<?php

namespace App\Endpoint\Api\Http\Controllers\Dealer;

use App\Endpoint\Api\Http\Controllers\Controller;
use App\Endpoint\Api\Http\Resources\Dealer\DealerDeliveryBillResource;
use App\Enums\PayWay;
use App\Exceptions\BizException;
use App\Exceptions\PayPasswordIncorrectException;
use App\Helpers\Paginator;
use App\Services\Dealer\DealerDeliveryBillService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Throwable;

class DealerDeliveryBillController extends Controller
{
    /**
     * 提货单列表
     *
     * @param \Illuminate\Http\Request $request
     * @return \Illuminate\Http\JsonResponse
     */
    public function index(Request $request)
    {
        $perPage = Paginator::resolvePerPage('per_page', 20, 50);

        $deliveryBills = $request->user()->dealerDeliveryBills()
                            ->filter($request->all())
                            ->latest('id')
                            ->simplePaginate($perPage);

        return DealerDeliveryBillResource::collection($deliveryBills);
    }

    /**
     * 创建提货单
     *
     * @param \Illuminate\Http\Request $request
     * @param \App\Services\Dealer\DealerDeliveryBillService $dealerDeliveryBillService
     * @return \Illuminate\Http\JsonResponse
     */
    public function store(Request $request, DealerDeliveryBillService $dealerDeliveryBillService)
    {
        $input = $request->validate([
            'shipping_address_id' => ['bail', 'required'],
            'products' => ['bail', 'required', 'array'],
            'products.*.id' => ['bail', 'required', 'int'],
            'products.*.qty' => ['bail', 'required', 'int', 'min:1'],
            'remark' => ['bail', 'nullable', 'string', 'max:255'],
        ], [], [
            'shipping_address_id' => '收货地址',
            'products' => '商品',
            'remark' => '备注',
        ]);

        $user = $request->user();

        $shippingAddress = $user->shippingAddresses()->findOrFail($input['shipping_address_id']);

        try {
            DB::beginTransaction();

            $deliveryBill = $dealerDeliveryBillService->create(
                $user,
                $input['products'],
                [
                    'name' => $shippingAddress->consignee,
                    'telephone' => $shippingAddress->telephone,
                    'zone' => $shippingAddress->zone,
                    'address' => $shippingAddress->address,
                ],
                $input['remark'] ?? null
            );

            DB::commit();
        } catch (Throwable $e) {
            DB::rollBack();

            throw $e;
        }

        $deliveryBill->load(['deliveryProducts.product']);

        return DealerDeliveryBillResource::make($deliveryBill);
    }

    /**
     * 提货单详情
     *
     * @param int $id
     * @param \Illuminate\Http\Request $request
     * @return \Illuminate\Http\JsonResponse
     */
    public function show($id, Request $request)
    {
        $deliveryBill = $request->user()->dealerDeliveryBills()->findOrFail($id);
        $deliveryBill->load(['deliveryProducts.product']);

        return DealerDeliveryBillResource::make($deliveryBill);
    }

    /**
     * 提货单支付
     *
     * @param int $id
     * @param \Illuminate\Http\Request $request
     * @param \App\Services\Dealer\DealerDeliveryBillService $dealerDeliveryBillService
     * @return \Illuminate\Http\JsonResponse
     */
    public function pay($id, Request $request, DealerDeliveryBillService $dealerDeliveryBillService)
    {
        $input = $request->validate([
            'pay_way' => ['bail', 'required', 'string'],
            'pay_password' => ['bail', 'required_if:pay_way,wallet'],
            'products'=> ['array'],
        ], [
            'pay_password.required_if' => '支付密码 不能为空。',
        ], [
            'pay_way' => '支付方式',
            'pay_password' => '支付密码',
        ]);

        $payWay = PayWay::tryFrom($input['pay_way']);

        if (! in_array($payWay, [PayWay::Wallet, PayWay::WxpayH5, PayWay::WxpayJsApi])) {
            throw new BizException('支付方式 非法');
        }

        $user = $request->user();

        $deliveryBill = $user->dealerDeliveryBills()->findOrFail($id);

        if ($payWay === PayWay::Wallet && !$user->wallet?->verifyPassword($input['pay_password'])) {
            throw new PayPasswordIncorrectException();
        }

        try {
            DB::beginTransaction();

            $data = $dealerDeliveryBillService->pay($deliveryBill, $payWay);

            DB::commit();
        } catch (BizException $e) {
            DB::rollBack();

            throw $e;
        } catch (Throwable $e) {
            DB::rollBack();

            report($e);

            throw new BizException('支付失败，请重试');
        }

        return response()->json($data);
    }

    /**
     * 取消提货单
     *
     * @param int $id
     * @param \Illuminate\Http\Request $request
     * @return \Illuminate\Http\JsonResponse
     */
    public function cancel($id, Request $request)
    {
        $user = $request->user();

        DB::transaction(function () use ($id, $user) {
            (new DealerDeliveryBillService())->cancel(
                $user->dealerDeliveryBills()->lockForUpdate()->findOrFail($id)
            );
        });

        return response()->noContent();
    }
}