{% extends "base.html" %}
{% load static %}

{% block title %}{% if object %}Edit Specimen{% else %}New Specimen{% endif %}{% endblock %}

{% block content %}
<div class="d-flex align-items-center mb-3">
    <div>
        <ol class="breadcrumb">
            <li class="breadcrumb-item"><a href="{% url 'laboratory:dashboard' %}">Laboratory</a></li>
            <li class="breadcrumb-item"><a href="{% url 'laboratory:specimen_list' %}">Specimens</a></li>
            <li class="breadcrumb-item active">{% if object %}Edit{% else %}New{% endif %}</li>
        </ol>
        <h1 class="page-header mb-0">
            {% if object %}Edit Specimen - {{ object.specimen_id }}{% else %}New Specimen Collection{% endif %}
        </h1>
    </div>
    <div class="ms-auto">
        <a href="{% url 'laboratory:specimen_list' %}" class="btn btn-secondary">
            <i class="fas fa-arrow-left me-2"></i>Back to Specimens
        </a>
    </div>
</div>

<div class="row">
    <div class="col-xl-8">
        <div class="card">
            <div class="card-header">
                <h4 class="card-title">
                    <i class="fas fa-vial me-2"></i>
                    Specimen Information
                </h4>
            </div>
            <div class="card-body">
                {% if messages %}
                    {% for message in messages %}
                        <div class="alert alert-{{ message.tags }} alert-dismissible fade show" role="alert">
                            {{ message }}
                            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
                        </div>
                    {% endfor %}
                {% endif %}

                <form method="post" novalidate>
                    {% csrf_token %}
                    
                    <!-- Patient Selection -->
                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="{{ form.patient.id_for_label }}" class="form-label">Patient *</label>
                                <select class="form-select {% if form.patient.errors %}is-invalid{% endif %}" 
                                        id="{{ form.patient.id_for_label }}" 
                                        name="{{ form.patient.name }}" 
                                        required>
                                    <option value="">Select Patient</option>
                                    {% for choice in form.patient.field.choices %}
                                        {% if choice.0 %}
                                        <option value="{{ choice.0 }}" {% if choice.0 == form.patient.value %}selected{% endif %}>
                                            {{ choice.1 }}
                                        </option>
                                        {% endif %}
                                    {% endfor %}
                                </select>
                                {% if form.patient.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.patient.errors.0 }}
                                    </div>
                                {% endif %}
                                <div class="form-text">
                                    <button type="button" class="btn btn-sm btn-outline-primary" onclick="searchPatient()">
                                        <i class="fas fa-search me-1"></i>Search Patient
                                    </button>
                                </div>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="{{ form.specimen_id.id_for_label }}" class="form-label">Specimen ID</label>
                                <div class="input-group">
                                    <input type="text" 
                                           class="form-control {% if form.specimen_id.errors %}is-invalid{% endif %}" 
                                           id="{{ form.specimen_id.id_for_label }}" 
                                           name="{{ form.specimen_id.name }}" 
                                           value="{{ form.specimen_id.value|default:'' }}"
                                           placeholder="Auto-generated if empty">
                                    <button type="button" class="btn btn-outline-secondary" onclick="generateSpecimenId()">
                                        <i class="fas fa-sync"></i>
                                    </button>
                                </div>
                                {% if form.specimen_id.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.specimen_id.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                    </div>

                    <!-- Specimen Details -->
                    <div class="row">
                        <div class="col-md-4">
                            <div class="mb-3">
                                <label for="{{ form.specimen_type.id_for_label }}" class="form-label">Specimen Type *</label>
                                <select class="form-select {% if form.specimen_type.errors %}is-invalid{% endif %}" 
                                        id="{{ form.specimen_type.id_for_label }}" 
                                        name="{{ form.specimen_type.name }}" 
                                        required>
                                    <option value="">Select Type</option>
                                    {% for choice in form.specimen_type.field.choices %}
                                        <option value="{{ choice.0 }}" {% if choice.0 == form.specimen_type.value %}selected{% endif %}>
                                            {{ choice.1 }}
                                        </option>
                                    {% endfor %}
                                </select>
                                {% if form.specimen_type.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.specimen_type.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="mb-3">
                                <label for="{{ form.collection_site.id_for_label }}" class="form-label">Collection Site</label>
                                <input type="text" 
                                       class="form-control {% if form.collection_site.errors %}is-invalid{% endif %}" 
                                       id="{{ form.collection_site.id_for_label }}" 
                                       name="{{ form.collection_site.name }}" 
                                       value="{{ form.collection_site.value|default:'' }}"
                                       placeholder="e.g., Left arm, Right hand">
                                {% if form.collection_site.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.collection_site.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="mb-3">
                                <label for="{{ form.volume.id_for_label }}" class="form-label">Volume</label>
                                <input type="text" 
                                       class="form-control {% if form.volume.errors %}is-invalid{% endif %}" 
                                       id="{{ form.volume.id_for_label }}" 
                                       name="{{ form.volume.name }}" 
                                       value="{{ form.volume.value|default:'' }}"
                                       placeholder="e.g., 5 mL, 10 tubes">
                                {% if form.volume.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.volume.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                    </div>

