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

{% block title %}Emergency Contacts - Patient Management{% endblock %}

{% block css %}
<link href="{% static 'assets/plugins/datatables.net-bs5/css/dataTables.bootstrap5.min.css' %}" rel="stylesheet" />
<link href="{% static 'assets/plugins/datatables.net-responsive-bs5/css/responsive.bootstrap5.min.css' %}" rel="stylesheet" />
<link href="{% static 'assets/plugins/select2/dist/css/select2.min.css' %}" rel="stylesheet" />
{% endblock %}

{% block content %}
<!-- BEGIN breadcrumb -->
<ol class="breadcrumb float-xl-end">
    <li class="breadcrumb-item"><a href="{% url 'core:dashboard' %}">Dashboard</a></li>
    <li class="breadcrumb-item"><a href="{% url 'patients:patient_list' %}">Patients</a></li>
    <li class="breadcrumb-item active">Emergency Contacts</li>
</ol>
<!-- END breadcrumb -->

<!-- BEGIN page-header -->
<h1 class="page-header">
    Emergency Contacts
    <small>Patient Emergency Contact Management</small>
</h1>
<!-- END page-header -->

<!-- BEGIN panel -->
<div class="panel panel-inverse">
    <div class="panel-heading">
        <h4 class="panel-title">Emergency Contacts Management</h4>
        <div class="panel-heading-btn">
            <a href="{% url 'patients:emergency_contact_create' %}" class="btn btn-xs btn-success me-2">
                <i class="fa fa-plus"></i> Add Contact
            </a>
            <a href="javascript:;" class="btn btn-xs btn-icon btn-default" data-toggle="panel-expand"><i class="fa fa-expand"></i></a>
            <a href="javascript:;" class="btn btn-xs btn-icon btn-default" data-toggle="panel-reload"><i class="fa fa-redo"></i></a>
            <a href="javascript:;" class="btn btn-xs btn-icon btn-default" data-toggle="panel-collapse"><i class="fa fa-minus"></i></a>
        </div>
    </div>
    <div class="panel-body">
        <!-- Filters and Search -->
        <div class="row mb-3">
            <div class="col-md-4">
                <label class="form-label">Search Contacts</label>
                <div class="input-group">
                    <input type="text" class="form-control" id="search-input" placeholder="Name, phone, or patient...">
                    <button class="btn btn-outline-secondary" type="button" id="search-btn">
                        <i class="fa fa-search"></i>
                    </button>
                </div>
            </div>
            <div class="col-md-3">
                <label class="form-label">Relationship</label>
                <select class="form-select" id="relationship-filter">
                    <option value="">All Relationships</option>
                    <option value="SPOUSE">Spouse</option>
                    <option value="PARENT">Parent</option>
                    <option value="CHILD">Child</option>
                    <option value="SIBLING">Sibling</option>
                    <option value="FRIEND">Friend</option>
                    <option value="OTHER_FAMILY">Other Family</option>
                    <option value="GUARDIAN">Guardian</option>
                    <option value="OTHER">Other</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="PRIMARY">Primary</option>
                    <option value="SECONDARY">Secondary</option>
                    <option value="TERTIARY">Tertiary</option>
                </select>
            </div>
            <div class="col-md-2">
                <label class="form-label">Patient</label>
                <select class="form-select select2" id="patient-filter">
                    <option value="">All Patients</option>
                    <!-- Options will be loaded dynamically -->
                </select>
            </div>
        </div>

