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

{% block title %}Prescriptions - {{ 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-prescription me-2"></i>Prescription Management
                    </h4>
                </div>
                
                <div class="card-body">
                    <!-- Filters -->
                    <form method="get" class="mb-3">
                        <div class="row">
                            <div class="col-md-2">
                                <select name="status" class="form-select">
                                    <option value="">All Status</option>
                                    {% for value, label in prescription_statuses %}
                                    <option value="{{ value }}" {% if request.GET.status == value %}selected{% endif %}>{{ label }}</option>
                                    {% endfor %}
                                </select>
                            </div>
                            <div class="col-md-2">
                                <select name="priority" class="form-select">
                                    <option value="">All Priorities</option>
                                    {% for value, label in priorities %}
                                    <option value="{{ value }}" {% if request.GET.priority == value %}selected{% endif %}>{{ label }}</option>
                                    {% endfor %}
                                </select>
                            </div>
                            <div class="col-md-2">
                                <input type="date" name="date_from" class="form-control" 
                                       value="{{ request.GET.date_from }}" placeholder="From Date">
                            </div>
                            <div class="col-md-2">
                                <input type="date" name="date_to" class="form-control" 
                                       value="{{ request.GET.date_to }}" placeholder="To Date">
                            </div>
                            <div class="col-md-3">
                                <input type="text" name="search" class="form-control" 
                                       value="{{ request.GET.search }}" placeholder="Search patients, medications, providers...">
                            </div>
                            <div class="col-md-1">
                                <button type="submit" class="btn btn-primary w-100">
                                    <i class="fas fa-search"></i>
                                </button>
                            </div>
                        </div>
                    </form>
                    
                    <!-- Prescriptions Table -->
                    <div class="table-responsive">
                        <table class="table table-hover">
                            <thead>
                                <tr>
                                    <th>Patient</th>
                                    <th>Medication</th>
                                    <th>Dosage</th>
                                    <th>Provider</th>
                                    <th>Prescribed</th>
                                    <th>Status</th>
                                    <th>Priority</th>
                                    <th>Actions</th>
                                </tr>
                            </thead>
                            <tbody>
                                {% for prescription in prescriptions %}
                                <tr {% if prescription.priority == 'STAT' %}class="table-danger"{% elif prescription.priority == 'URGENT' %}class="table-warning"{% endif %}>
                                    <td>
                                        <strong>{{ prescription.patient.get_full_name }}</strong><br>
                                        <small class="text-muted">
                                            MRN: {{ prescription.patient.mrn }} • 
                                            {{ prescription.patient.age }}y {{ prescription.patient.get_gender_display }}
                                        </small>
                                    </td>
                                    <td>
                                        <strong>{{ prescription.medication.name }}</strong>
                                        {% if prescription.medication.generic_name %}
                                            <br><small class="text-muted">{{ prescription.medication.generic_name }}</small>
                                        {% endif %}
                                    </td>
                                    <td>
                                        {{ prescription.dosage }} {{ prescription.dosage_unit }}<br>
                                        <small class="text-muted">
                                            {{ prescription.frequency }} × {{ prescription.duration }} {{ prescription.duration_unit }}
                                        </small>
                                    </td>
                                    <td>{{ prescription.prescribing_provider.get_full_name }}</td>
                                    <td>{{ prescription.prescribed_datetime|date:"M d, Y H:i" }}</td>
                                    <td>
                                        {% if prescription.status == 'PENDING' %}
                                            <span class="badge bg-warning">Pending</span>
                                        {% elif prescription.status == 'VERIFIED' %}
                                            <span class="badge bg-info">Verified</span>
                                        {% elif prescription.status == 'IN_PROGRESS' %}
                                            <span class="badge bg-primary">In Progress</span>
                                        {% elif prescription.status == 'DISPENSED' %}
                                            <span class="badge bg-success">Dispensed</span>
                                        {% elif prescription.status == 'CANCELLED' %}
                                            <span class="badge bg-danger">Cancelled</span>
                                        {% elif prescription.status == 'ON_HOLD' %}
                                            <span class="badge bg-secondary">On Hold</span>
                                        {% endif %}
                                    </td>
                                    <td>
                                        {% if prescription.priority == 'STAT' %}
                                            <span class="badge bg-danger">STAT</span>
                                        {% elif prescription.priority == 'URGENT' %}
                                            <span class="badge bg-warning">Urgent</span>
                                        {% elif prescription.priority == 'ROUTINE' %}
                                            <span class="badge bg-info">Routine</span>
                                        {% endif %}
                                    </td>
                                    <td>
                                        <div class="btn-group btn-group-sm">
                                            <a href="{% url 'pharmacy:prescription_detail' prescription.id %}" 
                                               class="btn btn-outline-primary" title="View Details">
                                                <i class="fas fa-eye"></i>
                                            </a>
                                            {% if prescription.status == 'PENDING' %}
                                            <button class="btn btn-outline-success" 
                                                    title="Verify"
                                                    hx-post="{% url 'pharmacy:verify_prescription' prescription.id %}"
                                                    hx-confirm="Verify this prescription?"
                                                    hx-swap="none">
                                                <i class="fas fa-check"></i>
                                            </button>
                                            {% elif prescription.status == 'VERIFIED' %}
                                            <button class="btn btn-outline-info" 
                                                    title="Dispense"
                                                    data-bs-toggle="modal" 
                                                    data-bs-target="#dispense-modal-{{ prescription.id }}">
                                                <i class="fas fa-hand-holding-medical"></i>
                                            </button>
                                            {% endif %}
                                            <button class="btn btn-outline-warning" 
                                                    title="Check Interactions"
                                                    hx-get="{% url 'pharmacy:drug_interaction_check' prescription.id %}"
                                                    hx-target="#interaction-results"
                                                    data-bs-toggle="modal" 
                                                    data-bs-target="#interaction-modal">
                                                <i class="fas fa-exclamation-triangle"></i>
                                            </button>
                                            <button class="btn btn-outline-secondary" title="Print">
                                                <i class="fas fa-print"></i>
                                            </button>
                                        </div>
                                    </td>
                                </tr>
                                {% empty %}
                                <tr>
                                    <td colspan="8" class="text-center py-4">
                                        <i class="fas fa-prescription fa-3x text-muted mb-3"></i>
                                        <h5 class="text-muted">No prescriptions found</h5>
                                        <p class="text-muted">No prescriptions match your current filters.</p>
                                    </td>
                                </tr>
                                {% endfor %}
                            </tbody>
                        </table>
                    </div>
                    
