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Filename : SliderController.php
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<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Models\Slider;
use App\Models\Review;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Str;
use Spatie\Image\Image;
use Illuminate\Support\Facades\File;
use Throwable;

class SliderController extends Controller
{
    public function index(Request $request)
    {
        $sliders = Slider::query();

        // بحث
        if ($request->filled('search_value')) {
            $keyword = $request->input('search_value');
            $sliders->where('slider_title', 'LIKE', "%{$keyword}%");
        }

        $sliders = $sliders->orderBy('id', 'DESC')->paginate(12)->withQueryString();

        return view('pages.sliders.index', compact('sliders'));
    }

    public function create()
    {
        try {
            $reviews = Review::where('status', 1)->orderBy('id', 'DESC')->get();
            return view('pages.sliders.create', compact('reviews'))->with('page_title', 'Add Slider');
        } catch (Throwable $e) {
            report($e);
            \Toastr::error('An unexpected error occurred.');
            return redirect()->route('home');
        }
    }

    public function store(Request $request)
    {
        try {
            $request->validate([
                'slider_type' => 'required|string|in:Review,external',
                'review_id' => 'nullable|required_if:slider_type,Review|exists:reviews,id',
                'slider_title' => 'nullable|required_if:slider_type,external|string|max:150',
                'external_url' => 'nullable|required_if:slider_type,external|string|max:255',
                'slider_file' => 'nullable|required_if:slider_type,external|image|mimes:jpeg,jpg,png|max:2048',
            ]);

            $data = $request->only(['slider_type', 'review_id', 'slider_title', 'external_url']);

            // تصحيح review_id
            if ($data['slider_type'] === 'Review') {
                $data['review_id'] = $request->input('review_id');
            } else {
                $data['review_id'] = null;
            }

            $data['slider_title'] = $request->input('slider_title') ?? '';
            $data['external_url'] = $request->input('external_url') ?? '';

            // رفع الصورة إذا كانت موجودة
            if ($data['slider_type'] === 'external' && $request->hasFile('slider_file')) {
                $image = $request->file('slider_file');
                $imageName = Str::random(10) . '_' . time() . '.' . $image->getClientOriginalExtension();
                $image->move(public_path('images'), $imageName);
                $data['external_image'] = $imageName;
            }

            // منع التكرار
            if ($data['review_id']) {
                $existingSlider = Slider::where('review_id', $data['review_id'])
                    ->where('slider_type', $data['slider_type'])
                    ->where('status', 1)
                    ->first();
                if ($existingSlider) {
                    \Toastr::error('This ' . $data['slider_type'] . ' is already in the slider!');
                    return redirect()->back()->withInput();
                }
            }

            Slider::create($data);

            // تحديث حالة الـ review إذا كان نوعه Review
            if ($data['slider_type'] === 'Review' && $data['review_id']) {
                Review::where('id', $data['review_id'])->update(['set_as_slider' => 1]);
            }

            \Toastr::success('Slider added successfully!');
            return redirect()->route('sliders.index');

        } catch (\Exception $e) {
            Log::error($e->getMessage());
            \Toastr::error('An unexpected error occurred. Please try again.');
            return redirect()->back()->withInput();
        }
    }

    public function edit(Slider $slider)
    {
        $reviews = Review::orderBy('product_title')->get();
        return view('pages.sliders.edit', compact('slider', 'reviews'))->with('page_title', 'Edit Slider');
    }

    /**
     * Update the specified slider in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \App\Models\Slider  $slider
     * @return \Illuminate\Http\RedirectResponse
     */
    public function update(Request $request, Slider $slider)
    {
        try {
            $request->validate([
                'slider_type' => 'required|string|in:Review,external',
                'review_id' => 'nullable|required_if:slider_type,Review|exists:reviews,id',
                'slider_title' => 'nullable|required_if:slider_type,external|string|max:150',
                'external_url' => 'nullable|required_if:slider_type,external|string|max:255',
                'slider_file' => 'nullable|image|mimes:jpeg,jpg,png|max:2048', // File is not required on update
            ]);

            $data = $request->only(['slider_type', 'review_id', 'slider_title', 'external_url']);

            // Map review_id
            if ($data['slider_type'] === 'Review') {
                $data['review_id'] = $request->input('review_id');
            } else {
                $data['review_id'] = null;
            }

            // Upload and handle image if it exists
            if ($data['slider_type'] === 'external' && $request->hasFile('slider_file')) {
                // Delete old image files
                if ($slider->external_image) {
                    File::delete(public_path('images/' . $slider->external_image));
                }

                $image = $request->file('slider_file');
                $imageName = Str::random(10) . '_' . time() . '.' . $image->getClientOriginalExtension();
                $image->move(public_path('images'), $imageName);
                $data['external_image'] = $imageName;
            }

            // Update the slider record
            $slider->update($data);

            \Toastr::success('Slider updated successfully!');
            return redirect()->route('sliders.index');

        } catch (\Exception $e) {
            Log::error($e->getMessage());
            \Toastr::error('An unexpected error occurred. Please try again.');
            return redirect()->back()->withInput();
        }
    }

    /**
     * Remove the specified slider from storage.
     *
     * @param  \App\Models\Slider  $slider
     * @return \Illuminate\Http\RedirectResponse
     */
    public function destroy(Slider $slider)
    {
        try {
            // Delete associated image if it exists
            if ($slider->external_image) {
                File::delete(public_path('images/' . $slider->external_image));
            }

            // Delete the slider record
            $slider->delete();

            \Toastr::success('Slider deleted successfully!');
            return redirect()->back();

        } catch (\Exception $e) {
            Log::error($e->getMessage());
            \Toastr::error('An unexpected error occurred. Please try again.');
            return redirect()->back();
        }
    }
}