<?php
namespace App\Domains\Virtual\Services;

use App\Dicts;
use App\Core\Service;
use App\Models\Virtual\AddedOrder;
use Illuminate\Validation\Rule;
use Illuminate\Support\Facades\DB;
use App\Exceptions\NotExistException;
use App\Exceptions\NotAllowedException;
use Illuminate\Support\Facades\Validator;
use App\Domains\Virtual\Services\CommonService;
use App\Domains\Virtual\Repositories\OrderRepository;
use App\Domains\Virtual\Repositories\ProductRepository;

class AddedOrderService extends Service
{
    protected $orderRepository;

    /**
     * 构造函数
     *
     * @return void
     */
    public function __construct(OrderRepository $orderRepository)
    {
        $this->orderRepository = $orderRepository;
    }
    
    /**
     * 订单列表
     *
     * @param array $conditions
     * @return mixed
     */
    public function paginate(array $conditions = [])
    {
        $limit =  $conditions['limit'] ?? 35;

        $res = $this->orderRepository->with(['company:id,name','package:id,name,carrier_operator'])
            ->withConditions($conditions)->applyConditions()->orderBy('order_at', 'desc')->paginate($limit);

        return $res;
    }

    /**
     * 订单计数
     *
     * @param array $conditions
     * @return mixed
     */
    public function count(array $conditions = [])
    {
        $select = [
            DB::raw('COUNT(*) as total_count'),
            DB::raw('SUM(custom_price) as total_price'),
            DB::raw('SUM(custom_price*transaction_status) as transacted_price'),
        ];

        $res = $this->orderRepository->select($select)->withConditions($conditions)->applyConditions()->first()->toArray();

        $res['total_price'] = $res['total_price'] ?: 0;
        $res['transacted_price'] = $res['transacted_price'] ?: 0;
        unset($res['company']);
        unset($res['package']);

        return $res;
    }

    /**
     * 下单
     *
     * @param array $attributes
     * @return Order
     */
    public function store(array $attributes = [])
    {
        $attributes['sn'] = $attributes['sn'] ?: $this->generateSn();

        $rule = [
            'company_id' => ['exists:virtual_companies,id'],
            'product_id' => [],
            'counts' => [],
            'pay_channel' => [Rule::in(array_collapse(app(Dicts::class)->get('pay_channel')))],
            'contacts' => ['display_length:2,32'],
            'mobile' => ['cn_phone'],
            'area' => ['max:255'],
            'address' => ['max:255'],
            'order_status' => ['in:0,1,2,3,4'],
            'transaction_status' => ['in:0,1,2'],
            'extends' => ['array'],
        ];

        $message = [
            'company_id.required' => '请输入企业ID',
            'company_id.exists' => '企业不存在或已删除',
            'product_id.required' => '请选择套餐',
            'counts.required' => '请输入订购数量',
            'pay_channel.required' => '请选择支付方式',
            'pay_channel.in' => '支付方式不合法',
            'contacts.required' => '联系人不能为空',
            'contacts.display_length' => '联系人名称长度不合法',
            'mobile.required' => '手机号不能为空',
            'mobile.cn_phone' => '手机号不合法',
            'area.required' => '请选择区域',
            'address.required' => '请输入详细地址',
        ];

        if (!$attributes['id']) {
            $rule['company_id'][] = 'required';
            $rule['product_id'][] = 'required';
            $rule['counts'][] = 'required';
            $rule['pay_channel'][] = 'required';
            $rule['contacts'][] = 'required';
            $rule['mobile'][] = 'required';
            $rule['area'][] = 'required';
            $rule['address'][] = 'required';
        }

        Validator::validate($attributes, $rule, $message);
        
        if (!$attributes['id']) {
            if (!$product = app(ProductRepository::class)->withConditions(['id' => $attributes['product_id']])->first()) {
                throw new NotExistException('套餐不存在或已删除');
            }
    
            if ($product->company_id != $attributes['company_id']) {
                throw new NotAllowedException('非法操作');
            }

            $attributes['unit_price'] = $product->base_price;
            $attributes['total_price'] = $attributes['unit_price'] * $attributes['counts'];
            $attributes['custom_price'] = $attributes['unit_price'] * $attributes['counts'];
            $attributes['order_at'] = $attributes['order_at'] ?? date('Y-m-d H:i:s');
            $attributes['package_id'] = $attributes['package_id'] ?? $product->package_id;

            $node = $this->orderRepository->create($attributes);
        }

        if ($attributes['id']) {
            if (!$node = $this->orderRepository->find($attributes['id'])) {
                throw new NotExistException('订单不存在或已删除');
            }

            if (!empty($attributes['extends']) && is_array($attributes['extends'])) {
                $attributes['extends'] = array_merge($node->extends ?: [], $attributes['extends']);
            }

            $this->orderRepository->setModel($node)->update($attributes);
        }
          
        return $node;
    }

    /**
     * 取消订单
     *
     * @return bool
     */
    public function cancel($id)
    {
        if (!$node = $this->orderRepository->find($id)) {
            throw new NotExistException('订单不存在或已删除');
        }

        if ($node->order_status !== 0) {
            throw new NotExistException('订单已出库，不能取消');
        }

        if ($node->transaction_status !== 0) {
            throw new NotExistException('订单已付款，不能取消');
        }

        $this->orderRepository->setModel($node)->update(['order_status' => 1]);

        return $node;
    }

    /**
     * 确认收货
     *
     * @return bool
     */
    public function received($id)
    {
        if (!$node = $this->orderRepository->find($id)) {
            throw new NotExistException('订单不存在或已删除');
        }

        if ($node->order_status !== 3) {
            throw new NotExistException('订单未发货，不能修改');
        }

        $this->orderRepository->setModel($node)->update(['order_status' => 4]);

        return $node;
    }

    /**
     * 生成订单编号 20位
     *
     * @return void
     */
    public function generateSn()
    {
        return date('YmdHis') . explode('.', microtime(true))[1] . sprintf('%02d', rand(0, 99));
    }
}