{% extends 'base.html' %}

{% block title %}{{ app_name }} New Note{% endblock %}

{% block head %}
    {% include 'base_css_js_imports.html' %}
{% endblock %}

{% block content %}
<form method="post">
    <div class="mb-3 position-relative">
        <label for="note-path" class="form-label">Note path, Ending with file name</label>
        <div class="input-group">
            <input type="text" id="note-path" class="form-control" placeholder="folder/subfolder/title" 
                   autocomplete="off" autocapitalize="off" spellcheck="false"
                   value="{{ current_folder + '/' if current_folder else '' }}">
            <input type="hidden" id="title" name="title">
            <input type="hidden" id="path" name="path">
        </div>
        <div id="folder-suggestions" class="dropdown-menu" style="width: 100%; max-height: 300px; overflow-y: auto;"></div>
        <div class="form-text" style="color: aqua;">Type '/' for folder autocomplete. The last segment will be the note title.</div>
    </div>
    <div class="mb-3" 
         data-note-dir=""
         data-storage-mode="{{ storage_mode }}"
         data-storage-base="{{ storage_base }}">
        <label for="content" class="form-label">Content</label>
        <textarea id="content" name="content" class="form-control" rows="10"></textarea>
    </div>
    <button type="submit" class="btn btn-primary">Create</button>
    <a href="{{ url_for('md_viewer.index') }}" class="btn btn-secondary">Cancel</a>
</form>
{% endblock %}

{% block scripts %}
<script>
  window.attatchedImageUrlTemplate = "{{ url_for('md_viewer.serve_attatched_image', image_path='__IMAGE_PATH__') }}";
</script>
<script src="https://cdn.jsdelivr.net/npm/easymde/dist/easymde.min.js"></script>
<script src="{{ url_for('md_viewer.static', filename='js/app_custom_js.js') }}"></script>
<script>
// Make folders data available to JavaScript
window.availableFolders = {{ available_folders|tojson|safe }};

// Initialize highlight.js
window.hljs = hljs;

// Configure highlight.js with secure options
hljs.configure({
    ignoreUnescapedHTML: true,
    throwUnescapedHTML: false,
    languages: [
        'python',
        'javascript',
        'typescript',
        'bash',
        'shell',
        'powershell',
        'json',
        'yaml',
        'markdown',
        'css',
        'sql',
        'xml',
        'ini',
        'dockerfile'
    ]
});

const easyMDE = new EasyMDE({
    element: document.getElementById('content'),
    renderingConfig: {
        codeSyntaxHighlighting: true,
        markedOptions: {
            highlight: function(code, lang) {
                if (lang && hljs.getLanguage(lang)) {
                    try {
                        return hljs.highlight(code, { language: lang }).value;
                    } catch (e) {}
                }
                try {
                    return hljs.highlightAuto(code).value;
                } catch (e) {}
                return code;
            }
        }
    },
    uploadImage: true,
    imageUploadFunction: async function(file, onSuccess, onError) {
        try {
            // Get the current path from the path input
            const pathInput = document.getElementById('path');
            let noteDir = pathInput ? pathInput.value : "";
            const formData = new FormData();
            formData.append('image', file);
            const response = await fetch(`/upload_image/${noteDir}`, {
                method: 'POST',
                body: formData
            });
            const data = await response.json();
            if (data.error) throw new Error(data.error);
            
            // Use the markdown link returned from the server
            const cm = easyMDE.codemirror;
            cm.replaceSelection(data.markdown);
            // Do NOT call onSuccess here to avoid double insertion
        } catch (error) {
            onError(error.message || 'Failed to upload image');
        }
    },
    insertTexts: {
        image: ["![[", "]]"]
    },
    previewRender: function(plainText) {
        // First, escape the markdown using EasyMDE's default renderer
        let preview = this.parent.markdown(plainText);
        
        // After the markdown is rendered, initialize highlighting on any code blocks
        setTimeout(() => {
            const previewPane = document.querySelector('.editor-preview');
            if (previewPane) {
                // Get current folder path from the input
                const pathInput = document.getElementById('note-path');
                const currentPath = pathInput ? pathInput.value : '';
                const folderPath = currentPath.split('/').slice(0, -1).join('/');
                
