<?php

namespace App\Http\Controllers\Goods;

use App\Events\BatchStockUpdateEvent;
use App\Events\StockUpdateEvent;
use App\Exports\GoodsSkusExport;
use App\Exports\WeekDataExport;
use App\Http\Controllers\Controller;
use App\Http\Enum\ExcelKeyEnum;
use App\Http\Requests\GoodsRequest;
use App\Http\Requests\GoodsSkuRequest;
use App\Imports\InventoryImport;
use App\Imports\LossImport;
use App\Imports\NewSetImport;
use App\Imports\PurchaseImport;
use App\Models\BusinessOrderItem;
use App\Models\DailySalesReport;
use App\Models\DeveloperConfig;
use App\Models\Goods;
use App\Models\Log;
use App\Models\Log as LogModel;
use App\Models\LossRecords;
use App\Models\PurchaseRecords;
use App\Utils\ArrayUtils;
use App\Utils\DateTimeUtils;
use Carbon\Carbon;
use Illuminate\Http\Request;
use App\Models\GoodsSku;
use App\Http\Resources\GoodsSkuResource;
use App\Imports\GoodsSkusImport;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Validator;
use Illuminate\Validation\Rule;
use Illuminate\Validation\ValidationException;
use Maatwebsite\Excel\Facades\Excel;
use App\Models\DailyStockRecord;
use App\Models\Shop;

class WareHouseSkusController extends Controller
{
    public function __construct(Request $request)
    {
        $this->log = new LogModel([
            'module' => 'goods',
            'action' => $request->getMethod(),
            'target_type' => 'goods_sku',
        ]);
    }

    public function index(Request $request)
    {
        $fields = implode(',', [
            'shop_id',
            'external_sku_id',
            'SUM(goods_number) - SUM(already_cancel_number) as number',
        ]);
        $orderRestTime = DeveloperConfig::query()
            ->where('key', DeveloperConfig::$ORDER_RESET_TIME)
            ->value('value');
        if (is_null($orderRestTime)) {
            $orderRestTime = date('Y-m-d 07:00:00');
        }
        $businessOrderItems = BusinessOrderItem::query()
            ->select(DB::raw($fields))
            ->with([
                'shop:id,name',
                'goodsSku:id,external_sku_id'
            ])
            ->where('created_at', '>', $orderRestTime)
            ->where('external_sku_id', '<>', '')
            ->groupBy(['shop_id', 'external_sku_id'])
            ->orderByDesc('number')
            ->get()
            ->toArray();
        $ids = $externals = [];
        foreach ($businessOrderItems as $businessOrderItem) {
            if (is_null($businessOrderItem['goods_sku'])) {
                continue;
            }
            $id = $businessOrderItem['goods_sku']['id'];
            if (isset($ids[$id])) {
                $ids[$id] += (int)$businessOrderItem['number'];
            } else {
                $ids[$id] = (int)$businessOrderItem['number'];
            }

            $externals[$businessOrderItem['external_sku_id']][] = $businessOrderItem;
        }
        arsort($ids);

        $builder = GoodsSku::query();
        $this->preparQueryGoodsSkus($request, $builder);
        $day = DateTimeUtils::getToday();
        $goodsSkus = (clone $builder)->filter()
            ->where('is_combination', 0)
            ->orderByDesc('stock')
            ->pluck('stock', 'id')
            ->toArray();
        $finalIds = [];
        foreach ($ids as $id => $number) {
            if (isset($goodsSkus[$id])) {
                $finalIds[] = $id;
                unset($goodsSkus[$id]);
            }
        }
        $finalIds = array_merge($finalIds, array_keys($goodsSkus));
        $idField = implode(',', $finalIds);

