<?php

namespace App\Http\Controllers;

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

class StudentPortalController extends Controller
{
     
    public function studentlogin(Request $request)
        {
                
                $request->validate([
                    'username' => 'required|string',
                    'password' => 'required|string',
                    'pin'      => 'required|numeric',
                ]);

                
                $student = DB::table('student_portal_logs')
                            ->where('email', $request->username) 
                            ->orWhere('studentid', $request->username)
                            ->first();

                
                if ($student && Hash::check($request->password, $student->password) && $student->pin == $request->pin) {
                    
                    if ($student->status !== 'active' && $student->status !== '' && !is_null($student->status)) {
                        return redirect()->back()->with('error', 'Your account is inactive!');
                    }

                
                    $request->session()->put('student_id', $student->studentid);
                    $request->session()->put('student_log_id', $student->id ?? null);
                    
                    $name = trim(($student->first_name ?? '') . ' ' . ($student->last_name ?? ''));
                    $request->session()->put('student_name', $name ?: ($student->email ?? $student->studentid));

                    return redirect()->route('student.portal')->with('success', 'Logged in successfully!');
                }

                return redirect()->back()->with('error', 'Invalid Email/Username, Password, or PIN!');
        }

    public function showProfile(Request $request)
        {
            
            $log_id = $request->session()->get('student_log_id');
            $student_code = $request->session()->get('student_id');

            if (!$log_id && !$student_code) {
                return redirect('/')->with('error', 'Please login first!');
            }

           
            $student = DB::table('student_details')
                ->where(function ($query) use ($log_id, $student_code) {
                    if ($log_id) {
                        $query->where('student_portal_log_id', $log_id);
                    }
                    if ($student_code) {
                        
                        if ($log_id) {
                            $query->orWhere('student_id', $student_code);
                        } else {
                            $query->where('student_id', $student_code);
                        }
                    }
                })
                ->first();

           
            if (!$student) {
                return redirect()->route('student.portal')->with('error', 'Student details not found in database!');
            }

           
            return view('StudentProfile', compact('student'));
        }

    public function studentlogout(Request $request)
        {
            $request->session()->forget(['student_id', 'student_log_id', 'student_name']);
            $request->session()->invalidate();
            $request->session()->regenerateToken();

            return response()->json(['success' => true]);
        }

    
}