<?php

namespace App\Jobs;

use App\Services\ExamAnalysisService;
use App\Services\TaskManager;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Log;
use Throwable;

class ProcessAnalysisReportTaskJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    public int $tries = 3;
    public int $timeout = 300;
    public array $backoff = [5, 10, 20];

    public function __construct(
        public string $taskId,
        public string $paperId,
        public string $studentId,
        public ?string $recordId = null
    ) {
        // 与 PDF 相关重流程统一走 pdf 队列
        $this->onQueue((string) config('queue.workloads.pdf', 'pdf'));
        // 避免事务未提交时 worker 提前消费导致读到旧数据
        $this->afterCommit();
    }

    public function handle(ExamAnalysisService $examAnalysisService): void
    {
        try {
            Log::info('ProcessAnalysisReportTaskJob: 开始处理学情报告任务', [
                'task_id' => $this->taskId,
                'paper_id' => $this->paperId,
                'student_id' => $this->studentId,
                'record_id' => $this->recordId,
                'attempt' => $this->attempts(),
            ]);

            $examAnalysisService->processReportGenerationTask(
                $this->taskId,
                $this->paperId,
                $this->studentId,
                $this->recordId
            );
        } catch (Throwable $e) {
            Log::error('ProcessAnalysisReportTaskJob: 处理失败，将交由队列重试/失败落库', [
                'task_id' => $this->taskId,
                'paper_id' => $this->paperId,
                'student_id' => $this->studentId,
                'record_id' => $this->recordId,
                'attempt' => $this->attempts(),
                'error' => $e->getMessage(),
            ]);
            throw $e;
        }
    }

    public function failed(Throwable $exception): void
    {
        try {
            $taskManager = app(TaskManager::class);
            $taskManager->markTaskFailed(
                $this->taskId,
                '学情报告生成失败：'.$exception->getMessage()
            );
            // 与成功路径保持一致：最终失败也发回调，避免调用方只等待回调而无结果。
            $taskManager->sendCallback($this->taskId);
        } catch (Throwable $innerException) {
            Log::error('ProcessAnalysisReportTaskJob: failed回调更新任务失败', [
                'task_id' => $this->taskId,
                'error' => $innerException->getMessage(),
            ]);
        }

        Log::error('ProcessAnalysisReportTaskJob: 队列任务最终失败', [
            'task_id' => $this->taskId,
            'paper_id' => $this->paperId,
            'student_id' => $this->studentId,
            'record_id' => $this->recordId,
            'error' => $exception->getMessage(),
        ]);
    }
}