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

{% block title %}Quality Incidents{% endblock %}

{% block content %}
<div class="d-flex align-items-center mb-3">
    <div>
        <ol class="breadcrumb">
            <li class="breadcrumb-item"><a href="{% url 'quality:dashboard' %}">Quality</a></li>
            <li class="breadcrumb-item active">Incidents</li>
        </ol>
        <h1 class="page-header mb-0">Quality Incidents</h1>
    </div>
    <div class="ms-auto">
        <div class="btn-group">
            <a href="{% url 'quality:incident_form' %}" class="btn btn-primary">
                <i class="fas fa-plus me-2"></i>Report Incident
            </a>
            <button type="button" class="btn btn-outline-secondary dropdown-toggle dropdown-toggle-split" data-bs-toggle="dropdown">
                <span class="visually-hidden">Toggle Dropdown</span>
            </button>
            <ul class="dropdown-menu">
                <li><a class="dropdown-item" href="#" onclick="exportIncidents()">
                    <i class="fas fa-download me-2"></i>Export Incidents
                </a></li>
                <li><a class="dropdown-item" href="#" onclick="generateReport()">
                    <i class="fas fa-chart-bar me-2"></i>Generate Report
                </a></li>
                <li><hr class="dropdown-divider"></li>
                <li><a class="dropdown-item" href="#" onclick="bulkUpdate()">
                    <i class="fas fa-edit me-2"></i>Bulk Update
                </a></li>
                <li><a class="dropdown-item" href="#" onclick="trendAnalysis()">
                    <i class="fas fa-chart-line me-2"></i>Trend Analysis
                </a></li>
            </ul>
        </div>
    </div>
</div>

<!-- Statistics Cards -->
<div class="row mb-4">
    <div class="col-xl-3 col-md-6">
        <div class="card bg-primary text-white">
            <div class="card-body">
                <div class="d-flex align-items-center">
                    <div class="flex-grow-1">
                        <div class="fs-4 fw-bold">{{ total_incidents|default:0 }}</div>
                        <div>Total Incidents</div>
                    </div>
                    <div class="flex-shrink-0">
                        <i class="fas fa-exclamation-triangle fa-2x opacity-75"></i>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="col-xl-3 col-md-6">
        <div class="card bg-warning text-white">
            <div class="card-body">
                <div class="d-flex align-items-center">
                    <div class="flex-grow-1">
                        <div class="fs-4 fw-bold">{{ open_incidents|default:0 }}</div>
                        <div>Open Incidents</div>
                    </div>
                    <div class="flex-shrink-0">
                        <i class="fas fa-clock fa-2x opacity-75"></i>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="col-xl-3 col-md-6">
        <div class="card bg-danger text-white">
            <div class="card-body">
                <div class="d-flex align-items-center">
                    <div class="flex-grow-1">
                        <div class="fs-4 fw-bold">{{ high_severity|default:0 }}</div>
                        <div>High Severity</div>
                    </div>
                    <div class="flex-shrink-0">
                        <i class="fas fa-fire fa-2x opacity-75"></i>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="col-xl-3 col-md-6">
        <div class="card bg-success text-white">
            <div class="card-body">
                <div class="d-flex align-items-center">
                    <div class="flex-grow-1">
                        <div class="fs-4 fw-bold">{{ resolved_this_month|default:0 }}</div>
                        <div>Resolved This Month</div>
                    </div>
                    <div class="flex-shrink-0">