                    <!-- Pagination -->
                    {% if is_paginated %}
                    <nav aria-label="Prescription pagination">
                        <ul class="pagination justify-content-center">
                            {% if page_obj.has_previous %}
                                <li class="page-item">
                                    <a class="page-link" href="?page=1{% if request.GET.search %}&search={{ request.GET.search }}{% endif %}{% if request.GET.status %}&status={{ request.GET.status }}{% endif %}">First</a>
                                </li>
                                <li class="page-item">
                                    <a class="page-link" href="?page={{ page_obj.previous_page_number }}{% if request.GET.search %}&search={{ request.GET.search }}{% endif %}{% if request.GET.status %}&status={{ request.GET.status }}{% endif %}">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 }}{% if request.GET.search %}&search={{ request.GET.search }}{% endif %}{% if request.GET.status %}&status={{ request.GET.status }}{% endif %}">Next</a>
                                </li>
                                <li class="page-item">
                                    <a class="page-link" href="?page={{ page_obj.paginator.num_pages }}{% if request.GET.search %}&search={{ request.GET.search }}{% endif %}{% if request.GET.status %}&status={{ request.GET.status }}{% endif %}">Last</a>
                                </li>
                            {% endif %}
                        </ul>
                    </nav>
                    {% endif %}
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Drug Interaction Modal -->
<div class="modal fade" id="interaction-modal" tabindex="-1">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Drug Interaction Check</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body" id="interaction-results">
                <!-- Content loaded via HTMX -->
            </div>
        </div>
    </div>
</div>

<!-- Dispense Modals -->
{% for prescription in prescriptions %}
{% if prescription.status == 'VERIFIED' %}
<div class="modal fade" id="dispense-modal-{{ prescription.id }}" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Dispense Medication</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form hx-post="{% url 'pharmacy:dispense_medication' prescription.id %}">
                <div class="modal-body">
                    <div class="mb-3">
                        <label class="form-label">Patient</label>
                        <p class="form-control-plaintext">{{ prescription.patient.get_full_name }}</p>
                    </div>
                    <div class="mb-3">
                        <label class="form-label">Medication</label>
                        <p class="form-control-plaintext">{{ prescription.medication.name }}</p>
                    </div>
                    <div class="mb-3">
                        <label class="form-label">Prescribed Quantity</label>
                        <p class="form-control-plaintext">{{ prescription.quantity }} {{ prescription.quantity_unit }}</p>
                    </div>
                    <div class="mb-3">
                        <label for="quantity_dispensed" class="form-label">Quantity to Dispense</label>
                        <input type="number" class="form-control" name="quantity_dispensed" 
                               value="{{ prescription.quantity }}" max="{{ prescription.quantity }}" required>
                    </div>
                    <div class="mb-3">
                        <label for="lot_number" class="form-label">Lot Number</label>
                        <input type="text" class="form-control" name="lot_number" required>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-primary">Dispense</button>
                </div>
            </form>
        </div>
    </div>
</div>
{% endif %}
{% endfor %}
{% endblock %}