@extends('layouts.app')

@section('title')
  Dashboard
@endsection

@section('admin-content')
    <script src="https://cdn.jsdelivr.net/npm/autonumeric@4.6.0/dist/autoNumeric.min.js"></script>

    <section class="content-header">
        <div class="container-fluid">
            <div class="row mb-2">
                <div class="col-sm-6">
                    <h1>Tambahkan Expense Other Baru</h1>
                </div>
                <div class="col-sm-6">
                    <ol class="breadcrumb float-sm-right">
                        <li class="breadcrumb-item"><a href="{{ route('dashboard.index') }}">Dashboard</a></li>
                        </li>
                    </ol>
                </div>
            </div>
        </div>
    </section>
    <style>
        #loading-spinner-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent black background */
            z-index: 9999; /* High z-index to cover everything */
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .spinner-wrapper {
            text-align: center;
            color: white;
        }
    </style>
    <section class="content">
        <div class="container-fluid">
            <div class="card card-primary card-outline">
                <div class="card-body">
					<form id="expense-form" method="POST" action="{{ route('forms.other.store') }}" enctype="multipart/form-data">
                        @csrf
                        @include('backend.layouts.partials.messages')
                        <div class="row">
                            <div class="col-lg-6">
                                <div class="mb-3">
                                    <label class="form-label">Kategori <span class="font-italic font-weight-normal">(required)</span></label>
                                    <select class="form-control" name="kategori_id" id="kategori_id" required>
                                        <option value="">Pilih Kategori</option>
                                        @foreach ($kategori as $item)
                                            <option value="{{ $item->id }}" {{ old('kategori_id') == $item->id ? 'selected' : '' }}>
                                                {{ $item->name }}
                                            </option>
                                        @endforeach
                                    </select>
                                </div>
                                <div class="mb-3">
                                    <label class="form-label">Tanggal <span class="font-italic font-weight-normal">(required)</span></label>
                                    <input type="date" class="form-control" name="tanggal" id="tanggal" required value="{{ old('tanggal') }}">
                                </div>
                            </div>

                            <div class="col-lg-6">
                                <div class="mb-3">
                                    <label class="form-label">Total <span class="font-italic font-weight-normal">(required)</span></label>
                                    <input type="string" class="form-control" name="total" id="total" required value="{{ old('total') }}">
                                </div>
                                <div class="mb-3">
                                    <label class="form-label">Keterangan <span class="font-italic font-weight-normal">(required)</span></label>
                                    <textarea class="form-control" name="keterangan" id="keterangan" required>{{ old('keterangan') }}</textarea>
                                </div>
                            </div>

                            <div class="col-12">
                                <div class="mb-3">
                                    <div class="d-flex align-items-center justify-content-between">
                                        <label class="form-label mb-0">Lampiran</label>
                                        <button type="button" class="btn btn-outline-primary btn-sm" id="other-add-attachment-row">
                                            <i class="fas fa-plus mr-1"></i> Tambah Lampiran
                                        </button>
                                    </div>
                                    <p class="text-muted small mt-1 mb-2">
                                        Maksimal 10 MB per file. Tidak diperbolehkan mengunggah file berformat <code>.exe</code>, <code>.dll</code>, <code>.sh</code>, <code>.bat</code>, <code>.cmd</code>, atau <code>.msi</code>.
                                    </p>
                                    <div class="table-responsive">
                                        <table class="table table-bordered align-middle" id="other-attachments-table">
                                            <thead class="table-light">
                                                <tr>
                                                    <th style="width: 30%">Kategori</th>
                                                    <th style="width: 45%">Lampiran</th>
                                                    <th style="width: 15%" class="text-center">Preview</th>
                                                    <th style="width: 10%" class="text-center">Aksi</th>
                                                </tr>
                                            </thead>
                                            <tbody>
                                                <tr class="other-attachments-empty text-center text-muted">
                                                    <td colspan="4">Belum ada lampiran.</td>
                                                </tr>
                                            </tbody>
                                        </table>
                                    </div>
                                </div>
                            </div>

                            <div class="col-12">
                                <button type="submit" class="btn btn-primary ml-2">Submit</button>
                            </div>
                        </div>
					</form>

                    @include('backend.components.attachment-preview-modal', [
                        'modalId' => 'otherAttachmentPreviewModal',
                        'title' => 'Preview Lampiran',
                    ])

