<?php

namespace App\Http\Controllers\admin;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Models\Banner;
use Illuminate\Database\QueryException;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Str;

class BannerController extends Controller
{
    public function index()
    {
        if(Auth::check())
        {
            $result['data']=Banner::orderBy('display_num', 'asc')->get();
            return view('admin.banner' , $result);
        }
        else
        {
            return redirect('login')->withErrors(['error' => 'Access denied. Please log in to continue.']);
        }
    }
    public function add_banner(Request $request , $id='')
    {
        if($id > 0)
        {
            $arr=Banner::Where(['banner_slug'=>$id])->get();
            $result['banner_title']=$arr['0']->banner_title;
            $result['banner_des']=$arr['0']->banner_des;
            $result['banner_img']=$arr['0']->banner_img;
            $result['display_num']=$arr['0']->display_num;
            $result['id']=$arr['0']->id;
        }
        else
        {
            $result['banner_title']='';
            $result['banner_des']='';
            $result['banner_img']='';
            $result['display_num']='';
            $result['id']=0;
        }
        return view('admin.add_banner', $result);
    }
    public function add_banner_process(Request $request)
    {
        $request->validate([
            'banner_title'=>'required',
            'banner_des'=>'required',
            'display_num'=>'required',
            'banner_img' => $request->post('id') == 0 ? 'required|mimes:jpeg,png,jpg,gif' : '',
        ]);
        

        if($request->post('id') > 0)
        {
            $banner=Banner::find($request->post('id'));
            $msg="Banner Image updated.";
        }
        else
        {
            $banner = new Banner ;
            $msg="Banner Image inserted.";
        }

        try 
        {
            $oldImage = $banner->banner_img;
            $banner->banner_title=$request->post('banner_title');
            $banner->banner_des=$request->post('banner_des');
            $banner->display_num=$request->post('display_num');
            $slug = Str::slug($request->post('display_num'),'-');
            $banner->banner_slug =  $slug ;
            
            if ($image = $request->file('banner_img')) 
            {
                $destinationPath = 'bannerImage/';
                $profileImage = date('YmdHis') . "." . $image->getClientOriginalExtension();
                $image->move($destinationPath, $profileImage);
                $banner->banner_img = $profileImage;
                if ($oldImage && $oldImage !== $banner->banner_img) {
                    $oldImagePath = public_path('bannerImage/' . $oldImage);
                    if (file_exists($oldImagePath)) {
                        unlink($oldImagePath);
                    }
                }
            }
            else{
                unset($banner->banner_img);
            }
            $banner->isActive=1;
            $banner->save();

            
            $request->session()->flash('message', $msg);
            return redirect('admin/banner');
        
        } catch (QueryException $exception) {
            return redirect()->back()->withErrors(['display_num' => 'Display Number already exists.']);
        }

           
    }

    public function delete($id)
    {
        $banner=Banner::find($id);
        if ($banner != null) {
            $fileToDelete = public_path('bannerImage/' . $banner->banner_img);
            if (File::exists($fileToDelete)) {
                File::delete($fileToDelete);
            }
            $banner->delete();
            return redirect()->back()->with(['error' => 'Banner Image Deleted...']);
        }
    }

    public function isactive($isactive , $id)
    {
        $banner=Banner::find($id);
        $banner->isActive=$isactive;
        $banner->save();
        return redirect()->back()->with(['success' => 'Banner Image status updated...']);
    }

}