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<?php


namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use App\Models\Course;
use App\Models\Category;
use Validator;
use Illuminate\Support\Facades\Session;

class CourseController extends Controller
{

    public function __construct(){
		$this->middleware('auth:admin');
	}

    public function index()
    {
       $categories = Category::where('status', 1)->get();
    //    $courses = Course::where('course_status', 1)->get();
       $courses = Course::where('course_status', 1)->paginate(10); 
       return view('admin.courses.index', ['courses'=>$courses,'categories'=>$categories]);
     
    }

    public function create($id)
    {
        $categories = Category::where('status', 1)->get();

        return view('admin.courses.create', compact('categories'));
    }
 
    public function store(Request $request)
    {

        $categories = Category::all();
        // $request->validate([
        //     // 'parent_id' => 'required|exists:categories,id',
        //     'course_name' => 'required|string|max:255',
        //     'study_level' => 'required|string|max:255',
        //     'course_code' => 'required|string|max:50',
        //     // 'fees' => 'required|numeric',
        //     'durations' => 'required|string|max:255',
        //     'requirement' => 'nullable|string',
        //     'will_learn' => 'nullable|string',
        //     'topics_covered' => 'nullable|string',
        //     'assessment_type' => 'nullable|string|max:255',
        //     'entry_requirement' => 'nullable|string',
        //     'career_opportunities' => 'nullable|string',
        //     'course_status' => 'required|string|max:50',
        //     'pr_leading' => 'nullable|string|max:255',
        //     'visa_extension' => 'boolean',
        // ]);


        	/* define rules */
		$rules = [
			  'parent_id' => 'required',
              'course_name'=>'required|unique:courses|max:255',       
              'study_level' => 'required|string|max:255',
              'course_code' => 'required|string|max:50',
              // 'fees' => 'required|numeric',
              'durations' => 'required|string|max:255',
              'requirement' => 'required|string',
              'will_learn' => 'required|string',
              'topics_covered' => 'required|string',
              'assessment_type' => 'required|string|max:255',
              'entry_requirement' => 'required|string',
              'career_opportunities' => 'required|string',
              'course_status' => 'required|string|max:50',
              'pr_leading' => 'required|string|max:255',
              'visa_extension' => 'boolean',
		];	
	
		$validator = Validator::make($request->all(), $rules);
		/* If validation fails */
		if ($validator->fails()) {
            Session::flash('errorType', 'add');
			return redirect()->route('admin.courses')
							->withErrors($validator)
							->withInput(); // To repopulate the form fields with the old input
		}
		

        // Course::create([
        //     'parent_id' => $request->input('parent_id'),
        //     'course_name' => $request->input('course_name'),
        //     'study_level' => $request->input('study_level'),
        //     'course_code' => $request->input('course_code'),
        //     'fees' => $request->input('fees'),
        //     'durations' => $request->input('durations'),
        //     'requirement' => $request->input('requirement'),
        //     'will_learn' => $request->input('will_learn'),
        //     'topics_covered' => $request->input('topics_covered'),
        //     'assessment_type' => $request->input('assessment_type'),
        //     'entry_requirement' => $request->input('entry_requirement'),
        //     'career_opportunities' => $request->input('career_opportunities'),
        //     'course_status' => $request->input('course_status'),
        //     'pr_leading' => $request->input('pr_leading'),
        //     'visa_extension' => $request->input('visa_extension', false),
        // ]);


        $data = new Course;
		$data->parent_id = $request->parent_id;
		$data->course_name = $request->course_name;
        $data->study_level = $request->study_level;
		$data->course_code = $request->course_code;
        $data->fees = $request->fees;
		$data->durations = $request->durations;
        $data->requirement = $request->requirement;
		$data->will_learn = $request->will_learn;
        $data->topics_covered = $request->topics_covered;
		$data->assessment_type = $request->assessment_type;
        $data->entry_requirement = $request->entry_requirement;
		$data->career_opportunities = $request->career_opportunities;
        $data->course_status = $request->course_status;
        $data->pr_leading = $request->pr_leading;
		$data->visa_extension = $request->visa_extension;
      //  $Categoryname = Category::where('parent_id', $request->input('parent_id'))->get()->name;
        // $course=Course::find($id);
        // return redirect()->route('admin.editcategory',$course->parent_id);

        if($data->save()){
        $categories = Category::all();
        $courses = Course::all();
        
		return redirect()->route('admin.courses',['categories'=>$categories])->with('add_success', 'Course details are saved successfully.');
        }

        return redirect()->route('admin.courses.index')->withErrors(['Something went wrong. Please try again']);
		
