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

{% block title %}Bed Maintenance Management{% endblock %}

{% block extra_css %}
<link href="{% static 'plugins/datatables.net-bs5/css/dataTables.bootstrap5.min.css' %}" rel="stylesheet" />
<link href="{% static 'plugins/datatables.net-responsive-bs5/css/responsive.bootstrap5.min.css' %}" rel="stylesheet" />
<style>
.maintenance-status-scheduled { color: #ffc107; }
.maintenance-status-in-progress { color: #17a2b8; }
.maintenance-status-completed { color: #28a745; }
.maintenance-status-cancelled { color: #6c757d; }
.maintenance-status-overdue { color: #dc3545; }

.priority-low { color: #28a745; }
.priority-medium { color: #ffc107; }
.priority-high { color: #fd7e14; }
.priority-critical { color: #dc3545; }

.bed-status-available { background-color: #d4edda; color: #155724; }
.bed-status-occupied { background-color: #f8d7da; color: #721c24; }
.bed-status-maintenance { background-color: #fff3cd; color: #856404; }
.bed-status-out-of-order { background-color: #f5c6cb; color: #721c24; }

.maintenance-card {
    transition: all 0.3s ease;
    border-left: 4px solid #dee2e6;
}

.maintenance-card.scheduled { border-left-color: #ffc107; }
.maintenance-card.in-progress { border-left-color: #17a2b8; }
.maintenance-card.completed { border-left-color: #28a745; }
.maintenance-card.overdue { border-left-color: #dc3545; }

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

.stats-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
}

.stats-card.warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.stats-card.success {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.stats-card.info {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

@media (max-width: 768px) {
    .maintenance-card {
        margin-bottom: 15px;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}
</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 'inpatients:dashboard' %}">Inpatients</a></li>
                <li class="breadcrumb-item active">Bed Maintenance</li>
            </ol>
            <h1 class="page-header mb-0">
                <i class="fas fa-tools me-2"></i>Bed Maintenance Management
            </h1>
        </div>
        <div class="ms-auto">
            <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#scheduleMaintenanceModal">
                <i class="fas fa-plus me-1"></i>Schedule Maintenance
            </button>
        </div>
    </div>

