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

{% block title %}Blood Request Details - {{ blood_request.request_number }}{% endblock %}

{% block css %}
<link href="{% static 'plugins/datatables.net-bs5/css/dataTables.bootstrap5.min.css' %}" rel="stylesheet" />
<style>
.request-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.urgency-emergency {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

.compatibility-check {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

.compatibility-check.compatible {
    border-color: #28a745;
    background-color: #f8fff9;
}

.compatibility-check.incompatible {
    border-color: #dc3545;
    background-color: #fff8f8;
}

.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e9ecef;
}

.timeline-item {
    position: relative;
    margin-bottom: 20px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -23px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #007bff;
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px #e9ecef;
}

.timeline-item.current::before {
    background: #28a745;
    box-shadow: 0 0 0 2px #28a745;
}
</style>
{% endblock %}

{% block content %}
<!-- BEGIN breadcrumb -->
<ol class="breadcrumb float-xl-end">
    <li class="breadcrumb-item"><a href="{% url 'core:dashboard' %}">Home</a></li>
    <li class="breadcrumb-item"><a href="{% url 'blood_bank:dashboard' %}">Blood Bank</a></li>
    <li class="breadcrumb-item"><a href="{% url 'blood_bank:blood_request_list' %}">Requests</a></li>
    <li class="breadcrumb-item active">{{ blood_request.request_number }}</li>
</ol>
<!-- END breadcrumb -->

<!-- BEGIN page-header -->
<h1 class="page-header">
    Blood Request Details 
    <small>{{ blood_request.request_number }}</small>
</h1>
<!-- END page-header -->

<!-- BEGIN request header -->
<div class="request-header">
    <div class="row align-items-center">
        <div class="col-md-8">
            <h3 class="mb-1">{{ blood_request.request_number }}</h3>
            <p class="mb-0">
                <i class="fa fa-user"></i> {{ blood_request.patient.full_name }} 
                ({{ blood_request.patient.patient_id }})
            </p>
        </div>
        <div class="col-md-4 text-end">
            <div class="mb-2">
                {% if blood_request.urgency == 'emergency' %}
                    <span class="badge bg-danger fs-6 urgency-emergency">
                        <i class="fa fa-exclamation-triangle"></i> {{ blood_request.get_urgency_display }}
                    </span>
                {% elif blood_request.urgency == 'urgent' %}
                    <span class="badge bg-warning fs-6">
                        <i class="fa fa-clock"></i> {{ blood_request.get_urgency_display }}
                    </span>
                {% else %}
                    <span class="badge bg-secondary fs-6">{{ blood_request.get_urgency_display }}</span>
                {% endif %}
            </div>
            <div>
                {% if blood_request.status == 'pending' %}
                    <span class="badge bg-warning fs-6">{{ blood_request.get_status_display }}</span>
                {% elif blood_request.status == 'processing' %}
                    <span class="badge bg-info fs-6">{{ blood_request.get_status_display }}</span>
                {% elif blood_request.status == 'ready' %}
                    <span class="badge bg-primary fs-6">{{ blood_request.get_status_display }}</span>
                {% elif blood_request.status == 'issued' %}
                    <span class="badge bg-success fs-6">{{ blood_request.get_status_display }}</span>
                {% elif blood_request.status == 'completed' %}
                    <span class="badge bg-success fs-6">{{ blood_request.get_status_display }}</span>
                {% elif blood_request.status == 'cancelled' %}
                    <span class="badge bg-danger fs-6">{{ blood_request.get_status_display }}</span>
                {% endif %}
            </div>
        </div>
    </div>
</div>
<!-- END request header -->

