@extends('layouts.main')

@section('content')
    @php
        $protocolData = $protocol->slug;
    @endphp
    <div class="content container-fluid">
        <div class="page-header">
            <a href="{{ route('protocols.index', $protocolData) }}" class="text-dark"><x-back-button /> Back</a>
            <div class="row align-items-center">
                <div class="col pt-3">
                    <!-- <h3 class="page-title">Add Protocol</h3> -->
                    <ul class="breadcrumb">
                        <li class="breadcrumb-item"><a href="{{ route('protocols.index', $protocolData) }}">Protocols</a></li>
                        <li class="breadcrumb-item active">Add Protocol</li>
                    </ul>
                </div>
            </div>
        </div>

        <div class="row">
            <div class="col-sm-12">
                <div class="card">
                    <div class="card-body">
                        <form action="{{ route('protocols.update', [$protocolData, $protocolLevelOne->id]) }}" id="section-level" method="POST" enctype="multipart/form-data">
                            <input type="hidden" name="_method" value="PUT">
                            <input type="hidden" name="_token" value="{{ csrf_token() }}">
                            <div class="row">
                                <div class="col-12">
                                    <h5 class="form-title"><span>Protocol Information - {{ $protocol->name }}</span></h5>
                                </div>
                                <div class="col-12 col-sm-12">
                                    <div class="form-group local-forms mb-4">
                                        <label>Title <span class="login-danger">*</span></label>
                                        <textarea id="title" class="form-control @error('title') is-invalid @enderror" name="title" rows="8" cols="80" placeholder="Write title..">{{ old('title', $protocolLevelOne->title) }}</textarea>
                                        @error('title')
                                            <div class="invalid-feedback">
                                                <span class="text-danger">{{ $message }}</span>
                                            </div>
                                        @enderror
                                    </div>
                                </div>
                                @if ($protocol->level == 1)
                                    <div class="col-12 col-sm-12">
                                        <div class="form-group local-forms mb-4">
                                            <label>Description <span class="login-danger">*</span></label>
                                            <div id="text-section">
                                                <textarea id="description" class="form-control @error('description') is-invalid @enderror" name="description" rows="8" cols="80">{{ old('description', $protocolLevelOne->description) }}</textarea>
                                                @error('description')
                                                    <div class="invalid-feedback">
                                                        <span class="text-danger">{{ $message }}</span>
                                                    </div>
                                                @enderror
                                            </div>
                                        </div>
                                    </div>
                                    <div class="col-12 col-sm-12">
                                        <div class="form-group local-forms mb-4">
                                            <label>PDF <span class="login-danger"></span></label>
                                            <div id="pdf-section">
                                                @if ($protocolLevelOne->pdf)
                                                    <div class="mb-2 pdf-display-section">
                                                        <div class="d-flex align-items-center justify-content-between p-2 border rounded bg-light">
                                                            <div class="d-flex align-items-center">
                                                                <i class="fas fa-file-pdf text-danger me-2 fs-4"></i>
                                                                <div>
                                                                    <a href="{{asset('storage'. $protocolLevelOne->pdf)}}" target="_blank" class="text-primary pdf-view-link">View PDF Document</a>
                                                                    <small class="d-block text-muted">{{ basename($protocolLevelOne->pdf) }}</small>
                                                                </div>
                                                            </div>
                                                            <button type="button" class="btn btn-sm btn-danger remove-pdf-btn" data-pdf="{{ $protocolLevelOne->pdf }}">
                                                                <i class="fas fa-trash"></i> Remove
                                                            </button>
                                                        </div>
                                                    </div>
                                                @endif
                                                <input type="file" id="pdf_file" class="form-control @error('pdf_file') is-invalid @enderror" name="pdf_file" accept="application/pdf">
                                                <input type="hidden" name="remove_pdf" class="remove_pdf" value="0">
                                                @error('pdf_file')
                                                    <div class="invalid-feedback">
                                                        <span class="text-danger">{{ $message }}</span>
                                                    </div>
                                                @enderror
                                            </div>
                                        </div>
                                    </div>
                                    <div class="col-12 col-sm-12">
                                        <div class="form-group local-forms mb-4">
                                            <label>Tags <span class="login-danger"></span></label>
                                            {{-- <input id="tags" class="form-control @error('tags') is-invalid @enderror" name="tags" type="text" placeholder="" value="{{ old('tags', $protocolLevelOne->tags) }}" /> --}}
                                            <select class="multi-select form-control @error('tags') is-invalid @enderror" name="tags[]" multiple="multiple">
                                                @if (!empty($protocolLevelOne->tags))
                                                    @foreach (explode(',', $protocolLevelOne->tags) as $tag)
                                                        <option value="{{ trim($tag) }}" selected>{{ trim($tag) }}</option>
                                                    @endforeach
                                                @endif
                                            </select>
                                            @error('tags')
                                                <div class="invalid-feedback">
                                                    <span class="text-danger">{{ $message }}</span>
                                                </div>
                                            @enderror
                                        </div>
                                    </div>
                                @endif
                                @if ($protocolLevelOne->video->count() > 0)
                                    <div class="previous-video row mb-3">
                                        @foreach ($protocolLevelOne->video as $video)
                                            <div class=" col-2 position-relative">
                                                <div class="previous-video-row">
                                                    <div class="video-blar">
                                                        <video src="{{ asset('storage' . $video->file) }}" class="w-100" controls height="150px"></video>
                                                        <div class="d-flex justify-content-between">
                                                            <p>{{ $video->title }}</p>
                                                            <a href="javascript:void(0)" data-id="{{ $video->id }}" class="previous-video-remove ms-2"><i class="fas fa-trash text-danger"></i></a>
                                                        </div>
                                                    </div>
                                                    <a href="javascript:void(0)" data-id="{{ $video->id }}" class="previous-video-undo text-white fs-5"><i class="fas fa-rotate-left"></i>Undo</a>
                                                </div>
                                            </div>
                                        @endforeach
                                    </div>
                                @endif
                                <input type="hidden" name="remove_videos" class="remove_videos" value="">

