<?php

namespace common\components;

use Yii;

/**
 * 飞鹅云打印日志（Redis 缓存，按 mainId + orderId 聚合）
 */
class feiePrintLogUtil
{
    /** 日志缓存 TTL：30 天 */
    const CACHE_TTL = 2592000;

    /** 待回调映射 TTL：30 天 */
    const MAP_TTL = 2592000;

    /**
     * 订单打印日志 Redis Key
     */
    public static function logCacheKey($mainId, $orderId)
    {
        return 'feie_print_log:' . intval($mainId) . ':' . intval($orderId);
    }

    /**
     * 飞鹅订单 ID 反查 Redis Key
     */
    public static function mapCacheKey($feieOrderId)
    {
        return 'feie_print_map:' . trim((string)$feieOrderId);
    }

    /**
     * 打印提交成功后写入 pending 记录，并建立 feieOrderId 反查索引
     */
    public static function appendPending($mainId, $orderId, $orderSn, $printSn, $feieOrderId)
    {
        $mainId = intval($mainId);
        $orderId = intval($orderId);
        $feieOrderId = trim((string)$feieOrderId);
        if ($mainId <= 0 || $orderId <= 0 || $feieOrderId === '') {
            return false;
        }

        $mapKey = self::mapCacheKey($feieOrderId);
        $mapData = json_encode([
            'mainId' => $mainId,
            'orderId' => $orderId,
            'orderSn' => (string)$orderSn,
            'printSn' => (string)$printSn,
        ], JSON_UNESCAPED_UNICODE);
        Yii::$app->redis->executeCommand('SETEX', [$mapKey, self::MAP_TTL, $mapData]);

        $logKey = self::logCacheKey($mainId, $orderId);
        $list = self::decodeList(Yii::$app->redis->executeCommand('GET', [$logKey]));
        $list[] = [
            'orderSn' => (string)$orderSn,
            'printSn' => (string)$printSn,
            'feieOrderId' => $feieOrderId,
            'printTime' => 0,
            'printTimeText' => '',
            'status' => 0,
        ];
        Yii::$app->redis->executeCommand('SETEX', [$logKey, self::CACHE_TTL, json_encode($list, JSON_UNESCAPED_UNICODE)]);

        return true;
    }

    /**
     * 飞鹅回调更新打印时间与状态
     */
    public static function updateByCallback($feieOrderId, $stime, $status, $rawCallback = [])
    {
        $feieOrderId = trim((string)$feieOrderId);
        if ($feieOrderId === '') {
            return false;
        }

        $mapRaw = Yii::$app->redis->executeCommand('GET', [self::mapCacheKey($feieOrderId)]);
        if (empty($mapRaw)) {
            Yii::warning('飞鹅打印回调未找到映射: ' . $feieOrderId, __METHOD__);
            return false;
        }

        $map = json_decode($mapRaw, true);
        if (empty($map['mainId']) || empty($map['orderId'])) {
            return false;
        }

        $logKey = self::logCacheKey($map['mainId'], $map['orderId']);
        $list = self::decodeList(Yii::$app->redis->executeCommand('GET', [$logKey]));
        $stime = intval($stime);
        $updated = false;

        foreach ($list as &$item) {
            if (($item['feieOrderId'] ?? '') === $feieOrderId) {
                $item['printTime'] = $stime;
                $item['printTimeText'] = $stime > 0 ? date('Y-m-d H:i:s', $stime) : '';
                $item['status'] = intval($status);
                if (!empty($rawCallback)) {
                    $item['callbackInfo'] = $rawCallback;
                }
                $updated = true;
                break;
            }
        }
        unset($item);

        if (!$updated) {
            $list[] = [
                'orderSn' => (string)($map['orderSn'] ?? ''),
                'printSn' => (string)($map['printSn'] ?? ''),
                'feieOrderId' => $feieOrderId,
                'printTime' => $stime,
                'printTimeText' => $stime > 0 ? date('Y-m-d H:i:s', $stime) : '',
                'status' => intval($status),
                'callbackInfo' => $rawCallback,
            ];
        }

        Yii::$app->redis->executeCommand('SETEX', [$logKey, self::CACHE_TTL, json_encode($list, JSON_UNESCAPED_UNICODE)]);
        return true;
    }

    /**
     * 读取订单打印日志，按 printTime 降序
     */
    public static function getList($mainId, $orderId)
    {
        $logKey = self::logCacheKey($mainId, $orderId);
        $list = self::decodeList(Yii::$app->redis->executeCommand('GET', [$logKey]));
        usort($list, function ($a, $b) {
            $timeA = intval($a['printTime'] ?? 0);
            $timeB = intval($b['printTime'] ?? 0);
            if ($timeA === $timeB) {
                return strcmp($b['feieOrderId'] ?? '', $a['feieOrderId'] ?? '');
            }
            return $timeB <=> $timeA;
        });
        return $list;
    }

    /**
     * 解析 Redis 中的 JSON 数组
     */
    protected static function decodeList($raw)
    {
        if (empty($raw)) {
            return [];
        }
        $list = json_decode($raw, true);
        return is_array($list) ? $list : [];
    }
}