@extends('dashboard.master')

@section('title', 'Result Create')

@push('css')
<link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.13/css/select2.min.css" rel="stylesheet" />
<style>
.select2-container--default .select2-selection--single {
    height: calc(2.25rem + 2px);
    line-height: calc(2.25rem + 2px);
}

.select2-container--default .select2-selection__rendered {
    padding-top: 0.375rem;
    padding-bottom: 0.375rem;
}
</style>
@endpush

@section('content')
<div class="content-wrapper">
    <div class="content-header">
        <div class="container-fluid">
            <div class="page-title-wrapper">
                <div class="page-title-heading">
                    <div class="page-title-icon">
                        <i class="nav-icon fas fa-mosque"></i>
                    </div>
                    <span><b>Result Create</b></span>
                </div>

                <div class="page-title-actions">
                    <a title="Back" href="{{ url()->previous() }}" class="btn btn-sm btn-dark">
                        <i class="fas fa-arrow-left mr-1"></i> Back
                    </a>
                </div>
            </div>
        </div>
    </div>

    <section class="content">
        <div class="container-fluid">
            <div class="card">
                <form class="forms-sample add-class" enctype="multipart/form-data" action="{{ route('result.store') }}" method="POST">
                    @csrf
                    <div class="card-body">
                        <div class="row">

                            <div class="col-md-6">
                                <div class="form-group">
                                    <label for="">Exam <span class="text-danger">*</span></label>
                                    <select name="exam_id" id="exam_id" class="form-control">
                                        <option value="">Select One</option>
                                        @foreach ($exams as $exam)
                                        <option value="{{ $exam->id }}">{{ $exam->name }}</option>
                                        @endforeach
                                    </select>
                                </div>
                            </div>

                            <div class="col-md-6">
                                <div class="form-group">
                                    <label for="">Class <span class="text-danger">*</span></label>
                                    <select name="class_id" id="class_id" class="form-control">
                                        <option value="">Select Class</option>
                                        @foreach ($class as $item)
                                        <option value="{{ $item->id }}">{{ $item->name }}</option>
                                        @endforeach
                                    </select>
                                </div>
                            </div>

                            <div class="col-md-6">
                                <div class="form-group">
                                    <label for="">Session <span class="text-danger">*</span></label>
                                    <select name="session_id" id="session_id" class="form-control">
                                        <option value="">Select Session</option>
                                        @foreach ($sessions as $item)
                                        <option value="{{ $item->id }}">{{ $item->name ?? '' }}</option>
                                        @endforeach
                                    </select>
                                </div>
                            </div>

                            <div class="col-md-6">
                                <div class="form-group">
                                    <label for="">Student <span class="text-danger">*</span></label>
                                    <select name="student_id" id="student_id" class="form-control select2">
                                        <option value="">Select One</option>
                                    </select>
                                </div>
                            </div>

                        </div>

                        <hr>
                        <div class="table-responsive hideClass">
                            <table class="table table-bordered table-striped table-hover">
                                <thead>
                                    <tr>
                                        <th>#</th>
                                        <th>Subject</th>
                                        <th>Subject Marks</th>
                                        <th>Marks</th>
                                    </tr>
                                </thead>
                                <tbody id="student_data"></tbody>
                            </table>
                        </div>

                        <div class="row mt-3 hideClass">
                            <div class="col-sm-12">
                                <button type="submit" class="btn btn-primary">Save</button>
                            </div>
                        </div>

                    </div>
                </form>
            </div>
        </div>
    </section>
</div>
@endsection

@push('js')
<script src="{{ asset('backend/plugins/select2/js/select2.full.min.js') }}"></script>
<script>
$(document).ready(function () {
    $('.hideClass').hide();
    $('#student_id').select2();

    $('#class_id, #exam_id, #session_id').on('change', function () {
        $('#student_id').empty().append('<option value="">Select Student</option>');
        $('.hideClass').hide();

        var class_id = $('#class_id').val();
        var exam_id = $('#exam_id').val();
        var session_id = $('#session_id').val();
        var _token = $('meta[name="csrf-token"]').attr('content');

        if (class_id && exam_id && session_id) {
            $.ajax({
                url: "{{ route('admit.wise.student') }}",
                type: "POST",
                data: {
                    class_id: class_id,
                    exam_id: exam_id,
                    session_id: session_id,
                    _token: _token,
                },
                success: function (response) {
                    if (response.length > 0) {
                        $.each(response, function (index, item) {
                            if (item.students) {
                                $('#student_id').append(
                                    '<option value="' + item.students.id + '">' + item.students.name + ' || ' + item.students.register_no + ' || ' + item.students.roll_no + '</option>'
                                );
                            }
                        });
                    } else {
                        alert('No students with Admit Card found.');
                    }
                },
                error: function () {
                    alert('Failed to fetch students.');
                }
            });
        }
    });

    $('#student_id').on('change', function () {

        var _token = $('meta[name="csrf-token"]').attr('content');
        var class_id = $('#class_id').val();
        var session_id = $('#session_id').val();
        var student_id = $(this).val();
        var exam_id = $('#exam_id').val();

        $.ajax({
            url: "{{ route('result.wise.student') }}",
            type: "POST",
            data: {
                exam_id: exam_id,
                session_id: session_id,
                class_id: class_id,
                student_id: student_id,
                _token: _token,
            },
            success: function (response) {
                if (response) {
                    alert('Result already exists for this student.');
                    $('.add-class')[0].reset();
                    location.reload();
                    $('.hideClass').hide();
                } else {
                    $.ajax({
                        url: "{{ route('class.wise.subject') }}",
                        type: "POST",
                        data: {
                            class_id: class_id,
                            session_id: session_id,
                            exam_id: exam_id,

                            _token: _token,
                        },
                        success: function (res) {
                            console.log('res ', res);
                            if (res.html && res.html.trim() !== "") {
                                $('#student_data').html(res.html);
                                $('.hideClass').show();
                            } else {
                                alert('No subjects found for this class.');
                            }
                        },
                        error: function () {
                            alert('Error fetching subjects.');
                        }
                    });
                }
            },
            error: function () {
                alert('Error checking existing result.');
            }
        });
    });
});


$(document).on('input', 'input[name="mark[]"]', function () {
        var $input = $(this);
        var key = $input.closest('tr').find('#subjectMark').data('key');
        var maxMark = parseFloat($('#subjectMark[data-key="' + key + '"]').text());

        var inputVal = parseFloat($input.val());
        if (inputVal > maxMark) {
            $input.val(maxMark);
            alert('Mark cannot exceed ' + maxMark);
        }
    });
</script>
@endpush