    <!-- Statistics Cards -->
    <div class="row mb-4">
        <div class="col-xl-3 col-md-6">
            <div class="card stats-card">
                <div class="card-body">
                    <div class="d-flex align-items-center">
                        <div class="flex-grow-1">
                            <div class="text-white-75 mb-1">Total Beds</div>
                            <div class="h3 mb-0 text-white">{{ stats.total_beds|default:0 }}</div>
                        </div>
                        <div class="ms-3">
                            <i class="fas fa-bed fa-2x text-white-50"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-xl-3 col-md-6">
            <div class="card stats-card warning">
                <div class="card-body">
                    <div class="d-flex align-items-center">
                        <div class="flex-grow-1">
                            <div class="text-white-75 mb-1">Under Maintenance</div>
                            <div class="h3 mb-0 text-white">{{ stats.under_maintenance|default:0 }}</div>
                        </div>
                        <div class="ms-3">
                            <i class="fas fa-wrench fa-2x text-white-50"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-xl-3 col-md-6">
            <div class="card stats-card success">
                <div class="card-body">
                    <div class="d-flex align-items-center">
                        <div class="flex-grow-1">
                            <div class="text-white-75 mb-1">Scheduled Today</div>
                            <div class="h3 mb-0 text-white">{{ stats.scheduled_today|default:0 }}</div>
                        </div>
                        <div class="ms-3">
                            <i class="fas fa-calendar-check fa-2x text-white-50"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-xl-3 col-md-6">
            <div class="card stats-card info">
                <div class="card-body">
                    <div class="d-flex align-items-center">
                        <div class="flex-grow-1">
                            <div class="text-white-75 mb-1">Overdue</div>
                            <div class="h3 mb-0 text-white">{{ stats.overdue|default:0 }}</div>
                        </div>
                        <div class="ms-3">
                            <i class="fas fa-exclamation-triangle fa-2x text-white-50"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Filters and Search -->
    <div class="card mb-4">
        <div class="card-body">
            <div class="row g-3">
                <div class="col-md-3">
                    <label class="form-label">Ward/Unit</label>
                    <select class="form-select" id="ward-filter">
                        <option value="">All Wards</option>
                        {% for ward in wards %}
                        <option value="{{ ward.id }}">{{ ward.name }}</option>
                        {% endfor %}
                    </select>
                </div>
                <div class="col-md-3">
                    <label class="form-label">Maintenance Status</label>
                    <select class="form-select" id="status-filter">
                        <option value="">All Statuses</option>
                        <option value="scheduled">Scheduled</option>
                        <option value="in_progress">In Progress</option>
                        <option value="completed">Completed</option>
                        <option value="cancelled">Cancelled</option>
                        <option value="overdue">Overdue</option>
                    </select>
                </div>
                <div class="col-md-3">
                    <label class="form-label">Priority</label>
                    <select class="form-select" id="priority-filter">
                        <option value="">All Priorities</option>
                        <option value="low">Low</option>
                        <option value="medium">Medium</option>
                        <option value="high">High</option>
                        <option value="critical">Critical</option>
                    </select>
                </div>
                <div class="col-md-3">
                    <label class="form-label">Date Range</label>
                    <select class="form-select" id="date-filter">
                        <option value="">All Dates</option>
                        <option value="today">Today</option>
                        <option value="week">This Week</option>
                        <option value="month">This Month</option>
                        <option value="overdue">Overdue</option>
                    </select>
                </div>
            </div>
            <div class="row mt-3">
                <div class="col-md-6">
                    <div class="input-group">
                        <span class="input-group-text"><i class="fas fa-search"></i></span>
                        <input type="text" class="form-control" id="search-input" placeholder="Search beds, rooms, or maintenance notes...">
                    </div>
                </div>
                <div class="col-md-6 text-end">
                    <button type="button" class="btn btn-outline-secondary me-2" onclick="clearFilters()">
                        <i class="fas fa-times me-1"></i>Clear Filters
                    </button>
                    <button type="button" class="btn btn-success" onclick="exportMaintenanceReport()">
                        <i class="fas fa-file-excel me-1"></i>Export Report
                    </button>
                </div>
            </div>
        </div>
    </div>