                                <div class="col-12">
                                    <div class="add-table-column-items">
                                        <div class="add-row row">
                                            <div class="col">
                                                <input type="file" name="video[]" accept="video/*" class="form-control video-input">
                                                <div class="text-danger video-error" style="display:none;"></div>
                                            </div>
                                            <div class="col">
                                                <input type="text" name="video_title[]" class="form-control title-input">
                                                <div class="text-danger title-error" style="display:none;"></div>
                                            </div>
                                            <div class="col-1 add-remove text-center">
                                                <a href="javascript:void(0);" class="add-column-btn me-2 btn btn-primary"><i class="fas fa-plus-circle"></i></a>
                                            </div>
                                        </div>
                                    </div>
                                </div>

                                <div class="col-12">
                                    <div class="student-submit">
                                        <button type="submit" id="level-form" class="btn btn-primary">Submit</button>
                                        {{-- @if ($protocol->level == 1)
                                        <button type="button" class="btn btn-secondary preview-btn" data-bs-toggle="modal" data-bs-target="#scrollable-modal" onclick="previewModel(this)">Preview</button>
                                    @endif --}}
                                    </div>
                                </div>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>
    </div>
@endsection
@push('script')
    <script>
        $(document).ready(function() {
            // PDF Remove/Undo functionality - using event delegation
            $(document).on('click', '.remove-pdf-btn', function(e) {
                e.preventDefault();
                const pdfDisplay = $('.pdf-display-section');
                const pdfViewLink = pdfDisplay.find('.pdf-view-link');
                const removeBtn = $(this);
                
                // Mark PDF for deletion
                $('.remove_pdf').val('1');
                
                // Visual feedback - blur and disable link
                pdfDisplay.addClass('opacity-50');
                pdfViewLink.addClass('pe-none text-muted');
                
                // Change button to Undo
                removeBtn.removeClass('btn-danger').addClass('btn-warning');
                removeBtn.html('<i class="fas fa-undo"></i> Undo');
                removeBtn.removeClass('remove-pdf-btn').addClass('undo-pdf-btn');
                
                return false;
            });

            $(document).on('click', '.undo-pdf-btn', function(e) {
                e.preventDefault();
                const pdfDisplay = $('.pdf-display-section');
                const pdfViewLink = pdfDisplay.find('.pdf-view-link');
                const undoBtn = $(this);
                
                // Unmark PDF for deletion
                $('.remove_pdf').val('0');
                
                // Remove visual feedback
                pdfDisplay.removeClass('opacity-50');
                pdfViewLink.removeClass('pe-none text-muted');
                
                // Change button back to Remove
                undoBtn.removeClass('btn-warning').addClass('btn-danger');
                undoBtn.html('<i class="fas fa-trash"></i> Remove');
                undoBtn.removeClass('undo-pdf-btn').addClass('remove-pdf-btn');
                
                return false;
            });

            $(".multi-select").select2({
                closeOnSelect: false,
                tags: false, // Disable automatic tag creation
                tokenSeparators: [','],
                minimumInputLength: 0, // Allow 0 characters to show all results
                createTag: function (params) {
                    // Don't create tags automatically - we handle this in processResults
                    return null;
                },
                ajax: {
                    url: '/suggest-tags?type=level_one',
                    dataType: 'json',
                    delay: 250,
                    data: function(params) {
                        return {
                            term: params.term || '' // Send empty string if no term
                        };
                    },
                    processResults: function(data, params) {
                        var results = data.results;
                        var searchTerm = params.term;
                        
                        if (searchTerm && searchTerm.trim() !== '') {
                            // Check if the search term already exists in results
                            var exactMatch = results.some(function(item) {
                                return item.text.toLowerCase() === searchTerm.toLowerCase();
                            });
                            
