/**
 * Allegro-Primus Dashboard JavaScript
 * Handles real-time updates, charts, and interactivity
 */

// Auto-refresh configuration
const AUTO_REFRESH_INTERVAL = 30000; // 30 seconds
let refreshTimer = null;

// Initialize dashboard
document.addEventListener('DOMContentLoaded', function() {
    initDashboard();
    startAutoRefresh();
    initCharts();
});

function initDashboard() {
    // Add click handlers for table rows
    document.querySelectorAll('.data-table tbody tr').forEach(row => {
        row.style.cursor = 'pointer';
        row.addEventListener('click', function() {
            this.classList.toggle('selected');
        });
    });

    // Initialize tooltips if needed
    initTooltips();
}

function initTooltips() {
    // Simple tooltip implementation
    document.querySelectorAll('[title]').forEach(el => {
        el.addEventListener('mouseenter', showTooltip);
        el.addEventListener('mouseleave', hideTooltip);
    });
}

function showTooltip(e) {
    const tooltip = document.createElement('div');
    tooltip.className = 'tooltip';
    tooltip.textContent = e.target.getAttribute('title');
    document.body.appendChild(tooltip);
    
    const rect = e.target.getBoundingClientRect();
    tooltip.style.left = rect.left + 'px';
    tooltip.style.top = (rect.bottom + 5) + 'px';
}

function hideTooltip() {
    document.querySelectorAll('.tooltip').forEach(t => t.remove());
}

function initCharts() {
    // Charts are initialized in individual templates
    // This is for any global chart configuration
    Chart.defaults.color = '#94a3b8';
    Chart.defaults.borderColor = '#334155';
}

// Auto-refresh functionality
function startAutoRefresh() {
    refreshTimer = setInterval(refreshData, AUTO_REFRESH_INTERVAL);
}

function stopAutoRefresh() {
    if (refreshTimer) {
        clearInterval(refreshTimer);
        refreshTimer = null;
    }
}

async function refreshData() {
    try {
        // Refresh metrics
        const metricsResponse = await fetch('/api/metrics');
        if (metricsResponse.ok) {
            const data = await metricsResponse.json();
            updateMetricsDisplay(data.current);
        }

        // Refresh status
        const statusResponse = await fetch('/api/status');
        if (statusResponse.ok) {
            const status = await statusResponse.json();
            updateStatusDisplay(status);
        }
    } catch (error) {
        console.error('Error refreshing data:', error);
    }
}

function updateMetricsDisplay(metrics) {
    // Update metric cards if they exist
    const successRateEl = document.querySelector('.metric-card.success .metric-value');
    if (successRateEl) {
        successRateEl.textContent = (metrics.success_rate * 100).toFixed(1) + '%';
    }
}

function updateStatusDisplay(status) {
    // Update status indicators
    console.log('Status updated:', status);
}

// API helper functions
const API = {
    async getStatus() {
        const response = await fetch('/api/status');
        return response.json();
    },

    async getMetrics() {
        const response = await fetch('/api/metrics');
        return response.json();
    },

    async getJournal(limit = 50, offset = 0) {
        const response = await fetch(`/api/journal?limit=${limit}&offset=${offset}`);
        return response.json();
    },

    async getIssues(state = 'all') {
        const response = await fetch(`/api/issues?state=${state}`);
        return response.json();
    },

    async getKnowledge() {
        const response = await fetch('/api/knowledge');
        return response.json();
    },

    async healthCheck() {
        const response = await fetch('/api/health');
        return response.json();
    }
};

// Export data functionality
function exportData(format) {
    window.location.href = `/export/${format}`;
}

// Search functionality for journal
function searchJournal(query) {
    const rows = document.querySelectorAll('.journal-table tbody tr');
    rows.forEach(row => {
        const text = row.textContent.toLowerCase();
        row.style.display = text.includes(query.toLowerCase()) ? '' : 'none';
    });
}

// Filter functionality
function filterByStatus(status) {
    const rows = document.querySelectorAll('.journal-table tbody tr');
    rows.forEach(row => {
        const rowStatus = row.querySelector('.badge');
        if (status === 'all' || (rowStatus && rowStatus.classList.contains(status))) {
            row.style.display = '';
        } else {
            row.style.display = 'none';
        }
    });
}

// Modal functionality
function showModal(content) {
    const modal = document.getElementById('entryModal');
    const modalContent = document.getElementById('modalContent');
    
    if (modal && modalContent) {
        modalContent.innerHTML = content;
        modal.style.display = 'block';
    }
}

function hideModal() {
    const modal = document.getElementById('entryModal');
    if (modal) {
        modal.style.display = 'none';
    }
}

// Close modal when clicking outside
document.addEventListener('click', function(e) {
    const modal = document.getElementById('entryModal');
    if (e.target === modal) {
        hideModal();
    }
});

// Keyboard shortcuts
document.addEventListener('keydown', function(e) {
    // ESC to close modal
    if (e.key === 'Escape') {
        hideModal();
    }
    
    // R to refresh
    if (e.key === 'r' && !e.ctrlKey && !e.metaKey) {
        refreshData();
    }
});

// Notification system
function showNotification(message, type = 'info') {
    const notification = document.createElement('div');
    notification.className = `notification notification-${type}`;
    notification.innerHTML = `
        <i class="fas fa-${type === 'success' ? 'check' : type === 'error' ? 'exclamation' : 'info'}-circle"></i>
        <span>${message}</span>
    `;
    
    document.body.appendChild(notification);
    
    setTimeout(() => {
        notification.classList.add('show');
    }, 10);
    
    setTimeout(() => {
        notification.classList.remove('show');
        setTimeout(() => notification.remove(), 300);
    }, 3000);
}

// Utility functions
function formatDate(dateString) {
    const date = new Date(dateString);
    return date.toLocaleString();
}

function formatDuration(ms) {
    if (ms < 1000) return ms + 'ms';
    if (ms < 60000) return (ms / 1000).toFixed(1) + 's';
    return (ms / 60000).toFixed(1) + 'm';
}

function debounce(func, wait) {
    let timeout;
    return function executedFunction(...args) {
        const later = () => {
            clearTimeout(timeout);
            func(...args);
        };
        clearTimeout(timeout);
        timeout = setTimeout(later, wait);
    };
}

// Performance monitoring
function measurePerformance() {
    const perfData = performance.getEntriesByType('navigation')[0];
    console.log('Page load time:', perfData.loadEventEnd - perfData.loadEventStart, 'ms');
}

// Log dashboard load
console.log('🚀 Allegro-Primus Dashboard loaded');
console.log('Press R to refresh data');