<?php

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

use App\Endpoint\Api\Http\Controllers\Controller;
use App\Endpoint\Api\Http\Resources\Dealer\OrderResource;
use App\Endpoint\Api\Http\Resources\Dealer\OrderSimpleResource;
use App\Exceptions\BizException;
use App\Helpers\Paginator as PaginatorHelper;
use App\Models\DealerOrder;
use App\Models\DealerProduct;
use App\Services\Dealer\OrderService;
use Illuminate\Database\QueryException;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Throwable;

class OrderController extends Controller
{
    /**
     * @param \Illuminate\Http\Request $request
     * @return void
     */
    public function index(Request $request)
    {
        $cate = $request->input('cate', 'purchase');//获取订单类别
        $user = $request->user();
        switch ($cate) {
            case 'consignor'://发货单
                $query = $user->dealerConsignOrders();
                break;
            default://采购单
                $query = $user->dealerOrders();
                break;
        }
        $perPage = PaginatorHelper::resolvePerPage('per_page', 20, 50);

        $orders = $query->with('products')
            ->filter($request->all())
            ->latest('id')
            ->simplePaginate($perPage);

        return OrderSimpleResource::collection($orders);
    }

    public function store(Request $request, OrderService $orderService)
    {
        $input = $request->validate([
            'shipping_address_id' => ['bail', 'required', 'int'],
            'product_id'=>['bail', 'required', 'int', 'min:0'],
            'num'=>['bail', 'required', 'int', 'min:1'],
        ], [], [
            'product_id' => '商品',
            'num' => '数量',
            'shipping_address_id' => '收货地址',
        ]);
        $product = DealerProduct::online()->findOrFail($input['product_id']);
        try {
            DB::beginTransaction();
            $order = $orderService->createOrder($request->user(), $product, $input['num'], $input['shipping_address_id']);
            DB::commit();
        } catch (BizException $e) {
            DB::rollBack();
            throw $e;
        } catch (Throwable $th) {
            DB::rollBack();
            report($th);
            throw new BizException('下单失败，请稍后再试');
        }

        return OrderResource::make($order);
    }

    public function show($id, Request $request)
    {
        $order = DealerOrder::findOrFail($id);
        $userId = $request->user()->id;
        //既不是采购人，也不是发货人
        if (!$order->canCurd($userId)) {
            throw new BizException('订单未找到');
        }

        return OrderResource::make($order);
    }

    /**
     * 计算订单价格
     *
     * @return void
     */
    public function totalAmount(Request $request, OrderService $orderService)
    {
        $input = $request->validate([
            'product_id'=>['bail', 'required', 'int', 'min:0'],
            'num'=>['bail', 'required', 'int', 'min:1'],
        ]);

        $product = DealerProduct::online()->findOrFail($input['product_id']);

        return response()->json([
            'total_amount'=> $orderService->totalAmount($request->user(), $product, $input['num']),
        ]);
    }

    /**
     * 确认接单
     *
     * @param [type] $id
     * @param Request $request
     * @return void
     */
    public function confirmOrder($id, Request $request, OrderService $orderService)
    {
        $order = DealerOrder::findOrFail($id);
        $userId = $request->user()->id;
        //不是发货人
        if (!$order->isConsignor($userId)) {
            throw new BizException('订单未找到');
        }

        $orderService->confirmOrder($order);
        return response()->noContent();
    }

    /**
     * 确认打款
     *
     * @return void
     */
    public function payOrder($id, Request $request, OrderService $orderService)
    {
        $order = DealerOrder::findOrFail($id);
        $userId = $request->user()->id;
        //不是采购人
        if (!$order->isUser($userId)) {
            throw new BizException('订单未找到');
        }

        $input = $request->validate([
            'pay_image' => ['bail', 'string'],
        ]);
        $orderService->payOrder($order, $input['pay_image'] ?? null);
        return response()->noContent();
    }

    /**
     * 确认收款+发货
     *
     * @return void
     */
    public function paidOrder($id, Request $request, OrderService $orderService)
    {
        $order = DealerOrder::findOrFail($id);
        $userId = $request->user()->id;
        //不是发货人
        if (!$order->isConsignor($userId)) {
            throw new BizException('订单未找到');
        }
        try {
            DB::beginTransaction();
            $orderService->paidOrder($order);//确认收款
            $orderService->shippingOrder($order);//确认发货
            DB::commit();
        } catch (QueryException $e) {
            DB::rollBack();
            if (strpos($e->getMessage(), 'Numeric value out of range') !== false) {
                $e = new BizException('当前可发货库存不足');
            }

            throw $e;
        } catch (Throwable $th) {
            DB::rollBack();
            report($th);
            throw new BizException('操作失败，请刷新后再试');
        }
        return response()->noContent();
    }

    /**
     * 确认收货
     *
     * @return void
     */
    public function shippingedOrder($id, Request $request, OrderService $orderService)
    {
        $order = DealerOrder::findOrFail($id);
        $userId = $request->user()->id;
        //不是收货人
        if (!$order->isUser($userId)) {
            throw new BizException('订单未找到');
        }
        try {
            DB::beginTransaction();
            $orderService->shippingedOrder($order);
            DB::commit();
        } catch (Throwable $th) {
            DB::rollBack();
            report($th);
            throw new BizException('操作失败，请刷新后再试');
        }
        return response()->noContent();
    }

    /**
     * 取消订单
     *
     * @param [type] $id
     * @param Request $request
     * @return void
     */
    public function cancelOrder($id, Request $request, OrderService $orderService)
    {
        $order = DealerOrder::findOrFail($id);
        $userId = $request->user()->id;
        if (!$order->isUser($userId)) {
            throw new BizException('订单未找到');
        }
        try {
            DB::beginTransaction();
            $orderService->cancelOrder($order);
            DB::commit();
        } catch (Throwable $th) {
            DB::rollBack();
            report($th);
            throw new BizException('操作失败，请刷新后再试');
        }
        return response()->noContent();
    }

    /**
     * 放弃接单/转让订单
     *
     * @param [type] $id
     * @param Request $request
     * @param OrderService $orderService
     * @return void
     */
    public function transferOrder($id, Request $request, OrderService $orderService)
    {
        $order = DealerOrder::findOrFail($id);
        $userId = $request->user()->id;
        //不是发货人
        if (!$order->isConsignor($userId)) {
            throw new BizException('订单未找到');
        }
        if (!$order->isPending()) {
            throw new BizException('订单状态异常，请刷新后再试');
        }
        try {
            DB::beginTransaction();
            $orderService->updateOrderConsignor($order);
            DB::commit();
        } catch (Throwable $th) {
            DB::rollBack();
            report($th);
            throw new BizException('操作失败，请刷新后再试');
        }

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