<?php

namespace App\Http\Controllers;

use App\Http\Requests\SubjectTeacherPostRequest;
use App\Models\Subject;
use App\Models\Teacher;
use Illuminate\Http\RedirectResponse;
use Illuminate\View\View;

class SubjectTeacherController extends Controller
{
    public function create(Teacher $teacher): View
    {
        return view('subject-teacher.create', [
            'teacher' => $teacher,
            'subjects' => Subject::all(),
        ]);
    }

    public function store(SubjectTeacherPostRequest $request, Teacher $teacher): RedirectResponse
    {
        $teacher->subjects()->syncWithoutDetaching($request->subject_id);

        return redirect()->route('teachers.show', $teacher);
    }

    public function show(Teacher $teacher, Subject $subject): View
    {
        return view('subject-teacher.show', [
            'teacher' => $teacher,
            'subject' => $subject,
            'grades' => $teacher
                ->grades()
                ->join('grade_subject', 'grades.id', '=', 'grade_subject.grade_id')
                ->where('subject_id', $subject->id)->get(),
        ]);
    }

    public function edit(Teacher $teacher, Subject $subject): View
    {
        return view('subject-teacher.edit', [
            'teacher' => $teacher,
            'updateSubject' => $subject,
            'subjects' => Subject::all(),
        ]);
    }

    public function update(SubjectTeacherPostRequest $request, Teacher $teacher, Subject $subject): RedirectResponse
    {
        $teacher->subjects()->detach($subject);
        $teacher->subjects()->attach($request->subject_id);

        return redirect()->route('teachers.show', $teacher);
    }

    public function destroy(Teacher $teacher, Subject $subject): RedirectResponse
    {
        $teacher->subjects()->detach($subject);

        return redirect()->route('teachers.show', $teacher);
    }
}