<?php
/**
 * 对接桃牛接口
 * @author: lyh
 * @date: 2019/4/3
 */

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Modes\AdverAlarm;
use App\Modes\AdverDeductLog;
use App\Modes\Advertising;
use App\Modes\AdverVisit;
use App\Modes\Area;
use App\Modes\Config;
use App\Modes\Industry;
use Carbon\Carbon;
use Illuminate\Http\Request;

class TaoniuController extends Controller
{
    /**
     * 桃牛获取广告接口
     * @author lyh
     * @date 2019/4/3
     * @description
     * 要求：筛选条件包括：关键字、地区、行业、数量
     * @todo 待定
     */
    public function adver(Request $request)
    {
        $validator = \Validator::make($param = $request->all(), [
            'keyword' => 'min:1', // 查询-关键字
            'industry' => 'exists:industry,content', // 查询-行业
            'province' => 'exists:area,name', // 查询-省
            'city' => 'exists:area,name', // 查询-市
            'district' => 'exists:area,name', // 查询-区
            'num' => 'required|integer', //查询-提取广告数量
            'shop_master_id' => 'required|integer',// 防作弊-主商家id
            //'shop_slave_id' => 'required|integer',//防作弊-子商家id、
            //'user_industry' => 'required|exists:industry,content', // 防作弊-当前登录用户的所在的行业
            //'uid' => 'required|integer', //防作弊-用户id
            'ip' => 'required|ipv4', // 防作弊-ip
            'is_free' => 'required|integer|between:0,1', //防作弊 0-扣费 1-免费
            'type' => 'required|integer|between:1,2' // 防作弊-1-点击、2-浏览、3-展现
        ]);
        if ($validator->fails()) {
            return showJsonErr($validator->errors()->first());
        }
        $adver = Advertising::select(['id', 'scene', 'title', 'image', 'scene', 'image_group', 'content', 'redirect'])
            ->where('residue_num', '>=', 1)
            ->where('status', 3)
            ->limit($param['num'])
            ->orderBy(\DB::raw('rand()')); // @TODO 随机待优化

        // 关键字查询
        if (!empty($param['keyword'])) {
            $adver->where('title', 'like', "%{$param['keyword']}%");
        }

        // 行业查询
        if (!empty($param['industry'])) {
            $adver->where('industry', Industry::whereContent($param['industry'])->select('id')->first()->id);
        }

        // 省级查询
        if (!empty($param['province'])) {
            $adver->where('province', Area::whereName($param['province'])->select(['id'])->first()->id);
        }

        // 地级市查询
        if (!empty($param['city'])) {
            $adver->where('city', Area::whereName($param['city'])->select(['id'])->first()->id);
        }

        // 县区查询
        if (!empty($param['district'])) {
            $adver->where('district', Area::whereName($param['district'])->select(['id'])->first()->id);
        }

        $res = $adver->get();

        if (empty($res)) {
            return showJsonErr(1012);
        }

        $param['adver'] = collect($res)->pluck('id');
        $param['ip'] = $request->ip();

        if (!empty($param['shop_slave_id'])) {

        }
        $param['shop_id'] = $param['shop_master_id'] . '-' . $param['shop_slave_id'];

        // 保存广告获取日志
        AdverVisit::insertGetId($param);
        $remark = [];
        if ($res->isNotEmpty() && $param['is_free'] == 0) {
            foreach ($res as $ad) {
                $param['adver_id'] = $ad->id;

                // 扣费
                $remark = $this->deduction($param);
            }
        }

        return showJsonSucc(1001, ['data' => $res, 'remark' => $remark]);
    }

    /**
     * 广告扣费
     * @author lyh
     * @date 2019/4/3
     * @description
     * 要求：支持批量
     * 预计要做的防作弊规则是这样：
     * 1. 根据同用户点击同一个商家，某个时间段M内，最多只能N次生效
     * 2. 根据同IP点击同一个商家，某个时间段M内，最多只能N次生效
     * 3. 根据同一个用户，点击同一个行业的某个商家，某个时间段M内，最多只能N次生效
     * 4. 根据同一个IP，点击同一个行业的某个商家，某个时间段M内，最多只能N次生效
     *
     */
    public function adverDeduction(Request $request)
    {
        $validator = \Validator::make($param = $request->all(), [
            'uid' => 'required|integer',
            'shopId' => 'required|integer',
            'ip' => 'required',
            'industry' => 'required|exists:industry,content',
            'adver_id' => 'required|exists:advertising,id',
            'is_free' => 'required|integer|between:0,1', // 0-扣费 1-免费
            'type' => 'required|integer|between:1,3' // 1-点击、2-浏览、3-展现
        ]);
        if ($validator->fails()) {
            return showJsonErr($validator->errors()->first());
        }

        $param['industry'] = Industry::whereContent($param['industry'])->first()->id;

        // 请求记录
        AdverDeductLog::insertGetId([
            'uid' => $param['uid'],
            'shop_id' => $param['shopId'],
            'ip' => $param['ip'],
            'industry' => $param['industry'],
            'adver_id' => $param['adver_id'],
            'is_free' => $param['is_free'],
            'type' => $param['type']
        ]);