                    <!-- Collection Information -->
                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="{{ form.collection_date.id_for_label }}" class="form-label">Collection Date & Time *</label>
                                <input type="datetime-local" 
                                       class="form-control {% if form.collection_date.errors %}is-invalid{% endif %}" 
                                       id="{{ form.collection_date.id_for_label }}" 
                                       name="{{ form.collection_date.name }}" 
                                       value="{{ form.collection_date.value|default:'' }}"
                                       required>
                                {% if form.collection_date.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.collection_date.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="{{ form.collected_by.id_for_label }}" class="form-label">Collected By *</label>
                                <select class="form-select {% if form.collected_by.errors %}is-invalid{% endif %}" 
                                        id="{{ form.collected_by.id_for_label }}" 
                                        name="{{ form.collected_by.name }}" 
                                        required>
                                    <option value="">Select Staff Member</option>
                                    {% for choice in form.collected_by.field.choices %}
                                        {% if choice.0 %}
                                        <option value="{{ choice.0 }}" {% if choice.0 == form.collected_by.value %}selected{% endif %}>
                                            {{ choice.1 }}
                                        </option>
                                        {% endif %}
                                    {% endfor %}
                                </select>
                                {% if form.collected_by.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.collected_by.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                    </div>

                    <!-- Container and Storage -->
                    <div class="row">
                        <div class="col-md-4">
                            <div class="mb-3">
                                <label for="{{ form.container_type.id_for_label }}" class="form-label">Container Type</label>
                                <select class="form-select {% if form.container_type.errors %}is-invalid{% endif %}" 
                                        id="{{ form.container_type.id_for_label }}" 
                                        name="{{ form.container_type.name }}">
                                    <option value="">Select Container</option>
                                    <option value="red_top" {% if form.container_type.value == 'red_top' %}selected{% endif %}>Red Top (No Additive)</option>
                                    <option value="lavender_top" {% if form.container_type.value == 'lavender_top' %}selected{% endif %}>Lavender Top (EDTA)</option>
                                    <option value="green_top" {% if form.container_type.value == 'green_top' %}selected{% endif %}>Green Top (Heparin)</option>
                                    <option value="blue_top" {% if form.container_type.value == 'blue_top' %}selected{% endif %}>Blue Top (Citrate)</option>
                                    <option value="gray_top" {% if form.container_type.value == 'gray_top' %}selected{% endif %}>Gray Top (Fluoride)</option>
                                    <option value="urine_cup" {% if form.container_type.value == 'urine_cup' %}selected{% endif %}>Urine Cup</option>
                                    <option value="sterile_container" {% if form.container_type.value == 'sterile_container' %}selected{% endif %}>Sterile Container</option>
                                </select>
                                {% if form.container_type.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.container_type.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="mb-3">
                                <label for="{{ form.storage_temperature.id_for_label }}" class="form-label">Storage Temperature</label>
                                <select class="form-select {% if form.storage_temperature.errors %}is-invalid{% endif %}" 
                                        id="{{ form.storage_temperature.id_for_label }}" 
                                        name="{{ form.storage_temperature.name }}">
                                    <option value="">Select Temperature</option>
                                    <option value="room_temp" {% if form.storage_temperature.value == 'room_temp' %}selected{% endif %}>Room Temperature</option>
                                    <option value="refrigerated" {% if form.storage_temperature.value == 'refrigerated' %}selected{% endif %}>Refrigerated (2-8°C)</option>
                                    <option value="frozen" {% if form.storage_temperature.value == 'frozen' %}selected{% endif %}>Frozen (-20°C)</option>
                                    <option value="deep_frozen" {% if form.storage_temperature.value == 'deep_frozen' %}selected{% endif %}>Deep Frozen (-80°C)</option>
                                </select>
                                {% if form.storage_temperature.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.storage_temperature.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="mb-3">
                                <label for="{{ form.priority.id_for_label }}" class="form-label">Priority</label>
                                <select class="form-select {% if form.priority.errors %}is-invalid{% endif %}" 
                                        id="{{ form.priority.id_for_label }}" 
                                        name="{{ form.priority.name }}">
                                    {% for choice in form.priority.field.choices %}
                                        <option value="{{ choice.0 }}" {% if choice.0 == form.priority.value %}selected{% endif %}>
                                            {{ choice.1 }}
                                        </option>
                                    {% endfor %}
                                </select>
                                {% if form.priority.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.priority.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                    </div>

