<?php

namespace Modules\Document\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Str;
use Modules\CCMS\Models\Country;
use Modules\Document\Models\Document;
use Modules\CCMS\Models\Service;
use Modules\CCMS\Models\Test;
use Modules\Document\Services\DocumentService;
use Yajra\DataTables\Facades\DataTables;
use Illuminate\Support\Facades\Validator;


class DocumentController extends Controller
{
    protected $documentService;

    public function __construct(DocumentService $documentService)
    {
        $this->documentService = $documentService;
    }

    public function index()
    {
        $title = 'Upload Documents';
        $countryOptions = Country::whereNull('parent_id')->pluck('title', 'id')->mapWithKeys(fn($title, $id) => ["Country:$id" => "Country - $title"]);
        $serviceOptions = Service::whereNull('parent_id')->pluck('title', 'id')->mapWithKeys(fn($title, $id) => ["Service:$id" => "Service - $title"]);
        $testOptions = Test::whereNull('parent_id')->pluck('title', 'id')->mapWithKeys(fn($title, $id) => ["Test:$id" => "Test - $title"]);

        $modelOptions = $countryOptions->merge($serviceOptions)->merge($testOptions);

        return view('document::document.index', compact('modelOptions', 'title'));
    }


    public function destroy($id)
    {
        try {
            $document = Document::findOrFail($id);
            if (File::exists('storage/' . $document->document_path)) {
                File::delete('storage/' . $document->document_path);
            }

            $document->delete();

            session()->flash('Document Deleted');
            return response()->json(['status' => true, 'msg' => 'Document Deleted']);
            
        } catch (\Throwable $th) {
            session()->flash('error', $th->getMessage());
        }

    }

    public function uploadDocument(Request $request)
    {
        $isNumeric = is_numeric($request->title);

        $validator = Validator::make($request->all(), [
            'title' => $isNumeric ? 'required|exists:required_documents,id' : 'required|string',
            'model' => 'required',
            'document' => 'required|array',
        ], [
            'title.required' => 'Document title is required!',
            'title.exists' => 'Document does not exists in record!',
            'document' => 'Please upload document first!',
            'model' => 'Please Select Category'
        ]);

        if ($validator->fails()) {
            return response()->json(['status' => 422, 'errors' => $validator->errors()], 422);
        }

        try {

            $modelValues = explode(':', $request->model);
            $modelClass = "Modules\\CCMS\\Models\\{$modelValues[0]}";

            $model = $modelClass::findOrFail($modelValues[1]);


            foreach ($request->input('document', []) as $file) {
                $model->addToDocumentCollection(collectionName: 'uploads/document', file: $file, documentName: $request->title, referenceDocumentId: null);
            }

            return response()->json([
                'status' => true,
                'msg' => 'Document has been uploaded!',
                // 'view' => view('student::student.section.document.table', [
                //     'student' => $student,
                // ])->render(),
            ], 200);
        } catch (\Throwable $th) {
            return response()->json([
                'status' => false,
                'msg' => $th->getMessage(),
            ], 500);
        }
    }

     public function store(Request $request)
    {
        $path = storage_path('tmp/uploads');

        if (!file_exists($path)) {
            mkdir($path, 0777, true);
        }

        $file = $request->file('file');

        $name = uniqid() . '_' . trim($file->getClientOriginalName());

        $file->move($path, $name);

        return response()->json([
            'name' => $name,
            'original_name' => $file->getClientOriginalName(),
        ]);
    }

    public function getAllDocuments()
    {
        $model = Document::query()->latest();
        return DataTables::eloquent($model)
            ->setRowClass('tableRow')
            ->addColumn('name', function (Document $document) {
                $extension = $document->getExtension();
                $assetUrl = $document->getUrl();
                $html = $document->isImageFile()
                    ? "<div class='flex-shrink-0'>
                    <div class='avatar-sm bg-light rounded p-1'>
                        <a href='{$assetUrl}' data-fancybox='gallery' data-caption='{$document->title}'>
                            <img src='{$assetUrl}' alt='' class='avatar-sm img-fluid d-block'>
                        </a>
                    </div>
                  </div>"
                    : "<div class='flex-shrink-0'>
                    <div class='avatar-sm'>
                            <a href='{$assetUrl}' data-fancybox='gallery' data-caption='{$document->title}'>
                            <div class='avatar-title bg-" . getFileIcon($extension)[1] . "-subtle text-" . getFileIcon($extension)[1] . " fs-20 material-shadow rounded'>
                                <i class='" . getFileIcon($extension)[0] . "'></i>
                            </div>
                        </a>
                    </div>
                  </div>";

                return "<div class='d-flex align-items-center'>
                            {$html} <div class='flex-grow-1 ms-3'>
                            <h6 class='fs-12 mb-0'>{$document->title}</h6>
                        </div>
                    </div>";
            })
            ->addColumn('type', function (Document $document) {
                return $document->getExtension();
            })
            ->addColumn('size', function (Document $document) {
                return $document->getSize();
            })
            ->editColumn('created_at', function (Document $document) {
                return getFormatted($document->created_at);
            })
            ->addColumn('action', function (Document $document) {
                return view('document::document.partials.action', ['document' => $document]);
            })
            ->rawColumns(['action', 'name', 'size'])
            ->toJson();
    }

    public function reorder(Request $request)
    {
        Document::chunkById(100, function (Collection $documents) use ($request) {
            foreach ($documents as $document) {
                foreach ($request->order as $order) {
                    if ($order['id'] == $document->id) {
                        $document->update(['order' => $order['position']]);
                    }
                }
            }
        });

        return response(['status' => true, 'message' => 'Reordered successfully'], 200);
    }
}