{% extends "base_authenticated.html" %}

{% block title %}Add Manual Attendance Record - QR Code Management{% endblock %}

{% block extra_head %}
<style>
.manual-attendance-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
}

.form-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 2rem;
}

.form-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e0e0e0;
}

.form-header h1 {
    margin: 0 0 0.5rem 0;
    color: #333;
    font-size: 1.75rem;
}

.form-header p {
    margin: 0;
    color: #666;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-group label .required {
    color: #dc3545;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

.form-control:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
}

.autocomplete-container {
    position: relative;
}

.autocomplete-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #ddd;
    border-top: none;
    border-radius: 0 0 4px 4px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.autocomplete-results.show {
    display: block;
}

.autocomplete-item {
    padding: 0.75rem;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
}

.autocomplete-item:hover {
    background-color: #f8f9fa;
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.employee-info {
    display: flex;
    justify-content: space-between;
}

.employee-name {
    font-weight: 600;
    color: #333;
}

.employee-id {
    color: #666;
    font-size: 0.9rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: #007bff;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #545b62;
}

.btn i {
    margin-right: 0.5rem;
}

.loading-spinner {
    display: none;
    text-align: center;
    padding: 1rem;
    color: #007bff;
}

.loading-spinner.show {
    display: block;
}

.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-info {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

.help-text {
    font-size: 0.875rem;
    color: #666;
    margin-top: 0.25rem;
}
</style>
{% endblock %}

{% block content %}
<div class="manual-attendance-container">
    <div class="form-card">
        <div class="form-header">
            <h1>
                <i class="fas fa-user-plus"></i>
                Add Manual Attendance Record
            </h1>
            <p>Create a new attendance record manually for employees who couldn't check in via QR code</p>
        </div>

        <div class="alert alert-info">
            <i class="fas fa-info-circle"></i>
            The system will automatically use the QR code's location address for both QR Address and Check-in Address, 
            with a fixed distance of 0.010 miles.
        </div>

        <form id="manualAttendanceForm" method="POST" action="{{ url_for('attendance.save_manual_attendance') }}">
      <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
            <!-- Employee Selection with Autocomplete -->
            <div class="form-group">
                <label for="employee_search">
                    Employee <span class="required">*</span>
                </label>
                <div class="autocomplete-container">
                    <input 
                        type="text" 
                        id="employee_search" 
                        class="form-control" 
                        placeholder="Search by employee name or ID..."
                        autocomplete="off"
                        required
                    >
                    <input type="hidden" id="employee_id" name="employee_id" required>
                    <div id="autocomplete_results" class="autocomplete-results"></div>
                </div>
                <div class="help-text">Start typing to search for employees by name or ID</div>
            </div>

            <!-- Project Selection -->
            <div class="form-group">
                <label for="project_id">
                    Project <span class="required">*</span>
                </label>
                <select id="project_id" name="project_id" class="form-control" required>
                    <option value="">-- Select Project --</option>
                    {% for project in projects %}
                    <option value="{{ project.id }}">{{ project.name }}</option>
                    {% endfor %}
                </select>
                <div class="help-text">Select the project associated with this attendance record</div>
            </div>

            <!-- Location Selection -->
            <div class="form-group">
                <label for="location_select">
                    Location <span class="required">*</span>
                </label>
                <select id="location_select" class="form-control" required disabled>
                    <option value="">-- Select Project First --</option>
                </select>
                <div class="help-text">Locations will be loaded based on the selected project (each location shown once)</div>
                <div id="location_loading" class="loading-spinner">
                    <i class="fas fa-spinner fa-spin"></i> Loading locations...
                </div>
            </div>

            <!-- Event Type Selection -->
            <div class="form-group">
                <label for="event_type_select">
                    Event Type <span class="required">*</span>
                </label>
                <select id="event_type_select" class="form-control" required disabled>
                    <option value="">-- Select Location First --</option>
                </select>
                <div class="help-text">Select whether this is a check-in or check-out event</div>
            </div>
            
            <!-- Hidden field for the actual QR code ID that will be submitted -->
            <input type="hidden" id="location_id" name="location_id" required>

            <!-- Date and Time -->
            <div class="form-group">
                <label for="check_date">
                    Date <span class="required">*</span>
                </label>
                <input 
                    type="date" 
                    id="check_date" 
                    name="check_date" 
                    class="form-control" 
                    max="{{ today_date }}"
                    required
                >
                <div class="help-text">The date of the attendance record</div>
            </div>

            <div class="form-group">
                <label for="check_time">
                    Time <span class="required">*</span>
                </label>
                <input 
                    type="time" 
                    id="check_time" 
                    name="check_time" 
                    class="form-control" 
                    required
                >
                <div class="help-text">The time of the attendance record</div>
            </div>

            <!-- Form Actions -->
            <div class="form-actions">
                <a href="{{ url_for('attendance.attendance_report') }}" class="btn btn-secondary">
                    <i class="fas fa-times"></i>
                    Cancel
                </a>
                <button type="submit" class="btn btn-primary" id="submitBtn">
                    <i class="fas fa-save"></i>
                    Save Record
                </button>
            </div>
        </form>
    </div>
</div>

<script>
// Employee autocomplete functionality
const employeeSearch = document.getElementById('employee_search');
const employeeIdHidden = document.getElementById('employee_id');
const autocompleteResults = document.getElementById('autocomplete_results');
let searchTimeout;

employeeSearch.addEventListener('input', function() {
    const searchTerm = this.value.trim();
    
    if (searchTerm.length < 2) {
        autocompleteResults.classList.remove('show');
        return;
    }
    