                    <div id="loading-spinner-overlay" class="d-none">
                        <div class="spinner-wrapper">
                            <div class="spinner-border text-primary" role="status">
                            </div>
                            <p>Submitting, please wait...</p>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <script>
        new AutoNumeric('#total', {
            digitGroupSeparator: '.',
            decimalCharacter: ',',
            currencySymbol: 'Rp.',
            decimalPlaces: 0,
            unformatOnSubmit: true
        });

        const spinnerOverlay = document.getElementById('loading-spinner-overlay');

        document.getElementById('expense-form').addEventListener('submit', function () {
            spinnerOverlay.classList.remove('d-none');
            spinnerOverlay.classList.add('d-flex');
        });

        const attachmentCategories = @json($attachmentCategories ?? ($otherAttachmentCategories ?? []));
        const blockedExtensions = ['exe', 'dll', 'sh', 'bat', 'cmd', 'msi'];
        const maxFileSizeBytes = 10 * 1024 * 1024;
        const otherAttachmentEmptyRow = '<tr class="other-attachments-empty text-center text-muted"><td colspan="4">Belum ada lampiran.</td></tr>';
        let otherAttachmentIndex = 0;

        function escapeHtml(value) {
            return String(value || '')
                .replace(/&/g, '&amp;')
                .replace(/</g, '&lt;')
                .replace(/>/g, '&gt;')
                .replace(/"/g, '&quot;')
                .replace(/'/g, '&#039;');
        }

        function categoryToLabel(value) {
            if (!value) {
                return 'Pilih Kategori';
            }
            return value.replace(/_/g, ' ').replace(/\b\w/g, function (char) {
                return char.toUpperCase();
            });
        }

        function detectPreviewType(extension) {
            const images = ['jpg', 'jpeg', 'png', 'gif', 'bmp', 'webp'];
            if (images.indexOf(extension) !== -1) {
                return 'image';
            }
            if (extension === 'pdf') {
                return 'pdf';
            }
            return 'other';
        }

        function buildCategoryOptions() {
            return attachmentCategories.map(function (category) {
                return '<option value="' + category + '">' + escapeHtml(categoryToLabel(category)) + '</option>';
            }).join('');
        }

        function setInlinePreview($row, type, source) {
            const $box = $row.find('.other-attachment-inline-preview');
            $box.removeClass('bg-light').html('<i class="fas fa-file-upload text-muted"></i>');

            if (type === 'image' && source) {
                $box.addClass('bg-light').html(
                    '<img src="' + source + '" class="img-thumbnail" style="width:100%;height:100%;object-fit:cover;" alt="Preview">'
                );
            } else if (type === 'pdf') {
                $box.addClass('bg-light').html('<i class="fas fa-file-pdf text-danger fa-lg"></i>');
            } else if (type === 'other') {
                $box.addClass('bg-light').html('<i class="fas fa-file-alt text-secondary fa-lg"></i>');
            }
        }

        function resetAttachmentRowData($row, clearInput = true) {
            const existingUrl = $row.data('objectUrl');
            if (existingUrl) {
                URL.revokeObjectURL(existingUrl);
            }

            $row.removeData('objectUrl')
                .removeData('previewType')
                .removeData('previewSource')
                .removeData('previewFileName');

            setInlinePreview($row, null, null);
            $row.find('.other-preview-attachment').addClass('d-none');
            $row.find('.other-preview-filename').text('');

            if (clearInput) {
                $row.find('.other-attachment-file').val('');
            }
        }

        function openAttachmentModal(modalSelector, options) {
            const settings = Object.assign({
                title: 'Lampiran',
                type: 'other',
                source: null,
                fileName: 'Lampiran'
            }, options || {});

            const $modal = $(modalSelector);
            const $image = $modal.find('.attachment-preview-image');
            const $object = $modal.find('.attachment-preview-object');
            const $placeholder = $modal.find('.attachment-preview-placeholder');

            $modal.find('.attachment-preview-modal-title').text(settings.title || 'Lampiran');

            $image.addClass('d-none').attr('src', '');
            $object.addClass('d-none').attr('data', '').attr('src', '');
            $placeholder.removeClass('d-none').html('Tidak ada file untuk ditampilkan.');

            if (settings.type === 'image' && settings.source) {
                $image.attr('src', settings.source).removeClass('d-none');
                $placeholder.addClass('d-none');
            } else if (settings.type === 'pdf' && settings.source) {
                $object.attr('data', settings.source).attr('src', settings.source).removeClass('d-none');
                $placeholder.addClass('d-none');
            }

            if (window.bootstrap && bootstrap.Modal && typeof bootstrap.Modal.getOrCreateInstance === 'function') {
                bootstrap.Modal.getOrCreateInstance($modal[0]).show();
            } else {
                $modal.modal('show');
            }
        }

