<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class SapFileController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     */
    // public function store(Request $request)
    // {
    //     //
    // }

    public function getSapData(Request $request)
    {

    }

    public function readFiles()
    {

        $path = "/srv/pds.iotsignin.com/www/out/";

        $isDir = is_dir($path);
        $isReadable = is_readable($path);

        if (!$isDir || !$isReadable) {
            return response()->json([
                'status' => 'error',
                'message' => 'Folder not accessible',
                'debug' => [
                    'path_checked' => $path,
                    'is_dir' => $isDir,
                    'is_readable' => $isReadable,
                    'php_user' => get_current_user(),
                ]
            ], 500);
        }

    // Scan folder
    $allFiles = scandir($path);
    if ($allFiles === false) {
        return response()->json([
            'status' => 'error',
            'message' => 'Failed to scan directory',
            'debug' => ['path_checked' => $path]
        ], 500);
    }

    // Filter only .txt files
    $files = array_filter($allFiles, function($file) use ($path) {
        return $file !== '.' && $file !== '..' && is_file($path . $file)
            && pathinfo($file, PATHINFO_EXTENSION) === 'txt';
    });

    if (empty($files)) {
        return response()->json([
            'status' => 'error',
            'message' => 'No text files found',
            'debug' => [
                'scanned_files' => $allFiles
            ]
        ], 404);
    }


         $data = [];
        foreach ($files as $file) {
            $filePath = $path . $file;

            // Read file content safely
            $content = file_get_contents($filePath);

            $data[] = [
                'filename' => $file,
                'content' => $content,
            ];
        }

        return response()->json([
            'status' => 'success',
            'files' => $data,
        ]);
    }


    /**
     * Display the specified resource.
     */
    public function show(string $id)
    {
        //
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(Request $request, string $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(string $id)
    {
        //
    }
}