        // 对广告统计
        switch ($param['type']) {
            case 1:
                Advertising::whereId($param['adver_id'])->increment('click_num');
                break;
            case 2:
                Advertising::whereId($param['adver_id'])->increment('browse_num');
                break;
            case 3:
                Advertising::whereId($param['adver_id'])->increment('show_num');
                break;
            default;
        }

        $remark = [];

        if ($param['is_free'] == 0) {
            /**********根据同用户点击同一个商家，某个时间段M内，最多只能N次生效**********/
            $where = [['adver_id', '=', $param['adver_id']], ['uid', ' = ', $param['uid']], ['shop_id', ' = ', $param['shopId']]];
            $re = $this->checkCache($adver_id = $param['adver_id'], $keyStart = 'user', $keyEnd = 'shoper', $paramStart = $param['uid'], $paramEnd = $param['shopId'], $where);
            if (is_string($re)) {
                $remark[] = $re;
            }

            /**********根据同IP点击同一个商家，某个时间段M内，最多只能N次生效**********/
            $where = [['adver_id', ' = ', $param['adver_id']], ['ip', ' = ', $param['ip']], ['shop_id', ' = ', $param['shop_id']]];
            $re = $this->checkCache($adver_id = $param['adver_id'], $keyStart = 'ip', $keyEnd = 'shoper', $paramStart = $param['ip'], $paramEnd = $param['shopId'], $where);
            if (is_string($re)) {
                $remark[] = $re;
            }

            /**********根据同一个用户，点击同一个行业的某个商家，某个时间段M内，最多只能N次生效**********/
            $where = [['adver_id', ' = ', $param['adver_id']], ['uid', ' = ', $param['uid']], ['industry', ' = ', $param['industry']]];
            $re = $this->checkCache($adver_id = $param['adver_id'], $keyStart = 'user', $keyEnd = 'industry', $paramStart = $param['uid'], $paramEnd = $param['industry'], $where);
            if (is_string($re)) {
                $remark[] = $re;
            }

            /**********根据同一个IP，点击同一个行业的某个商家，某个时间段M内，最多只能N次生效**********/
            $where = [['adver_id', ' = ', $param['adver_id']], ['ip', ' = ', $param['ip']], ['industry', ' = ', $param['industry']]];
            $re = $this->checkCache($adver_id = $param['adver_id'], $keyStart = 'ip', $keyEnd = 'industry', $paramStart = $param['ip'], $paramEnd = $param['industry'], $where);
            if (is_string($re)) {
                $remark[] = $re;
            }

            if (!empty($remark)) {
                return showJsonErr('扣费失败', $remark);
            }

            $adver = Advertising::find($param['adver_id']);
            if ($adver->residue_num <= 0) {
                return showJsonErr("广告[ID:{$param['adver_id']}，剩余次数为{$adver->residue_num}");
            }

            $res = Advertising::whereId($param['adver_id'])->decrement('residue_num');
            if (empty($res)) {
                return showJsonErr("广告[id:{$param['adver_id']}]扣费失败");
            }

            // 广告过期
            $adver = Advertising::whereId($param['adver_id'])->select(['residue_num'])->first();
            if ($adver->residue_num <= 0) {
                Advertising::whereId($param['adver_id'])->update(['status' => 9]);
                // todo 告诉广告发布者广告到期？
            }
        }
        return showJsonSucc("广告[id:{$param['adver_id']}]请求成功", $remark);
    }

    /**
     * 分享计费
     * @author lyh
     * @date 2019/4/3
     * @param \Request $request
     * @description
     * todo 待定
     */
    public function shareBilling(\Request $request)
    {

    }

    /**
     * @author lyh
     * @date 2019/4/4
     * @param $duration
     * @param $time
     * @return array
     * @description
     */
    private function sendMsg($adverId, $duration, $time, $where = [], $remark = '%s')
    {
        $afterTime = Carbon::now()->subMinute($duration);
        $requestNum = AdverDeductLog::whereBetween('created_at', [$afterTime, Carbon::now()])
            ->where($where)
            ->count('id');
        // 如果请求次数过多，则发送消息给城市运营商
//        if ($requestNum > $time) {
        $remark = sprintf($remark, $requestNum);
        $adver = Advertising::find($adverId);

        // todo
        AdverAlarm::insert([
            'uid' => $adver->uid, // 广告发布人
            'province' => $adver->province,
            'city' => $adver->city,
            'district' => $adver->district,
            'remark' => $remark
        ]);
//        }
    }

    private function checkCache($adverId, $keyStart, $keyEnd, $paramStart, $paramEnd, $where)
    {
        $prefix = sprintf('%sAND%s_', strtoupper($keyStart), strtoupper($keyEnd));
        $duration = Config::getValue("{$prefix}DURATION");
        $time = Config::getValue("{$prefix}TIME");
        $cachekey = sprintf(' %sAnd%s_%s_%s', $keyStart, $keyEnd, $paramStart, $paramEnd);