        <!-- Quick Stats -->
        <div class="row mb-4">
            <div class="col-lg-3 col-md-6 mb-3">
                <div class="card border-0 bg-primary text-white">
                    <div class="card-body">
                        <div class="d-flex align-items-center">
                            <div class="flex-fill">
                                <div class="fs-10px text-white-transparent-5 mb-1">TOTAL CONTACTS</div>
                                <div class="fs-18px fw-900 text-white" id="total-contacts">-</div>
                            </div>
                            <div class="w-50px h-50px bg-white-transparent-2 rounded-circle d-flex align-items-center justify-content-center">
                                <i class="fa fa-users fa-lg text-white"></i>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class="col-lg-3 col-md-6 mb-3">
                <div class="card border-0 bg-success text-white">
                    <div class="card-body">
                        <div class="d-flex align-items-center">
                            <div class="flex-fill">
                                <div class="fs-10px text-white-transparent-5 mb-1">PRIMARY CONTACTS</div>
                                <div class="fs-18px fw-900 text-white" id="primary-contacts">-</div>
                            </div>
                            <div class="w-50px h-50px bg-white-transparent-2 rounded-circle d-flex align-items-center justify-content-center">
                                <i class="fa fa-star fa-lg text-white"></i>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class="col-lg-3 col-md-6 mb-3">
                <div class="card border-0 bg-warning text-white">
                    <div class="card-body">
                        <div class="d-flex align-items-center">
                            <div class="flex-fill">
                                <div class="fs-10px text-white-transparent-5 mb-1">MISSING PHONE</div>
                                <div class="fs-18px fw-900 text-white" id="missing-phone">-</div>
                            </div>
                            <div class="w-50px h-50px bg-white-transparent-2 rounded-circle d-flex align-items-center justify-content-center">
                                <i class="fa fa-phone-slash fa-lg text-white"></i>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class="col-lg-3 col-md-6 mb-3">
                <div class="card border-0 bg-info text-white">
                    <div class="card-body">
                        <div class="d-flex align-items-center">
                            <div class="flex-fill">
                                <div class="fs-10px text-white-transparent-5 mb-1">PATIENTS COVERED</div>
                                <div class="fs-18px fw-900 text-white" id="patients-covered">-</div>
                            </div>
                            <div class="w-50px h-50px bg-white-transparent-2 rounded-circle d-flex align-items-center justify-content-center">
                                <i class="fa fa-user-shield fa-lg text-white"></i>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Action Buttons -->
        <div class="d-flex justify-content-between align-items-center mb-3">
            <div class="btn-group">
                <button type="button" class="btn btn-outline-secondary" id="bulk-actions-btn" disabled>
                    <i class="fa fa-tasks me-2"></i>Bulk Actions
                </button>
                <button type="button" class="btn btn-outline-secondary dropdown-toggle dropdown-toggle-split" 
                        data-bs-toggle="dropdown" id="bulk-dropdown" disabled>
                    <span class="visually-hidden">Toggle Dropdown</span>
                </button>
                <ul class="dropdown-menu">
                    <li><a class="dropdown-item" href="#" onclick="bulkUpdatePriority()">
                        <i class="fa fa-star me-2"></i>Update Priority
                    </a></li>
                    <li><a class="dropdown-item" href="#" onclick="bulkSendNotification()">
                        <i class="fa fa-bell me-2"></i>Send Notification
                    </a></li>
                    <li><hr class="dropdown-divider"></li>
                    <li><a class="dropdown-item" href="#" onclick="bulkExport()">
                        <i class="fa fa-download me-2"></i>Export Selected
                    </a></li>
                    <li><a class="dropdown-item text-danger" href="#" onclick="bulkDelete()">
                        <i class="fa fa-trash me-2"></i>Delete Selected
                    </a></li>
                </ul>
            </div>
            
            <div class="btn-group">
                <button type="button" class="btn btn-outline-secondary" onclick="refreshTable()">
                    <i class="fa fa-refresh me-2"></i>Refresh
                </button>
                <button type="button" class="btn btn-outline-secondary" onclick="showContactValidation()">
                    <i class="fa fa-check-circle me-2"></i>Validate Contacts
                </button>
                <button type="button" class="btn btn-outline-secondary dropdown-toggle" data-bs-toggle="dropdown">
                    <i class="fa fa-download me-2"></i>Export
                </button>
                <ul class="dropdown-menu">
                    <li><a class="dropdown-item" href="#" onclick="exportData('csv')">
                        <i class="fa fa-file-csv me-2"></i>Export as CSV
                    </a></li>
                    <li><a class="dropdown-item" href="#" onclick="exportData('excel')">
                        <i class="fa fa-file-excel me-2"></i>Export as Excel
                    </a></li>
                    <li><a class="dropdown-item" href="#" onclick="exportData('pdf')">
                        <i class="fa fa-file-pdf me-2"></i>Export as PDF
                    </a></li>
                </ul>
            </div>
        </div>

