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

{% block title %}Operative Notes{% endblock %}

{% block css %}
<style>
.stats-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border: none;
}

.stats-card .stats-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

.stats-card .stats-number {
    font-size: 2rem;
    font-weight: bold;
    margin: 0.5rem 0;
}

.filter-section {
    background: #f8f9fa;
    border-radius: 0.375rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.note-card {
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: white;
    transition: all 0.3s ease;
}

.note-card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.note-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #dee2e6;
}

.procedure-badge {
    font-size: 0.875rem;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
}

.urgency-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

.note-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.note-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
}

.status-draft { background-color: #6c757d; }
.status-pending { background-color: #ffc107; }
.status-signed { background-color: #28a745; }
.status-amended { background-color: #17a2b8; }

@media (max-width: 768px) {
    .note-content {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .note-actions {
        flex-direction: column;
    }
    
    .filter-section {
        padding: 1rem;
    }
}
</style>
{% endblock %}

{% block content %}
<div id="content" class="app-content">
    <!-- Page Header -->
    <div class="d-flex align-items-center mb-3">
        <div>
            <ol class="breadcrumb">
                <li class="breadcrumb-item"><a href="{% url 'core:dashboard' %}">Dashboard</a></li>
                <li class="breadcrumb-item"><a href="{% url 'operating_theatre:dashboard' %}">Operating Theatre</a></li>
                <li class="breadcrumb-item active">Operative Notes</li>
            </ol>
            <h1 class="page-header mb-0">
                <i class="fas fa-file-medical me-2"></i>Operative Notes
            </h1>
        </div>
        <div class="ms-auto">
            <a href="{% url 'operating_theatre:surgical_note_create' %}" class="btn btn-primary">
                <i class="fas fa-plus me-1"></i>New Note
            </a>
        </div>
    </div>

    <!-- Statistics Cards -->
    <div class="row mb-4">
        <div class="col-lg-3 col-md-6">
            <div class="stats-card">
                <div class="d-flex align-items-center">
                    <div class="flex-grow-1">
                        <div class="stats-number">{{ stats.total_notes }}</div>
                        <div>Total Notes</div>
                    </div>
                    <div class="stats-icon">
                        <i class="fas fa-file-medical"></i>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-lg-3 col-md-6">
            <div class="stats-card">
                <div class="d-flex align-items-center">
                    <div class="flex-grow-1">
                        <div class="stats-number">{{ stats.pending_signature }}</div>
                        <div>Pending Signature</div>
                    </div>
                    <div class="stats-icon">
                        <i class="fas fa-signature"></i>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-lg-3 col-md-6">
            <div class="stats-card">
                <div class="d-flex align-items-center">
                    <div class="flex-grow-1">
                        <div class="stats-number">{{ stats.today_notes }}</div>
                        <div>Today's Notes</div>
                    </div>
                    <div class="stats-icon">
                        <i class="fas fa-calendar-day"></i>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-lg-3 col-md-6">
            <div class="stats-card">
                <div class="d-flex align-items-center">
                    <div class="flex-grow-1">
                        <div class="stats-number">{{ stats.overdue_notes }}</div>
                        <div>Overdue</div>
                    </div>
                    <div class="stats-icon">
                        <i class="fas fa-exclamation-triangle"></i>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Filters -->
    <div class="filter-section">
        <form method="get" id="filterForm">
            <div class="row">
                <div class="col-md-3">
                    <div class="form-group">
                        <label class="form-label">Date Range</label>
                        <select class="form-select" name="date_range">
                            <option value="">All Dates</option>
                            <option value="today" {% if request.GET.date_range == 'today' %}selected{% endif %}>Today</option>
                            <option value="week" {% if request.GET.date_range == 'week' %}selected{% endif %}>This Week</option>
                            <option value="month" {% if request.GET.date_range == 'month' %}selected{% endif %}>This Month</option>
                            <option value="custom" {% if request.GET.date_range == 'custom' %}selected{% endif %}>Custom Range</option>
                        </select>
                    </div>
                </div>
                <div class="col-md-3">
                    <div class="form-group">
                        <label class="form-label">Status</label>
                        <select class="form-select" name="status">
                            <option value="">All Status</option>
                            <option value="draft" {% if request.GET.status == 'draft' %}selected{% endif %}>Draft</option>
                            <option value="pending" {% if request.GET.status == 'pending' %}selected{% endif %}>Pending Signature</option>
                            <option value="signed" {% if request.GET.status == 'signed' %}selected{% endif %}>Signed</option>
                            <option value="amended" {% if request.GET.status == 'amended' %}selected{% endif %}>Amended</option>
                        </select>
                    </div>
                </div>
                <div class="col-md-3">
                    <div class="form-group">
                        <label class="form-label">Surgeon</label>
                        <select class="form-select" name="surgeon">
                            <option value="">All Surgeons</option>
                            {% for surgeon in surgeons %}
                            <option value="{{ surgeon.id }}" {% if request.GET.surgeon == surgeon.id|stringformat:"s" %}selected{% endif %}>
                                {{ surgeon.get_full_name }}
                            </option>
                            {% endfor %}
                        </select>
                    </div>
                </div>
                <div class="col-md-3">
                    <div class="form-group">
                        <label class="form-label">Search</label>
                        <div class="input-group">
                            <input type="text" class="form-control" name="search" 
                                   value="{{ request.GET.search }}" placeholder="Patient name, procedure...">
                            <button class="btn btn-outline-secondary" type="submit">
                                <i class="fas fa-search"></i>
                            </button>
                        </div>
                    </div>
                </div>
            </div>
            <div class="row mt-3">
                <div class="col-12">
                    <button type="submit" class="btn btn-primary me-2">
                        <i class="fas fa-filter me-1"></i>Apply Filters
                    </button>
                    <a href="{% url 'operating_theatre:surgical_note_list' %}" class="btn btn-outline-secondary">
                        <i class="fas fa-times me-1"></i>Clear
                    </a>
                </div>
            </div>
        </form>
    </div>

