@extends('backend.layouts.app')

@section('title', 'Create Data Dashboard')

@push('styles')
    <style>
        #editor-modal { display: none; position: fixed; inset: 0; z-index: 9999999; background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); }
        #editor-modal.open { display: flex !important; align-items: center; justify-content: center; }
        #editor-modal .modal-inner { width: 90vw; height: 85vh; background: #1e1e1e; border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 25px 60px rgba(0,0,0,0.5); }
        #editor-modal .modal-toolbar { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; background: #252526; border-bottom: 1px solid #3c3c3c; }
        #editor-modal .modal-toolbar span { color: #ccc; font-size: 13px; font-weight: 600; }
        #editor-modal .modal-body { flex: 1; overflow: hidden; }
        #editor-trigger { cursor: pointer; min-height: 120px; border: 2px dashed #d1d5db; border-radius: 10px; display: flex; align-items: center; justify-content: center; transition: all .2s; }
        #editor-trigger:hover { border-color: #3b82f6; background: #f0f7ff; }
        #editor-trigger.has-content { border-style: solid; border-color: #d1d5db; background: #1e1e1e; min-height: 200px; }
        #editor-trigger .preview-code { width: 100%; height: 200px; overflow: auto; padding: 14px; font-family: 'Fira Code', 'Cascadia Code', monospace; font-size: 13px; line-height: 1.6; color: #d4d4d4; white-space: pre-wrap; word-break: break-all; }
        .form-row-3 { display: flex; flex-wrap: wrap; gap: 1.25rem; }
        .form-row-3 > * { flex: 1 1 0%; min-width: 140px; }
        @media (max-width: 640px) { .form-row-3 > * { flex: 1 1 100%; } }
    </style>
@endpush

@section('content')
    @php
        $pageTitle = 'Create Data Dashboard';
        $indexRoute = 'data-dashboard.index';
        $indexLabel = 'Data Dashboard';
    @endphp
    @include('backend.layouts.partials._page_header')

    <div class="space-y-6">
        <div class="rounded-2xl border border-gray-200 bg-white dark:border-gray-800 dark:bg-white/[0.03]">
            <div class="px-5 py-5">
                <p class="text-sm text-gray-500 dark:text-gray-400">
                    Fill in the information below to create a new dashboard widget.
                </p>
            </div>

            <form id="dashboard-form" action="{{ route('data-dashboard.store') }}" method="POST">
                @csrf
                <div class="space-y-5 border-t border-gray-100 p-6 dark:border-gray-800">

                    <div>
                        <label class="block text-sm font-medium text-gray-700 dark:text-gray-400 mb-1.5">Title</label>
                        <input type="text" name="title" value="{{ old('title') }}"
                            class="dark:bg-dark-900 shadow-theme-xs focus:border-brand-300 focus:ring-brand-500/10 dark:focus:border-brand-800 h-11 w-full rounded-lg border bg-transparent px-4 py-2.5 text-sm text-gray-800 placeholder:text-gray-400 focus:ring-3 focus:outline-hidden dark:border-gray-700 dark:bg-gray-900 dark:text-white/90 dark:placeholder:text-white/30 @error('title') border-error-300 focus:border-error-300 focus:ring-error-500/10 dark:border-error-700 @else border-gray-300 dark:border-gray-700 @enderror">
                        @error('title')
                            <p class="text-theme-xs text-error-500 mt-1.5">{{ $message }}</p>
                        @enderror
                    </div>

                    <div class="form-row-3">
                        <div>
                            <label class="block text-sm font-medium text-gray-700 dark:text-gray-400 mb-1.5">Column Span</label>
                            <select name="col_span"
                                class="dark:bg-dark-900 shadow-theme-xs focus:border-brand-300 focus:ring-brand-500/10 dark:focus:border-brand-800 h-11 w-full rounded-lg border bg-transparent px-4 py-2.5 text-sm text-gray-800 focus:ring-3 focus:outline-hidden dark:border-gray-700 dark:bg-gray-900 dark:text-white/90 @error('col_span') border-error-300 focus:border-error-300 focus:ring-error-500/10 dark:border-error-700 @else border-gray-300 dark:border-gray-700 @enderror">
                                <option value="1" {{ old('col_span', 1) == 1 ? 'selected' : '' }}>1 Column (1/4)</option>
                                <option value="2" {{ old('col_span') == 2 ? 'selected' : '' }}>2 Columns (1/2)</option>
                                <option value="3" {{ old('col_span') == 3 ? 'selected' : '' }}>3 Columns (3/4)</option>
                                <option value="4" {{ old('col_span') == 4 ? 'selected' : '' }}>4 Columns (Full)</option>
                            </select>
                        </div>
                        <div>
                            <label class="block text-sm font-medium text-gray-700 dark:text-gray-400 mb-1.5">Sorting</label>
                            <input type="number" name="sorting" value="{{ old('sorting', 0) }}"
                                class="dark:bg-dark-900 shadow-theme-xs focus:border-brand-300 focus:ring-brand-500/10 dark:focus:border-brand-800 h-11 w-full rounded-lg border bg-transparent px-4 py-2.5 text-sm text-gray-800 placeholder:text-gray-400 focus:ring-3 focus:outline-hidden dark:border-gray-700 dark:bg-gray-900 dark:text-white/90 dark:placeholder:text-white/30 @error('sorting') border-error-300 focus:border-error-300 focus:ring-error-500/10 dark:border-error-700 @else border-gray-300 dark:border-gray-700 @enderror">
                            @error('sorting')
                                <p class="text-theme-xs text-error-500 mt-1.5">{{ $message }}</p>
                            @enderror
                        </div>
                        <div>
                            <label class="block text-sm font-medium text-gray-700 dark:text-gray-400 mb-1.5">Status</label>
                            <select name="activation_status"
                                class="dark:bg-dark-900 shadow-theme-xs focus:border-brand-300 focus:ring-brand-500/10 dark:focus:border-brand-800 h-11 w-full rounded-lg border bg-transparent px-4 py-2.5 text-sm text-gray-800 focus:ring-3 focus:outline-hidden dark:border-gray-700 dark:bg-gray-900 dark:text-white/90 @error('activation_status') border-error-300 focus:border-error-300 focus:ring-error-500/10 dark:border-error-700 @else border-gray-300 dark:border-gray-700 @enderror">
                                <option value="1" {{ old('activation_status') == 1 ? 'selected' : '' }}>Active</option>
                                <option value="0" {{ old('activation_status') === '0' ? 'selected' : '' }}>Inactive</option>
                            </select>
                        </div>
                    </div>