        <!-- Emergency Contacts Table -->
        <div class="table-responsive">
            <table id="contacts-table" class="table table-striped table-bordered align-middle">
                <thead>
                    <tr>
                        <th width="30">
                            <div class="form-check">
                                <input class="form-check-input" type="checkbox" id="select-all">
                            </div>
                        </th>
                        <th>Contact Name</th>
                        <th>Patient</th>
                        <th>Relationship</th>
                        <th>Priority</th>
                        <th>Phone Number</th>
                        <th>Email</th>
                        <th>Can Contact</th>
                        <th width="120">Actions</th>
                    </tr>
                </thead>
                <tbody>
                    <!-- Data will be loaded via AJAX -->
                </tbody>
            </table>
        </div>
    </div>
</div>
<!-- END panel -->

<!-- Contact Validation Modal -->
<div class="modal fade" id="contactValidationModal" tabindex="-1">
    <div class="modal-dialog modal-xl">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Contact Validation Report</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <div class="row mb-3">
                    <div class="col-md-4">
                        <select class="form-select" id="validation-filter">
                            <option value="">All Issues</option>
                            <option value="missing_phone">Missing Phone</option>
                            <option value="invalid_phone">Invalid Phone</option>
                            <option value="missing_email">Missing Email</option>
                            <option value="invalid_email">Invalid Email</option>
                            <option value="no_primary">No Primary Contact</option>
                        </select>
                    </div>
                    <div class="col-md-4">
                        <button class="btn btn-primary" onclick="runValidation()">
                            <i class="fa fa-check me-2"></i>Run Validation
                        </button>
                    </div>
                    <div class="col-md-4">
                        <button class="btn btn-success" onclick="fixIssues()">
                            <i class="fa fa-wrench me-2"></i>Auto-Fix Issues
                        </button>
                    </div>
                </div>
                <div id="validation-results">
                    <!-- Content will be loaded dynamically -->
                </div>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
                <button type="button" class="btn btn-primary" onclick="exportValidationReport()">Export Report</button>
            </div>
        </div>
    </div>
</div>

<!-- Quick Contact Modal -->
<div class="modal fade" id="quickContactModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Quick Contact</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body" id="quick-contact-content">
                <!-- Content will be loaded dynamically -->
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
                <button type="button" class="btn btn-primary" onclick="callContact()">
                    <i class="fa fa-phone me-2"></i>Call Now
                </button>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block js %}
<script src="{% static 'assets/plugins/datatables.net/js/jquery.dataTables.min.js' %}"></script>
<script src="{% static 'assets/plugins/datatables.net-bs5/js/dataTables.bootstrap5.min.js' %}"></script>
<script src="{% static 'assets/plugins/datatables.net-responsive/js/dataTables.responsive.min.js' %}"></script>
<script src="{% static 'assets/plugins/datatables.net-responsive-bs5/js/responsive.bootstrap5.min.js' %}"></script>
<script src="{% static 'assets/plugins/select2/dist/js/select2.min.js' %}"></script>
<script>
$(document).ready(function() {
    var table;
    