    <!-- Maintenance Schedule Table -->
    <div class="card">
        <div class="card-header">
            <h5 class="card-title mb-0">
                <i class="fas fa-list me-2"></i>Maintenance Schedule
            </h5>
        </div>
        <div class="card-body">
            <div class="table-responsive">
                <table id="maintenanceTable" class="table table-striped table-hover">
                    <thead>
                        <tr>
                            <th>Bed</th>
                            <th>Ward/Room</th>
                            <th>Maintenance Type</th>
                            <th>Priority</th>
                            <th>Scheduled Date</th>
                            <th>Status</th>
                            <th>Assigned To</th>
                            <th>Progress</th>
                            <th>Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for maintenance in maintenance_schedules %}
                        <tr>
                            <td>
                                <div class="d-flex align-items-center">
                                    <i class="fas fa-bed me-2 text-muted"></i>
                                    <div>
                                        <div class="fw-bold">{{ maintenance.bed.bed_number }}</div>
                                        <small class="text-muted">{{ maintenance.bed.bed_type }}</small>
                                    </div>
                                </div>
                            </td>
                            <td>
                                <div>
                                    <div class="fw-bold">{{ maintenance.bed.ward.name }}</div>
                                    <small class="text-muted">Room {{ maintenance.bed.room_number }}</small>
                                </div>
                            </td>
                            <td>
                                <span class="badge bg-info">{{ maintenance.get_maintenance_type_display }}</span>
                            </td>
                            <td>
                                <span class="badge priority-{{ maintenance.priority }}">
                                    {{ maintenance.get_priority_display }}
                                </span>
                            </td>
                            <td>
                                <div>
                                    <div>{{ maintenance.scheduled_date|date:"M d, Y" }}</div>
                                    <small class="text-muted">{{ maintenance.scheduled_time|time:"H:i" }}</small>
                                </div>
                            </td>
                            <td>
                                <span class="badge maintenance-status-{{ maintenance.status }}">
                                    {{ maintenance.get_status_display }}
                                </span>
                            </td>
                            <td>
                                {% if maintenance.assigned_to %}
                                    <div>
                                        <div class="fw-bold">{{ maintenance.assigned_to.get_full_name }}</div>
                                        <small class="text-muted">{{ maintenance.assigned_to.department }}</small>
                                    </div>
                                {% else %}
                                    <span class="text-muted">Not assigned</span>
                                {% endif %}
                            </td>
                            <td>
                                <div class="progress" style="height: 6px;">
                                    <div class="progress-bar" role="progressbar" 
                                         style="width: {{ maintenance.progress_percentage }}%"
                                         aria-valuenow="{{ maintenance.progress_percentage }}" 
                                         aria-valuemin="0" aria-valuemax="100"></div>
                                </div>
                                <small class="text-muted">{{ maintenance.progress_percentage }}%</small>
                            </td>
                            <td>
                                <div class="btn-group" role="group">
                                    <button type="button" class="btn btn-sm btn-outline-primary" 
                                            onclick="viewMaintenance('{{ maintenance.id }}')">
                                        <i class="fas fa-eye"></i>
                                    </button>
                                    {% if maintenance.status == 'scheduled' %}
                                    <button type="button" class="btn btn-sm btn-outline-success" 
                                            onclick="startMaintenance('{{ maintenance.id }}')">
                                        <i class="fas fa-play"></i>
                                    </button>
                                    {% endif %}
                                    {% if maintenance.status == 'in_progress' %}
                                    <button type="button" class="btn btn-sm btn-outline-warning" 
                                            onclick="updateProgress('{{ maintenance.id }}')">
                                        <i class="fas fa-edit"></i>
                                    </button>
                                    {% endif %}
                                    <button type="button" class="btn btn-sm btn-outline-secondary" 
                                            onclick="editMaintenance('{{ maintenance.id }}')">
                                        <i class="fas fa-edit"></i>
                                    </button>
                                </div>
                            </td>
                        </tr>
                        {% empty %}
                        <tr>
                            <td colspan="9" class="text-center py-4">
                                <div class="text-muted">
                                    <i class="fas fa-tools fa-3x mb-3"></i>
                                    <p>No maintenance schedules found.</p>
                                    <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#scheduleMaintenanceModal">
                                        <i class="fas fa-plus me-1"></i>Schedule First Maintenance
                                    </button>
                                </div>
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
        </div>
    </div>
</div>

<!-- Schedule Maintenance Modal -->
<div class="modal fade" id="scheduleMaintenanceModal" tabindex="-1" aria-labelledby="scheduleMaintenanceModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="scheduleMaintenanceModalLabel">
                    <i class="fas fa-calendar-plus me-2"></i>Schedule Bed Maintenance
                </h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <form id="scheduleMaintenanceForm" method="post">
                {% csrf_token %}
                <div class="modal-body">
                    <div class="row">
                        <div class="col-md-6">
                            <div class="form-group mb-3">
                                <label class="form-label">Ward <span class="text-danger">*</span></label>
                                <select class="form-select" name="ward" id="ward-select" required>
                                    <option value="">Select ward...</option>
                                    {% for ward in wards %}
                                    <option value="{{ ward.id }}">{{ ward.name }}</option>
                                    {% endfor %}
                                </select>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="form-group mb-3">
                                <label class="form-label">Bed <span class="text-danger">*</span></label>
                                <select class="form-select" name="bed" id="bed-select" required>
                                    <option value="">Select bed...</option>
                                </select>
                            </div>
                        </div>
                    </div>
                    
