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

    static get observedAttributes() {
        return ['open'];
    }

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

    connectedCallback() {
        this.render();
    }

    render() {
        const isOpen = this.hasAttribute('open');
        this.shadowRoot.innerHTML = `
            <style>
                .modal-overlay {
                    position: fixed;
                    top: 0;
                    left: 0;
                    right: 0;
                    bottom: 0;
                    background-color: rgba(0, 0, 0, 0.5);
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    z-index: 50;
                    opacity: 0;
                    pointer-events: none;
                    transition: opacity 0.3s ease;
                }
                
                .modal-overlay.open {
                    opacity: 1;
                    pointer-events: all;
                }
                
                .modal-content {
                    background-color: white;
                    border-radius: 0.5rem;
                    width: 100%;
                    max-width: 28rem;
                    transform: translateY(20px);
                    transition: transform 0.3s ease;
                }
                
                .dark .modal-content {
                    background-color: #1f2937;
                }
                
                .modal-overlay.open .modal-content {
                    transform: translateY(0);
                }
            </style>
            
            <div class="modal-overlay ${isOpen ? 'open' : ''}">
                <div class="modal-content shadow-xl">
                    <div class="p-6 border-b border-gray-200 dark:border-gray-700">
                        <h3 class="text-lg font-medium">Enter Your API Key</h3>
                    </div>
                    
                    <div class="p-6">
                        <div class="mb-4">
                            <label class="block text-sm font-medium mb-2">DeepSeek API Key</label>
                            <input type="password" id="api-key-input" placeholder="sk-..." class="bg-gray-50 dark:bg-gray-700 border border-gray-300 dark:border-gray-600 text-gray-900 dark:text-white rounded-lg p-3 focus:ring-blue-500 focus:border-blue-500 block w-full">
                            <p class="mt-2 text-sm text-gray-500 dark:text-gray-400">Your API key is stored locally in your browser.</p>
                        </div>
                        
                        <div class="flex justify-end space-x-3">
                            <button id="cancel-button" class="px-4 py-2 border border-gray-300 dark:border-gray-600 rounded-lg text-sm font-medium hover:bg-gray-50 dark:hover:bg-gray-700">
                                Cancel
                            </button>
                            <button id="save-button" class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg text-sm font-medium">
                                Save
                            </button>
                        </div>
                    </div>
                </div>
            </div>
        `;

        if (isOpen) {
            setTimeout(() => {
                const apiKeyInput = this.shadowRoot.getElementById('api-key-input');
                const cancelButton = this.shadowRoot.getElementById('cancel-button');
                const saveButton = this.shadowRoot.getElementById('save-button');
                
                // Load saved key if exists
                const savedKey = localStorage.getItem('deepseek_api_key');
                if (savedKey) {
                    apiKeyInput.value = savedKey;
                }
                
                cancelButton.addEventListener('click', () => {
                    this.removeAttribute('open');
                });
                
                saveButton.addEventListener('click', () => {
                    const apiKey = apiKeyInput.value.trim();
                    if (apiKey) {
                        localStorage.setItem('deepseek_api_key', apiKey);
                        this.removeAttribute('open');
                    }
                });
                
                // Focus input when modal opens
                apiKeyInput.focus();
            }, 0);
        }
    }
}

customElements.define('custom-api-key-modal', CustomApiKeyModal);