                    <!-- Status and Condition -->
                    <div class="row">
                        <div class="col-md-4">
                            <div class="mb-3">
                                <label for="{{ form.status.id_for_label }}" class="form-label">Status</label>
                                <select class="form-select {% if form.status.errors %}is-invalid{% endif %}" 
                                        id="{{ form.status.id_for_label }}" 
                                        name="{{ form.status.name }}">
                                    {% for choice in form.status.field.choices %}
                                        <option value="{{ choice.0 }}" {% if choice.0 == form.status.value %}selected{% endif %}>
                                            {{ choice.1 }}
                                        </option>
                                    {% endfor %}
                                </select>
                                {% if form.status.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.status.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="mb-3">
                                <label for="{{ form.condition.id_for_label }}" class="form-label">Condition</label>
                                <select class="form-select {% if form.condition.errors %}is-invalid{% endif %}" 
                                        id="{{ form.condition.id_for_label }}" 
                                        name="{{ form.condition.name }}">
                                    <option value="">Select Condition</option>
                                    <option value="good" {% if form.condition.value == 'good' %}selected{% endif %}>Good</option>
                                    <option value="acceptable" {% if form.condition.value == 'acceptable' %}selected{% endif %}>Acceptable</option>
                                    <option value="hemolyzed" {% if form.condition.value == 'hemolyzed' %}selected{% endif %}>Hemolyzed</option>
                                    <option value="clotted" {% if form.condition.value == 'clotted' %}selected{% endif %}>Clotted</option>
                                    <option value="insufficient" {% if form.condition.value == 'insufficient' %}selected{% endif %}>Insufficient Volume</option>
                                    <option value="contaminated" {% if form.condition.value == 'contaminated' %}selected{% endif %}>Contaminated</option>
                                    <option value="rejected" {% if form.condition.value == 'rejected' %}selected{% endif %}>Rejected</option>
                                </select>
                                {% if form.condition.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.condition.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="mb-3">
                                <label for="{{ form.expiry_date.id_for_label }}" class="form-label">Expiry Date</label>
                                <input type="date" 
                                       class="form-control {% if form.expiry_date.errors %}is-invalid{% endif %}" 
                                       id="{{ form.expiry_date.id_for_label }}" 
                                       name="{{ form.expiry_date.name }}" 
                                       value="{{ form.expiry_date.value|default:'' }}">
                                {% if form.expiry_date.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.expiry_date.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                    </div>

                    <!-- Additional Information -->
                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="{{ form.collection_method.id_for_label }}" class="form-label">Collection Method</label>
                                <input type="text" 
                                       class="form-control {% if form.collection_method.errors %}is-invalid{% endif %}" 
                                       id="{{ form.collection_method.id_for_label }}" 
                                       name="{{ form.collection_method.name }}" 
                                       value="{{ form.collection_method.value|default:'' }}"
                                       placeholder="e.g., Venipuncture, Clean catch">
                                {% if form.collection_method.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.collection_method.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="{{ form.current_location.id_for_label }}" class="form-label">Current Location</label>
                                <input type="text" 
                                       class="form-control {% if form.current_location.errors %}is-invalid{% endif %}" 
                                       id="{{ form.current_location.id_for_label }}" 
                                       name="{{ form.current_location.name }}" 
                                       value="{{ form.current_location.value|default:'' }}"
                                       placeholder="e.g., Lab Refrigerator A">
                                {% if form.current_location.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.current_location.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                    </div>

                    <!-- Checkboxes -->
                    <div class="row">
                        <div class="col-md-6">
                            <div class="form-check mb-3">
                                <input class="form-check-input {% if form.fasting_status.errors %}is-invalid{% endif %}" 
                                       type="checkbox" 
                                       id="{{ form.fasting_status.id_for_label }}" 
                                       name="{{ form.fasting_status.name }}"
                                       {% if form.fasting_status.value %}checked{% endif %}>
                                <label class="form-check-label" for="{{ form.fasting_status.id_for_label }}">
                                    Patient was fasting
                                </label>
                                {% if form.fasting_status.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.fasting_status.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="form-check mb-3">
                                <input class="form-check-input {% if form.requires_special_handling.errors %}is-invalid{% endif %}" 
                                       type="checkbox" 
                                       id="{{ form.requires_special_handling.id_for_label }}" 
                                       name="{{ form.requires_special_handling.name }}"
                                       {% if form.requires_special_handling.value %}checked{% endif %}>
                                <label class="form-check-label" for="{{ form.requires_special_handling.id_for_label }}">
                                    Requires special handling
                                </label>
                                {% if form.requires_special_handling.errors %}
                                    <div class="invalid-feedback">
                                        {{ form.requires_special_handling.errors.0 }}
                                    </div>
                                {% endif %}
                            </div>
                        </div>
                    </div>