                // Copy storage settings from parent container
                const editorContainer = document.querySelector('.mb-3[data-storage-mode]');
                if (editorContainer) {
                    previewPane.setAttribute('data-note-dir', folderPath);
                    previewPane.setAttribute('data-storage-mode', editorContainer.getAttribute('data-storage-mode'));
                    previewPane.setAttribute('data-storage-base', editorContainer.getAttribute('data-storage-base'));
                }
                window.renderObsidianImages(previewPane);
            }
            document.querySelectorAll('pre code').forEach((block) => {
                // Skip if already highlighted
                if (block.getAttribute('data-highlighted') === 'yes') {
                    return;
                }
                
                // Get the language if specified in the class
                const language = Array.from(block.classList)
                    .find(cls => cls.startsWith('language-'))
                    ?.substring(9);
                
                try {
                    // Apply highlighting using the current API
                    hljs.highlightElement(block);
                } catch (e) {
                    // Silently handle errors without console output
                }
            });
        }, 0);
        
        return preview;
    }
});

// GitHub-style path input handler
document.addEventListener('DOMContentLoaded', function() {
    const pathInput = document.getElementById('note-path');
    const titleInput = document.getElementById('title');
    const pathHiddenInput = document.getElementById('path');
    const suggestionsDiv = document.getElementById('folder-suggestions');
    const folders = availableFolders;
    
    // Focus the path input and move cursor to end
    pathInput.focus();
    pathInput.setSelectionRange(pathInput.value.length, pathInput.value.length);
    
    let currentPath = '';
    let lastKeyWasSlash = false;
    
    function showSuggestions(searchPath) {
        const parts = searchPath.split('/');
        const searchTerm = parts[parts.length - 1].toLowerCase();
        const parentPath = parts.slice(0, -1).join('/');
        
        // Filter folders that match the current path and search term
        const matches = folders.filter(folder => {
            if (parentPath) {
                return folder.path.startsWith(parentPath + '/') && 
                       folder.name.toLowerCase().includes(searchTerm);
            }
            return folder.name.toLowerCase().includes(searchTerm);
        });
        
        if (matches.length > 0) {
            suggestionsDiv.innerHTML = matches.map(folder => `
                <div class="folder-suggestion" data-path="${folder.path}">
                    <i class="fa fa-folder text-warning"></i>
                    <span>${folder.name}</span>
                    <span class="folder-path">/${folder.path}</span>
                </div>
            `).join('');
            suggestionsDiv.classList.add('show');
        } else {
            suggestionsDiv.classList.remove('show');
        }
    }
    
    function hideSuggestions() {
        suggestionsDiv.classList.remove('show');
    }
    
    function updateInputs(value) {
        const parts = value.split('/');
        const title = parts.pop() || '';
        const path = parts.join('/');
        
        titleInput.value = title;
        pathHiddenInput.value = path;
    }
    
    pathInput.addEventListener('input', function(e) {
        const value = e.target.value;
        updateInputs(value);
        
        if (lastKeyWasSlash || value.includes('/')) {
            showSuggestions(value);
        } else {
            hideSuggestions();
        }
        
        lastKeyWasSlash = value.endsWith('/');
    });
    
    pathInput.addEventListener('keydown', function(e) {
        if (e.key === '/') {
            lastKeyWasSlash = true;
        } else {
            lastKeyWasSlash = false;
        }
    });
    
    // Handle suggestion clicks
    suggestionsDiv.addEventListener('click', function(e) {
        const suggestion = e.target.closest('.folder-suggestion');
        if (suggestion) {
            const folderPath = suggestion.dataset.path;
            pathInput.value = folderPath + '/';
            updateInputs(pathInput.value);
            hideSuggestions();
            pathInput.focus();
        }
    });
    
    // Close suggestions when clicking outside
    document.addEventListener('click', function(e) {
        if (!e.target.closest('#note-path') && !e.target.closest('#folder-suggestions')) {
            hideSuggestions();
        }
    });
    
    // Handle initial value if any
    if (pathInput.value) {
        updateInputs(pathInput.value);
    }
});
</script>
{% endblock %}