@extends('layouts.app', ['class' => 'g-sidenav-show bg-gray-100'])
@if ($errors->any())
    <div class="alert alert-danger">
        <ul>
            @foreach ($errors->all() as $error)
                <li>{{ $error }}</li>
            @endforeach
        </ul>
    </div>
@endif
@section('content')
    @include('layouts.navbars.auth.topnav', ['title' => 'Promotion Class'])

    <div class="row mt-4 mx-4">
        <div class="col-12">
            <!-- Promotion Form -->
            <div class="card mb-4">
                <div class="card-body">
                    <form  method="POST">
                        @csrf
                        <div class="row">
                            <div class="col-md-4">
                                <div class="form-group">

                                    <label for="cms_class_sid" class="form-control-label">Class</label>
                                    <select class="form-control select2" name="from_class" id="from_class" @if($class) disabled @endif>
                                        @foreach($class as $data)
                                            <option value="{{ $data->cms_class_sid }}"
                                                {{ old('cms_class_sid', $classes->cms_class_sid ?? '') == $data->cms_class_sid ? 'selected' : '' }}>
                                                {{ $data->class_name }}
                                            </option>
                                        @endforeach
                                    </select>
                                    @error('from_class')
                                    <small class="text-danger">{{ $message }}</small>
                                @enderror
                                </div>
                            </div>
                            <!-- From Year -->
                            <div class="col-md-4">
                                <label for="from_year" class="form-label">From Year</label>
                                <select name="from_year" id="from_year" class="form-select" disabled >
                                    @foreach($year as $y)
                                        <option value="{{ $y->cms_year_sid }}">{{ $y->year }}</option>
                                    @endforeach
                                </select>
                                @error('from_year')
                                <small class="text-danger">{{ $message }}</small>
                            @enderror
                            </div>

                            <div class="col-md-4">
                                <label for="from_sem" class="form-label">From Sem</label>
                                <select name="semester" id="semester" class="form-select" disabled >
                                    @foreach($semester as $s)
                                    <option value="{{ $s->cms_semester_sid }}">{{ $s->semester_name }}</option>

                                    @endforeach

                                </select>
                                @error('semester')
                                <small class="text-danger">{{ $message }}</small>
                            @enderror
                            </div>

                        </div>


                        <div class="row mt-3">
                            <!-- To Class -->
                            <div class="col-md-4">
                                <label for="to_class" class="form-label">To Class</label>
                                <select name="to_class" id="to_class" class="form-select">
                                    <option value="">Select To Class</option>
                                    @foreach($class as $cls)
                                        <option value="{{ $cls->cms_class_sid }}">{{ $cls->class_name }}</option>
                                    @endforeach
                                </select>
                                @error('to_class')
                                    <small class="text-danger">{{ $message }}</small>
                                @enderror
                            </div>



                            <!-- To Year -->
                            <div class="col-md-4">
                                <label for="to_year" class="form-label">To Year</label>
                                <select name="to_year" id="to_year" class="form-select @error('to_year') is-invalid @enderror">
                                    <option value="">Select To Year</option>
                                    @foreach($Allyear as $y)
                                        <option value="{{ $y->cms_year_sid }}" {{ old('to_year') == $y->cms_year_sid ? 'selected' : '' }}>
                                            {{ $y->year }}
                                        </option>
                                    @endforeach
                                </select>
                                @error('to_year')
                                    <small class="text-danger">{{ $message }}</small>
                                @enderror
                            </div>


                            <!-- To Sem -->
                            <div class="col-md-4">
                                <label for="to_sem" class="form-label">To Sem</label>
                                <select name="to_sem" id="to_sem" class="form-select" required >
                                    <option value="">Select To Sem</option>
                                    @foreach($Allsemester as $s)
                                        <option value="{{ $s->cms_semester_sid }}">{{ $s->semester_name }}</option> <!-- Adjust according to your SemesterModel's fields -->
                                    @endforeach
                                </select>
                                @error('to_sem')
                                <small class="text-danger">{{ $message }}</small>
                            @enderror
                            </div>
                        </div>

                        <div class="row mt-3">
                            <!-- Type -->
                            <div class="col-md-6">
                                <label for="type" class="form-label">Type</label>
                                <select name="type" id="type" class="form-select" required>
                                    <option value="">Select Type</option>
                                    <option value="promotion">Promotion</option>
                                    <option value="debar">Debar</option>
                                    <option value="termination">Termination</option>
                                    <option value="passout">Passout</option>
                                </select>
                                @error('type')
                                <small class="text-danger">{{ $message }}</small>
                            @enderror
                            </div>


                            <!-- Remarks -->
                            <div class="col-md-6">
                                <label for="remarks" class="form-label">Remarks</label>
                                <input type="text" name="remarks" id="remarks" class="form-control" placeholder="Enter remarks" />

                            </div>
                        </div>

                        <div class="text-center mt-3">
                            <button type="submit" id="submitBtn" class="btn btn-primary">Submit</button>
                            <a href="{{ route('class.index') }}" class="btn btn-secondary">Cancel</a>
                        </div>
                    </form>
                </div>
            </div>

            <!-- Existing Table for Promotion Class -->
            <div class="card mb-4">
                <div class="d-flex align-items-center">
                    <p class="mb-0 ms-2 mt-2 p-3 "><u>Promotion Class</u></p>

