<?php

namespace App\Http\Controllers;

use App\CarType;
use App\Components\AsyncResponse;
use App\DeliveryAppointment;
use App\DeliveryAppointmentCar;
use App\Events\DeliveryAppointmentEvent;
use App\Imports\AppointmentDetail;
use App\Services\common\ExportService;
use App\Warehouse;
use Carbon\Carbon;
use Carbon\CarbonPeriod;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Gate;
use Illuminate\Support\Facades\Validator;

class DeliveryAppointmentController extends Controller
{
    use AsyncResponse;

    public function list()
    {
        if(!Gate::allows('入库管理-客户预约-预约管理')){ return view("exception.authority");  }
        $list = app("DeliveryAppointmentService")->query(request()->input())
            ->paginate(request("paginate") ?? 50);

        $warehouses = Warehouse::query()->select("id","name")->get();
        $owners = app("OwnerService")->getIntersectPermitting();
        return view("store.deliveryAppointment.list",compact("list","warehouses","owners"));
    }

    public function appointment()
    {
        if(!Gate::allows('入库管理-客户预约-预约')){ return view("exception.authority");  }
        $owners = app("OwnerService")->getIntersectPermitting();
        $cars = CarType::query()->get();
        $warehouses = Warehouse::query()->select("id","name")->get();
        return view("store.deliveryAppointment.appointment",compact("owners","cars","warehouses"));
    }

    public function import()
    {
        $this->importExcel(new AppointmentDetail());
    }

    /**
     * 获取产能
     *
     */
    public function getCapacity()
    {
        $this->gate("入库管理-客户预约-预约");
        $model = request("model");
        $errors = $this->appointmentValidator($model)->errors();
        if (count($errors)>0)$this->success(["errors"=>$errors]);
        /** @var \stdClass $warehouse */
        $warehouse = Warehouse::query()->find($model["warehouse_id"]);
        $tonne = $model["tonne"] ?? 0;
        $cubicMeter = $model["cubic_meter"] ?? 0;
        $amount = request("detail_amount");
        $need = app("DeliveryAppointmentService")->calculateCapacity($tonne,$cubicMeter,$amount,$warehouse->reduced_production_capacity_coefficient);//所需产能
        $start = Carbon::tomorrow();
        $end = Carbon::today()->addDays(7);
        $map = [];
        DeliveryAppointment::query()->selectRaw("appointment_date,date_period,SUM(capacity) AS capacity")
            ->whereBetween("appointment_date",[$start->toDateString(),$end->toDateString()])
            ->where("status",0)
            ->where("warehouse_id",$warehouse->id)
            ->groupBy(["appointment_date","date_period"])->get()
            ->each(function ($appointment)use(&$map){
                $map[$appointment->appointment_date."-".$appointment->date_period] = $appointment->capacity;
            });
        $list = [];
        $capacity = $warehouse->production_capacity;
        foreach (CarbonPeriod::create($start,$end) as $date){
            /** @var $date Carbon */
            $date = $date->format("Y-m-d");
            $periods = [];
            foreach (DeliveryAppointment::PERIOD as $key=>$period){
                $total = $capacity*DeliveryAppointment::HOUR[$key];//仓库该时段产能总量
                $used = $map[$date."-".$key] ?? 0; //已使用产能
                $available = $total-$used; //可用产能
                $period = explode("-",$period);
                $period = $period[0].":00 - ".$period[1].":00";
                if ($available < $need)$periods[] = ["time"=>$period,"index"=>$key,"isAvailable"=>false];
                else $periods[] = ["time"=>$period,"index"=>$key,"isAvailable"=>true];
            }
            $list[] = ["date"=>$date,"period"=>$periods];
        }
        $this->success($list);
    }

    /**
     * 确定预约
     */
    public function submitAppointment()
    {
        $this->gate("入库管理-客户预约-预约");
        $model = request("model");
        $selectDate = request("date");
        $details = request("details");
        $errors = $this->appointmentValidator($model)->errors();
        if (count($errors)>0)$this->success(["errors"=>$errors]);
        $errors = Validator::make($selectDate,[
            "date" => ["required","date","after:today"],
            "time" => ["required","integer"],
        ])->errors();
        if (count($errors)>0)$this->error("未选定预约日期");

