<?php

namespace App\Http\Controllers;

use App\Http\Requests\TranscribeRecordingRequest;
use App\Jobs\TranscribeRecording;
use App\Models\Recording;
use Illuminate\Http\RedirectResponse;

class TranscribeController extends Controller
{
    /**
     * Queue transcription for the recording with the chosen engine.
     *
     * Always allowed: stops any current run first, then starts the new engine.
     */
    public function __invoke(TranscribeRecordingRequest $request, Recording $recording): RedirectResponse
    {
        if ($recording->isTranscribing() || $recording->hasActiveTranscriptionJob()) {
            $recording->cancelTranscription(silent: true);
            $recording->refresh();
        }

        $driver = $request->validated('driver');

        $recording->update([
            'transcription_driver' => $driver,
            'ollama_url' => $driver === 'ollama' ? rtrim($request->validated('ollama_url'), '/') : null,
            'transcription_status' => 'pending',
            'transcription_progress' => 'Queued — waiting to start…',
            'transcription_percent' => 5,
            'transcription_started_at' => now(),
            'transcription_error' => null,
            // Keep the previous transcript until a new run succeeds.
            'transcribed_at' => $recording->transcribed_at,
        ]);

        TranscribeRecording::dispatch($recording->fresh());

        return back()->with('success', 'Transcription started. Progress updates below.');
    }
}