        $attri = [
            'user' => '用户',
            'shoper' => '商家',
            'ip' => 'IP',
            'industry' => '行业'
        ];

        $msgStart = $attri[$keyStart];
        $msgEnd = $attri[$keyEnd];

        $commonComment = sprintf('%s[%s]点击%s[%s]，在%s分钟内', $msgStart, $paramStart, $msgEnd, $paramEnd, $duration);

        if (\Cache::has($cachekey)) {
            $usdtNum = \Cache::get($cachekey);
            if ($usdtNum >= $time) {
                // todo  发送消息给谁
                $this->sendMsg($adverId, $duration, $time, $where, $remark = $commonComment . "请求了[%s]次");

                // return showJsonErr('触发失败'); // todo 修改提示内容
                $remark = sprintf("[对接提醒:该消息内容正式上线会去除]： %s生效了%s次", $commonComment, $usdtNum);
                return $remark;
            } else {
                \Cache::increment($cachekey);
            }
        } else {
            \Cache::add($cachekey, 1, $duration);
        }
        return true;
    }

    /**
     * 获取广告扣费
     * @author lyh
     * @date 2019/4/19
     * @param $param
     * @return array
     * @description
     */
    private function deduction($param)
    {
        $param['industry'] = Industry::whereContent($param['user_industry'])->first()->id;

        // 请求记录
        AdverDeductLog::insertGetId([
            'uid' => $param['uid'],
            'shop_id' => $param['shop_id'],
            'ip' => $param['ip'],
            'industry' => $param['industry'],
            'adver_id' => $param['adver_id'],
            'is_free' => $param['is_free'],
            'type' => $param['type'],
            'shop_slave_id' => $param['shop_slave_id'],
            'shop_master_id' => $param['shop_master_id']
        ]);

        // 对广告统计
        switch ($param['type']) {
            case 1:
                Advertising::whereId($param['adver_id'])->increment('click_num');
                break;
            case 2:
                Advertising::whereId($param['adver_id'])->increment('browse_num');
                break;
            case 3:
                Advertising::whereId($param['adver_id'])->increment('show_num');
                break;
            default;
        }

        $remark = [];
        if ($param['is_free'] == 0) {
            /**********根据同用户点击同一个商家，某个时间段M内，最多只能N次生效**********/
            $where = [['adver_id', '=', $param['adver_id']], ['uid', ' = ', $param['uid']], ['shop_id', ' = ', $param['shop_id']]];
            $re = $this->checkCache($adver_id = $param['adver_id'], $keyStart = 'user', $keyEnd = 'shoper', $paramStart = $param['uid'], $paramEnd = $param['shop_id'], $where);
            if (is_string($re)) {
                $remark[] = $re;
            }

            /**********根据同IP点击同一个商家，某个时间段M内，最多只能N次生效**********/
            $where = [['adver_id', ' = ', $param['adver_id']], ['ip', ' = ', $param['ip']], ['shop_id', ' = ', $param['shop_id']]];
            $re = $this->checkCache($adver_id = $param['adver_id'], $keyStart = 'ip', $keyEnd = 'shoper', $paramStart = $param['ip'], $paramEnd = $param['shop_id'], $where);
            if (is_string($re)) {
                $remark[] = $re;
            }

            /**********根据同一个用户，点击同一个行业的某个商家，某个时间段M内，最多只能N次生效**********/
            $where = [['adver_id', ' = ', $param['adver_id']], ['uid', ' = ', $param['uid']], ['industry', ' = ', $param['industry']]];
            $re = $this->checkCache($adver_id = $param['adver_id'], $keyStart = 'user', $keyEnd = 'industry', $paramStart = $param['uid'], $paramEnd = $param['industry'], $where);
            if (is_string($re)) {
                $remark[] = $re;
            }

            /**********根据同一个IP，点击同一个行业的某个商家，某个时间段M内，最多只能N次生效**********/
            $where = [['adver_id', ' = ', $param['adver_id']], ['ip', ' = ', $param['ip']], ['industry', ' = ', $param['industry']]];
            $re = $this->checkCache($adver_id = $param['adver_id'], $keyStart = 'ip', $keyEnd = 'industry', $paramStart = $param['ip'], $paramEnd = $param['industry'], $where);
            if (is_string($re)) {
                $remark[] = $re;
            }


            $adver = Advertising::find($param['adver_id']);
            if ($adver->residue_num <= 0) {
                $remark[] = "广告[ID:{$param['adver_id']}，剩余次数为{$adver->residue_num}";
            }

            $res = Advertising::whereId($param['adver_id'])->decrement('residue_num');
            if (empty($res)) {
                $remark[] = "广告[id:{$param['adver_id']}]扣费失败";
            }

            // 广告过期
            $adver = Advertising::whereId($param['adver_id'])->select(['residue_num'])->first();
            if ($adver->residue_num <= 0) {
                Advertising::whereId($param['adver_id'])->update(['status' => 9]);
                // todo 告诉广告发布者广告到期？
            }
        }
        return $remark;
    }
}