<!-- BEGIN row -->
<div class="row">
    <!-- BEGIN col-4 -->
    <div class="col-xl-4">
        <!-- BEGIN request info panel -->
        <div class="panel panel-inverse">
            <div class="panel-heading">
                <h4 class="panel-title">Request Information</h4>
            </div>
            <div class="panel-body">
                <table class="table table-borderless">
                    <tr>
                        <td class="fw-bold">Request Number:</td>
                        <td>{{ blood_request.request_number }}</td>
                    </tr>
                    <tr>
                        <td class="fw-bold">Request Date:</td>
                        <td>{{ blood_request.request_date|date:"M d, Y H:i" }}</td>
                    </tr>
                    <tr>
                        <td class="fw-bold">Required By:</td>
                        <td>
                            {{ blood_request.required_by|date:"M d, Y H:i" }}
                            {% if blood_request.is_overdue %}
                                <br><span class="badge bg-danger">Overdue</span>
                            {% endif %}
                        </td>
                    </tr>
                    <tr>
                        <td class="fw-bold">Department:</td>
                        <td>{{ blood_request.requesting_department.name }}</td>
                    </tr>
                    <tr>
                        <td class="fw-bold">Requesting Physician:</td>
                        <td>{{ blood_request.requesting_physician.get_full_name }}</td>
                    </tr>
                    <tr>
                        <td class="fw-bold">Component:</td>
                        <td>{{ blood_request.component_requested.get_name_display }}</td>
                    </tr>
                    <tr>
                        <td class="fw-bold">Units Requested:</td>
                        <td>
                            <span class="badge bg-info fs-6">{{ blood_request.units_requested }}</span>
                        </td>
                    </tr>
                    <tr>
                        <td class="fw-bold">Patient Blood Group:</td>
                        <td>
                            <span class="badge bg-primary">{{ blood_request.patient_blood_group.display_name }}</span>
                        </td>
                    </tr>
                </table>

                {% if blood_request.processed_by %}
                <hr>
                <h6 class="fw-bold">Processing Information</h6>
                <table class="table table-borderless">
                    <tr>
                        <td class="fw-bold">Processed By:</td>
                        <td>{{ blood_request.processed_by.get_full_name }}</td>
                    </tr>
                    <tr>
                        <td class="fw-bold">Processed At:</td>
                        <td>{{ blood_request.processed_at|date:"M d, Y H:i" }}</td>
                    </tr>
                </table>
                {% endif %}
            </div>
        </div>
        <!-- END request info panel -->

        <!-- BEGIN patient info panel -->
        <div class="panel panel-inverse">
            <div class="panel-heading">
                <h4 class="panel-title">Patient Information</h4>
            </div>
            <div class="panel-body">
                <table class="table table-borderless">
                    <tr>
                        <td class="fw-bold">Patient ID:</td>
                        <td>{{ blood_request.patient.patient_id }}</td>
                    </tr>
                    <tr>
                        <td class="fw-bold">Name:</td>
                        <td>{{ blood_request.patient.get_full_name }}</td>
                    </tr>
                    <tr>
                        <td class="fw-bold">Age:</td>
                        <td>{{ blood_request.patient.age }} years</td>
                    </tr>
                    <tr>
                        <td class="fw-bold">Gender:</td>
                        <td>{{ blood_request.patient.get_gender_display }}</td>
                    </tr>
                    <tr>
                        <td class="fw-bold">Blood Group:</td>
                        <td>
                            <span class="badge bg-primary">{{ blood_request.patient_blood_group.display_name }}</span>
                        </td>
                    </tr>
                    {% if blood_request.hemoglobin_level %}
                    <tr>
                        <td class="fw-bold">Hemoglobin:</td>
                        <td>{{ blood_request.hemoglobin_level|floatformat:2 }} g/dL</td>
                    </tr>
                    {% endif %}
                    {% if blood_request.platelet_count %}
                    <tr>
                        <td class="fw-bold">Platelet Count:</td>
                        <td>{{ blood_request.platelet_count }}/μL</td>
                    </tr>
                    {% endif %}
                </table>
            </div>
        </div>
        <!-- END patient info panel -->

        <!-- BEGIN clinical info panel -->
        <div class="panel panel-inverse">
            <div class="panel-heading">
                <h4 class="panel-title">Clinical Information</h4>
            </div>
            <div class="panel-body">
                <h6 class="fw-bold">Indication for Transfusion</h6>
                <p class="text-muted">{{ blood_request.indication }}</p>

