<?php

namespace addons\shopro_aliyun_express\library;

class TrackNormalizer
{
    /**
     * 将 Provider 原始响应归一化为统一 trackList
     */
    public static function normalize(array $providerResult)
    {
        $provider = $providerResult['provider'] ?? '';
        switch ($provider) {
            case 'aliyun':
                return self::fromAliyun($providerResult);
            case 'kdniao':
            case 'expressbird':
                return self::fromKdniao($providerResult);
            default:
                return [
                    'success'             => false,
                    'trackList'           => [],
                    'expressStatus'       => '',
                    'expressCompanyName'  => '',
                    'expressCompanyCode'  => '',
                ];
        }
    }

    protected static function fromAliyun(array $providerResult)
    {
        $root = $providerResult['raw'] ?? ($providerResult['data'] ?? []);

        // kzexpress：logisticsTraceDetailList / logisticsTraceDetails
        $dataBlock = $root['data'] ?? $root;
        $traceDetails = self::pickKzexpressTraceList($dataBlock);
        if (!empty($traceDetails)) {
            return self::fromKzexpressTrace($providerResult, $dataBlock, $traceDetails);
        }

        // 文档格式：data.logisticsEvents
        if (!empty($root['data']['logisticsEvents'])) {
            return self::fromExprLogisticsEvents($providerResult, $root['data']);
        }

        // wuliu.market alicloudapi.com/kdi
        if (!empty($root['result']['list'])) {
            return self::fromWuliuResult($providerResult, $root['result'], $root);
        }

        // expQuery 等：data[] 含 context/time
        if (!empty($root['data']) && is_array($root['data']) && isset($root['data'][0]['context'])) {
            return self::fromExpQueryData($providerResult, $root);
        }

        $data = $root['data'] ?? $root;
        if (!empty($data['logisticsEvents'])) {
            return self::fromExprLogisticsEvents($providerResult, $data);
        }

        return [
            'success'             => !empty($providerResult['success']),
            'trackList'           => [],
            'expressStatus'       => is_string($data['status'] ?? null) ? $data['status'] : '',
            'expressCompanyName'  => $data['expressCompanyName'] ?? ($root['expTextName'] ?? ''),
            'expressCompanyCode'  => $data['expressCompany'] ?? ($root['expSpellName'] ?? ''),
            'lastDescription'     => $root['msg'] ?? '',
            'lastTime'            => '',
        ];
    }

    protected static function pickKzexpressTraceList(array $data)
    {
        foreach (['logisticsTraceDetailList', 'logisticsTraceDetails', 'logisticsTraceDetail'] as $key) {
            if (!empty($data[$key]) && is_array($data[$key])) {
                return $data[$key];
            }
        }
        return [];
    }

    protected static function fromKzexpressTrace(array $providerResult, array $data, array $traceDetails)
    {
        $trackList = [];
        foreach ($traceDetails as $item) {
            $time = $item['timeDesc'] ?? '';
            if ($time === '' && !empty($item['time']) && is_numeric($item['time'])) {
                $ts = (string) $item['time'];
                if (strlen($ts) >= 13) {
                    $time = date('Y-m-d H:i:s', (int) floor($item['time'] / 1000));
                } elseif (strlen($ts) === 10) {
                    $time = date('Y-m-d H:i:s', (int) $item['time']);
                }
            }

            $desc = trim((string) ($item['desc'] ?? ($item['description'] ?? '')));
            if ($desc === '') {
                $area = trim((string) ($item['areaName'] ?? ($item['location'] ?? '')));
                $statusText = trim((string) ($item['subLogisticsStatus'] ?? ($item['logisticsStatus'] ?? '')));
                $desc = trim($area . ($statusText !== '' ? ' ' . $statusText : ''));
            }

            $trackList[] = [
                'AcceptTime'    => $time,
                'AcceptStation' => $desc,
                'Location'      => $item['areaName'] ?? ($item['city'] ?? ''),
                'Action'        => self::mapAliyunStateToAction($item['logisticsStatus'] ?? ($item['subLogisticsStatus'] ?? '')),
            ];
        }

        usort($trackList, function ($a, $b) {
            return strcmp($b['AcceptTime'], $a['AcceptTime']);
        });

        return [
            'success'             => !empty($providerResult['success']),
            'trackList'           => $trackList,
            'expressStatus'       => $data['logisticsStatusDesc'] ?? ($data['logisticsStatus'] ?? ''),
            'expressCompanyName'  => $data['logisticsCompanyName'] ?? ($data['cpName'] ?? ''),
            'expressCompanyCode'  => $data['cpCode'] ?? '',
            'expressNo'           => $data['mailNo'] ?? ($data['expressNo'] ?? ''),
            'lastDescription'     => $data['theLastMessage'] ?? (!empty($trackList) ? ($trackList[0]['AcceptStation'] ?? '') : ''),
            'lastTime'            => $data['theLastTime'] ?? (!empty($trackList) ? ($trackList[0]['AcceptTime'] ?? '') : ''),
        ];
    }

    protected static function fromExprLogisticsEvents(array $providerResult, array $data)
    {
        $trackList = [];
        foreach ($data['logisticsEvents'] ?? [] as $event) {
            $trackList[] = [
                'AcceptTime'    => $event['date'] ?? '',
                'AcceptStation' => $event['description'] ?? '',
                'Location'      => $event['location'] ?? ($event['city'] ?? ''),
                'Action'        => self::mapAliyunStateToAction($event['state'] ?? ''),
            ];
        }
        usort($trackList, function ($a, $b) {
            return strcmp($b['AcceptTime'], $a['AcceptTime']);
        });