    <!-- Notes List -->
    <div class="row">
        {% for note in notes %}
        <div class="col-12">
            <div class="note-card">
                <div class="note-header">
                    <div class="d-flex align-items-center">
                        <span class="status-indicator status-{{ note.status }}"></span>
                        <h5 class="mb-0 me-3">{{ note.patient.get_full_name }}</h5>
                        <span class="procedure-badge badge bg-primary">{{ note.procedure_name }}</span>
                        {% if note.urgency == 'emergency' %}
                        <span class="urgency-badge badge bg-danger ms-2">Emergency</span>
                        {% elif note.urgency == 'urgent' %}
                        <span class="urgency-badge badge bg-warning ms-2">Urgent</span>
                        {% endif %}
                    </div>
                    <div class="text-muted">
                        <small>{{ note.surgery_date|date:"M d, Y H:i" }}</small>
                    </div>
                </div>
                
                <div class="note-content">
                    <div>
                        <div class="mb-2">
                            <strong>Patient ID:</strong> {{ note.patient.patient_id }}
                        </div>
                        <div class="mb-2">
                            <strong>Surgeon:</strong> {{ note.primary_surgeon.get_full_name }}
                        </div>
                        <div class="mb-2">
                            <strong>Operating Room:</strong> {{ note.operating_room.name }}
                        </div>
                        <div class="mb-2">
                            <strong>Duration:</strong> 
                            {% if note.surgery_end_time %}
                                {{ note.surgery_duration }} minutes
                            {% else %}
                                In Progress
                            {% endif %}
                        </div>
                    </div>
                    <div>
                        <div class="mb-2">
                            <strong>Status:</strong>
                            {% if note.status == 'draft' %}
                                <span class="badge bg-secondary">Draft</span>
                            {% elif note.status == 'pending' %}
                                <span class="badge bg-warning">Pending Signature</span>
                            {% elif note.status == 'signed' %}
                                <span class="badge bg-success">Signed</span>
                            {% elif note.status == 'amended' %}
                                <span class="badge bg-info">Amended</span>
                            {% endif %}
                        </div>
                        <div class="mb-2">
                            <strong>Created:</strong> {{ note.created_at|date:"M d, Y H:i" }}
                        </div>
                        <div class="mb-2">
                            <strong>Last Updated:</strong> {{ note.updated_at|date:"M d, Y H:i" }}
                        </div>
                        {% if note.signed_at %}
                        <div class="mb-2">
                            <strong>Signed:</strong> {{ note.signed_at|date:"M d, Y H:i" }}
                        </div>
                        {% endif %}
                    </div>
                </div>
                
