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

{% block title %}Vital Signs - {{ block.super }}{% endblock %}

{% block content %}
<div class="container-fluid">
    <div class="row">
        <div class="col-12">
            <div class="card">
                <div class="card-header">
                    <h4 class="card-title mb-0">
                        <i class="fas fa-heartbeat me-2"></i>Vital Signs Management
                    </h4>
                </div>
                
                <div class="card-body">
                    <!-- Filters -->
                    <div class="row mb-3">
                        <div class="col-md-2">
                            <input type="date" name="date_from" class="form-control" placeholder="From Date">
                        </div>
                        <div class="col-md-2">
                            <input type="date" name="date_to" class="form-control" placeholder="To Date">
                        </div>
                        <div class="col-md-2">
                            <select name="critical_only" class="form-select">
                                <option value="">All Values</option>
                                <option value="true">Critical Only</option>
                            </select>
                        </div>
                        <div class="col-md-4">
                            <input type="text" name="search" class="form-control" placeholder="Search patients, MRN...">
                        </div>
                        <div class="col-md-2">
                            <button type="submit" class="btn btn-primary w-100">
                                <i class="fas fa-search"></i>
                            </button>
                        </div>
                    </div>
                    
                    <!-- Vital Signs Table -->
                    <div class="table-responsive">
                        <table class="table table-hover">
                            <thead>
                                <tr>
                                    <th>Patient</th>
                                    <th>Date/Time</th>
                                    <th>Temperature</th>
                                    <th>Blood Pressure</th>
                                    <th>Heart Rate</th>
                                    <th>Respiratory Rate</th>
                                    <th>O2 Saturation</th>
                                    <th>Measured By</th>
                                    <th>Actions</th>
                                </tr>
                            </thead>
                            <tbody>
                                {% for vitals in vital_signs %}
                                <tr {% if vitals.critical_values %}class="table-warning"{% endif %}>
                                    <td>
                                        <strong>{{ vitals.patient.get_full_name }}</strong><br>
                                        <small class="text-muted">
                                            MRN: {{ vitals.patient.mrn }}
                                            {% if vitals.encounter %}
                                                • Encounter: {{ vitals.encounter.id }}
                                            {% endif %}
                                        </small>
                                    </td>
                                    <td>{{ vitals.measured_datetime|date:"M d, Y H:i" }}</td>
                                    <td>
                                        {% if vitals.temperature %}
                                            {{ vitals.temperature }}°{{ vitals.temperature_unit }}
                                            {% if 'temperature' in vitals.critical_values %}
                                                <i class="fas fa-exclamation-triangle text-danger ms-1" title="Critical"></i>
                                            {% endif %}
                                        {% else %}
                                            <span class="text-muted">-</span>
                                        {% endif %}
                                    </td>
                                    <td>
                                        {% if vitals.systolic_bp and vitals.diastolic_bp %}
                                            {{ vitals.systolic_bp }}/{{ vitals.diastolic_bp }}
                                            {% if 'blood_pressure' in vitals.critical_values %}
                                                <i class="fas fa-exclamation-triangle text-danger ms-1" title="Critical"></i>
                                            {% endif %}
                                        {% else %}
                                            <span class="text-muted">-</span>
                                        {% endif %}
                                    </td>
                                    <td>
                                        {% if vitals.heart_rate %}
                                            {{ vitals.heart_rate }} bpm
                                            {% if 'heart_rate' in vitals.critical_values %}
                                                <i class="fas fa-exclamation-triangle text-danger ms-1" title="Critical"></i>
                                            {% endif %}
                                        {% else %}
                                            <span class="text-muted">-</span>
                                        {% endif %}
                                    </td>
                                    <td>
                                        {% if vitals.respiratory_rate %}
                                            {{ vitals.respiratory_rate }} /min
                                            {% if 'respiratory_rate' in vitals.critical_values %}
                                                <i class="fas fa-exclamation-triangle text-danger ms-1" title="Critical"></i>
                                            {% endif %}
                                        {% else %}
                                            <span class="text-muted">-</span>
                                        {% endif %}
                                    </td>
                                    <td>
                                        {% if vitals.oxygen_saturation %}
                                            {{ vitals.oxygen_saturation }}%
                                            {% if 'oxygen_saturation' in vitals.critical_values %}
                                                <i class="fas fa-exclamation-triangle text-danger ms-1" title="Critical"></i>
                                            {% endif %}
                                        {% else %}
                                            <span class="text-muted">-</span>
                                        {% endif %}
                                    </td>
                                    <td>{{ vitals.measured_by.get_full_name }}</td>
                                    <td>
                                        <div class="btn-group btn-group-sm">
                                            <button class="btn btn-outline-primary" title="View Details">
                                                <i class="fas fa-eye"></i>
                                            </button>
                                            <button class="btn btn-outline-info" title="Chart View">
                                                <i class="fas fa-chart-line"></i>
                                            </button>
                                            {% if vitals.critical_values %}
                                            <button class="btn btn-outline-warning" title="Alert Provider">
                                                <i class="fas fa-bell"></i>
                                            </button>
                                            {% endif %}
                                        </div>
                                    </td>
                                </tr>
                                {% empty %}
                                <tr>
                                    <td colspan="9" class="text-center py-4">
                                        <i class="fas fa-heartbeat fa-3x text-muted mb-3"></i>
                                        <h5 class="text-muted">No vital signs found</h5>
                                        <p class="text-muted">No vital signs match your current filters.</p>
                                    </td>
                                </tr>
                                {% endfor %}
                            </tbody>
                        </table>
                    </div>
                    
                    <!-- Pagination -->
                    {% if is_paginated %}
                    <nav aria-label="Vital signs pagination">
                        <ul class="pagination justify-content-center">
                            {% if page_obj.has_previous %}
                                <li class="page-item">
                                    <a class="page-link" href="?page=1">First</a>
                                </li>
                                <li class="page-item">
                                    <a class="page-link" href="?page={{ page_obj.previous_page_number }}">Previous</a>
                                </li>
                            {% endif %}
                            
                            <li class="page-item active">
                                <span class="page-link">
                                    Page {{ page_obj.number }} of {{ page_obj.paginator.num_pages }}
                                </span>
                            </li>
                            
                            {% if page_obj.has_next %}
                                <li class="page-item">
                                    <a class="page-link" href="?page={{ page_obj.next_page_number }}">Next</a>
                                </li>
                                <li class="page-item">
                                    <a class="page-link" href="?page={{ page_obj.paginator.num_pages }}">Last</a>
                                </li>
                            {% endif %}
                        </ul>
                    </nav>
                    {% endif %}
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}