<?php

namespace App\Module\Game\Logics\UserLogCollectors;

use App\Module\GameItems\Models\ItemTransactionLog;
use App\Module\GameItems\Services\ItemService;

/**
 * 物品日志收集器
 *
 * 收集item_transaction_logs表的新增记录，转换为用户友好的日志消息
 */
class ItemLogCollector extends BaseLogCollector
{
    /**
     * 源表名
     *
     * @var string
     */
    protected string $sourceTable = 'item_transaction_logs';

    /**
     * 源类型
     *
     * @var string
     */
    protected string $sourceType = 'item';

    /**
     * 获取新的记录
     *
     * @param int $lastProcessedId 上次处理的最大ID
     * @return \Illuminate\Database\Eloquent\Collection
     */
    protected function getNewRecords(int $lastProcessedId)
    {
        return ItemTransactionLog::where('id', '>', $lastProcessedId)
            ->orderBy('id')
            ->limit($this->maxRecords)
            ->get();
    }

    /**
     * 按时间获取新的记录
     *
     * @param int $lastProcessedTimestamp 上次处理的最大时间戳
     * @return \Illuminate\Database\Eloquent\Collection
     */
    protected function getNewRecordsByTime(int $lastProcessedTimestamp)
    {
        return ItemTransactionLog::where('created_at', '>', date('Y-m-d H:i:s', $lastProcessedTimestamp))
            ->orderBy('created_at')
            ->orderBy('id') // 相同时间时按ID排序
            ->limit($this->maxRecords)
            ->get();
    }

    /**
     * 获取记录的时间戳
     *
     * @param ItemTransactionLog $record 物品交易记录
     * @return int 时间戳
     */
    protected function getRecordTimestamp($record): int
    {
        return strtotime($record->created_at);
    }

    /**
     * 根据记录ID获取原始记录的时间戳
     *
     * @param int $recordId 记录ID
     * @return int 时间戳
     */
    protected function getOriginalRecordTimestamp(int $recordId): int
    {
        try {
            $record = ItemTransactionLog::find($recordId);
            return $record ? strtotime($record->created_at) : 0;
        } catch (\Exception $e) {
            \Illuminate\Support\Facades\Log::error("获取物品日志原始时间戳失败", [
                'record_id' => $recordId,
                'error' => $e->getMessage()
            ]);
            return 0;
        }
    }

    /**
     * 转换记录为用户日志数据
     *
     * @param ItemTransactionLog $record 物品交易记录
     * @return array|null 用户日志数据，null表示跳过
     */
    protected function convertToUserLog($record): ?array
    {
        try {
            // 生成用户友好的消息
            $message = $this->buildUserFriendlyMessage($record);

            if (!$message) {
                return null; // 跳过无法生成消息的记录
            }

            return $this->createUserLogData(
                $record->user_id,
                $message,
                $record->id,
                $record->created_at
            );

        } catch (\Exception $e) {
            \Illuminate\Support\Facades\Log::error("转换物品日志失败", [
                'record_id' => $record->id,
                'error' => $e->getMessage()
            ]);
            return null;
        }
    }

    /**
     * 构建用户友好的消息
     *
     * @param ItemTransactionLog $record
     * @return string|null
     */
    private function buildUserFriendlyMessage(ItemTransactionLog $record): ?string
    {
        $itemName = $this->getItemName($record->item_id);
        $quantity = abs($record->quantity);
        $isGain = $record->quantity > 0;

        // 根据来源类型生成不同的消息格式
        switch ($record->source_type) {
            case 'house_upgrade':
                return $this->buildHouseUpgradeMessage($record, $itemName, $quantity, $isGain);

            case 'land_upgrade':
                return $this->buildLandUpgradeMessage($record, $itemName, $quantity, $isGain);

            case 'land_sow':
                return $this->buildLandSowMessage($record, $itemName, $quantity, $isGain);

            case 'land_remove_crop':
                return $this->buildLandRemoveCropMessage($record, $itemName, $quantity, $isGain);

            case 'shop_buy':
                return $this->buildShopBuyMessage($record, $itemName, $quantity, $isGain);

            case 'task_reward':
                return $this->buildTaskRewardMessage($record, $itemName, $quantity, $isGain);

            case 'admin_add':
                return $this->buildAdminMessage($record, $itemName, $quantity, $isGain);

            default:
                return $this->buildDefaultMessage($record, $itemName, $quantity, $isGain);
        }
    }

    /**
     * 构建房屋升级消息
     *
     * @param ItemTransactionLog $record
     * @param string $itemName
     * @param int $quantity
     * @param bool $isGain
     * @return string
     */
    private function buildHouseUpgradeMessage(ItemTransactionLog $record, string $itemName, int $quantity, bool $isGain): string
    {
        if ($isGain) {
            return "房屋升级获得{$itemName} {$quantity}";
        } else {
            return "房屋升级消耗{$itemName} {$quantity}";
        }
    }

    /**
     * 构建土地升级消息
     *
     * @param ItemTransactionLog $record
     * @param string $itemName
     * @param int $quantity
     * @param bool $isGain
     * @return string
     */
    private function buildLandUpgradeMessage(ItemTransactionLog $record, string $itemName, int $quantity, bool $isGain): string
    {
        if ($isGain) {
            return "土地升级获得{$itemName} {$quantity}";
        } else {
            return "土地升级消耗{$itemName} {$quantity}";
        }
    }