                    <div>
                        <div class="flex items-center justify-between mb-1.5">
                            <label class="block text-sm font-medium text-gray-700 dark:text-gray-400">Content (Code)</label>
                        </div>
                        <div id="editor-trigger" onclick="openEditor()">
                            <div class="text-center text-gray-400">
                                <svg width="32" height="32" fill="none" stroke="currentColor" viewBox="0 0 24 24" class="mx-auto mb-2"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M10 20l4-16m4 4l4 4-4 4M6 16l-4-4 4-4"/></svg>
                                <p class="text-sm font-medium">Click to open code editor</p>
                            </div>
                        </div>
                        <textarea name="content" id="content" class="hidden">{{ old('content') }}</textarea>
                        @error('content')
                            <p class="text-theme-xs text-error-500 mt-1.5">{{ $message }}</p>
                        @enderror
                    </div>
                </div>

                <div class="flex justify-end gap-3 border-t border-gray-100 px-6 py-4 dark:border-gray-800">
                    <a href="{{ route('data-dashboard.index') }}"
                        class="rounded-lg border border-gray-300 px-4 py-2 text-sm text-gray-700 hover:bg-gray-50 dark:border-gray-700 dark:text-gray-300 dark:hover:bg-white/[0.03]">Cancel</a>
                    <button type="submit"
                        class="rounded-lg bg-brand-500 px-4 py-2 text-sm text-white hover:bg-brand-600">Save</button>
                </div>
            </form>
        </div>
    </div>
@endsection

{{-- Editor Modal --}}
<div id="editor-modal" style="display:none">
    <div class="modal-inner">
        <div class="modal-toolbar">
            <span>Monaco Editor — PHP</span>
            <div style="display:flex;gap:8px;">
                <button type="button" onclick="formatCode()" style="padding:6px 12px;background:#3c3c3c;color:#ccc;border:none;border-radius:6px;font-size:12px;cursor:pointer;">Format</button>
                <button type="button" onclick="saveAndClose()" style="padding:6px 16px;background:#10b981;color:#fff;border:none;border-radius:6px;font-size:12px;font-weight:600;cursor:pointer;">Save</button>
                <button type="button" onclick="closeEditor()" style="padding:6px 16px;background:#6b7280;color:#fff;border:none;border-radius:6px;font-size:12px;font-weight:600;cursor:pointer;">Close</button>
            </div>
        </div>
        <div class="modal-body">
            <div id="modal-editor" style="width:100%;height:100%;"></div>
        </div>
    </div>
</div>

@push('scripts')
    <script src="{{ asset('vendor/monaco-editor/min/vs/loader.js') }}"></script>
    <script>
        document.addEventListener('DOMContentLoaded', function () {
            var input = document.getElementById('content');
            var trigger = document.getElementById('editor-trigger');
            var modalEditor = null;
            var lintTimer = null;

            require.config({ paths: { vs: '/vendor/monaco-editor/min/vs' } });

            function updatePreview() {
                var val = input.value;
                if (val && val.trim()) {
                    trigger.classList.add('has-content');
                    trigger.innerHTML = '<div class="preview-code">' + escapeHtml(val.substring(0, 1500)) + (val.length > 1500 ? '\n...' : '') + '</div>';
                } else {
                    trigger.classList.remove('has-content');
                    trigger.innerHTML = '<div class="text-center text-gray-400"><svg width="32" height="32" fill="none" stroke="currentColor" viewBox="0 0 24 24" class="mx-auto mb-2"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M10 20l4-16m4 4l4 4-4 4M6 16l-4-4 4-4"/></svg><p class="text-sm font-medium">Click to open code editor</p></div>';
                }
            }