                {% if blood_request.special_requirements %}
                <h6 class="fw-bold">Special Requirements</h6>
                <p class="text-muted">{{ blood_request.special_requirements }}</p>
                {% endif %}

                {% if blood_request.notes %}
                <h6 class="fw-bold">Additional Notes</h6>
                <p class="text-muted">{{ blood_request.notes }}</p>
                {% endif %}
            </div>
        </div>
        <!-- END clinical info panel -->
    </div>
    <!-- END col-4 -->

    <!-- BEGIN col-8 -->
    <div class="col-xl-8">
        <!-- BEGIN blood compatibility check -->
        <div class="panel panel-inverse">
            <div class="panel-heading">
                <h4 class="panel-title">Blood Compatibility Check</h4>
                <div class="panel-heading-btn">
                    <button type="button" class="btn btn-info btn-sm" onclick="checkAvailability()">
                        <i class="fa fa-search"></i> Check Availability
                    </button>
                </div>
            </div>
            <div class="panel-body">
                <div class="compatibility-check compatible">
                    <div class="row">
                        <div class="col-md-6">
                            <h6><i class="fa fa-check-circle text-success"></i> ABO Compatibility</h6>
                            <p class="mb-0">Patient: {{ blood_request.patient_blood_group.display_name }}</p>
                            <p class="mb-0">Compatible with: 
                                {% if blood_request.patient_blood_group.abo_type == 'AB' %}
                                    A, B, AB, O
                                {% elif blood_request.patient_blood_group.abo_type == 'A' %}
                                    A, O
                                {% elif blood_request.patient_blood_group.abo_type == 'B' %}
                                    B, O
                                {% else %}
                                    O only
                                {% endif %}
                            </p>
                        </div>
                        <div class="col-md-6">
                            <h6><i class="fa fa-info-circle text-info"></i> Rh Compatibility</h6>
                            <p class="mb-0">Patient: {{ blood_request.patient_blood_group.rh_factor|title }}</p>
                            <p class="mb-0">Compatible with: 
                                {% if blood_request.patient_blood_group.rh_factor == 'positive' %}
                                    Positive, Negative
                                {% else %}
                                    Negative only
                                {% endif %}
                            </p>
                        </div>
                    </div>
                </div>

                <div id="availabilityResults" class="mt-3" style="display: none;">
                    <!-- Availability results will be loaded here -->
                </div>
            </div>
        </div>
        <!-- END blood compatibility check -->

        <!-- BEGIN issued units -->
        <div class="panel panel-inverse">
            <div class="panel-heading">
                <h4 class="panel-title">Issued Blood Units</h4>
                <div class="panel-heading-btn">
                    {% if blood_request.status in 'pending,processing,ready' %}
                    <a href="{% url 'blood_bank:blood_issue_create' blood_request.id %}" class="btn btn-success btn-sm">
                        <i class="fa fa-share"></i> Issue Blood Unit
                    </a>
                    {% endif %}
                </div>
            </div>
            <div class="panel-body">
                {% if issues %}
                <div class="table-responsive">
                    <table class="table table-striped">
                        <thead>
                            <tr>
                                <th>Unit Number</th>
                                <th>Blood Group</th>
                                <th>Component</th>
                                <th>Issue Date</th>
                                <th>Issued To</th>
                                <th>Expiry Time</th>
                                <th>Status</th>
                                <th>Actions</th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for issue in issues %}
                            <tr>
                                <td>
                                    <a href="{% url 'blood_bank:blood_unit_detail' issue.blood_unit.id %}">
                                        {{ issue.blood_unit.unit_number }}
                                    </a>
                                </td>
                                <td>
                                    <span class="badge bg-primary">{{ issue.blood_unit.blood_group.display_name }}</span>
                                </td>
                                <td>{{ issue.blood_unit.component.get_name_display }}</td>
                                <td>{{ issue.issue_date|date:"M d, Y H:i" }}</td>
                                <td>{{ issue.issued_to.get_full_name }}</td>
                                <td>
                                    {{ issue.expiry_time|date:"M d, Y H:i" }}
                                    {% if issue.is_expired %}
                                        <br><span class="badge bg-danger">Expired</span>
                                    {% endif %}
                                </td>
                                <td>
                                    {% if issue.returned %}
                                        <span class="badge bg-warning">Returned</span>
                                    {% elif issue.is_expired %}
                                        <span class="badge bg-danger">Expired</span>
                                    {% else %}
                                        <span class="badge bg-success">Active</span>
                                    {% endif %}
                                </td>
                                <td>
                                    {% if not issue.returned and not issue.is_expired %}
                                    <a href="{% url 'blood_bank:transfusion_create' issue.id %}" 
                                       class="btn btn-outline-primary btn-sm" title="Start Transfusion">
                                        <i class="fa fa-heartbeat"></i>
                                    </a>
                                    {% endif %}
                                </td>
                            </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </div>
                {% else %}
                <div class="text-center py-4">
                    <i class="fa fa-share fa-3x text-muted mb-3"></i>
                    <h5 class="text-muted">No Units Issued</h5>
                    <p class="text-muted">No blood units have been issued for this request yet.</p>
                    {% if blood_request.status in 'pending,processing,ready' %}
                    <a href="{% url 'blood_bank:blood_issue_create' blood_request.id %}" class="btn btn-primary">
                        <i class="fa fa-share"></i> Issue First Unit
                    </a>
                    {% endif %}
                </div>
                {% endif %}
            </div>
        </div>
        <!-- END issued units -->