                            // If no exact match found, add it as a new entry at the top
                            if (!exactMatch) {
                                results.unshift({
                                    id: searchTerm.trim(),
                                    text: searchTerm.trim() + ' (New Entry)',
                                    newEntry: true
                                });
                            }
                        }
                        
                        return {
                            results: results
                        };
                    }
                }
            }).on('select2:select', function(e) {
                // Strip (New Entry) text from the actual value
                var selectedData = e.params.data;
                if (selectedData.newEntry) {
                    // Get the clean text without (New Entry)
                    var cleanText = selectedData.text.replace(' (New Entry)', '');
                    
                    // Remove the option with (New Entry) text
                    $(this).find('option[value="' + selectedData.id + '"]').remove();
                    
                    // Add clean option
                    var $cleanOption = $('<option></option>')
                        .attr('value', cleanText)
                        .attr('selected', true)
                        .text(cleanText);
                    $(this).append($cleanOption);
                    
                    // Trigger change to update the display
                    $(this).trigger('change.select2');
                }
                // FIRST: Clear the search and state
                var $select = $(this);
                $('.select2-search__field').val('').trigger('input');
                
                // THEN: Close the dropdown after clearing
                setTimeout(function() {
                    $select.select2('close');
                }, 50);
            });
        });
    </script>
    <script>
        $(document).on('change', '.video-input', function() {
            const file = this.files[0];
            const maxSizeMB = 2;
            if (file && file.size > maxSizeMB * 1024 * 1024) {
                swal({
                    text: "File size must be less than 2MB.",
                    icon: "warning",
                });
                $(this).val('');
            }
        });

        let removeVideos = [];
        $('.previous-video-undo').hide();
        $(".previous-video").on('click', '.previous-video-remove', function() {
            const row = $(this).closest('.previous-video-row');
            const videoblur = row.find('.video-blar');
            const viewBtn = row.find('.previous-video-view');
            const videoTag = row.find('video');
            videoTag.removeAttr('controls');
            viewBtn.addClass('opacity-50 pe-none');
            videoblur.addClass('blur');
            $(this).hide();
            const undoBtn = row.find('.previous-video-undo');
            undoBtn.show();
            removeVideos.push($(this).data('id'));
            console.log(removeVideos);
            $('.remove_videos').val(removeVideos);
            return false;
        });


        $(".previous-video").on('click', '.previous-video-undo', function() {
            const row = $(this).closest('.previous-video-row');
            const videoblur = row.find('.video-blar');
            const viewBtn = row.find('.previous-video-view');
            const removeBtn = row.find('.previous-video-remove');
            const videoTag = row.find('video');
            videoTag.attr('controls', true);
            viewBtn.removeClass('opacity-50 pe-none');
            videoblur.removeClass('blur');
            removeBtn.show();
            $(this).hide();
            removeVideos = removeVideos.filter(value => value !== $(this).data('id'));
            console.log(removeVideos);

            $('.remove_videos').val(removeVideos);
            return false;
        });

        $(".add-table-column-items").on('click', '.remove-column-btn', function() {
            $(this).closest('.add-row').remove();
            return false;
        });
        $(document).on("click", ".add-column-btn", function() {
            var experiencecontent = '<div class="row mt-2 add-row">' +
                '<div class="col">' +
                '<input type="file" name="video[]" accept="video/*" class="form-control video-input">' +
                '<div class="text-danger video-error" style="display:none;"></div>' +
                '</div>' +
                '<div class="col">' +
                '<input type="text" name="video_title[]" class="form-control title-input">' +
                '<div class="text-danger title-error" style="display:none;"></div>' +
                '</div>' +
                '<div class="col-1 add-remove text-center">' +
                '<a href="javascript:void(0);" class="remove-column-btn btn btn-danger me-2"><i class="feather-trash-2"></i></a>' +
                '</div>' +
                '</div>';
            $(".add-table-column-items").append(experiencecontent);
            return false;
        });

        $(document).on('click', "#level-form", function(e) {
            e.preventDefault();
            var hasError = false;

            // Clear previous errors
            $(".video-error, .title-error").text('').hide();

            $(".add-row").each(function() {
                var videoInput = $(this).find('.video-input');
                var titleInput = $(this).find('.title-input');
                var video = videoInput.val().trim();
                var title = titleInput.val().trim();

                var videoError = $(this).find('.video-error');
                var titleError = $(this).find('.title-error');

                if (video && !title) {
                    titleError.text("Please enter a title for the selected video.").show();
                    hasError = true;
                } else if (!video && title) {
                    videoError.text("Please upload a video file for the entered title.").show();
                    hasError = true;
                }
            });

            if (!hasError) {
                $('#section-level').submit();
            }
            return false;
        });
    </script>
@endpush