    /**
     * 构建播种消息
     *
     * @param ItemTransactionLog $record
     * @param string $itemName
     * @param int $quantity
     * @param bool $isGain
     * @return string
     */
    private function buildLandSowMessage(ItemTransactionLog $record, string $itemName, int $quantity, bool $isGain): string
    {
        if ($isGain) {
            return "播种获得{$itemName} {$quantity}";
        } else {
            return "播种消耗{$itemName} {$quantity}";
        }
    }

    /**
     * 构建清除作物消息
     *
     * @param ItemTransactionLog $record
     * @param string $itemName
     * @param int $quantity
     * @param bool $isGain
     * @return string
     */
    private function buildLandRemoveCropMessage(ItemTransactionLog $record, string $itemName, int $quantity, bool $isGain): string
    {
        if ($isGain) {
            return "清除作物获得{$itemName} {$quantity}";
        } else {
            return "清除作物消耗{$itemName} {$quantity}";
        }
    }

    /**
     * 构建商店购买消息
     *
     * @param ItemTransactionLog $record
     * @param string $itemName
     * @param int $quantity
     * @param bool $isGain
     * @return string
     */
    private function buildShopBuyMessage(ItemTransactionLog $record, string $itemName, int $quantity, bool $isGain): string
    {
        if ($isGain) {
            return "购买{$itemName} {$quantity}";
        } else {
            return "购买消耗{$itemName} {$quantity}";
        }
    }

    /**
     * 构建任务奖励消息
     *
     * @param ItemTransactionLog $record
     * @param string $itemName
     * @param int $quantity
     * @param bool $isGain
     * @return string
     */
    private function buildTaskRewardMessage(ItemTransactionLog $record, string $itemName, int $quantity, bool $isGain): string
    {
        if ($isGain) {
            return "任务奖励{$itemName} {$quantity}";
        } else {
            return "任务消耗{$itemName} {$quantity}";
        }
    }

    /**
     * 构建管理员操作消息
     *
     * @param ItemTransactionLog $record
     * @param string $itemName
     * @param int $quantity
     * @param bool $isGain
     * @return string
     */
    private function buildAdminMessage(ItemTransactionLog $record, string $itemName, int $quantity, bool $isGain): string
    {
        if ($isGain) {
            return "管理员发放{$itemName} {$quantity}";
        } else {
            return "管理员扣除{$itemName} {$quantity}";
        }
    }

    /**
     * 构建默认消息
     *
     * @param ItemTransactionLog $record
     * @param string $itemName
     * @param int $quantity
     * @param bool $isGain
     * @return string
     */
    private function buildDefaultMessage(ItemTransactionLog $record, string $itemName, int $quantity, bool $isGain): string
    {
        $action = $isGain ? '获得' : '消耗';

        if (!empty($record->source_type)) {
            $sourceDesc = $this->getSourceTypeDesc($record->source_type);
            if ($sourceDesc) {
                return "{$sourceDesc}{$action}{$itemName} {$quantity}";
            }
        }

        return "{$action}{$itemName} {$quantity}";
    }

    /**
     * 获取物品名称
     *
     * @param int $itemId 物品ID
     * @return string
     */
    private function getItemName(int $itemId): string
    {
        try {
            // 尝试从物品服务获取物品信息
            $itemDto = ItemService::getItemInfo($itemId);
            if ($itemDto && $itemDto->name) {
                return $itemDto->name;
            }

            // 如果服务不可用，尝试直接查询数据库
            $itemModel = \App\Module\GameItems\Models\Item::find($itemId);
            if ($itemModel) {
                return $itemModel->name;
            }

            return "物品{$itemId}";

        } catch (\Exception $e) {
            return "物品{$itemId}";
        }
    }

    /**
     * 获取交易类型描述
     *
     * @param int $transactionType 交易类型
     * @return string
     */
    private function getTransactionTypeDesc(int $transactionType): string
    {
        $typeMap = [
            1 => '获取',
            2 => '消耗',
            3 => '交易获得',
            4 => '交易失去',
            5 => '过期失效',
        ];

        return $typeMap[$transactionType] ?? '';
    }

    /**
     * 获取来源类型描述
     *
     * @param string $sourceType 来源类型
     * @return string
     */
    private function getSourceTypeDesc(string $sourceType): string
    {
        $sourceMap = [
            'task' => '任务奖励',
            'shop' => '商店购买',
            'chest' => '宝箱开启',
            'craft' => '物品合成',
            'farm' => '农场收获',
            'pet' => '宠物获得',
            'system' => '系统发放',
            'admin' => '管理员操作',
        ];

        return $sourceMap[$sourceType] ?? $sourceType;
    }

    /**
     * 是否应该记录此日志
     *
     * @param ItemTransactionLog $record
     * @return bool
     */
    private function shouldLogRecord(ItemTransactionLog $record): bool
    {
        // 跳过数量为0的记录
        if ($record->quantity == 0) {
            return false;
        }

        // 可以添加更多过滤条件
        // 例如：跳过某些物品类型
        // 例如：跳过临时物品
        
        return true;
    }

    /**
     * 获取物品的额外信息
     *
     * @param ItemTransactionLog $record
     * @return string
     */
    private function getExtraInfo(ItemTransactionLog $record): string
    {
        $extraInfo = [];

        // 如果有实例ID，说明是有特殊属性的物品
        if ($record->instance_id) {
            $extraInfo[] = '特殊属性';
        }

        // 如果有过期时间
        if ($record->expire_at) {
            $expireTime = \Carbon\Carbon::parse($record->expire_at);
            if ($expireTime->isFuture()) {
                $extraInfo[] = '有效期至' . $expireTime->format('m-d H:i');
            }
        }

        return !empty($extraInfo) ? '（' . implode('，', $extraInfo) . '）' : '';
    }
}