/**
 * Terminal-style toast notification system with queuing
 */

// Toast queue management
let toastQueue = [];
let currentToast = null;

function showToast(message, type = 'info', duration = 3000) {
    // Queue if a toast is already showing
    if (currentToast) {
        toastQueue.push({ message, type, duration });
        return;
    }

    displayToast(message, type, duration);
}

function displayToast(message, type, duration) {
    // Create toast element
    const toast = document.createElement('div');
    toast.className = `terminal-toast toast-${type}`;
    currentToast = toast;

    // Icon based on type
    const icons = {
        success: '✓',
        error: '✗',
        info: 'ℹ',
        warning: '⚠'
    };

    toast.innerHTML = `
        <span class="toast-icon">[${icons[type] || 'ℹ'}]</span>
        <span class="toast-message">${message}</span>
        <span class="toast-close" style="margin-left: auto; cursor: pointer; opacity: 0.7; padding-left: 1rem;">[×]</span>
    `;

    // Add to document
    document.body.appendChild(toast);

    // Trigger animation
    setTimeout(() => toast.classList.add('show'), 10);

    // Manual dismiss handler
    const closeBtn = toast.querySelector('.toast-close');
    closeBtn.addEventListener('click', () => dismissToast(toast));

    // Auto-remove after duration
    const timeoutId = setTimeout(() => {
        dismissToast(toast);
    }, duration);

    // Store timeout ID for manual dismiss
    toast.timeoutId = timeoutId;
}

function dismissToast(toast) {
    // Clear auto-dismiss timeout
    if (toast.timeoutId) {
        clearTimeout(toast.timeoutId);
    }

    toast.classList.remove('show');
    setTimeout(() => {
        toast.remove();
        currentToast = null;

        // Show next toast in queue
        if (toastQueue.length > 0) {
            const next = toastQueue.shift();
            displayToast(next.message, next.type, next.duration);
        }
    }, 300);
}

// Convenience functions
window.toast = {
    success: (msg, duration) => showToast(msg, 'success', duration),
    error: (msg, duration) => showToast(msg, 'error', duration),
    info: (msg, duration) => showToast(msg, 'info', duration),
    warning: (msg, duration) => showToast(msg, 'warning', duration)
};