        DB::transaction(function ()use($model,$selectDate,$details,&$appointment){
            $result = DeliveryAppointment::query()->selectRaw("appointment_date,date_period,SUM(capacity) AS capacity")
                ->where("appointment_date",$selectDate["date"])
                ->where("date_period",$selectDate["time"])
                ->where("warehouse_id",$model["warehouse_id"])
                ->where("status",0)
                ->groupBy(["appointment_date","date_period"])
                ->lockForUpdate()->first();
            /** @var \stdClass $warehouse */
            $warehouse = Warehouse::query()->find($model["warehouse_id"]);
            $need = app("DeliveryAppointmentService")->
            calculateCapacity($model["tonne"] ?? 0,$model["cubic_meter"] ?? 0,count($details),
                $warehouse->reduced_production_capacity_coefficient);
            if ($result){
                $total = $warehouse->production_capacity*DeliveryAppointment::HOUR[$selectDate["time"]];
                $available = $total-$result->capacity;
                if ($available < $need)$this->success(["isFail"=>true]);
            }
            /** @var \stdClass $appointment */
            $appointment = DeliveryAppointment::query()->create([
                "user_id"               => Auth::id(),
                "owner_id"              => $model["owner_id"],
                "procurement_number"    => $model["procurement_number"] ?? null,
                "asn_number"            => $model["asn_number"] ?? null,
                "warehouse_id"          => $model["warehouse_id"],
                "tonne"                 => $model["tonne"] ?? 0,
                "cubic_meter"           => $model["cubic_meter"] ?? 0,
                "box_amount"            => $model["box_amount"] ?? 0,
                "capacity"              => $need,
                "appointment_date"      => $selectDate["date"],
                "date_period"           => $selectDate["time"],
            ]);
            if ($details)app("DeliveryAppointmentService")->insertDetails($appointment,$details);
            $insert = [];
            foreach ($model["cars"] as $index=>$car){
                $rand = mt_rand(0,9);
                $len = strlen($appointment->id);
                $ten = $len < 2 ? "0" : substr($appointment->id,$len-2,1);
                $one = substr($appointment->id,$len-1,1);
                //唯一码 随机数+十位+当前下标+个位+日期
                $number = $rand.$ten.$index.$one.date("d");
                $insert[] = [
                    "delivery_appointment_id" => $appointment->id,
                    "license_plate_number"    => $car["license_plate_number"],
                    "car_id"                  => $car["car_id"],
                    "driver_name"             => $car["driver_name"],
                    "driver_phone"            => $car["driver_phone"],
                    "appointment_number"      => $number,
                ];
            }
            DeliveryAppointmentCar::query()->insert($insert);
        });
        //md5加密在密文第五位后插入
        $md5 = substr_replace(md5(date("m-d")),$appointment->id,5,0);
        $this->success(["key"=>$md5]);
    }

    private function appointmentValidator(array $model)
    {
        return Validator::make($model,[
            "owner_id" => ["required","integer"],
            "warehouse_id" => ["required","integer"],
            "tonne" => ["required_without:cubic_meter","numeric"],
            "cubic_meter" => ["required_without:tonne","numeric"],
            "box_amount" => ["nullable","integer"],
            "cars.*.license_plate_number" => ["required","size:7"],
            "cars.*.car_id" => ["nullable","integer"],
            "cars.*.driver_phone" => ["nullable"],
            "cars.*.driver_name" => ["nullable"],
        ],[
            'required'=>':attribute 不应为空',
            'integer'=>':attribute 应为数值',
            'required_without'=>':attribute 不应为空',
            'numeric'=>':attribute 必须为数字',
            'size'=>':attribute 非法',
        ],[
            'owner_id'=>'货主',
            'warehouse_id'=>'仓库',
            'tonne'=>'吨',
            'cubic_meter'=>'立方',
            'cars.*.license_plate_number'=>'车牌号',
            'cars.*.car_id'=>'车型',
            'cars.*.driver_phone'=>'司机电话',
            'cars.*.driver_name'=>'司机姓名',
        ]);
    }

