<?php

namespace App\Service\CodeGeneration;

use App\BaseApp\BaseService;
use App\Enum\order\OrderStatusEnum;
use App\Models\OrderDetailModel;
use App\Models\OrderModel;
use App\Models\ProductModel;
use App\Models\SkuModel;
use App\Models\UserModel;
use App\Models\UserReceivingAddressModel;
use Exception;
use Illuminate\Support\Facades\DB;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;

class OrderService extends BaseService
{
    public function __construct()
    {
        parent::__construct();
        $this->selectField = ["id", "user_id", "order_no", "order_status", "total_amount", "status", "created_at", "updated_at", "deleted_at"];
        $this->queryField = ['user_id' => '=','order_no' => 'like','order_status' => '=,status='];
        $this->model = OrderModel::class;
        $this->with = [
            'user:id,nick_name,avatar'
        ];
    }

    /**
     * 获取订单管理列表
     * @return array
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    public function list(): array
    {
        $result = $this->getPageList();
        foreach ($result['items'] as &$v) {
            $v['status_text'] = OrderStatusEnum::from($v['status'])->description();
            $v['status_color'] = OrderStatusEnum::from($v['status'])->getColor();
        }
        return $result;
    }

    /**
     * 获取订单管理详情
     * @param $id
     * @return mixed
     * @throws Exception
     */
    public function detail($id)
    {
        $this->selectField[] = 'recipient';
        $this->with[] = 'detail:id,order_id,product_id,sku_id,price,quantity,subtotal,snapshot';
        $result = $this->getDetail($id);
        $result['status_text'] = OrderStatusEnum::from($result['status'])->description();
        $result['status_color'] = OrderStatusEnum::from($result['status'])->getColor();
        $result['recipient'] = json_decode($result['recipient'], true);
        foreach ($result['detail'] as &$v) {
            $v['snapshot'] = !empty($v['snapshot'])  ? json_decode($v['snapshot'], true) : [];
        }
        return $result;
    }

    /**
     * 订单管理下拉列表
     * @return mixed
     */
    public function option()
    {
        $this->optionField = ['id', 'name'];
        return $this->getOption();
    }

    /**
     * 创建订单管理
     * @param $params
     * @return mixed
     * @throws Exception
     */
    public function create($params): mixed
    {
        return $this->insert($params);
    }

    /**
     * 编辑订单管理
     * @param $id
     * @param $params
     * @return mixed
     * @throws Exception
     */
    public function update($id, $params): mixed
    {
        return $this->save($id, $params);
    }

    /**
     * 删除订单管理
     * @param $ids
     * @return mixed|true
     * @throws Exception
     */
    public function delete($ids): mixed
    {
        return $this->del($ids);
    }

    public function generateOrder($params)
    {
        $userIds = UserModel::pluck('id');
        $userId = $userIds->random();

        $skuIds = array_column($params['products'], 'sku_id');
        $skuQuantity = array_column($params['products'], 'number', 'sku_id');

        $skus = SkuModel::with('product')->whereIn('id', $skuIds)->get();
        if (empty($skus)) {
            $this->utils->errorThrow('商品sku不存在！');
        }

        $skus = $skus->toArray();

        $skuGetIds = array_column($skus, 'id');
        // 对比skuIds和skuGetIds如果传入的skuId不存在于skuGetIds中，则抛出异常
        $diffSkuIds = array_diff($skuIds, $skuGetIds);
        if ($diffSkuIds) {
            $this->utils->errorThrow('商品sku不存在！SkuId：'. implode(',', $diffSkuIds));
        }

        // 获取收件人地址
        $recipient = $this->getRecipientInfo($params['address_id']?? 0);

        // 生成订单号
        $orderNo = $this->utils->genOrderNo();

        $orderInsertData = [
            'user_id' => $userId,
            'order_no' => $orderNo,
            'total_amount' => 0,
            'recipient' => $recipient,
            'user_remarks' => $params['user_remarks'] ?? '',
            'status' => 0,
        ];

        DB::beginTransaction();
        try {
            $totalAmount = 0;
            $orderId = $this->insert($orderInsertData);

            if (!$orderId) {
                $this->utils->errorThrow('订单生成失败！');
            }

            $orderProducts = [];
            foreach ($skus as $v) {
                $subtotal = bcmul($v['price'], $skuQuantity[$v['id']], 2);
                $orderProducts[] = [
                    'order_id' => $orderId,
                    'product_id' => $v['product_id'],
                    'sku_id' => $v['id'],
                    'price' => $v['price'],
                    'quantity' => $skuQuantity[$v['id']],
                    'subtotal' => $subtotal,
                    'snapshot' => json_encode($v),
                ];
                $totalAmount = bcadd($totalAmount, $subtotal, 2);
            }

            $orderDetailInsertModel = OrderDetailModel::insert($orderProducts);

            if (!$orderDetailInsertModel) {
                $this->utils->errorThrow('订单商品生成失败！');
            }

            $orderUpdateModel = $this->update($orderId, [
                'total_amount' => $totalAmount,
            ]);

            if (!$orderUpdateModel) {
                $this->utils->errorThrow('订单生成失败！');
            }
            DB::commit();
        } catch (Exception $e) {
            DB::rollBack();
            $this->utils->errorThrow($e->getMessage());
        }

        return $orderId;
    }

    public function getRecipientInfo($id = null)
    {
        if (empty($id)) {
            $this->utils->errorThrow('请选择收件人！');
        }

        $recipientInfo = UserReceivingAddressModel::where('id', $id)->first();
        $recipientInfo['copy_text'] = "{$recipientInfo['name']} {$recipientInfo['phone']} {$recipientInfo['complete_address']}";
        return json_encode($recipientInfo);
    }
}