                    <!-- Notes -->
                    <div class="mb-3">
                        <label for="{{ form.collection_notes.id_for_label }}" class="form-label">Collection Notes</label>
                        <textarea class="form-control {% if form.collection_notes.errors %}is-invalid{% endif %}" 
                                  id="{{ form.collection_notes.id_for_label }}" 
                                  name="{{ form.collection_notes.name }}" 
                                  rows="3" 
                                  placeholder="Enter any notes about the collection process, patient condition, or special circumstances...">{{ form.collection_notes.value|default:'' }}</textarea>
                        {% if form.collection_notes.errors %}
                            <div class="invalid-feedback">
                                {{ form.collection_notes.errors.0 }}
                            </div>
                        {% endif %}
                    </div>

                    <div class="d-flex justify-content-between">
                        <div>
                            {% if object %}
                                <a href="{% url 'laboratory:specimen_detail' object.pk %}" class="btn btn-secondary">
                                    <i class="fas fa-times me-2"></i>Cancel
                                </a>
                            {% else %}
                                <a href="{% url 'laboratory:specimen_list' %}" class="btn btn-secondary">
                                    <i class="fas fa-times me-2"></i>Cancel
                                </a>
                            {% endif %}
                        </div>
                        <div>
                            <button type="submit" class="btn btn-primary">
                                <i class="fas fa-save me-2"></i>
                                {% if object %}Update Specimen{% else %}Create Specimen{% endif %}
                            </button>
                        </div>
                    </div>
                </form>
            </div>
        </div>
    </div>

    <div class="col-xl-4">
        <!-- Collection Guidelines -->
        <div class="card mb-4">
            <div class="card-header">
                <h5 class="card-title">
                    <i class="fas fa-clipboard-check me-2"></i>
                    Collection Guidelines
                </h5>
            </div>
            <div class="card-body">
                <div id="guidelinesContent">
                    <p class="text-muted">Select a specimen type to view collection guidelines.</p>
                </div>
            </div>
        </div>

        <!-- Container Guide -->
        <div class="card mb-4">
            <div class="card-header">
                <h5 class="card-title">
                    <i class="fas fa-vials me-2"></i>
                    Container Guide
                </h5>
            </div>
            <div class="card-body">
                <div class="mb-3">
                    <div class="d-flex align-items-center mb-2">
                        <div class="bg-danger rounded-circle me-2" style="width: 16px; height: 16px;"></div>
                        <strong>Red Top</strong>
                    </div>
                    <p class="small text-muted">No additive - for serum chemistry tests</p>
                </div>
                
                <div class="mb-3">
                    <div class="d-flex align-items-center mb-2">
                        <div class="bg-purple rounded-circle me-2" style="width: 16px; height: 16px; background-color: #6f42c1;"></div>
                        <strong>Lavender Top</strong>
                    </div>
                    <p class="small text-muted">EDTA - for hematology tests</p>
                </div>
                
                <div class="mb-3">
                    <div class="d-flex align-items-center mb-2">
                        <div class="bg-success rounded-circle me-2" style="width: 16px; height: 16px;"></div>
                        <strong>Green Top</strong>
                    </div>
                    <p class="small text-muted">Heparin - for plasma chemistry</p>
                </div>
                
                <div class="mb-3">
                    <div class="d-flex align-items-center mb-2">
                        <div class="bg-primary rounded-circle me-2" style="width: 16px; height: 16px;"></div>
                        <strong>Blue Top</strong>
                    </div>
                    <p class="small text-muted">Citrate - for coagulation studies</p>
                </div>
            </div>
        </div>

