// Sample employee data
let employees = [
    { id: 1, name: 'John Doe', position: 'Software Engineer', department: 'IT', avatar: 'http://static.photos/technology/200x200/1' },
    { id: 2, name: 'Jane Smith', position: 'HR Manager', department: 'Human Resources', avatar: 'http://static.photos/office/200x200/2' },
    { id: 3, name: 'Robert Johnson', position: 'Accountant', department: 'Finance', avatar: 'http://static.photos/finance/200x200/3' },
    { id: 4, name: 'Emily Davis', position: 'Marketing Specialist', department: 'Marketing', avatar: 'http://static.photos/retail/200x200/4' },
    { id: 5, name: 'Michael Brown', position: 'Operations Manager', department: 'Operations', avatar: 'http://static.photos/industry/200x200/5' },
];

let selectedEmployees = [];
let currentPayPeriod = 'January 1-15, 2023';
let currentDepartment = 'All Departments';
// Sample DTR data with Philippine format
const dtrData = [
    { 
        date: '2023-01-01', 
        day: 'Sunday',
        amIn: '--', 
        amOut: '--', 
        pmIn: '--', 
        pmOut: '--', 
        tardiness: '0.00',
        undertime: '0.00',
        overtime: '0.00',
        totalHours: '0.0', 
        status: 'Rest Day' 
    },
    { 
        date: '2023-01-02', 
        day: 'Monday',
        amIn: '08:15 AM', 
        amOut: '12:00 PM', 
        pmIn: '01:00 PM', 
        pmOut: '05:15 PM', 
        tardiness: '0.25',
        undertime: '0.00',
        overtime: '0.00',
        totalHours: '8.0', 
        status: 'Present' 
    },
    { 
        date: '2023-01-03', 
        day: 'Tuesday',
        amIn: '08:00 AM', 
        amOut: '12:00 PM', 
        pmIn: '01:00 PM', 
        pmOut: '06:30 PM', 
        tardiness: '0.00',
        undertime: '0.00',
        overtime: '1.50',
        totalHours: '9.5', 
        status: 'Present' 
    },
    { 
        date: '2023-01-04', 
        day: 'Wednesday',
        amIn: '08:45 AM', 
        amOut: '12:00 PM', 
        pmIn: '01:00 PM', 
        pmOut: '04:30 PM', 
        tardiness: '0.75',
        undertime: '0.50',
        overtime: '0.00',
        totalHours: '7.0', 
        status: 'Present' 
    },
    { 
        date: '2023-01-05', 
        day: 'Thursday',
        amIn: '--', 
        amOut: '--', 
        pmIn: '--', 
        pmOut: '--', 
        tardiness: '0.00',
        undertime: '0.00',
        overtime: '0.00',
        totalHours: '0.0', 
        status: 'Absent' 
    },
];
// Load employees into the list with search and filter
function loadEmployees() {
    const employeeList = document.querySelector('.w-full.md\\:w-1\\/3 .space-y-3');
    employeeList.innerHTML = '';
    const searchInput = document.querySelector('input[type="text"]');
    const searchTerm = searchInput.value.toLowerCase();
    
    const filteredEmployees = employees.filter(employee => {
        const matchesSearch = employee.name.toLowerCase().includes(searchTerm) || 
                           employee.position.toLowerCase().includes(searchTerm) ||
                           employee.department.toLowerCase().includes(searchTerm);
        const matchesDepartment = currentDepartment === 'All Departments' || 
                               employee.department === currentDepartment;
        return matchesSearch && matchesDepartment;
    });
    
    filteredEmployees.forEach(employee => {
        const isSelected = selectedEmployees.some(e => e.id === employee.id);
        const employeeCard = document.createElement('div');
        employeeCard.className = `employee-card bg-white p-4 rounded-lg border ${isSelected ? 'border-blue-500 bg-blue-50' : 'border-gray-200'} hover:border-blue-300 hover:shadow-sm transition-all cursor-pointer`;
        employeeCard.dataset.id = employee.id;
        employeeCard.innerHTML = `
            <div class="flex items-center gap-4">
                <img src="${employee.avatar}" alt="${employee.name}" class="w-12 h-12 rounded-full object-cover">
                <div>
                    <h3 class="font-medium text-gray-800">${employee.name}</h3>
                    <p class="text-sm text-gray-500">${employee.position} • ${employee.department}</p>
                </div>
                <button class="ml-auto text-blue-500 hover:text-blue-700">
                    <i data-feather="${isSelected ? 'check-circle' : 'plus-circle'}" class="w-5 h-5"></i>
                </button>
            </div>
        `;
        employeeList.appendChild(employeeCard);
    });
    
