import { InsertrFormRenderer } from '../ui/form-renderer.js';

/**
 * InsertrEditor - Visual editing functionality
 */
export class InsertrEditor {
    constructor(core, auth, options = {}) {
        this.core = core;
        this.auth = auth;
        this.options = options;
        this.isActive = false;
        this.formRenderer = new InsertrFormRenderer();
    }
    
    start() {
        if (this.isActive) return;
        
        console.log('🚀 Starting Insertr Editor');
        this.isActive = true;
        
        // Add editor styles
        this.addEditorStyles();
        
        // Initialize all enhanced elements
        const elements = this.core.getAllElements();
        console.log(`📝 Found ${elements.length} editable elements`);
        
        elements.forEach(meta => this.initializeElement(meta));
    }
    
    initializeElement(meta) {
        const { element, contentId, contentType } = meta;
        
        // Add visual indicators
        element.style.cursor = 'pointer';
        element.style.position = 'relative';
        
        // Add interaction handlers
        this.addHoverEffects(element);
        this.addClickHandler(element, meta);
    }
    
    addHoverEffects(element) {
        element.addEventListener('mouseenter', () => {
            element.classList.add('insertr-editing-hover');
        });
        
        element.addEventListener('mouseleave', () => {
            element.classList.remove('insertr-editing-hover');
        });
    }
    
    addClickHandler(element, meta) {
        element.addEventListener('click', (e) => {
            // Only allow editing if authenticated and in edit mode
            if (!this.auth.isAuthenticated() || !this.auth.isEditMode()) {
                return; // Let normal click behavior happen
            }
            
            e.preventDefault();
            this.openEditor(meta);
        });
    }
    
    openEditor(meta) {
        const { element } = meta;
        const currentContent = this.extractCurrentContent(element);
        
        // Show professional form instead of prompt
        this.formRenderer.showEditForm(
            meta,
            currentContent,
            (formData) => this.handleSave(meta, formData),
            () => this.handleCancel(meta)
        );
    }
    
    extractCurrentContent(element) {
        // For links, extract both text and URL
        if (element.tagName.toLowerCase() === 'a') {
            return {
                text: element.textContent.trim(),
                url: element.getAttribute('href') || ''
            };
        }
        
        // For other elements, just return text content
        return element.textContent.trim();
    }
    
    handleSave(meta, formData) {
        console.log('💾 Saving content:', meta.contentId, formData);
        
        // Update element content based on type
        this.updateElementContent(meta.element, formData);
        
        // Close form
        this.formRenderer.closeForm();
        
        // TODO: Save to backend API
        console.log(`✅ Content saved:`, meta.contentId, formData);
    }
    
    handleCancel(meta) {
        console.log('❌ Edit cancelled:', meta.contentId);
    }
    
    updateElementContent(element, formData) {
        if (element.tagName.toLowerCase() === 'a') {
            // Update link element
            if (formData.text !== undefined) {
                element.textContent = formData.text;
            }
            if (formData.url !== undefined) {
                element.setAttribute('href', formData.url);
            }
        } else {
            // Update text content
            element.textContent = formData.text || '';
        }
    }
    
    // Legacy method - now handled by handleSave and updateElementContent
    
    addEditorStyles() {
        const styles = `
            .insertr-editing-hover {
                outline: 2px dashed #007cba !important;
                outline-offset: 2px !important;
                background-color: rgba(0, 124, 186, 0.05) !important;
            }
            
            .insertr:hover::after {
                content: "✏️ " attr(data-content-type);
                position: absolute;
                top: -25px;
                left: 0;
                background: #007cba;
                color: white;
                padding: 2px 6px;
                font-size: 11px;
                border-radius: 3px;
                white-space: nowrap;
                z-index: 1000;
                font-family: monospace;
            }
        `;
        
        const styleSheet = document.createElement('style');
        styleSheet.type = 'text/css';
        styleSheet.innerHTML = styles;
        document.head.appendChild(styleSheet);
    }
}