        <!-- BEGIN request timeline -->
        <div class="panel panel-inverse">
            <div class="panel-heading">
                <h4 class="panel-title">Request Timeline</h4>
            </div>
            <div class="panel-body">
                <div class="timeline">
                    <div class="timeline-item {% if blood_request.status == 'pending' %}current{% endif %}">
                        <div class="card">
                            <div class="card-body">
                                <h6 class="card-title">
                                    <i class="fa fa-plus text-primary"></i> Request Created
                                </h6>
                                <p class="card-text">
                                    <small class="text-muted">{{ blood_request.request_date|date:"M d, Y H:i" }}</small><br>
                                    Request submitted by {{ blood_request.requesting_physician.get_full_name }}
                                </p>
                            </div>
                        </div>
                    </div>

                    {% if blood_request.status != 'pending' %}
                    <div class="timeline-item {% if blood_request.status == 'processing' %}current{% endif %}">
                        <div class="card">
                            <div class="card-body">
                                <h6 class="card-title">
                                    <i class="fa fa-cog text-info"></i> Processing Started
                                </h6>
                                <p class="card-text">
                                    {% if blood_request.processed_at %}
                                        <small class="text-muted">{{ blood_request.processed_at|date:"M d, Y H:i" }}</small><br>
                                    {% endif %}
                                    Blood bank staff began processing the request
                                </p>
                            </div>
                        </div>
                    </div>
                    {% endif %}

                    {% if blood_request.status == 'ready' %}
                    <div class="timeline-item current">
                        <div class="card">
                            <div class="card-body">
                                <h6 class="card-title">
                                    <i class="fa fa-check text-success"></i> Units Ready
                                </h6>
                                <p class="card-text">
                                    Compatible blood units identified and ready for issue
                                </p>
                            </div>
                        </div>
                    </div>
                    {% endif %}

                    {% if blood_request.status == 'issued' %}
                    <div class="timeline-item current">
                        <div class="card">
                            <div class="card-body">
                                <h6 class="card-title">
                                    <i class="fa fa-share text-primary"></i> Units Issued
                                </h6>
                                <p class="card-text">
                                    Blood units issued to clinical staff
                                </p>
                            </div>
                        </div>
                    </div>
                    {% endif %}

                    {% if blood_request.status == 'completed' %}
                    <div class="timeline-item current">
                        <div class="card">
                            <div class="card-body">
                                <h6 class="card-title">
                                    <i class="fa fa-check-circle text-success"></i> Request Completed
                                </h6>
                                <p class="card-text">
                                    All requested units have been successfully transfused
                                </p>
                            </div>
                        </div>
                    </div>
                    {% endif %}

