<?php

namespace App\Http\Controllers\User;

use App\Http\Controllers\Controller;
use App\Models\TranscriptVersion;
use App\Models\TranscriptionProject;
use App\Services\AuditLogService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Support\Facades\Auth;
use Illuminate\View\View;

class TranscriptVersionController extends Controller
{
    public function index(TranscriptionProject $project): View
    {
        $this->authorize('viewVersionHistory', $project);

        $versions = $project->transcriptVersions()
            ->with('editor')
            ->orderByDesc('version_number')
            ->paginate(20);

        return view('user.projects.versions', compact('project', 'versions'));
    }

    public function restore(
        TranscriptionProject $project,
        TranscriptVersion $version,
        AuditLogService $audit
    ): RedirectResponse {
        $this->authorize('restoreVersion', $project);

        // Pastikan versi ini milik projek ini
        abort_if($version->project_id !== $project->id, 404);

        $oldText     = $project->transcript_text;
        $nextVersion = ($project->transcriptVersions()->max('version_number') ?? 0) + 1;

        TranscriptVersion::create([
            'project_id'     => $project->id,
            'edited_by'      => Auth::id(),
            'version_number' => $nextVersion,
            'old_text'       => $oldText,
            'new_text'       => $version->new_text,
            'change_summary' => "Dipulihkan dari versi {$version->version_number}",
            'created_at'     => now(),
        ]);

        $project->update([
            'transcript_text'      => $version->new_text,
            'transcription_status' => 'completed',
        ]);

        $audit->log('transcript_version_restored', [
            'project_id' => $project->id,
            'new_values' => [
                'restored_from_version' => $version->version_number,
                'new_version'           => $nextVersion,
            ],
        ]);

        return redirect()
            ->route('user.projects.show', $project)
            ->with('success', "Versi {$version->version_number} berjaya dipulihkan.");
    }
}