@extends('layouts.app')

@section('title', __('messages_301.Create Course'))

@section('content')
    <div class="container-xxl flex-grow-1 container-p-y">
        @include('inc.breadcrumb', [
            'breadcrumb_items' => [
                __('messages.Home') => route('home'),
                __('messages_301.Courses') => route('admin.courses.index'),
                __('messages.Create') => 'active',
            ],
        ])

        <div class="row justify-content-center">
            <!-- Form controls -->
            <div class="col-md-12">
                <!-- Multi Column with Form Separator -->
                <div class="card mb-4">
                    <h5 class="card-header">{{ __('messages_301.Course data') }}</h5>
                    <form class="card-body" action="{{ route('admin.courses.store') }}" method="POST"
                        enctype="multipart/form-data">

                        @csrf

                        <div class="card-body">

                            <!-- Avatar -->
                            <div class="d-flex align-items-start align-items-sm-center gap-4">
                                <img src="{{ asset('default-images/courses.png') }}" alt="user-avatar"
                                    class="d-block w-px-100 h-px-100 rounded shadow-img" id="uploadedAvatar" />

                                <div class="button-wrapper">
                                    <label for="upload" class="btn btn-primary me-2 mb-3" tabindex="0">
                                        <span class="d-none d-sm-block">{{ __('messages_301.Upload') }}</span>
                                        <i class="ti ti-upload d-block d-sm-none"></i>
                                        <input type="file" id="upload" name="image"
                                            class="account-file-input @error('image') is-invalid @enderror" hidden
                                            accept="image/png, image/jpeg, image/jpg" />
                                    </label>
                                    <button type="button" class="btn btn-label-secondary account-image-reset mb-3">
                                        <i class="ti ti-refresh-dot d-block d-sm-none"></i>
                                        <span class="d-none d-sm-block">{{ __('messages_303.Reset') }}</span>
                                    </button>

                                    <div class="text-muted">{{ __('messages_301.Allowed JPG, JPEG or PNG. Max size of') }}
                                        {{ \App\Http\Helpers\HelperSetting::fileUploadMaxSize() }} MB</div>
                                    @error('image')
                                        <small class="text-danger">{{ $message }}</small>
                                    @enderror
                                </div>
                            </div>
                            <!-- / Avatar -->
                        </div>

                        <div class="row g-3">
                            <div class="nav-align-top  mb-4">
                                <ul class="nav nav-tabs" role="tablist">
                                    @foreach ($languages as $lang)
                                        <li class="nav-item" role="presentation">
                                            <button type="button" class="nav-link {{ $loop->index == 0 ? 'active' : '' }}"
                                                role="tab" data-bs-toggle="tab"
                                                data-bs-target="#navs-{{ $lang->id }}"
                                                aria-controls="navs-{{ $lang->id }}" aria-selected="true">
                                                {{ $lang->native_name }}
                                            </button>
                                        </li>
                                    @endforeach
                                </ul>

                                <div class="tab-content p-0">
                                    @foreach ($languages as $lang)
                                        <div class="tab-pane fade {{ $loop->index == 0 ? 'active show' : '' }}  "
                                            id="navs-{{ $lang->id }}" role="tabpanel">
                                            <div class="row">

                                                <div class="col-md-6 mt-3">
                                                    <label class="form-label mb-1"
                                                        for="title_{{ $lang->code }}">{{ __('messages_301.Course Title') }}
                                                        ({{ $lang->code }})
                                                    </label>
                                                    <input type="text" id="title_{{ $lang->code }}"
                                                        data-slug_name="slug_{{ $lang->code }}"
                                                        class="form-control input_name  @error('title_' . $lang->code) is-invalid @enderror"
                                                        name="title_{{ $lang->code }}"
                                                        value="{{ old('title_' . $lang->code) }}" />
                                                    @error('title_' . $lang->code)
                                                        <div class="invalid-feedback">{{ $message }}</div>
                                                    @enderror
                                                </div>

