// Sentinel Hawk - Accounts Management Script

// Mock data for demonstration
const mockAccounts = [
    {
        id: 1,
        username: '@elonmusk',
        userId: '44196397',
        platform: 'twitter',
        createdAt: '2024-01-15T10:30:00Z',
        status: 'ACTIVE',
        avatar: 'https://static.photos/people/200x200/1'
    },
    {
        id: 2,
        username: '@sama',
        userId: '50393960',
        platform: 'twitter',
        createdAt: '2024-02-20T14:15:00Z',
        status: 'ACTIVE',
        avatar: 'https://static.photos/people/200x200/2'
    },
    {
        id: 3,
        username: '+1-555-0123',
        userId: 'whatsapp_12345',
        platform: 'whatsapp',
        createdAt: '2024-03-01T09:00:00Z',
        status: 'INACTIVE',
        avatar: 'https://static.photos/people/200x200/3'
    },
    {
        id: 4,
        username: '@naval',
        userId: '745273',
        platform: 'twitter',
        createdAt: '2024-03-10T16:45:00Z',
        status: 'ACTIVE',
        avatar: 'https://static.photos/people/200x200/4'
    },
    {
        id: 5,
        username: '+1-555-0456',
        userId: 'whatsapp_67890',
        platform: 'whatsapp',
        createdAt: '2024-03-15T11:20:00Z',
        status: 'INACTIVE',
        avatar: 'https://static.photos/people/200x200/5'
    },
    {
        id: 6,
        username: '@paulg',
        userId: '183749319',
        platform: 'twitter',
        createdAt: '2024-03-20T08:30:00Z',
        status: 'ACTIVE',
        avatar: 'https://static.photos/people/200x200/6'
    }
];

// State management
let accounts = [];
let isLoading = false;
let error = null;

// DOM Elements
const elements = {
    loadingState: document.getElementById('loading-state'),
    errorState: document.getElementById('error-state'),
    emptyState: document.getElementById('empty-state'),
    successState: document.getElementById('success-state'),
    tableBody: document.getElementById('accounts-table-body'),
    errorMessage: document.getElementById('error-message'),
    statTotal: document.getElementById('stat-total'),
    statActive: document.getElementById('stat-active'),
    statInactive: document.getElementById('stat-inactive'),
    lastUpdated: document.getElementById('last-updated'),
    showingCount: document.getElementById('showing-count'),
    toast: document.getElementById('toast'),
    toastTitle: document.getElementById('toast-title'),
    toastMessage: document.getElementById('toast-message'),
    toastIcon: document.getElementById('toast-icon')
};

// Simulated API calls
const mockApi = {
    async fetchAccounts() {
        // Simulate network delay
        await new Promise(resolve => setTimeout(resolve, 1500));
        
        // Random error simulation (10% chance)
        if (Math.random() < 0.1) {
            throw new Error('Network error: Failed to fetch accounts from server');
        }
        
        return [...mockAccounts];
    },

    async toggleAccountStatus(accountId, newStatus) {
        await new Promise(resolve => setTimeout(resolve, 800));
        
        // Random error simulation (5% chance)
        if (Math.random() < 0.05) {
            throw new Error('Failed to update account status');
        }
        
        return { success: true, newStatus };
    }
};

// Core functions
async function fetchData() {
    isLoading = true;
    error = null;
    updateUI();

    try {
        accounts = await mockApi.fetchAccounts();
        updateStats();
        updateLastUpdated();
    } catch (err) {
        error = err.message || 'An unexpected error occurred';
        console.error('Fetch error:', err);
    } finally {
        isLoading = false;
        updateUI();
    }
}

function refreshData() {
    fetchData();
}

function updateStats() {
    const total = accounts.length;
    const active = accounts.filter(a => a.status === 'ACTIVE').length;
    const inactive = accounts.filter(a => a.status === 'INACTIVE').length;

    animateCounter(elements.statTotal, parseInt(elements.statTotal.textContent), total);
    animateCounter(elements.statActive, parseInt(elements.statActive.textContent), active);
    animateCounter(elements.statInactive, parseInt(elements.statInactive.textContent), inactive);
}

function animateCounter(element, start, end) {
    const duration = 600;
    const startTime = performance.now();

    function update(currentTime) {
        const elapsed = currentTime - startTime;
        const progress = Math.min(elapsed / duration, 1);
        