    /**
     * 根据key取id 鉴权数据
     */
    public function showAppointmentInfo()
    {
        if(!Gate::allows('入库管理-客户预约-预约')){ return view("exception.authority");  }
        $key = request("k");
        $len = strlen($key);
        $id = substr($key,5,$len-32);
        $md5 = substr($key,0,5).substr($key,5+$len-32);
        if ($md5!==md5(date("m-d")))return view("exception.404");

        /** @var \stdClass $appointment */
        $appointment = DeliveryAppointment::query()->with("cars")->find($id);
        if (!$appointment || $appointment->user_id != Auth::id())return view("exception.404");
        return view("store.deliveryAppointment.success",compact("appointment"));
    }

    /**
     *  取消预约
     */
    public function cancel()
    {
        $this->gate("入库管理-客户预约-预约");
        $id = request("id");
        if (!$id)$this->error("非法参数");
        DeliveryAppointment::query()->where("status",0)->where("id",$id)->update(["status"=>1]);
        $this->success(1);
    }

    /**
     * 导出
     */
    public function export()
    {
        if(!Gate::allows('入库管理-客户预约-预约管理')){ return view("exception.authority");  }
        if (request("checkAllSign")){
            $params = request()->input();
            unset($params["checkAllSign"]);
            $query = app("DeliveryAppointmentService")->query($params);
        }else $query = app("DeliveryAppointmentService")->query(["id"=>request("id")]);
        /** @var Builder $query */
        $list = $query->with(["owner","warehouse"])->get();
        $row = ["状态","货主","预约时间","仓库","预约号","车牌号","车型",
            "司机姓名","司机电话","吨","立方","箱数","采购单号","ASN单号","商品名称","条码","数量","创建时间"];
        foreach ($list as &$data){
            $appointment = "";
            $number = "";
            $carType = "";
            $driverName = "";
            $driverPhone = "";
            $commodityName = "";
            $commodityCode = "";
            $amount = "";
            foreach ($data->cars as $car){
                $appointment .= $car->appointment_number."\r\n";
                $number .= $car->license_plate_number."\r\n";
                $carType .= ($car->car->name ?? '')."\r\n";
                $driverName .= ($car->driver_name ?? '')."\r\n";
                $driverPhone .= ($car->driver_phone ?? '')."\r\n";
            }
            foreach ($data->details as $detail){
                $commodityName .= ($detail->commodity->name ?? $detail->name)."\r\n";
                $commodityCode .= ($detail->commodity->barcodes->code ?? $detail->bar_code)."\r\n";
                $amount .= $detail->amount."\r\n";
            }
            $data = [
                DeliveryAppointment::STATUS[$data->status],
                $data->owner->name ?? '',
                $data->appointment_date,
                $data->warehouse->name ?? '',
                $appointment,
                $number,
                $carType,
                $driverName,
                $driverPhone,
                $data->tonne,
                $data->cubic_meter,
                $data->box_amount,
                $data->procurement_number,
                $data->asn_number,
                $commodityName,
                $commodityCode,
                $amount,
                $data->created_at
            ];
        }
        return app(ExportService::class)->json($row,$list,"预约记录");
    }