        $goodsSkus = (clone $builder)->with(['goods' => function ($query) {
            $query->with(['type:id,name', 'brand:id,name']);
        }])
            ->with(['daily' => function ($query) use ($day) {
                $query->where('day', $day);
            }])
            ->whereIn('id', $finalIds)
            ->orderByRaw("FIELD(id, {$idField})")
            ->paginate($request->get('per_page'));
        $rolesName = $request->user()->getRoleNames()->toArray();
        foreach ($goodsSkus as &$sku) {
            $lastInventoryTime = $sku['daily']['inventory_time'] ?: date('Y-m-d 07:00:00');
            if (isset($externals[$sku['external_sku_id']])) {
                $sku['order_detail'] = $externals[$sku['external_sku_id']];
                $sku['order_goods_num'] = array_sum(array_column($externals[$sku['external_sku_id']], 'number'));
            } else {
                $sku['order_detail'] = [];
                $sku['order_goods_num'] = 0;
            }
            $sku['order_goods_num'] -= $sku['daily']['reissue_num'];
            $sku['inventory_time'] = $lastInventoryTime;
            if ('销售' === $rolesName[0]) {
                $sku['cost'] = 0;
            }
        }
        return GoodsSkuResource::collection($goodsSkus);
    }

    /**
     * 采购单后台批量存储
     * @param Request $request
     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Http\Response|void
     */
    public function purchaseBatchStore(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'purchaseOrders' => 'required|array',
            'purchaseOrders.*.external_sku_id' => 'required|string',
            'purchaseOrders.*.num' => 'required|integer']);
        //参数校验
        if ($validator->fails()) {
            $this->setValidatorFailResponse($validator->getMessageBag()->getMessages());
            return response($this->res, $this->res['httpCode']);
        }
        $purchaseOrders = $request->input('purchaseOrders') ?? [];
        $externalSkuIds = collect($purchaseOrders)->pluck("external_sku_id")->toArray();
        $goodsSku = GoodsSku::query()->whereIn('external_sku_id', $externalSkuIds)->get();
        if ($goodsSku->pluck("external_sku_id")->diff($externalSkuIds)->isNotEmpty()) {
            $content = implode(',', $goodsSku->pluck("external_sku_id")->diff($externalSkuIds)->toArray());
            $content .= "以上sku编码数据库中不存在";
            return response($content, $this->res['httpCode']);
        }
        $goodsSkuMap = $goodsSku->pluck(null, 'external_sku_id')->toArray();
        $updateIds = [];
        //开始保存数据
        foreach ($purchaseOrders as $v) {
            $goodsSkuItem = $goodsSkuMap[$v['external_sku_id']];
            //保存記錄
            $purchaseRecords = new PurchaseRecords();
            $purchaseRecords->sku_id = $goodsSkuItem['id'] ?? 0;
            $purchaseRecords->external_sku_id = $v['external_sku_id'];
            $purchaseRecords->num = $v['num'];
            $purchaseRecords->cost = $v['cost'];
            $purchaseRecords->buyer_name = $v['buyer_name'] ?? '';
            $purchaseRecords->supplier_name = $v['supplier_name'] ?? '';
            $purchaseRecords->supplier_id = $v['supplier_id'] ?? 0;
            $purchaseRecords->save();

            //更新库存
            GoodsSku::query()->where('external_sku_id', $v['external_sku_id'])->update([
                'stock' => $goodsSkuItem['stock'] + $v['num'],
                'sale_stock' => $goodsSkuItem['sale_stock'] + $v['num'],
                'cost' => number_format(($goodsSkuItem['stock']*$goodsSkuItem['cost']+$v['cost']*$v['num'])
                    /($goodsSkuItem['stock'] + $v['num']),2),
                'status' => 1,
            ]);
            $updateIds[] =  $goodsSkuItem['id'];

        }
        //如果是組合商品後續會處理组合商品库存的拆分
        event(new BatchStockUpdateEvent($updateIds));
        return response($this->res, $this->res['httpCode']);
    }