        // Ease out cubic
        const easeProgress = 1 - Math.pow(1 - progress, 3);
        const current = Math.round(start + (end - start) * easeProgress);
        
        element.textContent = current;

        if (progress < 1) {
            requestAnimationFrame(update);
        }
    }

    requestAnimationFrame(update);
}

function updateLastUpdated() {
    const now = new Date();
    elements.lastUpdated.textContent = `Last updated: ${now.toLocaleTimeString()}`;
}

function updateUI() {
    // Hide all states
    elements.loadingState.classList.add('hidden');
    elements.errorState.classList.add('hidden');
    elements.emptyState.classList.add('hidden');
    elements.successState.classList.add('hidden');

    if (isLoading) {
        elements.loadingState.classList.remove('hidden');
    } else if (error) {
        elements.errorState.classList.remove('hidden');
        elements.errorMessage.textContent = error;
    } else if (accounts.length === 0) {
        elements.emptyState.classList.remove('hidden');
    } else {
        elements.successState.classList.remove('hidden');
        renderTable();
    }
}

function renderTable() {
    elements.tableBody.innerHTML = '';
    elements.showingCount.textContent = accounts.length;

    accounts.forEach((account, index) => {
        const row = document.createElement('tr');
        row.className = 'hover:bg-gray-50/80 transition-colors duration-200 table-row-hover group';
        row.style.animationDelay = `${index * 0.05}s`;

        const platformIcon = account.platform === 'twitter' 
            ? '<i data-feather="twitter" class="w-4 h-4 text-[#1da1f2]"></i>'
            : '<i data-feather="message-circle" class="w-4 h-4 text-[#25d366]"></i>';

        const platformName = account.platform === 'twitter' ? 'Twitter' : 'WhatsApp';

        const statusBadge = account.status === 'ACTIVE'
            ? `<span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-green-100 text-green-800 status-active"><span class="w-1.5 h-1.5 bg-green-500 rounded-full mr-1.5 animate-pulse"></span>Active</span>`
            : `<span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-yellow-100 text-yellow-800"><span class="w-1.5 h-1.5 bg-yellow-500 rounded-full mr-1.5"></span>Inactive</span>`;

        const actionButton = account.status === 'ACTIVE'
            ? `<button onclick="toggleStatus(${account.id})" class="inline-flex items-center gap-1.5 px-3 py-1.5 border border-transparent text-xs font-medium rounded-md text-white bg-red-600 hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-red-500 transition-all duration-200 btn-press"><i data-feather="power" class="w-3 h-3"></i>Deactivate</button>`
            : `<button onclick="toggleStatus(${account.id})" class="inline-flex items-center gap-1.5 px-3 py-1.5 border border-transparent text-xs font-medium rounded-md text-white bg-green-600 hover:bg-green-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500 transition-all duration-200 btn-press"><i data-feather="play" class="w-3 h-3"></i>Activate</button>`;

