<?php

namespace App\Jobs;

use App\Enums\TemplateGenerationSource;
use App\Enums\TemplateGenerationStatus;
use App\Models\AiProvider;
use App\Models\TemplateGeneration;
use App\Services\Ai\OpenAiCompatibleTextGenerator;
use App\Services\TemplateFillService;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use RuntimeException;
use Throwable;

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

    public function __construct(private readonly TemplateGeneration $generation) {}

    public function handle(TemplateFillService $templateFillService, OpenAiCompatibleTextGenerator $outlineGenerator): void
    {
        $this->generation->update(['status' => TemplateGenerationStatus::Processing]);

        try {
            $outputPath = $this->generation->source === TemplateGenerationSource::AiText
                ? $this->fillFromAiText($templateFillService, $outlineGenerator)
                : $templateFillService->fill($this->generation);

            $this->generation->update([
                'status' => TemplateGenerationStatus::Completed,
                'output_path' => $outputPath,
            ]);
        } catch (Throwable $exception) {
            $this->generation->update([
                'status' => TemplateGenerationStatus::Failed,
                'error_message' => $exception->getMessage(),
            ]);
        }
    }

    private function fillFromAiText(TemplateFillService $templateFillService, OpenAiCompatibleTextGenerator $outlineGenerator): string
    {
        $provider = AiProvider::resolveActiveDefault();

        if (! $provider) {
            throw new RuntimeException('هیچ سرویس هوش مصنوعی فعالی تنظیم نشده است.');
        }

        $outline = $outlineGenerator->generateOutline(
            $this->generation->template,
            (string) $this->generation->title,
            (string) $this->generation->source_text,
            (int) $this->generation->slide_count,
            (string) $this->generation->language,
            $provider,
        );

        return $templateFillService->fillAiGeneration($this->generation, $outline);
    }
}