    /**
     *  获取展览数据
     */
    public function getExhibitionList()
    {
        $this->gate("入库管理-客户预约-预约管理");
        $list = [];
        $hour = date("H");
        $index = null;
        foreach (DeliveryAppointment::PERIOD as $key=>$period){
            $arr = explode("-",$period);
            if (count($arr)!=2)continue;
            if ($hour<$arr[1]){
                $index = $key;
                break;
            }
        }
        if ($index===null)$this->success([]);
        $query = DeliveryAppointmentCar::query()->whereHas("deliveryAppointment",function (Builder $query)use($index){
            $query->where("appointment_date",date("Y-m-d"))->whereIn("status",[0,2])
                ->where("date_period",">=",$index);
        });
        $query->orderByDesc("id")->limit(10)->get()->each(function ($car)use(&$list){
            $diff = $car->delivery_time ? (strtotime($car->delivery_time)+1799)-time() : 0;
            $list[] = [
                "license_plate_number" => $car->license_plate_number,
                "driver_name" => $car->driver_name,
                "driver_phone" => $car->driver_phone,
                "diff" => $diff>0 ? $diff*1000 : 0,
            ];
        });
        $counts = $query->selectRaw("(CASE WHEN delivery_time IS NOT NULL THEN 1 ELSE 2 END) AS time, COUNT(1) AS c")->groupByRaw("time")->get();
        $count = 0;
        $success = 0;
        if ($counts)foreach ($counts as $c){
            if ($c->time==1)$success = $c->c;
            $count += $c->c;
        }
        $result = ["list"=>$list,"count"=>$count,"success"=>$success];
        $nextTime = DeliveryAppointment::PERIOD[$index+1] ?? null;
        if ($nextTime){
            $nextTime = explode("-",$nextTime)[0];
            $timestamp = strtotime(date("Y-m-d")." ".$nextTime.":00:00");
            $result["refresh"] = (($timestamp-time())*1000) ?? 1000;
        }
        $this->success($result);
    }

    public function getKey()
    {
        $this->success(app("DeliveryAppointmentService")->getKey());
    }

    /**
     * 错误信息
     *
     * @return string
     */
    public function errMsg()
    {
        return <<<html
<div style='font-weight: bold;color: red;margin: 500px auto;text-align: center;'>
<span style='font-size: 200px;'>&times;</span><br>
<span style='font-size: 50px'>二维码已过期，请重新扫描！</span><br><h1 style="color: #1b1e21;">如果多次扫描失败，请联系管理人员检查!</h1>
</div>"
html;
    }

    /**
     * 检查key有效性
     * 21-4-2 切换永久二维码 取消时段校验
     *
     * @param string $key
     * @param int $offset
     *
     * @return bool
     */
    private function check($key,$offset):bool
    {
        if (!$key)return false;
        $key = base64_decode($key);
        $ch = app("DeliveryAppointmentService")->getKey();
        $len = strlen($ch);
        if (substr($key,0,$len)!=$ch)return false;
        /*$timeLen = strlen($key)-$len;
        $time = substr($key,$len)+$offset;
        $thisTime = (integer)substr(time(),$timeLen*-1);
        if ($thisTime>$time)return false;*/
        return true;
    }
    /**
     * 进入预约界面填写预约码
     */
    public function delivery()
    {
        if (!$this->check(request("k"),65))return $this->errMsg();
        return view("store.deliveryAppointment.delivery",["k"=>request("k")]);
    }

    /**
     * 验证预约码
     *
     */
    public function checkAppointment()
    {
        if (!$this->check(request("k"),180))return ["status"=>406];
        $number = request("number");
        if (!$number)return ["status"=>417];
        $period = app("DeliveryAppointmentService")->getPeriod();
        if ($period===false)return ["status"=>416]; //非法时段扫码
        $car = DeliveryAppointmentCar::query()->whereNull("delivery_time")
            ->where("appointment_number",$number)->whereHas("deliveryAppointment",function (Builder $query)use($period){
                $query->where("appointment_date",date("Y-m-d"))
                ->where("date_period",$period)->where("status",0);
            })->first();
        if (!$car)return ["status"=>417];
        $car->update(["delivery_time"=>date("Y-m-d H:i:s")]);
        /** @var DeliveryAppointmentCar $car */
        event(new DeliveryAppointmentEvent($car));
        app("DeliveryAppointmentService")->checkFull($car->delivery_appointment_id);
        return ["status"=>200,"k"=>$car->delivery_appointment_id];
    }

    public function successMsg()
    {
        if (!request("k"))return view("exception.404");
        /** @var \stdClass $appointment */
        $appointment = DeliveryAppointment::query()->with(["cars"=>function($query){
            /** @var Builder $query */
            $query->whereNull("delivery_time");
        }])->find(request("k"));
        return view("store.deliveryAppointment.deliverySuccess",["cars"=>$appointment->cars]);
    }
}