    // Debounce search
    clearTimeout(searchTimeout);
    searchTimeout = setTimeout(() => {
        fetch(`/api/search_employees?q=${encodeURIComponent(searchTerm)}`)
            .then(response => response.json())
            .then(data => {
                displayAutocompleteResults(data.employees);
            })
            .catch(error => {
                console.error('Error searching employees:', error);
            });
    }, 300);
});

function displayAutocompleteResults(employees) {
    if (employees.length === 0) {
        autocompleteResults.innerHTML = '<div class="autocomplete-item">No employees found</div>';
        autocompleteResults.classList.add('show');
        return;
    }
    
    const html = employees.map(emp => `
        <div class="autocomplete-item" onclick="selectEmployee(${emp.id}, '${emp.firstName} ${emp.lastName}')">
            <div class="employee-info">
                <span class="employee-name">${emp.lastName}, ${emp.firstName}</span>
                <span class="employee-id">ID: ${emp.id}</span>
            </div>
        </div>
    `).join('');
    
    autocompleteResults.innerHTML = html;
    autocompleteResults.classList.add('show');
}

function selectEmployee(id, name) {
    employeeIdHidden.value = id;
    employeeSearch.value = name;
    autocompleteResults.classList.remove('show');
}

// Close autocomplete when clicking outside
document.addEventListener('click', function(e) {
    if (!e.target.closest('.autocomplete-container')) {
        autocompleteResults.classList.remove('show');
    }
});

// Project selection - load locations
const projectSelect = document.getElementById('project_id');
const locationSelect = document.getElementById('location_select');
const eventTypeSelect = document.getElementById('event_type_select');
const locationIdHidden = document.getElementById('location_id');
const locationLoading = document.getElementById('location_loading');

// Store location data for later use
let locationData = {};

projectSelect.addEventListener('change', function() {
    const projectId = this.value;
    
    // Reset location and event type
    locationSelect.innerHTML = '<option value="">-- Select Location --</option>';
    locationSelect.disabled = true;
    eventTypeSelect.innerHTML = '<option value="">-- Select Location First --</option>';
    eventTypeSelect.disabled = true;
    locationIdHidden.value = '';
    locationData = {};
    
    if (!projectId) {
        locationSelect.innerHTML = '<option value="">-- Select Project First --</option>';
        return;
    }
    
    // Load locations for the selected project
    locationLoading.classList.add('show');
    
    fetch(`/api/get_project_locations?project_id=${projectId}`)
        .then(response => response.json())
        .then(data => {
            locationLoading.classList.remove('show');
            
            if (data.success && data.locations.length > 0) {
                locationSelect.disabled = false;
                
                data.locations.forEach((loc, index) => {
                    const locationKey = `loc_${index}`;
                    locationData[locationKey] = loc.qr_codes;
                    
                    const option = document.createElement('option');
                    option.value = locationKey;
                    option.textContent = `${loc.location} - ${loc.location_address}`;
                    locationSelect.appendChild(option);
                });
            } else {
                locationSelect.innerHTML = '<option value="">No active locations found for this project</option>';
            }
        })
        .catch(error => {
            locationLoading.classList.remove('show');
            console.error('Error loading locations:', error);
            alert('Error loading locations. Please try again.');
        });
});

// Location selection - populate event type options
locationSelect.addEventListener('change', function() {
    const locationKey = this.value;
    
    eventTypeSelect.innerHTML = '';
    eventTypeSelect.disabled = false;
    locationIdHidden.value = '';
    
    if (locationKey && locationData[locationKey]) {
        const qrCodes = locationData[locationKey];
        
        // Add available event types
        if (qrCodes['Check In']) {
            const option = document.createElement('option');
            option.value = qrCodes['Check In'];
            option.textContent = 'Check In';
            eventTypeSelect.appendChild(option);
        }
        
        if (qrCodes['Check Out']) {
            const option = document.createElement('option');
            option.value = qrCodes['Check Out'];
            option.textContent = 'Check Out';
            eventTypeSelect.appendChild(option);
        }
        
        if (eventTypeSelect.options.length === 0) {
            eventTypeSelect.innerHTML = '<option value="">No event types available</option>';
            eventTypeSelect.disabled = true;
        } else {
            // Set the hidden location_id to the first available option
            locationIdHidden.value = eventTypeSelect.options[0].value;
        }
    } else {
        eventTypeSelect.innerHTML = '<option value="">-- Select Location First --</option>';
        eventTypeSelect.disabled = true;
    }
});

// Event type selection - update hidden location_id field
eventTypeSelect.addEventListener('change', function() {
    locationIdHidden.value = this.value;
});

// Set default date to today
document.getElementById('check_date').valueAsDate = new Date();

// Set default time to current time
const now = new Date();
const hours = String(now.getHours()).padStart(2, '0');
const minutes = String(now.getMinutes()).padStart(2, '0');
document.getElementById('check_time').value = `${hours}:${minutes}`;

// Form submission
document.getElementById('manualAttendanceForm').addEventListener('submit', function(e) {
    const submitBtn = document.getElementById('submitBtn');
    submitBtn.disabled = true;
    submitBtn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> Saving...';
});
</script>
{% endblock %}