                    <div class="row">
                        <div class="col-md-6">
                            <div class="form-group mb-3">
                                <label class="form-label">Maintenance Type <span class="text-danger">*</span></label>
                                <select class="form-select" name="maintenance_type" required>
                                    <option value="">Select type...</option>
                                    <option value="routine">Routine Inspection</option>
                                    <option value="cleaning">Deep Cleaning</option>
                                    <option value="repair">Repair</option>
                                    <option value="replacement">Part Replacement</option>
                                    <option value="calibration">Equipment Calibration</option>
                                    <option value="safety_check">Safety Check</option>
                                    <option value="preventive">Preventive Maintenance</option>
                                </select>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="form-group mb-3">
                                <label class="form-label">Priority <span class="text-danger">*</span></label>
                                <select class="form-select" name="priority" required>
                                    <option value="low">Low</option>
                                    <option value="medium" selected>Medium</option>
                                    <option value="high">High</option>
                                    <option value="critical">Critical</option>
                                </select>
                            </div>
                        </div>
                    </div>
                    
                    <div class="row">
                        <div class="col-md-6">
                            <div class="form-group mb-3">
                                <label class="form-label">Scheduled Date <span class="text-danger">*</span></label>
                                <input type="date" class="form-control" name="scheduled_date" required>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="form-group mb-3">
                                <label class="form-label">Scheduled Time <span class="text-danger">*</span></label>
                                <input type="time" class="form-control" name="scheduled_time" required>
                            </div>
                        </div>
                    </div>
                    
                    <div class="row">
                        <div class="col-md-6">
                            <div class="form-group mb-3">
                                <label class="form-label">Assign To</label>
                                <select class="form-select" name="assigned_to">
                                    <option value="">Select technician...</option>
                                    {% for technician in maintenance_staff %}
                                    <option value="{{ technician.id }}">{{ technician.get_full_name }}</option>
                                    {% endfor %}
                                </select>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="form-group mb-3">
                                <label class="form-label">Estimated Duration (hours)</label>
                                <input type="number" class="form-control" name="estimated_duration" 
                                       min="0.5" step="0.5" placeholder="2.0">
                            </div>
                        </div>
                    </div>
                    
                    <div class="form-group mb-3">
                        <label class="form-label">Description/Notes</label>
                        <textarea class="form-control" name="description" rows="3" 
                                  placeholder="Describe the maintenance work to be performed..."></textarea>
                    </div>
                    
                    <div class="form-check">
                        <input class="form-check-input" type="checkbox" name="notify_staff" id="notify-staff" checked>
                        <label class="form-check-label" for="notify-staff">
                            Notify assigned staff member
                        </label>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">
                        <i class="fas fa-times me-1"></i>Cancel
                    </button>
                    <button type="submit" class="btn btn-primary">
                        <i class="fas fa-save me-1"></i>Schedule Maintenance
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>

<!-- View Maintenance Modal -->
<div class="modal fade" id="viewMaintenanceModal" tabindex="-1" aria-labelledby="viewMaintenanceModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="viewMaintenanceModalLabel">
                    <i class="fas fa-eye me-2"></i>Maintenance Details
                </h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body" id="maintenance-details">
                <!-- Content loaded via AJAX -->
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">
                    <i class="fas fa-times me-1"></i>Close
                </button>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script src="{% static 'plugins/datatables.net/js/dataTables.min.js' %}"></script>
<script src="{% static 'plugins/datatables.net-bs5/js/dataTables.bootstrap5.min.js' %}"></script>
<script src="{% static 'plugins/datatables.net-responsive/js/dataTables.responsive.min.js' %}"></script>
<script src="{% static 'plugins/datatables.net-responsive-bs5/js/responsive.bootstrap5.min.js' %}"></script>

<script>
$(document).ready(function() {
    // Initialize DataTable
    const table = $('#maintenanceTable').DataTable({
        responsive: true,
        pageLength: 25,
        order: [[4, 'asc']], // Sort by scheduled date
        columnDefs: [
            { orderable: false, targets: [8] } // Actions column
        ]
    });
    
    // Filter functionality
    $('#ward-filter, #status-filter, #priority-filter, #date-filter').on('change', function() {
        applyFilters();
    });
    
    $('#search-input').on('keyup', function() {
        table.search(this.value).draw();
    });
    