    // Initialize DataTable
    table = $('#contacts-table').DataTable({
        processing: true,
        serverSide: true,
        ajax: {
            url: '{% url "patients:emergency_contact_list_api" %}',
            data: function(d) {
                d.search_value = $('#search-input').val();
                d.relationship = $('#relationship-filter').val();
                d.priority = $('#priority-filter').val();
                d.patient = $('#patient-filter').val();
            }
        },
        columns: [
            {
                data: 'id',
                orderable: false,
                render: function(data, type, row) {
                    return '<div class="form-check"><input class="form-check-input contact-checkbox" type="checkbox" value="' + data + '"></div>';
                }
            },
            {
                data: 'full_name',
                render: function(data, type, row) {
                    return '<div>' +
                           '<div class="fw-bold">' + data + '</div>' +
                           (row.address ? '<div class="text-muted small">' + row.address + '</div>' : '') +
                           '</div>';
                }
            },
            {
                data: 'patient_name',
                render: function(data, type, row) {
                    return '<a href="' + row.patient_url + '" class="text-decoration-none">' +
                           '<div class="fw-bold">' + data + '</div>' +
                           '<div class="text-muted small">MRN: ' + row.patient_mrn + '</div>' +
                           '</a>';
                }
            },
            {
                data: 'relationship',
                render: function(data, type, row) {
                    var colors = {
                        'SPOUSE': 'primary',
                        'PARENT': 'success',
                        'CHILD': 'info',
                        'SIBLING': 'warning',
                        'GUARDIAN': 'danger',
                        'OTHER': 'secondary'
                    };
                    return '<span class="badge bg-' + (colors[data] || 'secondary') + '">' + row.relationship_display + '</span>';
                }
            },
            {
                data: 'priority',
                render: function(data, type, row) {
                    var colors = {
                        'PRIMARY': 'success',
                        'SECONDARY': 'warning',
                        'TERTIARY': 'info'
                    };
                    var icons = {
                        'PRIMARY': 'star',
                        'SECONDARY': 'star-half-alt',
                        'TERTIARY': 'star-o'
                    };
                    return '<span class="badge bg-' + (colors[data] || 'secondary') + '">' +
                           '<i class="fa fa-' + (icons[data] || 'star') + ' me-1"></i>' +
                           row.priority_display + '</span>';
                }
            },
            {
                data: 'phone_number',
                render: function(data, type, row) {
                    if (data) {
                        return '<div>' +
                               '<a href="tel:' + data + '" class="text-decoration-none">' + data + '</a>' +
                               (row.mobile_number ? '<br><small class="text-muted">Mobile: ' + row.mobile_number + '</small>' : '') +
                               '</div>';
                    } else {
                        return '<span class="text-muted">No phone</span>';
                    }
                }
            },
            {
                data: 'email',
                render: function(data, type, row) {
                    if (data) {
                        return '<a href="mailto:' + data + '" class="text-decoration-none">' + data + '</a>';
                    } else {
                        return '<span class="text-muted">No email</span>';
                    }
                }
            },
            {
                data: 'can_contact',
                render: function(data, type, row) {
                    return '<div class="text-center">' +
                           '<i class="fa fa-' + (data ? 'check text-success' : 'times text-danger') + '"></i>' +
                           '</div>';
                }
            },
            {
                data: 'id',
                orderable: false,
                render: function(data, type, row) {
                    return '<div class="btn-group btn-group-sm">' +
                           '<button class="btn btn-outline-primary" onclick="viewContact(' + data + ')" title="View">' +
                           '<i class="fa fa-eye"></i></button>' +
                           '<button class="btn btn-outline-secondary" onclick="editContact(' + data + ')" title="Edit">' +
                           '<i class="fa fa-edit"></i></button>' +
                           '<button class="btn btn-outline-success" onclick="quickContact(' + data + ')" title="Quick Contact">' +
                           '<i class="fa fa-phone"></i></button>' +
                           '</div>';
                }
            }
        ],
        order: [[2, 'asc'], [3, 'asc']],
        pageLength: 25,
        responsive: true,
        language: {
            processing: '<div class="d-flex justify-content-center"><div class="spinner-border" role="status"></div></div>'
        }
    });
    
    // Initialize Select2
    $('.select2').select2({
        theme: 'bootstrap-5',
        width: '100%'
    });
    
    // Load filter options and stats
    loadFilterOptions();
    loadStats();
    
    // Filter event handlers
    $('#search-input, #relationship-filter, #priority-filter, #patient-filter').on('change keyup', function() {
        table.draw();
    });
    
    // Select all checkbox
    $('#select-all').on('change', function() {
        $('.contact-checkbox').prop('checked', this.checked);
        updateBulkActions();
    });
    
    // Individual checkbox change
    $(document).on('change', '.contact-checkbox', function() {
        updateBulkActions();
    });
    