        <!-- Quick Actions -->
        <div class="card">
            <div class="card-header">
                <h5 class="card-title">
                    <i class="fas fa-bolt me-2"></i>
                    Quick Actions
                </h5>
            </div>
            <div class="card-body">
                <div class="d-grid gap-2">
                    <button type="button" class="btn btn-outline-primary" onclick="setCurrentDateTime()">
                        <i class="fas fa-clock me-2"></i>Set Current Time
                    </button>
                    <button type="button" class="btn btn-outline-secondary" onclick="generateBarcode()">
                        <i class="fas fa-barcode me-2"></i>Generate Barcode
                    </button>
                    <button type="button" class="btn btn-outline-info" onclick="printLabel()">
                        <i class="fas fa-print me-2"></i>Print Label
                    </button>
                </div>
            </div>
        </div>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const specimenTypeSelect = document.getElementById('{{ form.specimen_type.id_for_label }}');
    const containerSelect = document.getElementById('{{ form.container_type.id_for_label }}');
    const patientSelect = document.getElementById('{{ form.patient.id_for_label }}');
    
    // Update guidelines when specimen type changes
    specimenTypeSelect.addEventListener('change', function() {
        updateGuidelines(this.value);
        updateRecommendedContainer(this.value);
    });
    
    // Set current date/time if creating new specimen
    {% if not object %}
    setCurrentDateTime();
    {% endif %}
    
    // Initialize guidelines if specimen type is already selected
    if (specimenTypeSelect.value) {
        updateGuidelines(specimenTypeSelect.value);
    }
});

function updateGuidelines(specimenType) {
    const guidelines = {
        'blood': `
            <h6><i class="fas fa-tint text-danger me-2"></i>Blood Collection</h6>
            <ul class="small">
                <li>Verify patient identity with two identifiers</li>
                <li>Use proper venipuncture technique</li>
                <li>Fill tubes in correct order of draw</li>
                <li>Invert tubes gently 8-10 times</li>
                <li>Label tubes immediately after collection</li>
            </ul>
        `,
        'urine': `
            <h6><i class="fas fa-flask text-warning me-2"></i>Urine Collection</h6>
            <ul class="small">
                <li>Use clean-catch midstream technique</li>
                <li>Collect first morning specimen when possible</li>
                <li>Minimum 10mL required for routine analysis</li>
                <li>Refrigerate if transport delayed >2 hours</li>
                <li>Avoid contamination from external sources</li>
            </ul>
        `,
        'sputum': `
            <h6><i class="fas fa-lungs text-info me-2"></i>Sputum Collection</h6>
            <ul class="small">
                <li>Collect early morning specimen</li>
                <li>Rinse mouth with water before collection</li>
                <li>Cough deeply to produce lower respiratory secretions</li>
                <li>Avoid saliva contamination</li>
                <li>Transport to lab within 2 hours</li>
            </ul>
        `,
        'swab': `
            <h6><i class="fas fa-hand text-secondary me-2"></i>Swab Collection</h6>
            <ul class="small">
                <li>Use sterile swab and transport medium</li>
                <li>Collect adequate sample material</li>
                <li>Avoid contamination from surrounding areas</li>
                <li>Place swab in transport medium immediately</li>
                <li>Label with specific collection site</li>
            </ul>
        `
    };
    
    const content = guidelines[specimenType] || '<p class="text-muted">Select a specimen type to view collection guidelines.</p>';
    document.getElementById('guidelinesContent').innerHTML = content;
}

function updateRecommendedContainer(specimenType) {
    const containerSelect = document.getElementById('{{ form.container_type.id_for_label }}');
    const recommendations = {
        'blood': 'red_top',
        'urine': 'urine_cup',
        'sputum': 'sterile_container',
        'swab': 'sterile_container'
    };
    
    if (recommendations[specimenType] && !containerSelect.value) {
        containerSelect.value = recommendations[specimenType];
    }
}

function setCurrentDateTime() {
    const now = new Date();
    const localDateTime = new Date(now.getTime() - now.getTimezoneOffset() * 60000).toISOString().slice(0, 16);
    document.getElementById('{{ form.collection_date.id_for_label }}').value = localDateTime;
}

function generateSpecimenId() {
    const now = new Date();
    const year = now.getFullYear().toString().slice(-2);
    const month = (now.getMonth() + 1).toString().padStart(2, '0');
    const day = now.getDate().toString().padStart(2, '0');
    const time = now.getTime().toString().slice(-6);
    
    const specimenId = `SP${year}${month}${day}${time}`;
    document.getElementById('{{ form.specimen_id.id_for_label }}').value = specimenId;
}

function generateBarcode() {
    // In a real implementation, this would generate a barcode
    alert('Barcode generation functionality would be implemented here.');
}

function printLabel() {
    // In a real implementation, this would print a specimen label
    alert('Label printing functionality would be implemented here.');
}

function searchPatient() {
    // In a real implementation, this would open a patient search modal
    alert('Patient search functionality would be implemented here.');
}
</script>
{% endblock %}