                                                <div class="col-md-6 mt-3">
                                                    <label class="form-label mb-1"
                                                        for="short_description_{{ $lang->code }}">{{ __('messages_301.Short description') }}
                                                        ({{ $lang->code }})
                                                    </label>
                                                    <input type="text" id="short_description_{{ $lang->code }}"
                                                        data-slug_name="slug_{{ $lang->code }}"
                                                        class="form-control input_name  @error('short_description_' . $lang->code) is-invalid @enderror"
                                                        name="short_description_{{ $lang->code }}"
                                                        value="{{ old('short_description_' . $lang->code) }}" />
                                                    @error('short_description_' . $lang->code)
                                                        <div class="invalid-feedback">{{ $message }}</div>
                                                    @enderror
                                                </div>

                                            </div>
                                        </div>
                                    @endforeach

                                </div>
                            </div>

                            {{-- السنة / الفصل / المادة: تظهر فقط للدورات المدرسية --}}
                            <div class="col-md-12 mt-2 school-only-field">
                                <h6 class="text-primary mb-0">{{ __('messages_301.SchoolCurriculumSection') ?? 'المنهج والسنة الدراسية' }}</h6>
                                <p class="text-muted small mb-3">{{ __('messages_301.SchoolCurriculumSectionHint') ?? 'يُعرض هذا القسم عند اختيار «دورة مدرسية» فقط.' }}</p>
                            </div>
                            <div class="col-md-6 mt-3 school-only-field">
                                <label class="form-label mb-1"
                                    for="academic_year_id">{{ __('messages_301.Academic Year') }}</label>
                                <select class="form-select @error('academic_year_id') is-invalid @enderror"
                                    name="academic_year_id" id="academic_year_id">
                                    <option value="" selected disabled>{{ __('messages_301.Select Academic Year') }}
                                    </option>
                                    @foreach ($academicYears as $academicYear)
                                        <option value="{{ $academicYear->id }}"
                                            {{ old('academic_year_id') == $academicYear->id ? 'selected' : '' }}>
                                            {{ $academicYear->name }}
                                        </option>
                                    @endforeach
                                </select>
                                @error('academic_year_id')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>

                            <div class="col-md-6 mt-3 school-only-field">
                                <label class="form-label mb-1"
                                    for="academic_term_id">{{ __('messages_301.Academic Term') }}</label>
                                <select class="form-select @error('academic_term_id') is-invalid @enderror"
                                    name="academic_term_id" id="academic_term_id">
                                    <option value="" selected disabled>{{ __('messages_301.Select Academic Term') }}
                                    </option>
                                    @foreach ($academicTerms as $academicTerm)
                                        <option value="{{ $academicTerm->id }}"
                                            {{ old('academic_term_id') == $academicTerm->id ? 'selected' : '' }}>
                                            {{ $academicTerm->name }}
                                        </option>
                                    @endforeach
                                </select>
                                @error('academic_term_id')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>

                            <div class="col-md-6 mt-3 school-only-field">
                                <label class="form-label mb-1" for="subject_id">{{ __('messages_301.Subject') }}</label>
                                <select class="form-select @error('subject_id') is-invalid @enderror" name="subject_id"
                                    id="subject_id">
                                    <option value="" selected disabled>{{ __('messages_301.Select Subject') }}
                                    </option>
                                    @foreach ($subjects as $subject)
                                        <option value="{{ $subject->id }}"
                                            {{ old('subject_id') == $subject->id ? 'selected' : '' }}>
                                            {{ $subject->name }}
                                        </option>
                                    @endforeach
                                </select>
                                @error('subject_id')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>

