class CustomImageGenerator extends HTMLElement {
    constructor() {
        super();
        this.attachShadow({ mode: 'open' });
    }

    connectedCallback() {
        this.render();
    }

    static get observedAttributes() {
        return ['image-data'];
    }

    attributeChangedCallback(name, oldValue, newValue) {
        if (oldValue !== newValue) {
            this.render();
        }
    }

    render() {
        const imageData = this.getAttribute('image-data') || '';
        const hasImage = imageData !== '';

        this.shadowRoot.innerHTML = `
            <style>
                :host {
                    display: block;
                }
                
                .header {
                    display: flex;
                    align-items: center;
                    margin-bottom: 1.5rem;
                }
                
                .header i {
                    margin-right: 0.75rem;
                    color: #3b82f6;
                }
                
                .header h2 {
                    font-size: 1.25rem;
                    font-weight: 600;
                    color: #1e293b;
                }
                
                .image-container {
                    background-color: #f8fafc;
                    border-radius: 0.5rem;
                    padding: 1.5rem;
                    border: 1px solid #e2e8f0;
                    min-height: 300px;
                    display: flex;
                    flex-direction: column;
                    align-items: center;
                    justify-content: center;
                }
                
                .generated-image {
                    max-width: 100%;
                    border-radius: 0.375rem;
                    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
                }
                
                .placeholder {
                    text-align: center;
                    color: #64748b;
                }
                
                .placeholder i {
                    font-size: 3rem;
                    margin-bottom: 1rem;
                    color: #cbd5e1;
                }
                
                .image-actions {
                    display: flex;
                    margin-top: 1.5rem;
                    gap: 0.75rem;
                }
                
                .action-button {
                    padding: 0.5rem 1rem;
                    background-color: #3b82f6;
                    color: white;
                    border: none;
                    border-radius: 0.375rem;
                    cursor: pointer;
                    display: flex;
                    align-items: center;
                }
                
                .action-button i {
                    margin-right: 0.5rem;
                }
                
                .action-button.secondary {
                    background-color: #e2e8f0;
                    color: #1e293b;
                }
            </style>
            
            <div class="header">
                <i data-feather="image"></i>
                <h2>Visualisation du Thème</h2>
            </div>
            
            <div class="image-container">
                ${hasImage ? 
                    `<img src="${imageData}" alt="Generated theme preview" class="generated-image">` : 
                    `<div class="placeholder">
                        <i data-feather="image"></i>
                        <p>Générez un thème pour voir la prévisualisation</p>
                    </div>`
                }
            </div>
            
            ${hasImage ? `
            <div class="image-actions">
                <button class="action-button">
                    <i data-feather="download"></i>
                    Télécharger
                </button>
                <button class="action-button secondary">
                    <i data-feather="refresh-cw"></i>
                    Régénérer
                </button>
            </div>
            ` : ''}
        `;
        
        feather.replace();
    }
}

customElements.define('custom-image-generator', CustomImageGenerator);