/** @format */

/**
 * @class HomeIndicator
 * @extends Component
 * @description A component that renders the iPhone-style home indicator.
 * Provides navigation back to the home screen via click or swipe gestures.
 * Currently implements click handling, with swipe gesture support planned for future.
 */
class HomeIndicator extends Component {
    /**
     * @constructor
     * @param {Object} props - Component properties
     */
    constructor(props) {
        super(props);

        // Bind event handlers
        this.handleClick = this.handleClick.bind(this);
        this.handleSwipeUp = this.handleSwipeUp.bind(this);

        // Touch event state for future swipe implementation
        this.touchStartY = 0;
    }

    /**
     * Resets the app state and navigates to home screen
     * @private
     */
    handleClick() {
        globalState.setState({
            currentApp: 'home',
            selectedConversation: null,
            selectedContact: null,
            showModal: false,
        });
    }

    /**
     * Handles swipe up gesture
     * @param {Event} e - Touch/swipe event object
     * @private
     * @todo Implement proper swipe gesture detection
     */
    handleSwipeUp(e) {
        // Simple click handler for now, swipe gesture to be implemented
        this.handleClick();
    }

    /**
     * Render the home indicator
     * @returns {HTMLElement} The rendered home indicator element
     */
    render() {
        return this.createElement(
            'div',
            {
                className: 'home-indicator-container',
                onClick: this.handleClick,
                role: 'button',
                'aria-label': 'Return to home screen',
                tabIndex: 0,
                onKeyPress: (e) => {
                    if (e.key === 'Enter' || e.key === ' ') {
                        this.handleClick();
                    }
                },
            },
            this.createElement('div', {
                className: 'home-indicator',
                'aria-hidden': 'true',
            })
        );
    }
}