                            @php $courseTypeOld = old('course_type', 'training'); @endphp
                            <div class="col-md-12 mt-3">
                                <label class="form-label mb-2 d-block">{{ __('messages_301.Course Type') ?? 'Course Type' }}</label>
                                <div class="row g-3 course-type-radios">
                                    <div class="col-md-6">
                                        <label class="course-type-choice-label w-100 mb-0" for="course_type_school">
                                            <div class="course-type-choice-box d-flex gap-3 p-3 border rounded h-100" data-type="school">
                                                <input class="form-check-input flex-shrink-0 mt-1" type="radio"
                                                    name="course_type" id="course_type_school" value="school"
                                                    autocomplete="off" {{ $courseTypeOld === 'school' ? 'checked' : '' }}>
                                                <div>
                                                    <span class="fw-semibold d-block"><i class="ti ti-school me-1"></i>{{ __('messages_301.School') }}</span>
                                                    <small class="text-muted d-block mt-1">{{ __('messages_301.CourseTypeActiveSchoolDesc') }}</small>
                                                </div>
                                            </div>
                                        </label>
                                    </div>
                                    <div class="col-md-6">
                                        <label class="course-type-choice-label w-100 mb-0" for="course_type_training">
                                            <div class="course-type-choice-box d-flex gap-3 p-3 border rounded h-100" data-type="training">
                                                <input class="form-check-input flex-shrink-0 mt-1" type="radio"
                                                    name="course_type" id="course_type_training" value="training"
                                                    autocomplete="off" {{ $courseTypeOld === 'training' ? 'checked' : '' }}>
                                                <div>
                                                    <span class="fw-semibold d-block"><i class="ti ti-certificate me-1"></i>{{ __('messages_301.Training') }}</span>
                                                    <small class="text-muted d-block mt-1">{{ __('messages_301.CourseTypeActiveTrainingDesc') }}</small>
                                                </div>
                                            </div>
                                        </label>
                                    </div>
                                </div>
                                @error('course_type')
                                    <div class="invalid-feedback d-block">{{ $message }}</div>
                                @enderror
                                <div class="course-type-status mt-2 p-2 rounded border" id="course_type_status_box" role="status" aria-live="polite">
                                    <div class="small text-muted mb-0">{{ __('messages_301.CourseTypeActiveTitle') }}</div>
                                    <div class="fw-semibold mt-1" id="course_type_status_desc"></div>
                                </div>
                                <p class="text-muted small mt-2 mb-0">{{ __('messages_301.CourseTypeRadioInstruction') }}</p>
                            </div>

                            <!-- Training Course Fields (Visible by default) -->
                            <div class="training-fields" style="display: {{ $courseTypeOld === 'training' ? 'block' : 'none' }};">
                                <div class="col-md-12 mt-4">
                                    <h6 class="text-primary">{{ __('messages_301.Training Course Requirements') ?? 'Training Course Requirements' }}</h6>
                                    <hr>
                                </div>

                                <div class="col-md-12 mt-3">
                                    <label class="form-label mb-1" for="target_audience">{{ __('messages_301.Target Audience') ?? 'Target Audience' }}</label>
                                    <textarea class="form-control @error('target_audience') is-invalid @enderror" 
                                              name="target_audience" 
                                              id="target_audience" 
                                              rows="3"
                                              placeholder="{{ __('messages_301.Enter target audience description') ?? 'Enter target audience description' }}">{{ old('target_audience') }}</textarea>
                                    @error('target_audience')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>

                                <div class="col-md-12 mt-3">
                                    <label class="form-label mb-1">{{ __('messages_301.External Links') ?? 'External Links' }}
                                        <span class="text-muted fw-normal small">({{ __('messages_301.Optional') }})</span></label>
                                    <div id="external_links_container">
                                        <div class="input-group mb-2">
                                            <input type="text"
                                                   inputmode="url"
                                                   autocomplete="url"
                                                   class="form-control external-link-input" 
                                                   placeholder="{{ __('messages_301.Enter link URL') ?? 'Enter link URL' }}"
                                                   name="external_links[]">
                                            <button type="button" class="btn btn-outline-danger remove-link-btn" style="display: none;">
                                                <i class="ti ti-trash"></i>
                                            </button>
                                        </div>
                                    </div>
                                    <button type="button" class="btn btn-sm btn-outline-primary" id="add_external_link">
                                        <i class="ti ti-plus"></i> {{ __('messages_301.Add Link') ?? 'Add Link' }}
                                    </button>
                                </div>