                        <i class="fas fa-check-circle fa-2x opacity-75"></i>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Filters and Search -->
<div class="card mb-4">
    <div class="card-body">
        <form method="get" class="row g-3">
            <div class="col-md-3">
                <label for="search" class="form-label">Search</label>
                <input type="text" 
                       class="form-control" 
                       id="search" 
                       name="search" 
                       value="{{ request.GET.search }}" 
                       placeholder="Search incidents...">
            </div>
            <div class="col-md-2">
                <label for="severity" class="form-label">Severity</label>
                <select class="form-select" id="severity" name="severity">
                    <option value="">All Severities</option>
                    <option value="low" {% if request.GET.severity == 'low' %}selected{% endif %}>Low</option>
                    <option value="medium" {% if request.GET.severity == 'medium' %}selected{% endif %}>Medium</option>
                    <option value="high" {% if request.GET.severity == 'high' %}selected{% endif %}>High</option>
                    <option value="critical" {% if request.GET.severity == 'critical' %}selected{% endif %}>Critical</option>
                </select>
            </div>
            <div class="col-md-2">
                <label for="status" class="form-label">Status</label>
                <select class="form-select" id="status" name="status">
                    <option value="">All Status</option>
                    <option value="open" {% if request.GET.status == 'open' %}selected{% endif %}>Open</option>
                    <option value="investigating" {% if request.GET.status == 'investigating' %}selected{% endif %}>Investigating</option>
                    <option value="resolved" {% if request.GET.status == 'resolved' %}selected{% endif %}>Resolved</option>
                    <option value="closed" {% if request.GET.status == 'closed' %}selected{% endif %}>Closed</option>
                </select>
            </div>
            <div class="col-md-2">
                <label for="category" class="form-label">Category</label>
                <select class="form-select" id="category" name="category">
                    <option value="">All Categories</option>
                    <option value="patient_safety" {% if request.GET.category == 'patient_safety' %}selected{% endif %}>Patient Safety</option>
                    <option value="medication_error" {% if request.GET.category == 'medication_error' %}selected{% endif %}>Medication Error</option>
                    <option value="equipment_failure" {% if request.GET.category == 'equipment_failure' %}selected{% endif %}>Equipment Failure</option>
                    <option value="infection_control" {% if request.GET.category == 'infection_control' %}selected{% endif %}>Infection Control</option>
                    <option value="documentation" {% if request.GET.category == 'documentation' %}selected{% endif %}>Documentation</option>
                </select>
            </div>
            <div class="col-md-2">
                <label for="date_range" class="form-label">Date Range</label>
                <select class="form-select" id="date_range" 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="quarter" {% if request.GET.date_range == 'quarter' %}selected{% endif %}>This Quarter</option>
                </select>
            </div>
            <div class="col-md-1">
                <label class="form-label">&nbsp;</label>
                <div class="d-grid">
                    <button type="submit" class="btn btn-primary">
                        <i class="fas fa-search"></i>
                    </button>
                </div>
            </div>
        </form>
    </div>
</div>