        return [
            'success'             => !empty($providerResult['success']),
            'trackList'           => $trackList,
            'expressStatus'       => $data['status'] ?? '',
            'expressCompanyName'  => $data['expressCompanyName'] ?? '',
            'expressCompanyCode'  => $data['expressCompany'] ?? '',
            'lastDescription'     => $data['lastDescription'] ?? '',
            'lastTime'            => $data['lastTime'] ?? '',
        ];
    }

    protected static function fromWuliuResult(array $providerResult, array $result, array $root)
    {
        $trackList = [];
        foreach ($result['list'] ?? [] as $item) {
            $trackList[] = [
                'AcceptTime'    => $item['time'] ?? ($item['ftime'] ?? ''),
                'AcceptStation' => $item['status'] ?? ($item['context'] ?? ''),
                'Location'      => $item['location'] ?? '',
                'Action'        => self::mapAliyunStateToAction($item['status'] ?? ''),
            ];
        }

        return [
            'success'             => !empty($providerResult['success']),
            'trackList'           => $trackList,
            'expressStatus'       => $result['deliverystatus'] ?? ($root['msg'] ?? ''),
            'expressCompanyName'  => $result['expName'] ?? ($result['type'] ?? ''),
            'expressCompanyCode'  => $result['type'] ?? '',
            'lastDescription'     => !empty($trackList) ? ($trackList[0]['AcceptStation'] ?? '') : '',
            'lastTime'            => !empty($trackList) ? ($trackList[0]['AcceptTime'] ?? '') : '',
        ];
    }

    protected static function fromExpQueryData(array $providerResult, array $root)
    {
        $trackList = [];
        foreach ($root['data'] as $item) {
            $trackList[] = [
                'AcceptTime'    => $item['time'] ?? '',
                'AcceptStation' => $item['context'] ?? '',
                'Location'      => $item['location'] ?? '',
                'Action'        => self::mapAliyunStateToAction($item['status'] ?? ''),
            ];
        }

        return [
            'success'             => !empty($providerResult['success']),
            'trackList'           => $trackList,
            'expressStatus'       => $root['updateStr'] ?? ($root['msg'] ?? ''),
            'expressCompanyName'  => $root['expTextName'] ?? '',
            'expressCompanyCode'  => $root['expSpellName'] ?? '',
            'lastDescription'     => !empty($trackList) ? ($trackList[0]['AcceptStation'] ?? '') : '',
            'lastTime'            => !empty($trackList) ? ($trackList[0]['AcceptTime'] ?? '') : '',
        ];
    }

    protected static function fromKdniao(array $providerResult)
    {
        $data = $providerResult['data'] ?? [];
        $traces = $data['Traces'] ?? [];
        $trackList = [];

        foreach ($traces as $trace) {
            $trackList[] = [
                'AcceptTime'    => $trace['AcceptTime'] ?? '',
                'AcceptStation' => $trace['AcceptStation'] ?? '',
                'Location'      => $trace['Location'] ?? '',
                'Action'        => $trace['Action'] ?? ($data['State'] ?? 0),
            ];
        }

        $statusMap = [
            '0' => '暂无轨迹',
            '1' => '已揽收',
            '2' => '运输中',
            '3' => '已签收',
            '4' => '问题件',
        ];
        $state = (string) ($data['State'] ?? '');

        return [
            'success'             => !empty($providerResult['success']),
            'trackList'           => $trackList,
            'expressStatus'       => $statusMap[$state] ?? '',
            'expressCompanyName'  => $data['ShipperCode'] ?? '',
            'expressCompanyCode'  => $data['ShipperCode'] ?? '',
            'lastDescription'     => !empty($trackList) ? ($trackList[0]['AcceptStation'] ?? '') : '',
            'lastTime'            => !empty($trackList) ? ($trackList[0]['AcceptTime'] ?? '') : '',
        ];
    }

    public static function mapAliyunStateToAction($state)
    {
        $state = trim((string) $state);
        $map = [
            '已揽收'   => 1,
            '收件扫描' => 1,
            'ACCEPT'   => 1,
            '运送中'   => 2,
            '运输中'   => 2,
            '转运中'   => 2,
            '入中转'   => 2,
            '出中转'   => 2,
            'TRANSPORT'=> 2,
            '派送中'   => 202,
            '待派送'   => 202,
            'DELIVERING' => 202,
            '已签收'   => 3,
            'SIGN'     => 3,
            'STA_SIGN' => 3,
            'AGENT_SIGN' => 304,
            '第三方代收' => 304,
            'AGENT_SIGN' => 304,
            '问题件'   => 4,
            '拒收'     => 4,
            '退回件'   => 4,
            'FAILED'   => 4,
        ];

        if (isset($map[$state])) {
            return $map[$state];
        }

        foreach ($map as $keyword => $action) {
            if ($state !== '' && mb_strpos($state, $keyword) !== false) {
                return $action;
            }
        }

        return 2;
    }

    /**
     * 修正派件图标（与原 OrderExpress::detail 逻辑一致）
     */
    public static function fixDeliveringIcons(array $trackList)
    {
        if (empty($trackList)) {
            return $trackList;
        }

        foreach ($trackList as $k => &$v) {
            if (($v['Action'] ?? null) == 202) {
                if ($k >= 2) {
                    $trackList[$k - 2]['Action'] = 3;
                    $trackList[$k - 1]['Action'] = 4;
                }
            }
        }
        unset($v);

        return $trackList;
    }
}