// API base URL
const API_BASE = '/api/v1/client';

function toggleAccordion(accordionId) {
    const accordion = document.getElementById(accordionId);
    accordion.classList.toggle('active');
    
    // const allAccordions = document.querySelectorAll('.accordion');
    // allAccordions.forEach(acc => {
    //     if (acc.id !== accordionId && acc.classList.contains('active')) {
    //         acc.classList.remove('active');
    //     }
    // });
}

function formatTime(milliseconds) {
    if (!milliseconds) return '0m';
    
    const seconds = Math.floor(milliseconds / 1000);
    const hours = Math.floor(seconds / 3600);
    const minutes = Math.floor((seconds % 3600) / 60);
    
    if (hours > 0) {
        return `${hours}h ${minutes}m ${seconds % 60}s`;
    }
    return `${minutes}m ${seconds % 60}s`;
}

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

function formatTimeOnly(dateString) {
    const date = new Date(dateString);
    return date.toLocaleTimeString('en-US', {
        hour: '2-digit',
        minute: '2-digit',
        second: '2-digit'
    });
}

function calculateTotalIndividualLogsHours(workTrackLogs) {
    let total = 0;
    workTrackLogs.forEach(workTrack => {
        if (workTrack.logs && Array.isArray(workTrack.logs)) {
            workTrack.logs.forEach(log => {
                total += log.totalTime || 0;
            });
        }
    });
    return total;
}

function countIndividualLogs(workTrackLogs) {
    let count = 0;
    workTrackLogs.forEach(workTrack => {
        if (workTrack.logs && Array.isArray(workTrack.logs)) {
            count += workTrack.logs.length;
        }
    });
    return count;
}

function calculateTotalHours(logs) {
    return logs.reduce((total, log) => total + (log.totalTime || 0), 0);
}

// Create project accordion
function createProjectAccordion(projectData, index) {
    const workTrackLogs = projectData.workTrackLogs || [];
    const totalHours = calculateTotalIndividualLogsHours(workTrackLogs);
    const individualLogsCount = countIndividualLogs(workTrackLogs);
    const projectName = projectData.projectDetails?.name || `Project ${index + 1}`;
    
    const accordionId = `project-${index}`;
    
    return `
        <div class="accordion" id="${accordionId}">
            <div class="accordion-header" onclick="toggleAccordion('${accordionId}')">
                <div class="accordion-title">
                    ${projectName}
                    <span class="logs-count">${individualLogsCount} activities</span>
                </div>
                <div style="display: flex; align-items: center; gap: 1rem;">
                    <div style="text-align: right;">
                        <div class="time-badge">${formatTime(totalHours)}</div>
                    </div>
                    <i class="fas fa-chevron-down accordion-icon"></i>
                </div>
            </div>
            <div class="accordion-content">
                ${individualLogsCount > 0 ? createIndividualLogsTable(workTrackLogs) : createNoLogsMessage()}
            </div>
        </div>
    `;
}

// Create table for individual log entries
function createIndividualLogsTable(workTrackLogs) {
    // Collect all individual logs from all work tracks
    const allIndividualLogs = [];
    workTrackLogs.forEach(workTrack => {
        if (workTrack.logs && Array.isArray(workTrack.logs)) {
            workTrack.logs.forEach(log => {
                allIndividualLogs.push(log);
            });
        }
    });

    return `
        <div class="table-wrapper">
            <table class="data-table">
                <thead>
                    <tr>
                        <th>Title</th>
                        <th>App Name</th>
                        <th>From</th>
                        <th>To</th>
                        <th>Total Time</th>
                    </tr>
                </thead>
                <tbody>
                    ${allIndividualLogs.map((log, index) => createIndividualLogRow(log, index)).join('')}
                </tbody>
            </table>
        </div>
    `;
}

// Create a single row for individual log entry
function createIndividualLogRow(log, index) {
    const title = log.title || `Activity ${index + 1}`;
    const appName = log.appName || 'Unknown App';
    
    // Parse dates
    const fromDate = log.from;
    const toDate = log.to || log.from;
    