    updateSelectedEmployeesList();
    feather.replace();
}
// Update selected employees list
function updateSelectedEmployeesList() {
    const selectedContainer = document.querySelector('.bg-gray-100.rounded-lg.p-4 .flex');
    selectedContainer.innerHTML = '';
    
    selectedEmployees.forEach(employee => {
        const chip = document.createElement('div');
        chip.className = 'bg-blue-100 text-blue-800 px-3 py-1 rounded-full text-sm flex items-center gap-1';
        chip.innerHTML = `
            ${employee.name} 
            <button class="text-blue-500 hover:text-blue-700" data-id="${employee.id}">
                <i data-feather="x" class="w-3 h-3"></i>
            </button>
        `;
        selectedContainer.appendChild(chip);
    });
    
    feather.replace();
}

// Load DTR data into the table
function loadDTRData() {
    const dtrTableBody = document.querySelector('table tbody');
    dtrTableBody.innerHTML = '';
    
    // Only show data if employees are selected
    if (selectedEmployees.length === 0) {
        const row = document.createElement('tr');
        row.innerHTML = `<td colspan="11" class="py-4 text-center text-gray-500">Select employees to view their DTR</td>`;
        dtrTableBody.appendChild(row);
        return;
    }
    
    dtrData.forEach(record => {
        const row = document.createElement('tr');
        row.className = 'hover:bg-gray-50';
        row.innerHTML = `
            <td class="py-3 px-4">${record.date}</td>
            <td class="py-3 px-4">${record.day}</td>
            <td class="py-3 px-4">${record.amIn}</td>
            <td class="py-3 px-4">${record.amOut}</td>
            <td class="py-3 px-4">${record.pmIn}</td>
            <td class="py-3 px-4">${record.pmOut}</td>
            <td class="py-3 px-4">${record.tardiness}</td>
            <td class="py-3 px-4">${record.undertime}</td>
            <td class="py-3 px-4">${record.overtime}</td>
            <td class="py-3 px-4">${record.totalHours}</td>
            <td class="py-3 px-4">
                <span class="px-2 py-1 rounded-full text-xs ${
                    record.status === 'Present' ? 'bg-green-100 text-green-800' : 
                    record.status === 'Absent' ? 'bg-red-100 text-red-800' : 
                    'bg-yellow-100 text-yellow-800'
                }">
                    ${record.status}
                </span>
            </td>
        `;
        dtrTableBody.appendChild(row);
    });
}
// Event listeners for interactive elements
document.addEventListener('DOMContentLoaded', () => {
    // Search functionality
    document.querySelector('input[type="text"]').addEventListener('input', loadEmployees);
    
    // Pay period dropdown
    document.querySelector('select:nth-of-type(1)').addEventListener('change', function() {
        currentPayPeriod = this.value;
        loadDTRData();
    });
    
    // Department dropdown
    document.querySelector('select:nth-of-type(2)').addEventListener('change', function() {
        currentDepartment = this.value;
        loadEmployees();
    });
    
    // Add employee button
    document.querySelector('.bg-blue-500').addEventListener('click', function() {
        // In a real app, this would open a modal for adding a new employee
        alert('Add employee functionality would go here');
    });
    
    // Generate DTR button
    document.querySelector('.mt-6 .bg-blue-500').addEventListener('click', function() {
        if (selectedEmployees.length === 0) {
            alert('Please select at least one employee');
            return;
        }
        
        // In a real app, this would generate and download the DTR
        alert(`Generating DTR for ${selectedEmployees.length} employees for ${currentPayPeriod}`);
    });
    
    // Cancel button
    document.querySelector('.mt-6 .border-gray-300').addEventListener('click', function() {
        selectedEmployees = [];
        loadEmployees();
        loadDTRData();
    });
    
    // Employee selection
    document.addEventListener('click', function(e) {
        // Employee card click
        if (e.target.closest('.employee-card')) {
            const card = e.target.closest('.employee-card');
            const employeeId = parseInt(card.dataset.id);
            const employee = employees.find(e => e.id === employeeId);
            
            const index = selectedEmployees.findIndex(e => e.id === employeeId);
            if (index === -1) {
                selectedEmployees.push(employee);
            } else {
                selectedEmployees.splice(index, 1);
            }
            
            loadEmployees();
            loadDTRData();
        }
        
        // Remove selected employee chip
        if (e.target.closest('.bg-blue-100 button')) {
            const button = e.target.closest('button');
            const employeeId = parseInt(button.dataset.id);
            selectedEmployees = selectedEmployees.filter(e => e.id !== employeeId);
            loadEmployees();
            loadDTRData();
        }
    });
});