                </div>
                <div class="card-body px-0 pt-0 pb-2">
                    <div class="table-responsive p-0">
                        <table class="table align-items-center mb-0" id="pro_table">
                            <thead>
                                <tr>
                                    <th class="text-center text-uppercase text-secondary text-xxs font-weight-bolder opacity-7 " id="checkall"><input type="checkbox"></th>
                                    <th class="text-center text-uppercase text-secondary text-xxs font-weight-bolder opacity-7">Student Name</th>
                                    <th class="text-center text-uppercase text-secondary text-xxs font-weight-bolder opacity-7">Register Number</th>
                                    <th class="text-center text-uppercase text-secondary text-xxs font-weight-bolder opacity-7">Date Of Birth</th>
                                    <th class="text-center text-uppercase text-secondary text-xxs font-weight-bolder opacity-7">Mobile Number</th>
                                    <th class="text-center text-uppercase text-secondary text-xxs font-weight-bolder opacity-7">Email</th>
                                    <th class="text-center text-uppercase text-secondary text-xxs font-weight-bolder opacity-7">Address</th>

                                </tr>
                            </thead>
                            <tbody id="pro_table_body">

                                @foreach ( $studentsInClass as $student )


                                <tr>
                                    <td class="text-center">
                                        <input type="checkbox" name="student_ids[]" value={{ $student->cms_student_sid }}  class="student-checkbox">
                                    </td>
                                    <td class="text-center"> {{ $student->firstname }} </td>
                                    <td class="text-center"> {{ $student->register_no }}  </td>
                                    <td class="text-center">{{ $student->dob }} </td>
                                    <td class="text-center">{{ $student->mobileno }}  </td>
                                    <td class="text-center">{{ $student->email }}</td>
                                    <td class="text-center"> {{ $student->address }}</td>
                                  </tr>
                                  @endforeach
                            </tbody>
                        </table>

                    </div>
                </div>
            </div>
        </div>
    </div>
    <!-- Confirmation Modal -->
<div class="modal fade" id="confirmationModal" tabindex="-1" aria-labelledby="confirmationModalLabel" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="confirmationModalLabel">Confirm Submission</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body">
                Are you sure you want to submit the form with the selected students?
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                <button type="submit" class="btn btn-primary" id="confirmSubmitBtn">Confirm</button>
            </div>
        </div>
    </div>
</div>

@endsection
@push('scripts')
<script>
$(document).ready(function() {
    $("#pro_table").dataTable();

    function submitForm() {
        var fromClass = $('#from_class').val();
        var fromYear = $('#from_year').val();
        var fromSem = $('#semester').val();
        var toClass = $('#to_class').val();
        var toYear = $('#to_year').val();
        var toSem = $('#to_sem').val();
        var type = $('#type').val();
        var remarks = $('#remarks').val();

        var selectedStudents = [];
        $('.student-checkbox:checked').each(function() {
            var studentId = $(this).val();
            if (studentId && studentId !== "undefined") {
                selectedStudents.push(studentId);
            }
        });

        if (selectedStudents.length === 0) {
            toastr.warning('Please select at least one student.');
            return;
        }

        var formData = {
            _token: '{{ csrf_token() }}',
            from_class: fromClass,
            from_year: fromYear,
            from_sem: fromSem,
            to_class: toClass,
            to_year: toYear,
            to_sem: toSem,
            type: type,
            remarks: remarks,
            student_ids: selectedStudents
        };

        $.ajax({
            url: '{{ route('promotion.submit') }}',
            method: 'POST',
            data: formData,
            success: function(response) {
                $('#from_class, #from_year, #semester, #to_class, #to_year, #to_sem, #type, #remarks').val('');
                $('.student-checkbox').prop('checked', false);
                $('#checkall input[type="checkbox"]').prop('checked', false);
                var table = $('#pro_table').DataTable();
    table.clear();
    table.destroy(); // Destroy the DataTable instance
    $('#pro_table').DataTable(); // Reinitialize the DataTable
                toastr.success(response.message);

            },
            error: function(xhr, status, error) {
                var response = xhr.responseJSON;
                if (response && response.error) {
                    toastr.error(response.error || 'An unknown error occurred');
                } else {
                    toastr.error('An unknown error occurred');
                }
            }
        });
    }

    $('#submitBtn').on('click', function(e) {
        e.preventDefault();
        $('#confirmationModal').modal('show');
    });

    $('#confirmSubmitBtn').on('click', function() {
        var requiredFields = ['#from_class', '#from_year', '#semester', '#to_class', '#to_year', '#to_sem', '#type'];
    var isValid = true;

    requiredFields.forEach(function(field) {
        if (!$(field).val()) {
            isValid = false;
            $(field).addClass('is-invalid'); // Highlight empty fields
        } else {
            $(field).removeClass('is-invalid');
        }
    });

    if (!isValid) {
        toastr.error('Please fill in all required fields.');
        return;
    }
        submitForm();
        $('#confirmationModal').modal('hide');
    });

    $('#from_class, #from_year, #semester').on('change', function() {
        fetchStudents();
    });

    $('#checkall input[type="checkbox"]').on('change', function() {
        var isChecked = $(this).prop('checked');
        $('.student-checkbox').prop('checked', isChecked);
    });
});

</script>
@endpush