    
    }


    // public function deleteCourse($id)
    // {   
    //     $course=Course::findOrFail($id);
    //     Course::findOrFail($id)->delete();
    //     return redirect()->route('admin.courses')->with('del_success', 'Category deleted successfully.');		

    // }


    public function deleteCourse($id)
    {   
        Course::where('id', $id)
		->update([
			
			'course_status' => 0,
 
		 ]);
        return redirect()->route('admin.courses')->with('del_success', 'Category deleted successfully.');		

    }
    

    public function editCourse($id)
    {   $categories = Category::all();
        $course = Course::findOrFail($id);

        return view('admin.courses.edit',['course' => $course, 'categories'=>$categories]);
    }

public function updateCourse(Request $request)
{    
    $categories = Category::all();  
	$course = Course::findOrFail($request->id);  
	
	$title_rule=($request->course_name==$course->course_name)?'required|max:255':'required|unique:courses|max:255';  	
	
        /* define rules */
    $rules = [
          'parent_id' => 'required',
          'course_name' => $title_rule,		
          'study_level' => 'required|string|max:255',
          'course_code' => 'required|string|max:50',
          // 'fees' => 'required|numeric',
          'durations' => 'required|string|max:255',
        //   'requirement' => 'required|string',
        //   'will_learn' => 'required|string',
        //   'topics_covered' => 'required|string',
        //   'assessment_type' => 'required|string|max:255',
        //   'entry_requirement' => 'required|string',
        //   'career_opportunities' => 'required|string',
          'course_status' => 'required|string|max:50',
          'pr_leading' => 'required|string|max:255',
          'visa_extension' => 'boolean',
    ];	

    $validator = Validator::make($request->all(), $rules);
    /* If validation fails */
    if ($validator->fails()) {
        Session::flash('errorType', 'edit');
        Session::flash('id', $request->id);
        return redirect()->route('admin.courses')
                        ->withErrors($validator)
                        ->withInput(); // To repopulate the form fields with the old input
    }


    Course::where('id', $request->id)
       ->update([
        'parent_id' => $request->parent_id,
		'course_name' => $request->course_name,
        'study_level' => $request->study_level,
		'course_code' => $request->course_code,
        'fees' => $request->fees,
		'durations' => $request->durations,
        'requirement' => $request->requirement,
		'will_learn' => $request->will_learn,
        'topics_covered' => $request->topics_covered,
		'assessment_type' => $request->assessment_type,
        'entry_requirement' => $request->entry_requirement,
		'career_opportunities' => $request->career_opportunities,
        'course_status' => $request->course_status,
        'pr_leading' => $request->pr_leading,
		'visa_extension' => $request->visa_extension,  		
        ]);
		
		return redirect()->route('admin.courses',['categories'=>$categories])->with('edit_success', 'Course details are updated successfully.');       
		
    
}

// Search courses
public function search_data1(Request $request)
    {

        $data = $request->input('search');  
        $courses = DB::table('courses')->where('course_name', 'like', '%'.$data.'%')
        ->orWhere('course_code', 'like', '%'.$data.'%')
        ->paginate(10);

        $categories = Category::all();
        return view('admin.courses.index', compact('courses', 'categories'));

    }


    public function multiChangestatus1(Request $request) {
    
        $courseIds = $request->input('course_ids');
    
        
        Course::whereIn('id', $courseIds)->update(['course_status' => 0]);
    
        
        return response()->json(['success' => true, 'message' => 'Status updated successfully']);
    }



}