        row.innerHTML = `
            <td class="px-6 py-4 whitespace-nowrap">
                <div class="flex items-center">
                    <div class="flex-shrink-0 h-10 w-10">
                        <img class="h-10 w-10 rounded-full object-cover ring-2 ring-gray-100" src="${account.avatar}" alt="">
                    </div>
                    <div class="ml-4">
                        <div class="text-sm font-medium text-amber-600 hover:text-amber-700 cursor-pointer">${account.username}</div>
                        <div class="text-xs text-gray-500">ID: ${account.userId}</div>
                    </div>
                </div>
            </td>
            <td class="px-6 py-4 whitespace-nowrap">
                <div class="flex items-center gap-2">
                    ${platformIcon}
                    <span class="text-sm text-gray-700">${platformName}</span>
                </div>
            </td>
            <td class="px-6 py-4 whitespace-nowrap">
                <div class="text-sm text-gray-700">${formatDate(account.createdAt)}</div>
                <div class="text-xs text-gray-500">${timeAgo(account.createdAt)}</div>
            </td>
            <td class="px-6 py-4 whitespace-nowrap">
                ${statusBadge}
            </td>
            <td class="px-6 py-4 whitespace-nowrap text-right">
                ${actionButton}
            </td>
        `;

        elements.tableBody.appendChild(row);
    });

    // Re-initialize feather icons for new content
    feather.replace();
}

function formatDate(dateString) {
    const date = new Date(dateString);
    return date.toLocaleDateString('en-US', { 
        year: 'numeric', 
        month: 'short', 
        day: 'numeric' 
    });
}

function timeAgo(dateString) {
    const date = new Date(dateString);
    const now = new Date();
    const seconds = Math.floor((now - date) / 1000);
    
    let interval = Math.floor(seconds / 31536000);
    if (interval > 1) return `${interval} years ago`;
    if (interval === 1) return '1 year ago';
    
    interval = Math.floor(seconds / 2592000);
    if (interval > 1) return `${interval} months ago`;
    if (interval === 1) return '1 month ago';
    
    interval = Math.floor(seconds / 86400);
    if (interval > 1) return `${interval} days ago`;
    if (interval === 1) return '1 day ago';
    
    interval = Math.floor(seconds / 3600);
    if (interval > 1) return `${interval} hours ago`;
    if (interval === 1) return '1 hour ago';
    
    interval = Math.floor(seconds / 60);
    if (interval > 1) return `${interval} minutes ago`;
    
    return 'Just now';
}

async function toggleStatus(accountId) {
    const account = accounts.find(a => a.id === accountId);
    if (!account) return;

    const newStatus = account.status === 'ACTIVE' ? 'INACTIVE' : 'ACTIVE';
    const actionText = newStatus === 'ACTIVE' ? 'activated' : 'deactivated';

    try {
        // Optimistic update
        account.status = newStatus;
        renderTable();
        
        // API call
        await mockApi.toggleAccountStatus(accountId, newStatus);
        
        // Show success toast
        showToast('success', 'Status Updated', `Account ${account.username} has been ${actionText}`);
        updateStats();
        
    } catch (err) {
        // Revert on error
        account.status = account.status === 'ACTIVE' ? 'INACTIVE' : 'ACTIVE';
        renderTable();
        showToast('error', 'Update Failed', err.message || 'Failed to update account status');
    }
}

function showToast(type, title, message) {
    const toast = elements.toast;
    const toastTitle = elements.toastTitle;
    const toastMessage = elements.toastMessage;
    const toastIcon = elements.toastIcon;

    // Set content
    toastTitle.textContent = title;
    toastMessage.textContent = message;

    // Set icon and colors
    if (type === 'success') {
        toastIcon.className = 'w-10 h-10 rounded-full bg-green-100 flex items-center justify-center';
        toastIcon.innerHTML = '<i data-feather="check" class="w-5 h-5 text-green-600"></i>';
    } else {
        toastIcon.className = 'w-10 h-10 rounded-full bg-red-100 flex items-center justify-center';
        toastIcon.innerHTML = '<i data-feather="alert-circle" class="w-5 h-5 text-red-600"></i>';
    }

    // Show toast
    toast.classList.remove('translate-y-20', 'opacity-0');
    feather.replace();

    // Auto hide after 5 seconds
    setTimeout(() => {
        hideToast();
    }, 5000);
}

function hideToast() {
    elements.toast.classList.add('translate-y-20', 'opacity-0');
}

// Initialize on page load
document.addEventListener('DOMContentLoaded', () => {
    fetchData();
});