<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Auth;

class MyCoursesController extends Controller
{
    public function showMyCourses()
    {
         
        $userId = session('student_portal_log_id') 
               ?? session('student_id') 
               ?? session('id') 
               ?? Auth::id();

         
        $student = DB::table('student_details')
            ->where('student_portal_log_id', $userId)
            ->orWhere('id', $userId)
            ->orWhere('student_id', $userId)
            ->first();

   
        if (!$student) {
            return view('mycourse', [
                'courses' => collect([]),
                'student' => null
            ]);
        }

       
        $courses = DB::table('courses')
            ->join('course_assign_student', 'courses.id', '=', 'course_assign_student.course_id')
            ->whereIn('course_assign_student.student_id', [
                $student->id, 
                $student->student_id, 
                $student->student_portal_log_id
            ])
            ->select('courses.*', 'course_assign_student.assigned_at')
            ->distinct()
            ->get();

        return view('mycourse', compact('courses', 'student'));
    }


      public function showModule($course_id)
        {
            $course = DB::table('courses')->where('id', $course_id)->first();

            if (!$course) {
                abort(404, 'Course not found');
            }

            $modules = DB::table('modules')
                ->where('course_id', $course_id)
                ->get();

            return view('module', compact('course', 'modules'));
        }
        
}