<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\Timetable;
use Carbon\Carbon;

class TimetableController extends Controller
{
    public function index()
    {
        $studentLogId = session('student_log_id') ?? session('student_id');

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

        // DB එකේ නැති student_log_id සහ sort_order query එකෙන් ඉවත් කර ඇත
        $rawTimetables = Timetable::all();

        $schedule = [];
        $timeSlots = [];

        foreach ($rawTimetables as $item) {
            if (!in_array($item->time_slot, $timeSlots)) {
                $timeSlots[] = $item->time_slot;
            }
            $schedule[$item->time_slot][$item->day] = $item;
        }

        // Today's Schedule (දැනට ඇති columns වලින් පමණක් Filter කර ඇත)
        $todayName = Carbon::now()->format('l'); 
        $todaySchedule = Timetable::where('day', $todayName)
                            ->where('type', '!=', 'Break')
                            ->get();

        $days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'];

        return view('timetable', compact('schedule', 'timeSlots', 'days', 'todaySchedule', 'todayName'));
    }
}