    // Ward selection for bed loading
    $('#ward-select').on('change', function() {
        const wardId = $(this).val();
        const bedSelect = $('#bed-select');
        
        bedSelect.empty().append('<option value="">Loading beds...</option>');
        
        if (wardId) {
            $.ajax({
                url: '{% url "inpatients:get_ward_beds" %}',
                data: { ward_id: wardId },
                success: function(data) {
                    bedSelect.empty().append('<option value="">Select bed...</option>');
                    data.beds.forEach(function(bed) {
                        bedSelect.append(`<option value="${bed.id}">${bed.bed_number} - ${bed.bed_type}</option>`);
                    });
                },
                error: function() {
                    bedSelect.empty().append('<option value="">Error loading beds</option>');
                }
            });
        } else {
            bedSelect.empty().append('<option value="">Select bed...</option>');
        }
    });
    
    // Form submission
    $('#scheduleMaintenanceForm').on('submit', function(e) {
        e.preventDefault();
        
        const formData = new FormData(this);
        
        $.ajax({
            url: '{% url "inpatients:schedule_maintenance" %}',
            method: 'POST',
            data: formData,
            processData: false,
            contentType: false,
            success: function(response) {
                if (response.success) {
                    $('#scheduleMaintenanceModal').modal('hide');
                    location.reload(); // Refresh page to show new maintenance
                } else {
                    alert('Error scheduling maintenance: ' + response.message);
                }
            },
            error: function() {
                alert('Error scheduling maintenance. Please try again.');
            }
        });
    });
});

function applyFilters() {
    const ward = $('#ward-filter').val();
    const status = $('#status-filter').val();
    const priority = $('#priority-filter').val();
    const dateRange = $('#date-filter').val();
    
    // Apply filters to DataTable
    const table = $('#maintenanceTable').DataTable();
    
    // Custom filtering logic would go here
    // For now, we'll just trigger a page refresh with query parameters
    const params = new URLSearchParams();
    if (ward) params.append('ward', ward);
    if (status) params.append('status', status);
    if (priority) params.append('priority', priority);
    if (dateRange) params.append('date_range', dateRange);
    
    const url = window.location.pathname + (params.toString() ? '?' + params.toString() : '');
    window.location.href = url;
}

function clearFilters() {
    $('#ward-filter, #status-filter, #priority-filter, #date-filter').val('');
    $('#search-input').val('');
    window.location.href = window.location.pathname;
}

function viewMaintenance(maintenanceId) {
    $.ajax({
        url: '{% url "inpatients:maintenance_detail" pk="0" %}'.replace('0', maintenanceId),
        success: function(data) {
            $('#maintenance-details').html(data);
            $('#viewMaintenanceModal').modal('show');
        },
        error: function() {
            alert('Error loading maintenance details.');
        }
    });
}

function startMaintenance(maintenanceId) {
    if (confirm('Start this maintenance task?')) {
        $.ajax({
            url: '{% url "inpatients:start_maintenance" pk="0" %}'.replace('0', maintenanceId),
            method: 'POST',
            data: {
                'csrfmiddlewaretoken': '{{ csrf_token }}'
            },
            success: function(response) {
                if (response.success) {
                    location.reload();
                } else {
                    alert('Error starting maintenance: ' + response.message);
                }
            },
            error: function() {
                alert('Error starting maintenance.');
            }
        });
    }
}

function updateProgress(maintenanceId) {
    const progress = prompt('Enter progress percentage (0-100):');
    if (progress !== null && progress >= 0 && progress <= 100) {
        $.ajax({
            url: '{% url "inpatients:update_maintenance_progress" pk="0" %}'.replace('0', maintenanceId),
            method: 'POST',
            data: {
                'progress': progress,
                'csrfmiddlewaretoken': '{{ csrf_token }}'
            },
            success: function(response) {
                if (response.success) {
                    location.reload();
                } else {
                    alert('Error updating progress: ' + response.message);
                }
            },
            error: function() {
                alert('Error updating progress.');
            }
        });
    }
}

function editMaintenance(maintenanceId) {
    window.location.href = '{% url "inpatients:edit_maintenance" pk="0" %}'.replace('0', maintenanceId);
}

function exportMaintenanceReport() {
    const params = new URLSearchParams(window.location.search);
    params.append('export', 'excel');
    window.location.href = '{% url "inpatients:maintenance_report" %}?' + params.toString();
}
</script>
{% endblock %}