                <div class="note-actions">
                    <a href="{% url 'operating_theatre:operative_note_detail' note.pk %}" 
                       class="btn btn-outline-primary btn-sm">
                        <i class="fas fa-eye me-1"></i>View
                    </a>
                    {% if note.status == 'draft' or note.status == 'pending' %}
                    <a href="{% url 'operating_theatre:operative_note_edit' note.pk %}" 
                       class="btn btn-outline-secondary btn-sm">
                        <i class="fas fa-edit me-1"></i>Edit
                    </a>
                    {% endif %}
                    {% if note.status == 'pending' and note.primary_surgeon == request.user %}
                    <button class="btn btn-success btn-sm" onclick="signNote('{{ note.pk }}')">
                        <i class="fas fa-signature me-1"></i>Sign
                    </button>
                    {% endif %}
                    <div class="dropdown">
                        <button class="btn btn-outline-secondary btn-sm dropdown-toggle" 
                                type="button" data-bs-toggle="dropdown">
                            <i class="fas fa-ellipsis-v"></i>
                        </button>
                        <ul class="dropdown-menu">
                            <li>
                                <a class="dropdown-item" href="{% url 'operating_theatre:operative_note_print' note.pk %}">
                                    <i class="fas fa-print me-2"></i>Print
                                </a>
                            </li>
                            <li>
                                <a class="dropdown-item" href="{% url 'operating_theatre:operative_note_pdf' note.pk %}">
                                    <i class="fas fa-file-pdf me-2"></i>Download PDF
                                </a>
                            </li>
                            {% if note.status == 'signed' %}
                            <li>
                                <a class="dropdown-item" href="#" onclick="amendNote('{{ note.pk }}')">
                                    <i class="fas fa-edit me-2"></i>Amend Note
                                </a>
                            </li>
                            {% endif %}
                            <li><hr class="dropdown-divider"></li>
                            <li>
                                <a class="dropdown-item text-danger" href="#" onclick="deleteNote('{{ note.pk }}')">
                                    <i class="fas fa-trash me-2"></i>Delete
                                </a>
                            </li>
                        </ul>
                    </div>
                </div>
            </div>
        </div>
        {% empty %}
        <div class="col-12">
            <div class="text-center py-5">
                <i class="fas fa-file-medical fa-3x text-muted mb-3"></i>
                <h5 class="text-muted">No operative notes found</h5>
                <p class="text-muted">No notes match your current filters.</p>
                <a href="{% url 'operating_theatre:surgical_note_create' %}" class="btn btn-primary">
                    <i class="fas fa-plus me-1"></i>Create First Note
                </a>
            </div>
        </div>
        {% endfor %}
    </div>

    <!-- Pagination -->
    {% if is_paginated %}
    <div class="d-flex justify-content-center mt-4">
        <nav>
            <ul class="pagination">
                {% if page_obj.has_previous %}
                <li class="page-item">
                    <a class="page-link" href="?page=1{% if request.GET.urlencode %}&{{ request.GET.urlencode }}{% endif %}">First</a>
                </li>
                <li class="page-item">
                    <a class="page-link" href="?page={{ page_obj.previous_page_number }}{% if request.GET.urlencode %}&{{ request.GET.urlencode }}{% endif %}">Previous</a>
                </li>
                {% endif %}
                
                <li class="page-item active">
                    <span class="page-link">{{ 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.urlencode %}&{{ request.GET.urlencode }}{% endif %}">Next</a>
                </li>
                <li class="page-item">
                    <a class="page-link" href="?page={{ page_obj.paginator.num_pages }}{% if request.GET.urlencode %}&{{ request.GET.urlencode }}{% endif %}">Last</a>
                </li>
                {% endif %}
            </ul>
        </nav>
    </div>
    {% endif %}
</div>
{% endblock %}

{% block js %}
<script>
function signNote(noteId) {
    if (confirm('Sign this operative note? Once signed, the note cannot be edited without creating an amendment.')) {
        $.ajax({
            url: `/operating-theatre/notes/${noteId}/sign/`,
            method: 'POST',
            data: {
                'csrfmiddlewaretoken': '{{ csrf_token }}'
            },
            success: function(response) {
                if (response.success) {
                    location.reload();
                } else {
                    alert('Error signing note: ' + response.error);
                }
            },
            error: function() {
                alert('Error signing note');
            }
        });
    }
}

function amendNote(noteId) {
    const reason = prompt('Enter reason for amendment:');
    if (reason) {
        window.location.href = `/operating-theatre/notes/${noteId}/amend/?reason=${encodeURIComponent(reason)}`;
    }
}

function deleteNote(noteId) {
    if (confirm('Delete this operative note? This action cannot be undone.')) {
        window.location.href = `/operating-theatre/notes/${noteId}/delete/`;
    }
}

// Auto-submit form on filter change
$('#filterForm select').on('change', function() {
    $('#filterForm').submit();
});
</script>
{% endblock %}