@extends('layouts.app')

@section('content')
    @include('layouts.navbars.auth.topnav', ['title' => $title])

    <div class="row mt-4 mx-4">
        <div class="col-12">
            <div class="card mb-4">
                <div class="d-flex align-items-center">
                    <p class="mb-0 ms-2 mt-2">{{$title}}</p>
                </div>
                <div class="card-body px-0 pt-0 pb-2">
                    <div class="d-flex justify-content-center">
                        <div class="col-md-8">
                            <form action="{{route('mark-pdf')}}" method="GET" >
                                <!-- Select Fields -->
                                <div class="row">
                                <div class="col-md-4">
                                        <label for="academic-year" class="form-label">Academic Year</label>
                                        <select id="academic-year" name="academic_year" class="form-select select2" required>
                                            <option value="">Select Academic Year</option>
                                            @forelse (getAcademicYears() as $data)
                                            <option value="{{ $data->academicyear_Id }}"
                                            {{ old('academic_year') == $data->academicyear_Id ? 'selected' : '' }}>{{ $data->academicdetail }}</option>
                                            @empty
                                            <option value="">No data found.</option>
                                            @endforelse
                                        </select>
                                        @if ($errors->has('academic_year'))
                                        <sup class="text-danger">{{ $errors->first('academic_year') }}</sup>
                                    @endif
                                </div>
                                <div class="col-md-4">
                                        <label for="year" class="form-label">Year-wise</label>
                                        <select id="year" name="year" class="form-select select2" required>
                                            <option value="">Select Year</option>
                                            @forelse (getCurrentYears() as $data)
                                        <option value="{{ $data->cms_year_sid  }}"
                                        {{ old('year') == $data->cms_year_sid  ? 'selected' : '' }}>{{ $data->year }}</option>
                                            @empty
                                            <option value="">No year found</option>
                                            @endforelse
                                        </select>
                                            @if ($errors->has('year'))
                                                <sup class="text-danger">{{ $errors->first('year') }}</sup>
                                            @endif
                                </div>
                                    <div class="col-md-4">
                                        <label for="department">Department</label>
                                        <select id="department" name="department" class="select2 form-select">
                                            <option value="">Select Department</option>
                                            @forelse (getDepartments() as $data)
                                        <option value="{{ $data->cms_department_sid  }}"
                                        {{ old('department') == $data->cms_department_sid  ? 'selected' : '' }}>{{ $data->department_name }}</option>
                                            @empty
                                            <option value="">No department found</option>
                                            @endforelse
                                        </select>
                                            @if ($errors->has('department'))
                                                <sup class="text-danger">{{ $errors->first('department') }}</sup>
                                            @endif
                                    </div>
                                    <div class="col-md-4 mt-3">
                                <div class="form-group">
                                    <label for="course" class="form-control-label">Course</label>
                                    <select class="select2 form-select" name="course" id="course">
                                    <option value="">Select course</option>
                                    <option value="">Please Choose Department</option>
                                   </select>
                                    @if ($errors->has('course'))
                                        <sup class="text-danger">{{ $errors->first('course') }}</sup>
                                    @endif
                                </div>
                            </div>
                                    <div class="col-md-4 mt-3">
                                        <label for="class">Class</label>
                                        <select id="class" name="class" class="select2 form-select">
                                            <option value="">Select Class</option>
                                            <option value="">Please Choose Course</option>
                                            <!-- Add more classes if needed -->
                                        </select>
                                    </div>
                                    <div class="col-md-4 mt-3">
                                        <label for="subject">Subject</label>
                                        <select id="subject" name="subject" class="select2 form-select">
                                            <option value="">Select Subject</option>
                                           @forelse (getSubjects() as $data)
                                           <option value="{{ $data->cms_subject_sid  }}"
                                        {{ old('subject') == $data->cms_subject_sid  ? 'selected' : '' }}>{{ $data->subject_name }}</option>
                                            @empty
                                            <option value="">No subject found</option>
                                            @endforelse
                                        </select>
                                            @if ($errors->has('subject'))
                                                <sup class="text-danger">{{ $errors->first('subject') }}</sup>
                                            @endif
                                    </div>
                                </div>

                                <div class="mt-3 text-center">
                                    <button type="submit" class="btn btn-primary">Generate Report</button>
                                </div>
                            </form>
                            
                            
                        </div>
                    </div>
                    <div id="studentsTable" class="m-2 text-xxs"></div>
                </div>
            </div>
        </div>
    </div>
@endsection
@push('scripts')
<script>
    var oldCourse = "{{ old('course') }}"; 
    var oldDepartment = "{{ old('department') }}";

    $(document).ready(function() {
        if (oldDepartment) {
            if ($('#department').length) {
                $('#department').val(oldDepartment);
                setTimeout(function() {
                    $('#department').trigger('change');
                }, 50);
            }
        }
        $('#department').change(function() {
            var departmentId = $(this).val();
            if (departmentId) {
                $.ajax({
                    url: '{{ route('fetch-course') }}',
                    type: 'GET',
                    data: { department_id: departmentId },
                    dataType: 'json',
                    success: function(response) {
                        $('#course').empty();
                        $('#course').append('<option value="">Select course</option>');  

                        if (response.courses.length > 0) {

                            $.each(response.courses, function(index, course) {
                                var selected = (course.cms_course_sid == oldCourse) ? 'selected' : '';

                                $('#course').append('<option value="' + course.cms_course_sid + '" ' + selected + '>' + course.course_name + '</option>');
                            });
                        } else {
                            $('#course').append('<option value="">No courses available</option>');
                        }
                    },
                    error: function(xhr, status, error) {
                        console.error("AJAX Error: " + error); 
                    }
                });
            } else {
                $('#course').empty();
                $('#course').append('<option value="">Select course</option>');
            }
        });
    });
</script>  
<script>
    var oldCourse = "{{ old('course') }}"; 
    var oldClass = "{{ old('class') }}";
    $(document).ready(function() {
        if (oldDepartment) {
            if ($('#course').length) {
                $('#course').val(oldCourse);
                setTimeout(function() {
                    $('#course').trigger('change');
                }, 50);
            }
        }
        $('#course').change(function() {
            var courseId = $(this).val();
            if (courseId) {
                $.ajax({
                    url: '{{ route('fetch-classes') }}',
                    type: 'GET',
                    data: { course_id: courseId },
                    dataType: 'json',
                    success: function(response) {
                        $('#class').empty();
                        $('#class').append('<option value="">Select Class</option>');  

                        if (response.classes.length > 0) {
                            $.each(response.classes, function(index, cls) {
                                var selected = (cls.cms_class_sid == oldClass) ? 'selected' : '';

                                $('#class').append('<option value="' + cls.cms_class_sid + '" ' + selected + '>' + cls.class_name + '</option>');
                            });
                        } else {
                            $('#class').append('<option value="">No classes available</option>');
                        }
                    },
                    error: function(xhr, status, error) {
                        console.error("AJAX Error: " + error); 
                    }
                });
            } else {
                $('#class').empty();
                $('#class').append('<option value="">Select Class</option>');
            }
        });
    });
</script>  
@endpush