<!-- Incidents Table -->
<div class="card">
    <div class="card-header">
        <div class="d-flex align-items-center">
            <h4 class="card-title mb-0">
                <i class="fas fa-list me-2"></i>
                Quality Incidents
                {% if object_list %}
                    <span class="badge bg-secondary ms-2">{{ object_list|length }}</span>
                {% endif %}
            </h4>
            <div class="ms-auto">
                <div class="btn-group btn-group-sm">
                    <button type="button" class="btn btn-outline-secondary" onclick="selectAll()">
                        <i class="fas fa-check-square me-1"></i>Select All
                    </button>
                    <button type="button" class="btn btn-outline-secondary" onclick="clearSelection()">
                        <i class="fas fa-square me-1"></i>Clear
                    </button>
                    <button type="button" class="btn btn-outline-primary" onclick="refreshTable()">
                        <i class="fas fa-sync me-1"></i>Refresh
                    </button>
                </div>
            </div>
        </div>
    </div>
    <div class="card-body p-0">
        {% if object_list %}
            <div class="table-responsive">
                <table class="table table-hover mb-0">
                    <thead class="table-light">
                        <tr>
                            <th width="40">
                                <input type="checkbox" id="selectAllCheckbox" onchange="toggleAll(this)">
                            </th>
                            <th>Incident ID</th>
                            <th>Title</th>
                            <th>Category</th>
                            <th>Severity</th>
                            <th>Status</th>
                            <th>Reported By</th>
                            <th>Date Reported</th>
                            <th width="120">Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for incident in object_list %}
                        <tr>
                            <td>
                                <input type="checkbox" class="incident-checkbox" value="{{ incident.pk }}">
                            </td>
                            <td>
                                <div class="fw-bold">
                                    <a href="{% url 'quality:incident_detail' incident.pk %}" class="text-decoration-none">
                                        {{ incident.incident_id }}
                                    </a>
                                </div>
                                {% if incident.is_confidential %}
                                <div class="small text-warning">
                                    <i class="fas fa-lock me-1"></i>Confidential
                                </div>
                                {% endif %}
                            </td>
                            <td>
                                <div class="fw-bold">{{ incident.title|truncatechars:50 }}</div>
                                {% if incident.patient %}
                                <div class="small text-muted">Patient: {{ incident.patient.get_full_name }}</div>
                                {% endif %}
                            </td>
                            <td>
                                <div class="d-flex align-items-center">
                                    <i class="fas fa-{% if incident.category == 'patient_safety' %}shield-alt text-danger{% elif incident.category == 'medication_error' %}pills text-warning{% elif incident.category == 'equipment_failure' %}cog text-info{% elif incident.category == 'infection_control' %}virus text-success{% else %}file-alt text-secondary{% endif %} me-2"></i>
                                    {{ incident.get_category_display }}
                                </div>
                            </td>
                            <td>
                                <span class="badge bg-{% if incident.severity == 'critical' %}danger{% elif incident.severity == 'high' %}warning{% elif incident.severity == 'medium' %}info{% else %}secondary{% endif %}">
                                    {{ incident.get_severity_display }}
                                </span>
                            </td>
                            <td>
                                <span class="badge bg-{% if incident.status == 'open' %}danger{% elif incident.status == 'investigating' %}warning{% elif incident.status == 'resolved' %}success{% else %}secondary{% endif %}">
                                    {{ incident.get_status_display }}
                                </span>
                                {% if incident.days_open > 30 %}
                                    <div class="small text-danger mt-1">
                                        <i class="fas fa-clock me-1"></i>{{ incident.days_open }} days
                                    </div>
                                {% endif %}
                            </td>
                            <td>
                                <div class="fw-bold">{{ incident.reported_by.get_full_name }}</div>
                                <div class="small text-muted">{{ incident.department|default:"Unknown Dept" }}</div>
                            </td>
                            <td>
                                <div class="fw-bold">{{ incident.date_reported|date:"M d, Y" }}</div>
                                <div class="small text-muted">{{ incident.date_reported|date:"g:i A" }}</div>
                            </td>
                            <td>
                                <div class="btn-group btn-group-sm">
                                    <a href="{% url 'quality:incident_detail' incident.pk %}" 
                                       class="btn btn-outline-primary" 
                                       title="View Details">
                                        <i class="fas fa-eye"></i>
                                    </a>
                                    <a href="{% url 'quality:incident_form' incident.pk %}" 
                                       class="btn btn-outline-secondary" 
                                       title="Edit">
                                        <i class="fas fa-edit"></i>
                                    </a>
                                    <button type="button" 
                                            class="btn btn-outline-info" 
                                            onclick="quickUpdate({{ incident.pk }})"
                                            title="Quick Update">
                                        <i class="fas fa-bolt"></i>
                                    </button>
                                    <a href="{% url 'quality:incident_confirm_delete' incident.pk %}" 
                                       class="btn btn-outline-danger" 
                                       title="Delete">
                                        <i class="fas fa-trash"></i>
                                    </a>
                                </div>
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>