                    {% if blood_request.status == 'cancelled' %}
                    <div class="timeline-item current">
                        <div class="card">
                            <div class="card-body">
                                <h6 class="card-title">
                                    <i class="fa fa-times text-danger"></i> Request Cancelled
                                </h6>
                                <p class="card-text">
                                    Request was cancelled and no units were issued
                                </p>
                            </div>
                        </div>
                    </div>
                    {% endif %}
                </div>
            </div>
        </div>
        <!-- END request timeline -->
    </div>
    <!-- END col-8 -->
</div>
<!-- END row -->

<!-- BEGIN action buttons -->
<div class="row">
    <div class="col-12">
        <div class="d-flex justify-content-between">
            <a href="{% url 'blood_bank:blood_request_list' %}" class="btn btn-default">
                <i class="fa fa-arrow-left"></i> Back to Requests
            </a>
            <div>
                {% if blood_request.status in 'pending,processing,ready' %}
                <a href="{% url 'blood_bank:blood_issue_create' blood_request.id %}" class="btn btn-success">
                    <i class="fa fa-share"></i> Issue Blood Unit
                </a>
                {% endif %}
                {% if blood_request.status == 'pending' %}
                <button type="button" class="btn btn-danger" onclick="cancelRequest()">
                    <i class="fa fa-times"></i> Cancel Request
                </button>
                {% endif %}
                <button type="button" class="btn btn-info" onclick="window.print()">
                    <i class="fa fa-print"></i> Print Request
                </button>
            </div>
        </div>
    </div>
</div>
<!-- END action buttons -->
{% endblock %}

{% block js %}
<script>
function checkAvailability() {
    var bloodGroupId = {{ blood_request.patient_blood_group.id }};
    var componentId = {{ blood_request.component_requested.id }};
    
    // Show loading
    $('#availabilityResults').html(`
        <div class="text-center">
            <i class="fa fa-spinner fa-spin fa-2x"></i>
            <p>Checking availability...</p>
        </div>
    `).show();
    
    // Make AJAX call to check availability
    $.get('/blood-bank/api/blood-availability/', {
        blood_group: bloodGroupId,
        component: componentId
    })
    .done(function(data) {
        var resultHtml = `
            <div class="alert alert-info">
                <h6><i class="fa fa-info-circle"></i> Availability Results</h6>
                <p><strong>Available Units:</strong> ${data.available_units}</p>
                <p><strong>Requested Units:</strong> {{ blood_request.units_requested }}</p>
        `;
        
        if (data.available_units >= {{ blood_request.units_requested }}) {
            resultHtml += '<p class="text-success"><i class="fa fa-check"></i> Sufficient units available</p>';
        } else {
            resultHtml += '<p class="text-warning"><i class="fa fa-exclamation-triangle"></i> Insufficient units available</p>';
        }
        
        resultHtml += '</div>';
        $('#availabilityResults').html(resultHtml);
    })
    .fail(function() {
        $('#availabilityResults').html(`
            <div class="alert alert-danger">
                <i class="fa fa-exclamation-triangle"></i> Error checking availability
            </div>
        `);
    });
}

function cancelRequest() {
    Swal.fire({
        title: 'Cancel Blood Request?',
        text: 'This action cannot be undone. The request will be marked as cancelled.',
        icon: 'warning',
        showCancelButton: true,
        confirmButtonColor: '#d33',
        cancelButtonColor: '#3085d6',
        confirmButtonText: 'Yes, Cancel Request',
        cancelButtonText: 'Keep Request'
    }).then((result) => {
        if (result.isConfirmed) {
            // Here you would make an AJAX call to cancel the request
            Swal.fire({
                icon: 'success',
                title: 'Request Cancelled',
                text: 'The blood request has been cancelled.',
                confirmButtonText: 'OK'
            }).then(() => {
                location.reload();
            });
        }
    });
}

// Auto-refresh for emergency requests
{% if blood_request.urgency == 'emergency' %}
setInterval(function() {
    if (document.visibilityState === 'visible') {
        location.reload();
    }
}, 60000); // Refresh every minute for emergency requests
{% endif %}
</script>
{% endblock %}