn($status = '0', $msg = '请求参数错误') {
        $_rdata = array(
            'status' => $status,
            'msg'    => $msg
        );
        echo json_encode($_rdata);
        exit;
    }

    /**
     * CP登陆用户验证
     * http://doc.1tsdk.com/138?page_id=2953
     * 【域名】/cp/user/check
     *
     */
    public function check() {
        /* 1 查询是否具有访问权限 */
        $_rs = $this->checkAuth();
        if (false == $_rs) {
            $this->cpReturn('100', '没有接口访问权限');
        }
        $_url_data = $this->request->param();
        $this->app_id = get_val($_url_data, 'app_id');
        $this->mg_mem_id = get_val($_url_data, 'mem_id');
        $this->user_token = get_val($_url_data, 'user_token');
        $this->sign = get_val($_url_data, 'sign');
        /* 0 检查参数 */
        $this->checkParam();
        /* 11 校验APPID */
        $this->checkAppid();
        /* 13 校验user_token */
        $this->getSession();
        /* 15 校验玩家 */
        $this->checkUser();
        /* 12 校验签名 */
        $this->verifySign();
        /* 16 检查访问次数 */
        $this->checkCnt();
        $this->cpReturn('1', '验证成功');
    }

    /**
     * @return bool
     */
    private function checkAppid() {
        $_app_key = (new Game())->getAppKey($this->app_id);
        if (empty($_app_key)) {
            $this->cpReturn('11', '游戏ID(app_id)错误');
        }
        $this->app_key = $_app_key;

        return true;
    }

    /**
     * @return bool
     */
    private function checkUser() {
        //$_mg_mem_id = (new HuoSession($this->mem_id, $this->app_id))->getMgMemId();
        $_mg_mem_id = (new MemberOut())->getMgMemId($this->app_id, $this->mem_id);
        if ($_mg_mem_id != $this->mg_mem_id) {
            $this->cpReturn('15', '玩家未登陆');
        }

        return true;
    }

    /**
     * 1 校验参数
     */
    private function checkParam() {
        if (empty($this->app_id) || $this->app_id < 0) {
            $this->cpReturn('0', '请求参数为空 app_id');
        }
        if (empty($this->mg_mem_id) || $this->mg_mem_id < 0) {
            $this->cpReturn('0', '请求参数为空  mem_id');
        }
        if (empty($this->user_token)) {
            $this->cpReturn('0', '请求参数为空  user_token');
        }
        if (empty($this->sign)) {
            $this->cpReturn('0', '请求参数为空  sign');
        }
    }

    /**
     * 校验权限
     *
     * @return bool
     */
    private function checkAuth() {
        // $this->cpReturn('100','没有接口访问权限');
        return true;
    }

    /**
     * 检查次数
     *
     * @return bool
     */
    private function checkCnt() {
        // $this->cpReturn('16','访问太频繁，超过访问次数');
        $_cnt = HuoSession::getCpCheckCnt($this->user_token);
        if (empty($_cnt)) {
            $_cnt = 0;
        }
        $_cnt++;
        HuoSession::setCpCheckCnt($this->user_token, $_cnt);

        return true;
    }

    /*12  校验签名 */
    private function verifySign() {
        $_signstr = "app_id=".$this->app_id."&mem_id=".$this->mg_mem_id."&user_token=".$this->user_token."&app_key="
                    .$this->app_key;
        $_verify_sign = md5($_signstr);
        if ($this->sign != $_verify_sign) {
            $this->cpReturn('12', '签名校验不通过');
        }

        return true;
    }

    /**
     * @return bool
     */
    private function getSession() {
        $_user_token = $this->user_token;
        if (empty($_user_token)) {
            $this->cpReturn('0', '请求参数为空  user_token');
        }
        $_session_id = Simplesec::decode($_user_token, config('CPAUTHCODE'));
        if (empty($_session_id)) {
            $this->cpReturn('13', 'user_token错误');
        }
        $_se_app_id = HuoSession::getAppId($_session_id);
        if ($_se_app_id != $this->app_id) {
            $this->cpReturn('11', '游戏ID(app_id)错误');
        }
        $_wx_id = (new GameMiniModel())->getMpIdByAppId($_se_app_id);
        $this->mem_id = (new Member())->getMemIdByToken($_session_id, $_wx_id);
        if (empty($this->mem_id)) {
            $this->cpReturn('13', 'user_token错误');
        }

        return true;
    }
}