<?php

namespace App\Services\Meet;

use App\Models\Recording;
use App\Models\Session;
use App\Models\User;
use App\Jobs\ProcessRecording;
use Illuminate\Support\Facades\Storage;

class RecordingService
{
    public function start(Session $session, User $host, string $layout = 'gallery'): Recording
    {
        $active = $session->recordings()->where('status', 'recording')->first();
        if ($active) {
            return $active;
        }

        $recording = Recording::create([
            'owner_ref' => $session->owner_ref,
            'session_id' => $session->id,
            'status' => 'recording',
            'layout' => $layout,
            'started_by_ref' => $host->ownerRef(),
            'started_at' => now(),
        ]);

        AuditLogger::record(
            $session->owner_ref,
            'recording.started',
            $session->room->organization_id,
            $host->ownerRef(),
            Recording::class,
            $recording->id,
        );

        return $recording;
    }

    public function stop(Recording $recording, string $actorRef): Recording
    {
        if ($recording->status !== 'recording') {
            return $recording;
        }

        $recording->update([
            'status' => 'processing',
            'ended_at' => now(),
            'duration_seconds' => $recording->started_at
                ? (int) $recording->started_at->diffInSeconds(now())
                : null,
        ]);

        AuditLogger::record(
            $recording->owner_ref,
            'recording.stopped',
            $recording->session->room->organization_id,
            $actorRef,
            Recording::class,
            $recording->id,
        );

        ProcessRecording::dispatch($recording->id);

        return $recording->fresh();
    }

    public function process(Recording $recording): Recording
    {
        $session = $recording->session;
        $filename = 'recordings/'.$session->uuid.'/'.$recording->uuid.'.mp4';
        $disk = Storage::disk(config('meet.recordings.disk', 'local'));

        // Placeholder until LiveKit Egress writes the file; create empty marker for dev.
        if (! $disk->exists($filename)) {
            $disk->put($filename, '');
        }

        $recording->update([
            'status' => 'ready',
            'storage_path' => $filename,
            'file_size' => $disk->size($filename) ?: null,
            'thumbnail_path' => null,
        ]);

        AuditLogger::record(
            $recording->owner_ref,
            'recording.ready',
            $session->room->organization_id,
            null,
            Recording::class,
            $recording->id,
        );

        app(MeetNotificationService::class)->recordingReady($recording);

        app(\App\Services\Integrations\WebhookDispatcher::class)->recordingReady($recording);

        app(MeetBillingService::class)->chargeRecordingStorageInitial($recording->fresh());

        if ($session->room->setting('auto_ai_summary', false) || config('meet.ai.auto_summarize', true)) {
            app(TranscriptService::class)->ensureForSession($session, $recording);
        }

        return $recording->fresh();
    }

    public function delete(Recording $recording, string $actorRef): void
    {
        if ($recording->storage_path) {
            Storage::disk(config('meet.recordings.disk', 'local'))->delete($recording->storage_path);
        }

        AuditLogger::record(
            $recording->owner_ref,
            'recording.deleted',
            $recording->session->room->organization_id,
            $actorRef,
            Recording::class,
            $recording->id,
        );

        $recording->delete();
    }
}