<?php

namespace App\Http\Controllers;

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

class AdminTimetableController extends Controller
{
    public function index()
    {
        if (!session()->has('admin_id')) {
            return redirect()->route('admin.login')->with('error', 'Please login first.');
        }

    
        $allTimetables = Timetable::all();

      
        $grid = [];
        foreach ($allTimetables as $item) {
            $grid[$item->time_slot][$item->day] = $item;
        }

        $days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'];
        
         
        $timeSlots = [
            '08:30 - 10:30',
            '10:45 - 12:30',
            '12:30 - 01:30', // Lunch / Rest Time
            '01:30 - 03:30'
        ];

        // Today's Day Name
        $today = Carbon::now()->format('l'); 
        $todaySchedule = Timetable::where('day', $today)->get();

        return view('admin.admintimetable', compact('allTimetables', 'days', 'timeSlots', 'grid', 'todaySchedule', 'today'));
    }
  
    public function store(Request $request)
    {
        $request->validate([
            'time_slot'    => 'required|string',
            'day'          => 'required|string',
            'subject_name' => 'required|string|max:255',
            'type'         => 'required|string',
        ]);

        
        Timetable::updateOrCreate(
            [
                'day'       => $request->day,
                'time_slot' => $request->time_slot,
            ],
            [
                'subject_name' => $request->subject_name,
                'type'         => $request->type,
            ]
        );

        return redirect()->back()->with('success', 'Timetable saved successfully!');
    }
    
    // Delete Single Slot
    public function destroy($id)
    {
        $timetable = Timetable::findOrFail($id);
        $timetable->delete();

        return redirect()->back()->with('success', 'Timetable slot cleared successfully!');
    }
}