        function addOtherAttachmentRow() {
            const $tbody = $('#other-attachments-table tbody');

            if ($tbody.find('.other-attachments-empty').length) {
                $tbody.empty();
            }

            const index = otherAttachmentIndex++;
            const rowHtml = `
                <tr class="other-attachment-row" data-index="${index}">
                    <td>
                        <select class="form-control other-attachment-category" name="attachments[${index}][file_category]" required>
                            <option value="">${escapeHtml(categoryToLabel(''))}</option>
                            ${buildCategoryOptions()}
                        </select>
                    </td>
                    <td>
                        <div class="d-flex align-items-center">
                            <div class="other-attachment-inline-preview border rounded d-flex align-items-center justify-content-center bg-white mr-2" style="width:56px;height:56px;">
                                <i class="fas fa-file-upload text-muted"></i>
                            </div>
                            <input type="file" class="form-control other-attachment-file" name="attachments[${index}][file_path]">
                        </div>
                        <div class="small text-muted mt-1 other-preview-filename"></div>
                    </td>
                    <td class="text-center">
                        <button type="button" class="btn btn-sm btn-outline-secondary other-preview-attachment d-none">
                            Preview
                        </button>
                    </td>
                    <td class="text-center">
                        <button type="button" class="btn btn-sm btn-outline-danger other-remove-attachment-row">
                            <i class="fas fa-trash"></i>
                        </button>
                    </td>
                </tr>
            `;

            $tbody.append(rowHtml);
        }

        $(function () {
            $('#other-add-attachment-row').on('click', function () {
                addOtherAttachmentRow();
            });

            $(document).on('click', '.other-remove-attachment-row', function () {
                const $row = $(this).closest('tr');
                const $tbody = $('#other-attachments-table tbody');
                resetAttachmentRowData($row, true);
                $row.remove();

                if (!$tbody.find('.other-attachment-row').length) {
                    $tbody.html(otherAttachmentEmptyRow);
                }
            });

            $(document).on('change', '.other-attachment-file', function () {
                const $input = $(this);
                const $row = $input.closest('tr');
                const previewButton = $row.find('.other-preview-attachment');
                const filenameHolder = $row.find('.other-preview-filename');

                resetAttachmentRowData($row, false);
                filenameHolder.text('');

                const file = this.files && this.files[0];
                if (!file) {
                    return;
                }

                if (file.size > maxFileSizeBytes) {
                    alert('Ukuran file melebihi 10 MB.');
                    $input.val('');
                    return;
                }

                const extension = (file.name.split('.').pop() || '').toLowerCase();
                if (blockedExtensions.indexOf(extension) !== -1) {
                    alert('Tipe file tidak diperbolehkan.');
                    $input.val('');
                    return;
                }

                filenameHolder.text(escapeHtml(file.name));

                const previewType = detectPreviewType(extension);
                $row.data('previewType', previewType);
                $row.data('previewFileName', file.name);
                $row.data('previewSource', null);
                $row.removeData('objectUrl');

                if (previewType === 'image') {
                    const reader = new FileReader();
                    reader.onload = function (event) {
                        const source = event.target.result;
                        $row.data('previewSource', source);
                        setInlinePreview($row, previewType, source);
                    };
                    reader.readAsDataURL(file);
                } else if (previewType === 'pdf') {
                    const objectUrl = URL.createObjectURL(file);
                    $row.data('previewSource', objectUrl);
                    $row.data('objectUrl', objectUrl);
                    setInlinePreview($row, previewType, null);
                } else {
                    const objectUrl = URL.createObjectURL(file);
                    $row.data('previewSource', objectUrl);
                    $row.data('objectUrl', objectUrl);
                    setInlinePreview($row, 'other', null);
                }

                previewButton.removeClass('d-none');
            });

            $(document).on('click', '.other-preview-attachment', function () {
                const $row = $(this).closest('tr');
                const previewType = $row.data('previewType') || 'other';
                const previewSource = $row.data('previewSource') || null;
                const fileName = $row.data('previewFileName') || 'Lampiran';

                if (previewType === 'image' || previewType === 'pdf') {
                    openAttachmentModal('#otherAttachmentPreviewModal', {
                        title: fileName,
                        type: previewType,
                        source: previewSource,
                        fileName: fileName
                    });
                } else if (previewSource) {
                    window.open(previewSource, '_blank');
                }
            });

            addOtherAttachmentRow();
        });
    </script>
@endsection