<?php

namespace App\Console\Commands;
use App\Model\SyncTempRecordProduct;
use App\Service\U8ThirtyPartyDatabaseServerService;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Cache;

class U8SettleInventory extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'command:u8_settle_inventory';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Command description';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    public function handle()
    {
        try {
            $time = time();
            //生成需要增删改的存货数据
            $this->settle($time);
            echo '第一步完成------' . PHP_EOL;
            //处理存货数据
            $this->productInsert($time);
            echo '第二步完成------' . PHP_EOL;
        }catch (\Exception $exception){
            Log::channel('apiLog')->info('存货异常', ['msg' => $exception->getMessage()]);
        }
    }

    public function settle($time){
        $service = new U8ThirtyPartyDatabaseServerService();
        $tasks = [
            'product' => [
                'whereRaw' => "",
                'limit' => 100,
            ]
        ];

        foreach ($tasks as $name => $config) {
            $currentU8Nos = [];
            $lastCode = ""; // 分页依据：存货编码

            while (true) {
                list($status, $items) = $service->getInventoryData($config, $lastCode);
                if (!$status || empty($items)) break;

                $nos = collect($items)->pluck('product_code')->toArray();
                $currentU8Nos = array_merge($currentU8Nos, $nos);

                // 获取本地快照（注意：快照表的 ufts 字段需要是字符串类型）
                $snapshots = DB::table('sync_snapshot_product')
                    ->whereIn('code', $nos)
                    ->get()
                    ->keyBy('code');

                foreach ($items as $item) {
                    $no = $item['product_code'];
                    $u8Ufts = $item['ufts_str']; // 拿到的是 '0x000000000005AD12' 这种
                    $snapshot = $snapshots->get($no);

                    $opType = null;
                    if (!$snapshot) {
                        $opType = SyncTempRecordProduct::opt_zero;
                    } elseif (strtolower($u8Ufts) !== strtolower($snapshot->ufts)) {
                        $opType = SyncTempRecordProduct::opt_one;
                    }
//                    if (!$snapshot) {
//                        // 本地无记录 -> 新增
//                        $opType = SyncTempRecordProduct::opt_zero;
//                    } elseif ($u8Ufts !== $snapshot->ufts) {
//                        // 本地 ufts 字符串与 U8 不一致 -> 修改
//                        $opType = SyncTempRecordProduct::opt_one;
//                    }

                    if ($opType !== null) {
                        $this->createSyncTask($no, $item, $opType, $u8Ufts, $time);
                    }
                }

                // 分页标识：取本批次最后一个编码
                $lastCode = end($items)['product_code'];
            }

            // --- 第二步：处理删除 ---
            DB::table('sync_snapshot_product')->orderBy('code')->chunk(1000, function ($snapshots) use ($currentU8Nos, $time) {
                $localNos = $snapshots->pluck('code')->toArray();
                $deletedNos = array_diff($localNos, $currentU8Nos);

                if (! empty($deletedNos)) {
                    foreach ($deletedNos as $no) {
                        $this->createSyncTask($no, ['product_code' => $no], SyncTempRecordProduct::opt_two, "", $time);
                    }
                }
            });
        }
    }

    public function productInsert($time)
    {
        DB::table('sync_temp_records_product')
            ->where('crt_time', $time)
            ->where('status', SyncTempRecordProduct::status_zero) // 只处理待处理的数据
            ->orderBy('id')
            ->chunkById(100, function ($records) {
                $batchData = [];
                $record_ids = [];
                $processedItems = []; // 用于批量维护快照

                foreach ($records as $record) {
                    $u8Data = is_array($record->payload)
                        ? $record->payload
                        : json_decode($record->payload, true);

                    if (empty($u8Data)) continue;

                    // 组织接口数据
                    $batchData[] = [
                        'operationType'    => SyncTempRecordProduct::$opMapping[$record->op_type],
                        'materialCode'     => $u8Data['product_code'] ?? '',
                        'materialName'     => $u8Data['product_name'] ?? '',
                        'materialSpec'     => $u8Data['product_size'] ?? '',
                        'materialTypeCode' => $u8Data['product_category_code'] ?? '',
                        'materialTypeName' => $u8Data['product_category_name'] ?? '',
                        'unitCode'         => $u8Data['product_unit_title'] ?? '',
                        'netWeight'        => 0,
                        'grossWeight'      => $u8Data['grossWeight'] ?? 0,
                    ];

                    $record_ids[] = $record->id;

                    // 缓存这一行的数据，用于后续成功后批量写回快照
                    $processedItems[] = [
                        'code'    => $record->code,
                        'ufts'    => $record->ufts,
                        'op_type' => $record->op_type,
                        'payload' => $record->payload
                    ];
                }

                if (empty($batchData)) return;

                // 5. 发送数据
                list($status, $msg) = $this->sendToTargetSystem($batchData);

                if (!$status) {
                    // 批量失败记录错误
                    SyncTempRecordProduct::whereIn('id', $record_ids)
                        ->update(['status' => SyncTempRecordProduct::status_two, 'error_msg' => $msg]);
                } else {
                    // 批量成功更新状态
                    SyncTempRecordProduct::whereIn('id', $record_ids)
                        ->update(['status' => SyncTempRecordProduct::status_one]);

                    // --- 批量维护快照表 ---
                    foreach ($processedItems as $item) {
                        if ($item['op_type'] == SyncTempRecordProduct::opt_two) {
                            // 删除操作：从快照移除
                            DB::table('sync_snapshot_product')
                                ->where('code', $item['code'])
                                ->delete();
                        } else {
                            // 新增或修改：更新/插入快照
                            DB::table('sync_snapshot_product')->updateOrInsert(
                                ['code' => $item['code']],
                                [
                                    'ufts'          => $item['ufts'],
                                    'payload'       => $item['payload'],
                                    'code' => $item['code']
                                ]
                            );
                        }
                    }
                }
            });
    }

    public function sendToTargetSystem($jsonBody){
        // 4. 接口路由
        $path = '/erp/material';
        $apiUrl = config('wms.api_url') . $path;

        // 5. 调用
        list($status, $result) = $this->post_helper($apiUrl, $jsonBody, ['Content-Type: application/json']);
        return [$status, $result];
    }

    private function createSyncTask($no, $payload, $opType, $ufts = "", $time) {
        SyncTempRecordProduct::create([
            'code'   => $no,
            'payload' => json_encode($payload),
            'ufts'  => $ufts,
            'op_type' => $opType,
            'crt_time'=> $time,
        ]);
    }

    public function post_helper($url, $data, $header = [], $timeout = 30)
    {
        Log::channel('apiLog')->info('存货同步', ["api" => $url, "param" => $data]);

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
        if(!is_null($data)) curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));

        $r = curl_exec($ch);

        if ($r === false) {
            $errorMessage = curl_error($ch);
            curl_close($ch);
            Log::channel('apiLog')->error('存货同步异常:WMS_CURL_ERROR', ["msg" => $errorMessage]);
            return [false, "网络错误: " . $errorMessage];
        }
        curl_close($ch);

        $return = json_decode($r, true);
        Log::channel('apiLog')->info('存货同步返回结果', ["res" => $return]);

        // 判断逻辑：code 存在且为 200 才算 true
        if (isset($return['code']) && $return['code'] == 200) {
            return [true, $return];
        }

        $msg = $return['message'] ?? '未知接口错误';
        return [false, $msg];
    }
}