    // Calculate duration
    let duration = log.totalTime || 0;
    if (!duration && fromDate && toDate) {
        const from = new Date(fromDate);
        const to = new Date(toDate);
        duration = Math.floor((to - from) / 1000);
    }

    return `
        <tr>
            <td>
                <strong>${title}</strong>
            </td>
            <td>${appName}</td>
            <td>
                <div class="datetime-cell">
                    <div class="date-text">${formatDate(fromDate)}</div>
                    <div class="time-text">${formatTimeOnly(fromDate)}</div>
                </div>
            </td>
            <td>
                <div class="datetime-cell">
                    <div class="date-text">${formatDate(toDate)}</div>
                    <div class="time-text">${formatTimeOnly(toDate)}</div>
                </div>
            </td>
            <td>
                <span class="time-badge">${formatTime(duration)}</span>
            </td>
        </tr>
    `;
}

// Create no logs message
function createNoLogsMessage() {
    return `
        <div style="text-align: center; padding: 2rem; color: #64748b;">
            <i class="fas fa-clipboard"></i>
            <h4>No Activity Logs</h4>
            <p>No detailed activity logs available for this project.</p>
        </div>
    `;
}

// Load VA logs
async function loadVALogs() {
    const loadingState = document.getElementById('loadingState');
    const emptyState = document.getElementById('emptyState');
    const projectsContainer = document.getElementById('projectsContainer');

    try {
        // Get VA ID from URL
        const urlParams = new URLSearchParams(window.location.search);
        const vaId = urlParams.get('va');
        
        if (!vaId) {
            window.location.href = '/client/virtual-assistants';
            return;
        }

        // Fetch VA logs data
        const response = await fetchWithAuth(`${API_BASE}/vaLogsData/${vaId}`);
        
        if (!response || !response.ok) {
            throw new Error('Failed to load VA logs');
        }

        const data = await response.json();

        if (!data.success) {
            throw new Error(data.message || 'Failed to load VA logs');
        }

        // Hide loading state
        loadingState.style.display = 'none';

        const projectLogs = data.data?.projectLogs || [];

        // Handle empty state
        if (projectLogs.length === 0) {
            emptyState.style.display = 'block';
            projectsContainer.style.display = 'none';
            return;
        }

        // Show projects container
        projectsContainer.style.display = 'block';
        emptyState.style.display = 'none';

        // Create accordions for each project
        let accordionsHTML = '';
        projectLogs.forEach((project, index) => {
            accordionsHTML += createProjectAccordion(project, index);
        });

        projectsContainer.innerHTML = accordionsHTML;

        // Auto-open first accordion
        if (projectLogs.length > 0) {
            setTimeout(() => {
                const firstAccordion = document.getElementById('project-0');
                if (firstAccordion) {
                    firstAccordion.classList.add('active');
                }
            }, 100);
        }

    } catch (error) {
        console.error("Error loading VA logs:", error);
        loadingState.style.display = 'none';
        projectsContainer.style.display = 'none';
        
        // Show error in empty state
        emptyState.innerHTML = `
            <i class="fas fa-exclamation-triangle"></i>
            <h3>Error Loading Data</h3>
            <p>${error.message}</p>
            <button onclick="loadVALogs()" class="btn btn-primary" style="margin-top: 1rem;">
                <i class="fas fa-redo"></i> Retry
            </button>
        `;
        emptyState.style.display = 'block';
    }
}

document.addEventListener('DOMContentLoaded', function () {

    // Mobile menu toggle
    const menuToggle = document.querySelector('.mobile-menu-button');
    const sidebar = document.querySelector('.dashboard-sidebar');
    menuToggle.addEventListener('click', () => {
        sidebar.classList.toggle('active');
    });

    // Close modal with escape key
    document.addEventListener('keydown', function (e) {
        if (e.key === 'Escape') {
            closeLogoutModal();
        }
    });

    document.getElementById('logoutModal').addEventListener('click', function (e) {
        if (e.target === this) {
            closeLogoutModal();
        }
    });

    // Logout button - opens confirmation modal instead of directly logging out
    document.getElementById('logoutButton').addEventListener('click', openLogoutModal);

    // Confirm logout button
    document.getElementById('confirmLogoutBtn').addEventListener('click', handleLogout);

    // Load VA logs on page load
    loadVALogs();
});