            <!-- Pagination -->
            {% if is_paginated %}
            <div class="card-footer">
                <div class="d-flex justify-content-between align-items-center">
                    <div>
                        Showing {{ page_obj.start_index }} to {{ page_obj.end_index }} of {{ paginator.count }} incidents
                    </div>
                    <nav>
                        <ul class="pagination pagination-sm mb-0">
                            {% 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.severity %}&severity={{ request.GET.severity }}{% 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.severity %}&severity={{ request.GET.severity }}{% endif %}">Previous</a>
                                </li>
                            {% endif %}
                            
                            <li class="page-item active">
                                <span class="page-link">{{ page_obj.number }}</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.severity %}&severity={{ request.GET.severity }}{% endif %}">Next</a>
                                </li>
                                <li class="page-item">
                                    <a class="page-link" href="?page={{ paginator.num_pages }}{% if request.GET.search %}&search={{ request.GET.search }}{% endif %}{% if request.GET.severity %}&severity={{ request.GET.severity }}{% endif %}">Last</a>
                                </li>
                            {% endif %}
                        </ul>
                    </nav>
                </div>
            </div>
            {% endif %}

            <!-- Bulk Actions -->
            <div class="card-footer bg-light" id="bulkActions" style="display: none;">
                <div class="d-flex align-items-center">
                    <div class="me-3">
                        <span id="selectedCount">0</span> incident(s) selected
                    </div>
                    <div class="btn-group btn-group-sm">
                        <button type="button" class="btn btn-warning" onclick="bulkUpdateStatus('investigating')">
                            <i class="fas fa-search me-1"></i>Start Investigation
                        </button>
                        <button type="button" class="btn btn-success" onclick="bulkUpdateStatus('resolved')">
                            <i class="fas fa-check me-1"></i>Mark Resolved
                        </button>
                        <button type="button" class="btn btn-info" onclick="bulkAssign()">
                            <i class="fas fa-user me-1"></i>Assign
                        </button>
                        <button type="button" class="btn btn-outline-primary" onclick="bulkExport()">
                            <i class="fas fa-download me-1"></i>Export
                        </button>
                        <button type="button" class="btn btn-danger" onclick="bulkDelete()">
                            <i class="fas fa-trash me-1"></i>Delete
                        </button>
                    </div>
                </div>
            </div>
        {% else %}
            <div class="text-center py-5">
                <i class="fas fa-exclamation-triangle fa-3x text-muted mb-3"></i>
                <h5>No Incidents Found</h5>
                <p class="text-muted">No quality incidents match your current filters.</p>
                <a href="{% url 'quality:incident_form' %}" class="btn btn-primary">
                    <i class="fas fa-plus me-2"></i>Report First Incident
                </a>
            </div>
        {% endif %}
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    updateBulkActions();
    
    // Auto-refresh every 60 seconds for real-time updates
    setInterval(function() {
        if (document.visibilityState === 'visible') {
            refreshTable();
        }
    }, 60000);
});

function toggleAll(checkbox) {
    const checkboxes = document.querySelectorAll('.incident-checkbox');
    checkboxes.forEach(cb => cb.checked = checkbox.checked);
    updateBulkActions();
}

function selectAll() {
    const checkboxes = document.querySelectorAll('.incident-checkbox');
    checkboxes.forEach(cb => cb.checked = true);
    document.getElementById('selectAllCheckbox').checked = true;
    updateBulkActions();
}

function clearSelection() {
    const checkboxes = document.querySelectorAll('.incident-checkbox');
    checkboxes.forEach(cb => cb.checked = false);
    document.getElementById('selectAllCheckbox').checked = false;
    updateBulkActions();
}

function updateBulkActions() {
    const checkboxes = document.querySelectorAll('.incident-checkbox:checked');
    const count = checkboxes.length;
    const bulkActions = document.getElementById('bulkActions');
    const selectedCount = document.getElementById('selectedCount');
    
    if (count > 0) {
        bulkActions.style.display = 'block';
        selectedCount.textContent = count;
    } else {
        bulkActions.style.display = 'none';
    }
}

// Add event listeners to checkboxes
document.addEventListener('change', function(e) {
    if (e.target.classList.contains('incident-checkbox')) {
        updateBulkActions();
    }
});

function getSelectedIncidents() {
    const checkboxes = document.querySelectorAll('.incident-checkbox:checked');
    return Array.from(checkboxes).map(cb => cb.value);
}

function quickUpdate(incidentId) {
    // In a real implementation, this would open a quick update modal
    const status = prompt('Update status to (open/investigating/resolved/closed):');
    if (status && ['open', 'investigating', 'resolved', 'closed'].includes(status)) {
        console.log('Updating incident', incidentId, 'to status', status);
        location.reload();
    }
}

function bulkUpdateStatus(status) {
    const selected = getSelectedIncidents();
    if (selected.length === 0) return;
    
    const statusText = status.replace('_', ' ').replace(/\b\w/g, l => l.toUpperCase());
    if (confirm(`Update status to "${statusText}" for ${selected.length} selected incident(s)?`)) {
        console.log('Updating status to', status, 'for incidents:', selected);
        location.reload();
    }
}

function bulkAssign() {
    const selected = getSelectedIncidents();
    if (selected.length === 0) return;
    
    // In a real implementation, this would open an assignment modal
    alert('Bulk assignment functionality would be implemented here.');
}

function bulkExport() {
    const selected = getSelectedIncidents();
    if (selected.length === 0) return;
    
    console.log('Exporting incidents:', selected);
    alert('Export functionality would be implemented here.');
}

function bulkDelete() {
    const selected = getSelectedIncidents();
    if (selected.length === 0) return;
    
    if (confirm(`Are you sure you want to delete ${selected.length} selected incident(s)? This action cannot be undone.`)) {
        console.log('Deleting incidents:', selected);
        location.reload();
    }
}

function refreshTable() {
    location.reload();
}

function exportIncidents() {
    alert('Export all incidents functionality would be implemented here.');
}

function generateReport() {
    alert('Generate report functionality would be implemented here.');
}

function bulkUpdate() {
    alert('Bulk update functionality would be implemented here.');
}

function trendAnalysis() {
    alert('Trend analysis functionality would be implemented here.');
}
</script>
{% endblock %}