<?php
namespace app\controller;

use app\BaseController;
use think\facade\Db;
use think\facade\Log;


//授权控制器
class Authorize extends BaseController
{
    protected $noNeedLogin = [];
    
    private $secretKey = 'E4skfomP*Pz4MOUm'; //用于计算签名的密钥key
    
    //绑定机器，需要购买游戏后绑定
    //签名:md5(machineCode+gameId+secretKey)
    public function bindMachine()
    {
        $machineCode = $this->request->post('machineCode');
        $gameId = $this->request->post('gameId');
        $sign = $this->request->post('sign');
        if (empty($machineCode) || !is_numeric($gameId) || empty($sign)) {
            $this->fail(500, '参数校验错误');
        }
        $comparedSign = md5($machineCode . $gameId . $this->secretKey);
        if ($sign != $comparedSign) {
            $this->fail(504, 'sign签名校验错误');
        }
        $user = $this->getUser();
        //判断gameId是否存在
        $game = Db::table('tb_game')
            ->where(['id' => $gameId])
            ->find();
        if (!$game) {
            $this->fail(502, 'gameId不存在');
        }
        //判断是否已经购买过此游戏
        $userGame = Db::table('tb_user_game')
            ->where(['user_id' => $user->user_id])
            ->where(['game_id' => $gameId])
            ->find();
        if (!$userGame) {
            $this->fail(503, '未购买过此游戏，无法绑定机器');
        }
        $gameMachine = Db::table('tb_game_machine')
            ->where(['game_id' => $gameId])
            ->where(['user_id' => $user->user_id])
            ->find();
        if ($gameMachine) {
            $this->fail(501, '已经绑定过此款类型游戏了');
        }
        Db::table('tb_game_machine')
            ->insert([
                'user_id'      => $user->user_id,
                'game_id'      => $gameId,
                'machine_code' => $machineCode,
                'created_at'   => time(),
                'expired_at'   => time() + 60 * 60 * 24 * 30 * 12 * 3,
            ]);
        //写绑定记录
        Db::table('tb_game_bind_record')
            ->insert([
                'user_id'      => $user->user_id,
                'game_id'      => $gameId,
                'machine_code' => $machineCode,
                'created_at'   => time(),
            ]);
        $this->success('success', null);
    }
    
    //验证机器码
    //签名:md5(machineCode+gameId+secretKey)
    public function verifyMachine()
    {
        $machineCode = $this->request->post('machineCode');
        $gameId = $this->request->post('gameId');
        $sign = $this->request->post('sign');
        if (empty($machineCode) || !is_numeric($gameId) || empty($sign)) {
            $this->fail(500, '参数校验错误');
        }
        $comparedSign = md5($machineCode . $gameId . $this->secretKey);
        if ($sign != $comparedSign) {
            $this->fail(503, 'sign签名校验错误');
        }
        $user = $this->getUser();
        $data = Db::table('tb_game_machine')
            ->where(['user_id'      => $user->user_id])
            ->where(['game_id'      => $gameId])
            ->where(['machine_code' => $machineCode])
            ->find();
        if (!$data) {
            $this->fail(501, '验证失败，没有机器绑定记录');
        }
        if ($data['expired_at'] < time()) {
            $this->fail(502, '验证失败，机器绑定已过期');
        }
        $this->success('success', null);
    }
}