                                <div class="col-md-12 mt-3">
                                    <label class="form-label mb-1">{{ __('messages_301.PDF Files') ?? 'PDF Files' }}
                                        <span class="text-muted fw-normal small">({{ __('messages_301.Optional') }})</span></label>
                                    <div id="pdf_files_container">
                                        <div class="input-group mb-2">
                                            <input type="file" 
                                                   class="form-control pdf-file-input" 
                                                   accept=".pdf"
                                                   name="pdf_files[]">
                                            <button type="button" class="btn btn-outline-danger remove-pdf-btn" style="display: none;">
                                                <i class="ti ti-trash"></i>
                                            </button>
                                        </div>
                                    </div>
                                    <button type="button" class="btn btn-sm btn-outline-primary" id="add_pdf_file">
                                        <i class="ti ti-plus"></i> {{ __('messages_301.Add PDF') ?? 'Add PDF' }}
                                    </button>
                                    <div class="text-muted mt-1">{{ __('messages_301.Allowed PDF files only') ?? 'Allowed PDF files only' }}</div>
                                </div>
                            </div>




                            @if ($userRole == 'admin')




                                <div class="col-md-6 mt-3">
                                    <label class="form-label mb-1" for="user_id">{{ __('messages_301.Teacher') }}</label>
                                    <select class="form-select @error('user_id') is-invalid @enderror" name="user_id"
                                        id="user_id">
                                        <option value="" selected disabled>
                                            {{ __('messages_302.Select teacher') }}
                                        </option>
                                        @foreach ($teachers as $teacher)
                                            <option value="{{ $teacher->id }}"
                                                {{ old('user_id') == $teacher->id ? 'selected' : '' }}>
                                                {{ $teacher->name }}
                                            </option>
                                        @endforeach
                                    </select>
                                    @error('user_id')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>

                                <div class="col-md-6 mt-3">
                                    <label class="form-label" for="price">{{ __('messages_301.Price') }}</label>
                                    <input type="number" id="price"
                                        class="form-control @error('price') is-invalid @enderror" name="price"
                                        value="{{ old('price') }}" />
                                    @error('price')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            @else
                                <input type="hidden" name="user_id" value="{{ auth()->id() }}">
                            @endif


                            <div class="col-md-6 mt-3 school-only-field">
                                <label class="form-label" for="end_date">{{ __('messages.Expiration date') }}</label>
                                <input type="date" id="end_date"
                                    class="form-control @error('end_date') is-invalid @enderror" name="end_date"
                                    value="{{ old('end_date') }}" />
                                @error('end_date')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                            <div class="col-md-6 mt-3">
                                <label class="form-label" for="hours">{{ __('messages_301.Hours') }}</label>
                                <input type="number" id="hours"
                                    class="form-control @error('hours') is-invalid @enderror" name="hours"
                                    value="{{ old('hours') }}" />
                                @error('hours')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>

                            <div class="col-md-6 mt-3">
                                <label class="form-label" for="discount">{{ __('messages_301.Discount') }} (%)</label>
                                <input type="number" id="discount"
                                    class="form-control @error('discount') is-invalid @enderror" name="discount"
                                    value="{{ old('discount') }}" />
                                @error('discount')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>

                        </div>

                        <div class="pt-4">
                            <button type="submit"
                                class="btn btn-primary me-sm-3 me-1">{{ __('messages.Save') }}</button>
                            <button type="reset" class="btn btn-label-secondary">{{ __('messages.Cancel') }}</button>
                        </div>
                    </form>
                </div>
            </div>
        </div>

    </div>
@endsection

@section('styles')
<style>
    .course-type-choice-label {
        cursor: pointer;
    }

    .course-type-choice-box {
        transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
        border-color: #dee2e6 !important;
    }

    .course-type-choice-box.is-selected-school {
        border-color: #5aa3f0 !important;
        box-shadow: 0 0 0 2px rgba(90, 163, 240, 0.35);
        background-color: rgba(90, 163, 240, 0.08);
    }

    .course-type-choice-box.is-selected-training {
        border-color: #28a745 !important;
        box-shadow: 0 0 0 2px rgba(40, 167, 69, 0.35);
        background-color: rgba(40, 167, 69, 0.08);
    }

    .training-fields {
        border: 2px dashed #28a745;
        border-radius: 8px;
        padding: 20px;
        margin-top: 20px;
        background-color: #f8f9fa;
    }

    .course-type-status.is-training {
        border-color: #28a745 !important;
        background-color: rgba(40, 167, 69, 0.08);
    }