            function escapeHtml(str) {
                return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
            }

            updatePreview();

            window.openEditor = function() {
                document.getElementById('editor-modal').classList.add('open');
                document.body.style.overflow = 'hidden';

                require(['vs/editor/editor.main'], function () {
                    if (!modalEditor) {
                        modalEditor = monaco.editor.create(document.getElementById('modal-editor'), {
                            value: input.value,
                            language: 'php',
                            theme: 'hc-black',
                            automaticLayout: true,
                            fontSize: 14,
                            lineNumbers: 'on',
                            wordWrap: 'on',
                            minimap: { enabled: true },
                            scrollBeyondLastLine: false,
                            tabSize: 4,
                            insertSpaces: true,
                            bracketPairColorization: { enabled: true },
                            autoIndent: 'full',
                            formatOnPaste: true,
                            formatOnType: true,
                            padding: { top: 10 },
                        });

                        modalEditor.onDidChangeModelContent(function () {
                            clearTimeout(lintTimer);
                            lintTimer = setTimeout(function () {
                                fetch('{{ route('data-dashboard.lint') }}', {
                                    method: 'POST',
                                    headers: { 'Content-Type': 'application/json', 'X-CSRF-TOKEN': '{{ csrf_token() }}' },
                                    body: JSON.stringify({ content: modalEditor.getValue() })
                                })
                                .then(function (r) { return r.json(); })
                                .then(function (data) {
                                    var markers = data.errors.map(function (e) {
                                        return {
                                            severity: monaco.MarkerSeverity.Error,
                                            message: e.message,
                                            startLineNumber: e.line,
                                            startColumn: 1,
                                            endLineNumber: e.line,
                                            endColumn: 1000
                                        };
                                    });
                                    monaco.editor.setModelMarkers(modalEditor.getModel(), 'php-lint', markers);
                                });
                            }, 800);
                        });
                    } else {
                        modalEditor.setValue(input.value);
                    }
                    setTimeout(function() { modalEditor.focus(); }, 100);
                });
            };

            window.closeEditor = function() {
                if (modalEditor) {
                    input.value = modalEditor.getValue();
                }
                document.getElementById('editor-modal').classList.remove('open');
                document.body.style.overflow = '';
                updatePreview();
            };

            window.formatCode = function() {
                if (modalEditor) {
                    var btn = document.querySelector('[onclick="formatCode()"]');
                    btn.textContent = 'Formatting...';
                    fetch('{{ route('data-dashboard.format') }}', {
                        method: 'POST',
                        headers: { 'Content-Type': 'application/json', 'X-CSRF-TOKEN': '{{ csrf_token() }}' },
                        body: JSON.stringify({ content: modalEditor.getValue() })
                    })
                    .then(function (r) { return r.json(); })
                    .then(function (data) {
                        modalEditor.setValue(data.formatted);
                        modalEditor.focus();
                        btn.textContent = 'Format';
                    })
                    .catch(function () { btn.textContent = 'Format'; });
                }
            };

            window.saveAndClose = function() {
                if (modalEditor) {
                    input.value = modalEditor.getValue();
                }

                var formData = new FormData(document.getElementById('dashboard-form'));
                formData.set('content', input.value);

                fetch(document.getElementById('dashboard-form').action, {
                    method: 'POST',
                    body: formData,
                    headers: {
                        'X-Requested-With': 'XMLHttpRequest',
                        'Accept': 'application/json',
                    },
                })
                .then(function(res) { return res.json(); })
                .then(function(data) {
                    showToast(data.message || 'Code saved successfully!');
                })
                .catch(function() {
                    showToast('Failed to save. Please try again.', true);
                });
            };

            function showToast(message, isError) {
                var existing = document.getElementById('editor-toast');
                if (existing) existing.remove();

                var toast = document.createElement('div');
                toast.id = 'editor-toast';
                toast.style.cssText = 'position:fixed;top:20px;right:20px;z-index:99999999;padding:12px 20px;border-radius:8px;font-size:13px;font-weight:600;color:#fff;box-shadow:0 4px 12px rgba(0,0,0,0.3);animation:slideIn .3s ease;transition:opacity .3s;';
                toast.style.background = isError ? '#ef4444' : '#10b981';
                toast.textContent = message;
                document.body.appendChild(toast);

                setTimeout(function() {
                    toast.style.opacity = '0';
                    setTimeout(function() { toast.remove(); }, 300);
                }, 2500);
            }

            document.addEventListener('keydown', function(e) {
                if (e.key === 'Escape' && document.getElementById('editor-modal').classList.contains('open')) {
                    closeEditor();
                }
                if ((e.ctrlKey || e.metaKey) && e.key === 's' && document.getElementById('editor-modal').classList.contains('open')) {
                    e.preventDefault();
                    saveAndClose();
                }
            });

            document.getElementById('editor-modal').addEventListener('click', function(e) {
                if (e.target === this) {
                    closeEditor();
                }
            });

            document.getElementById('dashboard-form').addEventListener('submit', function () {
                if (modalEditor) {
                    input.value = modalEditor.getValue();
                }
            });
        });
    </script>
@endpush