<?php

namespace App\Http\Controllers\Legacy;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Storage;

class AvatarController extends Controller
{
    public function show(Request $request, $id, $name = null)
    {
        $user_id = (int) $id;

        // default avatar in project public gfx
        $defaultAvatar = public_path('gfx/avatar.jpg');

        try {
            $icon = DB::table('users')->where('user_id', $user_id)->value('icon');
        } catch (\Throwable $e) {
            $icon = null;
        }

        $candidates = [];
        if (!empty($icon)) {
            // common legacy locations to check
            $candidates[] = base_path('oldSite/www/files/usericons/' . $icon);
            $candidates[] = base_path('oldSite/www/files/usericons/' . rawurlencode($icon));
            $candidates[] = base_path('oldSite/www/files/usericons/' . basename($icon));
            $candidates[] = public_path('avatar/' . $user_id . '/' . $icon);
            $candidates[] = public_path('avatar/' . $user_id . '/' . basename($icon));
            $candidates[] = storage_path('app/public/usericons/' . $icon);
            $candidates[] = storage_path('app/public/usericons/' . basename($icon));
        }

        // find first readable file
        $found = null;
        foreach ($candidates as $path) {
            if ($path && file_exists($path) && is_readable($path)) {
                $found = $path;
                break;
            }
        }

        if ($found) {
            $type = @exif_imagetype($found);
            if ($type) {
                $mime = image_type_to_mime_type($type);
            } else {
                $f = finfo_open(FILEINFO_MIME_TYPE);
                $mime = finfo_file($f, $found) ?: 'application/octet-stream';
                finfo_close($f);
            }

            return response()->file($found, ['Content-Type' => $mime]);
        }

        // fallback to default
        if (file_exists($defaultAvatar) && is_readable($defaultAvatar)) {
            return response()->file($defaultAvatar, ['Content-Type' => 'image/jpeg']);
        }

        // final fallback: 404
        abort(404);
    }
}