    // Auto-refresh every 5 minutes
    setInterval(function() {
        table.ajax.reload(null, false);
        loadStats();
    }, 300000);
});

function loadFilterOptions() {
    // Load patient options
    $.ajax({
        url: '{% url "patients:patient_list_api" %}',
        data: { 'format': 'select' },
        success: function(data) {
            var select = $('#patient-filter');
            data.forEach(function(patient) {
                select.append('<option value="' + patient.id + '">' + patient.name + ' (MRN: ' + patient.mrn + ')</option>');
            });
        }
    });
}

function loadStats() {
    $.ajax({
        url: '{% url "patients:emergency_contact_stats" %}',
        success: function(data) {
            $('#total-contacts').text(data.total_contacts);
            $('#primary-contacts').text(data.primary_contacts);
            $('#missing-phone').text(data.missing_phone);
            $('#patients-covered').text(data.patients_covered);
        }
    });
}

function updateBulkActions() {
    var checkedCount = $('.contact-checkbox:checked').length;
    $('#bulk-actions-btn, #bulk-dropdown').prop('disabled', checkedCount === 0);
}

function viewContact(contactId) {
    window.location.href = '{% url "patients:emergency_contact_detail" 0 %}'.replace('0', contactId);
}

function editContact(contactId) {
    window.location.href = '{% url "patients:emergency_contact_update" 0 %}'.replace('0', contactId);
}

function quickContact(contactId) {
    $.ajax({
        url: '{% url "patients:emergency_contact_quick" 0 %}'.replace('0', contactId),
        success: function(data) {
            $('#quick-contact-content').html(data.html);
            $('#quickContactModal').modal('show');
        },
        error: function() {
            toastr.error('Failed to load contact information');
        }
    });
}

function bulkUpdatePriority() {
    var selectedIds = $('.contact-checkbox:checked').map(function() {
        return this.value;
    }).get();
    
    if (selectedIds.length === 0) {
        toastr.warning('Please select contacts to update');
        return;
    }
    
    // Implementation for bulk priority update
    toastr.info('Bulk priority update functionality will be implemented');
}

function bulkSendNotification() {
    var selectedIds = $('.contact-checkbox:checked').map(function() {
        return this.value;
    }).get();
    
    if (selectedIds.length === 0) {
        toastr.warning('Please select contacts to notify');
        return;
    }
    
    // Implementation for bulk notification
    toastr.info('Bulk notification functionality will be implemented');
}

function bulkExport() {
    var selectedIds = $('.contact-checkbox:checked').map(function() {
        return this.value;
    }).get();
    
    if (selectedIds.length === 0) {
        toastr.warning('Please select contacts to export');
        return;
    }
    
    window.location.href = '{% url "patients:emergency_contact_export" %}?ids=' + selectedIds.join(',');
}

function bulkDelete() {
    var selectedIds = $('.contact-checkbox:checked').map(function() {
        return this.value;
    }).get();
    
    if (selectedIds.length === 0) {
        toastr.warning('Please select contacts to delete');
        return;
    }
    
    if (confirm('Are you sure you want to delete ' + selectedIds.length + ' contact(s)?')) {
        $.ajax({
            url: '{% url "patients:emergency_contact_bulk_delete" %}',
            method: 'POST',
            data: {
                'contact_ids': selectedIds,
                'csrfmiddlewaretoken': '{{ csrf_token }}'
            },
            success: function(response) {
                if (response.success) {
                    toastr.success(response.message);
                    $('#contacts-table').DataTable().ajax.reload();
                    $('#select-all').prop('checked', false);
                    updateBulkActions();
                } else {
                    toastr.error('Failed to delete contacts');
                }
            },
            error: function() {
                toastr.error('An error occurred during bulk deletion');
            }
        });
    }
}

function exportData(format) {
    window.location.href = '{% url "patients:emergency_contact_export" %}?format=' + format;
}

function refreshTable() {
    $('#contacts-table').DataTable().ajax.reload();
    loadStats();
    toastr.info('Table refreshed');
}

function showContactValidation() {
    $('#contactValidationModal').modal('show');
    runValidation();
}

function runValidation() {
    $.ajax({
        url: '{% url "patients:emergency_contact_validation" %}',
        success: function(data) {
            $('#validation-results').html(data.html);
        },
        error: function() {
            toastr.error('Failed to run contact validation');
        }
    });
}

function fixIssues() {
    // Implementation for auto-fixing contact issues
    toastr.info('Auto-fix functionality will be implemented');
}

function exportValidationReport() {
    window.open('{% url "patients:emergency_contact_validation_report" %}', '_blank');
}

function callContact() {
    // Implementation for calling contact
    toastr.info('Call functionality will be implemented');
}
</script>
{% endblock %}