<?php

namespace App\Module\UrsPromotion\AdminControllers\Actions;

use App\Module\UrsPromotion\Models\UrsUserTalent;
use App\Module\UrsPromotion\Services\UrsTalentService;
use App\Module\UrsPromotion\Enums\UrsTalentLevel;
use UCore\DcatAdmin\Grid\BatchAction;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;
use Dcat\Admin\Admin;

/**
 * 批量更新达人等级操作
 *
 * 提供批量更新选中用户达人等级的功能
 */
class BatchUpdateTalentAction extends BatchAction
{
    /**
     * 操作按钮标题
     *
     * @var string
     */
    protected $title = '批量更新达人等级';

    /**
     * 确认弹窗信息
     *
     * @return string
     */
    public function confirm()
    {
        return '确定要批量更新选中用户的达人等级吗？系统将重新计算每个用户的团队数据并更新达人等级。';
    }

    /**
     * 处理批量更新请求
     *
     * @param Request $request
     * @return mixed
     */
    public function handle(Request $request)
    {
        $keys = $this->getKey();

        if (empty($keys)) {
            return $this->response()->error('请选择要更新的用户');
        }

        try {
            // 获取选中的达人记录
            $talents = UrsUserTalent::whereIn('id', $keys)->get();

            if ($talents->isEmpty()) {
                return $this->response()->error('未找到要更新的用户达人记录');
            }

            // 提取用户ID数组
            $ursUserIds = $talents->pluck('user_id')->toArray();

            // 批量更新达人等级
            $results = UrsTalentService::batchUpdateTalentLevels($ursUserIds);

            // 统计更新结果
            $successCount = 0;
            $failureCount = 0;
            $upgradedUsers = [];
            $errorMessages = [];

            foreach ($results as $ursUserId => $result) {
                if ($result['success']) {
                    $successCount++;

                    // 检查是否有等级变化
                    $originalTalent = $talents->where('user_id', $ursUserId)->first();
                    if ($originalTalent && $originalTalent->talent_level !== $result['talent_level']) {
                        $oldLevelName = UrsTalentLevel::getLevelName($originalTalent->talent_level);
                        $newLevelName = UrsTalentLevel::getLevelName($result['talent_level']);
                        $upgradedUsers[] = "URS用户{$ursUserId}: {$oldLevelName} → {$newLevelName}";
                    }
                } else {
                    $failureCount++;
                    $errorMessages[] = "URS用户{$ursUserId}: {$result['error']}";
                }
            }

            // 构建响应消息
            $message = "批量更新完成！成功更新 {$successCount} 个用户";

            if ($failureCount > 0) {
                $message .= "，失败 {$failureCount} 个用户";
            }

            if (!empty($upgradedUsers)) {
                $message .= "\n\n等级变化：\n" . implode("\n", $upgradedUsers);
            }

            if (!empty($errorMessages)) {
                $message .= "\n\n失败详情：\n" . implode("\n", array_slice($errorMessages, 0, 5));
                if (count($errorMessages) > 5) {
                    $message .= "\n...还有 " . (count($errorMessages) - 5) . " 个错误";
                }
            }

            // 记录操作日志
            Log::info('批量更新URS达人等级', [
                'operator' => Admin::user()->username ?? 'system',
                'selected_count' => count($keys),
                'success_count' => $successCount,
                'failure_count' => $failureCount,
                'urs_user_ids' => $ursUserIds,
                'upgraded_users' => $upgradedUsers,
            ]);

            if ($failureCount === 0) {
                return $this->response()
                    ->success($message)
                    ->refresh();
            } else {
                return $this->response()
                    ->warning($message)
                    ->refresh();
            }

        } catch (\Exception $e) {
            Log::error('批量更新URS达人等级失败', [
                'operator' => Admin::user()->username ?? 'system',
                'selected_keys' => $keys,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            return $this->response()->error('批量更新失败：' . $e->getMessage());
        }
    }
}