<?php

namespace App\Services;

use App\Models\Media;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;

/**
 * Service to handle Media-related operations.
 */
class MediaService
{
    /**
     * Store a newly uploaded media file.
     *
     * @param UploadedFile $file The uploaded file object.
     * @return Media The created media model instance.
     */
    public function upload(UploadedFile $file): Media
    {
        $filename = $file->getClientOriginalName();

        // Basic sanitization
        $filename = preg_replace('/[^a-zA-Z0-9.\-_]/', '_', $filename);

        // Ensure unique filename in DB/storage
        $originalFilename = pathinfo($filename, PATHINFO_FILENAME);
        $extension = pathinfo($filename, PATHINFO_EXTENSION);
        $counter = 1;

        while (Storage::disk('public')->exists('media/' . $filename)) {
            $filename = $originalFilename . '-' . $counter . '.' . $extension;
            $counter++;
        }

        $path = $file->storeAs('media', $filename, 'public');

        return Media::create([
            'filename' => $filename,
            'path' => $path,
            'mime_type' => $file->getMimeType(),
            'size' => $file->getSize(),
        ]);
    }

    /**
     * Update the metadata or focal point of a media file.
     *
     * @param int $id The media record ID.
     * @param array $data The data containing focal_x, focal_y, or metadata.
     * @return Media|null The updated media instance or null if not found.
     */
    public function update(int $id, array $data): ?Media
    {
        $media = Media::find($id);

        if ($media) {
            $updateData = [];
            if (isset($data['focal_x'])) $updateData['focal_x'] = $data['focal_x'];
            if (isset($data['focal_y'])) $updateData['focal_y'] = $data['focal_y'];
            if (isset($data['metadata'])) $updateData['metadata'] = $data['metadata'];

            $media->update($updateData);
        }

        return $media;
    }

    /**
     * Update the focal point of a media file.
     *
     * @param int $id The media record ID.
     * @param array $data The data containing focal_x and focal_y.
     * @return Media|null The updated media instance or null if not found.
     * @deprecated Use update instead.
     */
    public function updateFocalPoint(int $id, array $data): ?Media
    {
        return $this->update($id, $data);
    }

    /**
     * Remove the specified media file from storage and database.
     *
     * @param int $id The media record ID.
     * @return bool True if deleted, false if not found.
     */
    public function delete(int $id): bool
    {
        $media = Media::find($id);

        if (!$media) {
            return false;
        }

        if (Storage::disk('public')->exists($media->path)) {
            Storage::disk('public')->delete($media->path);
        }

        return (bool) $media->delete();
    }
}