    /**
     * 报损单后台批量存储
     * @param Request $request
     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Http\Response|void
     */
    public function purchaseImport(Request $request)
    {
        if (!$request->hasFile(ExcelKeyEnum::PURCHASE_KEY)) {
            $this->res = [
                'httpCode' => 404,
                'errorCode' => 404404,
                'errorMessage' => 'not found purchase file',
            ];
        }
        try {
            $import = new PurchaseImport();
            $path = $request->file(ExcelKeyEnum::PURCHASE_KEY);
            Excel::import($import, $path);
            $this->addLog(0, 'import', ExcelKeyEnum::PURCHASE_KEY);
        } catch (ValidationException $exception) {
            $this->setValidatorFailResponse($exception->validator->getMessageBag()->getMessages());
        }

        return response($this->res, $this->res['httpCode']);
    }


    public function lossBatchStore(Request $request){
        $validator = Validator::make($request->all(), [
            'lossOrders' => 'required|array',
            'lossOrders.*.external_sku_id' => 'required|string',
            'lossOrders.*.num' => 'required|integer',
            'lossOrders.*.reason' => 'sometimes|string',
            'lossOrders.*.buyer_name' => 'sometimes|string',//采购商
        ]);
        //参数校验
        if ($validator->fails()) {
            $this->setValidatorFailResponse($validator->getMessageBag()->getMessages());
            return response($this->res, $this->res['httpCode']);
        }
        $lossOrders = $request->input('lossOrders') ?? [];
        $externalSkuIds = collect($lossOrders)->pluck("external_sku_id")->toArray();
        $goodsSku = GoodsSku::query()->whereIn('external_sku_id', $externalSkuIds)->get();
        if ($goodsSku->pluck("external_sku_id")->diff($externalSkuIds)->isNotEmpty()) {
            $content = implode(',', $goodsSku->pluck("external_sku_id")->diff($externalSkuIds)->toArray());
            $content .= "以上sku编码数据库中不存在";
            return response($content, $this->res['httpCode']);
        }
        $goodsSkuMap = $goodsSku->pluck(null,'external_sku_id')->toArray();
        $updateIds = [];
        //开始保存数据
        foreach ($lossOrders as $v) {
            $goodsSkuItem = $goodsSkuMap[$v['external_sku_id']];
            //保存記錄
            $lossRecords = new LossRecords();
            $lossRecords->sku_id = $goodsSkuItem['id'] ?? 0;
            $lossRecords->external_sku_id = $v['external_sku_id'];
            $lossRecords->num = $v['num'];
            $lossRecords->cost = $v['cost'];
            $lossRecords->buyer_name = $v['buyer_name'] ?? '';
            $lossRecords->reason = $v['reason'] ?? '';
            $lossRecords->save();

            //更新库存
            GoodsSku::query()->where('external_sku_id', $v['external_sku_id'])->update([
                'stock' => $goodsSkuItem['stock'] - $v['num'],
                'sale_stock' => $goodsSkuItem['sale_stock'] - $v['num'],
                'cost' => number_format(($goodsSkuItem['stock']*$goodsSkuItem['cost']-$v['cost']*$v['num'])
                    /($goodsSkuItem['stock'] - $v['num']),2),
            ]);
            $updateIds[] =  $goodsSkuItem['id'];

        }
        //如果是組合商品後續會處理组合商品库存的拆分
        event(new BatchStockUpdateEvent($updateIds));
        return response($this->res, $this->res['httpCode']);
    }
    /**
     * 报损单单后台批量导入
     * @param Request $request
     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Http\Response|void
     */
    public function lossImport(Request $request)
    {
        if (!$request->hasFile(ExcelKeyEnum::LOSS_KEY)) {
            $this->res = [
                'httpCode' => 404,
                'errorCode' => 404404,
                'errorMessage' => 'not found loss file',
            ];
        }
        try {
            $import = new LossImport();
            $path = $request->file(ExcelKeyEnum::LOSS_KEY);
            Excel::import($import, $path);
            $this->addLog(0, 'import', ExcelKeyEnum::LOSS_KEY);
        } catch (ValidationException $exception) {
            $this->setValidatorFailResponse($exception->validator->getMessageBag()->getMessages());
        }

        return response($this->res, $this->res['httpCode']);
    }


}