    .course-type-status.is-school {
        border-color: #5aa3f0 !important;
        background-color: rgba(90, 163, 240, 0.1);
    }
</style>
@endsection

@section('script')
    <script src="{{ asset('assets/js/pages-account-settings-account.js') }}"></script>
    <script src="{{ asset('assets/vendor/libs/toastr/toastr.js') }}"></script>
    <script>
        $(document).ready(function() {
            const courseTypeDescTraining = @json(__('messages_301.CourseTypeActiveTrainingDesc'));
            const courseTypeDescSchool = @json(__('messages_301.CourseTypeActiveSchoolDesc'));

            function isTrainingCourse() {
                return $('input[name="course_type"]:checked').val() === 'training';
            }

            function syncCourseTypeRadiosVisual() {
                $('.course-type-choice-box').removeClass('is-selected-school is-selected-training');
                const v = $('input[name="course_type"]:checked').val();
                if (v === 'school') {
                    $('#course_type_school').closest('.course-type-choice-box').addClass('is-selected-school');
                } else if (v === 'training') {
                    $('#course_type_training').closest('.course-type-choice-box').addClass('is-selected-training');
                }
            }

            function updateCourseTypeStatus() {
                const isTraining = isTrainingCourse();
                const $box = $('#course_type_status_box');
                $('#course_type_status_desc').text(isTraining ? courseTypeDescTraining : courseTypeDescSchool);
                $box.toggleClass('is-training', isTraining).toggleClass('is-school', !isTraining);
                syncCourseTypeRadiosVisual();
            }

            toggleFields();

            $('input[name="course_type"]').on('change', function() {
                toggleFields();
            });

            function toggleFields() {
                const isTraining = isTrainingCourse();
                
                if (isTraining) {
                    $('.training-fields').slideDown(300);
                    $('.school-only-field').slideUp(300);
                    $('.school-only-field input, .school-only-field select').prop('required', false).prop('disabled', true);
                } else {
                    $('.training-fields').slideUp(300);
                    $('.school-only-field').slideDown(300);
                    $('.school-only-field input[type="date"], .school-only-field select').prop('required', true).prop('disabled', false);
                }
                updateCourseTypeStatus();
            }

            // Add external link
            $('#add_external_link').on('click', function() {
                const linkHtml = `
                    <div class="input-group mb-2">
                        <input type="text"
                               inputmode="url"
                               autocomplete="url"
                               class="form-control external-link-input" 
                               placeholder="{{ __('messages_301.Enter link URL') ?? 'Enter link URL' }}"
                               name="external_links[]">
                        <button type="button" class="btn btn-outline-danger remove-link-btn">
                            <i class="ti ti-trash"></i>
                        </button>
                    </div>
                `;
                $('#external_links_container').append(linkHtml);
                updateRemoveButtons();
            });

            // Remove external link
            $(document).on('click', '.remove-link-btn', function() {
                $(this).closest('.input-group').remove();
                updateRemoveButtons();
            });

            // Add PDF file
            $('#add_pdf_file').on('click', function() {
                const pdfHtml = `
                    <div class="input-group mb-2">
                        <input type="file" 
                               class="form-control pdf-file-input" 
                               accept=".pdf"
                               name="pdf_files[]">
                        <button type="button" class="btn btn-outline-danger remove-pdf-btn">
                            <i class="ti ti-trash"></i>
                        </button>
                    </div>
                `;
                $('#pdf_files_container').append(pdfHtml);
                updateRemoveButtons();
            });

            // Remove PDF file
            $(document).on('click', '.remove-pdf-btn', function() {
                $(this).closest('.input-group').remove();
                updateRemoveButtons();
            });

            // Update remove buttons visibility
            function updateRemoveButtons() {
                const linkGroups = $('#external_links_container .input-group');
                const pdfGroups = $('#pdf_files_container .input-group');
                
                linkGroups.each(function(index) {
                    $(this).find('.remove-link-btn').toggle(linkGroups.length > 1);
                });
                
                pdfGroups.each(function(index) {
                    $(this).find('.remove-pdf-btn').toggle(pdfGroups.length > 1);
                });
            }

            // Initialize on page load
            updateRemoveButtons();
        });
    </script>
@endsection