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

{% block title %}Delete {{ object.display_name }} - Confirm - {{ block.super }}{% endblock %}

{% block content %}
<div class="container-fluid">
    <!-- Page Header -->
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 mb-1 text-danger">
                <i class="fas fa-exclamation-triangle me-2"></i>Delete Tenant
            </h1>
            <nav aria-label="breadcrumb">
                <ol class="breadcrumb mb-0">
                    <li class="breadcrumb-item"><a href="{% url 'core:dashboard' %}">Dashboard</a></li>
                    <li class="breadcrumb-item"><a href="{% url 'core:tenant_list' %}">Tenants</a></li>
                    <li class="breadcrumb-item"><a href="{% url 'core:tenant_detail' object.pk %}">{{ object.name }}</a></li>
                    <li class="breadcrumb-item active">Delete</li>
                </ol>
            </nav>
        </div>
        <div class="btn-group">
            <a href="{% url 'core:tenant_detail' object.pk %}" class="btn btn-outline-secondary">
                <i class="fas fa-arrow-left me-2"></i>Back to Tenant
            </a>
        </div>
    </div>

    <div class="row justify-content-center">
        <div class="col-lg-8">
            <!-- Warning Alert -->
            <div class="alert alert-danger" role="alert">
                <div class="d-flex align-items-center">
                    <i class="fas fa-exclamation-triangle fa-2x me-3"></i>
                    <div>
                        <h4 class="alert-heading">Permanent Deletion Warning</h4>
                        <p class="mb-0">
                            This action will permanently delete the tenant and <strong>ALL associated data</strong>. 
                            This cannot be undone.
                        </p>
                    </div>
                </div>
            </div>

            <!-- Tenant Information -->
            <div class="card mb-4">
                <div class="card-header bg-light">
                    <h5 class="mb-0">
                        <i class="fas fa-building me-2"></i>Tenant to be Deleted
                    </h5>
                </div>
                <div class="card-body">
                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label text-muted">Organization Name</label>
                                <p class="fw-bold">{{ object.name }}</p>
                            </div>
                            <div class="mb-3">
                                <label class="form-label text-muted">Display Name</label>
                                <p class="fw-bold">{{ object.display_name }}</p>
                            </div>
                            <div class="mb-3">
                                <label class="form-label text-muted">Organization Type</label>
                                <p>
                                    <span class="badge bg-info">{{ object.get_organization_type_display }}</span>
                                </p>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label text-muted">Status</label>
                                <p>
                                    {% if object.is_active %}
                                        <span class="badge bg-success">Active</span>
                                    {% else %}
                                        <span class="badge bg-danger">Inactive</span>
                                    {% endif %}
                                </p>
                            </div>
                            <div class="mb-3">
                                <label class="form-label text-muted">Tenant ID</label>
                                <p><code>{{ object.tenant_id }}</code></p>
                            </div>
                            <div class="mb-3">
                                <label class="form-label text-muted">Created</label>
                                <p>{{ object.created_at|date:"F d, Y \a\t H:i" }}</p>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Impact Assessment -->
            <div class="card mb-4">
                <div class="card-header bg-warning text-dark">
                    <h5 class="mb-0">
                        <i class="fas fa-chart-bar me-2"></i>Deletion Impact Assessment
                    </h5>
                </div>
                <div class="card-body">
                    <div class="row text-center">
                        <div class="col-md-3 mb-3">
                            <div class="border rounded p-3">
                                <h4 class="text-primary mb-1">{{ impact.total_users|default:0 }}</h4>
                                <small class="text-muted">Users</small>
                            </div>
                        </div>
                        <div class="col-md-3 mb-3">
                            <div class="border rounded p-3">
                                <h4 class="text-success mb-1">{{ impact.total_patients|default:0 }}</h4>
                                <small class="text-muted">Patients</small>
                            </div>
                        </div>
                        <div class="col-md-3 mb-3">
                            <div class="border rounded p-3">
                                <h4 class="text-info mb-1">{{ impact.total_appointments|default:0 }}</h4>
                                <small class="text-muted">Appointments</small>
                            </div>
                        </div>
                        <div class="col-md-3 mb-3">
                            <div class="border rounded p-3">
                                <h4 class="text-warning mb-1">{{ impact.total_records|default:0 }}</h4>
                                <small class="text-muted">Medical Records</small>
                            </div>
                        </div>
                    </div>
                    
                    <div class="alert alert-warning mt-3">
                        <h6 class="alert-heading">Data to be Permanently Deleted:</h6>
                        <ul class="mb-0">
                            <li><strong>User accounts</strong> and authentication data</li>
                            <li><strong>Patient records</strong> and medical history</li>
                            <li><strong>Appointments</strong> and scheduling data</li>
                            <li><strong>Billing information</strong> and financial records</li>
                            <li><strong>Medical records</strong> and clinical data</li>
                            <li><strong>System configurations</strong> and customizations</li>
                            <li><strong>Audit logs</strong> and activity history</li>
                            <li><strong>File uploads</strong> and attachments</li>
                        </ul>
                    </div>
                </div>
            </div>

            <!-- Prerequisites Check -->
            <div class="card mb-4">
                <div class="card-header">
                    <h5 class="mb-0">
                        <i class="fas fa-clipboard-check me-2"></i>Prerequisites Check
                    </h5>
                </div>
                <div class="card-body">
                    <div class="checklist">
                        <div class="form-check mb-2">
                            <input class="form-check-input" type="checkbox" id="check1" required>
                            <label class="form-check-label" for="check1">
                                I have backed up all important data from this tenant
                            </label>
                        </div>
                        <div class="form-check mb-2">
                            <input class="form-check-input" type="checkbox" id="check2" required>
                            <label class="form-check-label" for="check2">
                                I have notified all users about the upcoming deletion
                            </label>
                        </div>
                        <div class="form-check mb-2">
                            <input class="form-check-input" type="checkbox" id="check3" required>
                            <label class="form-check-label" for="check3">
                                I understand this action cannot be undone
                            </label>
                        </div>
                        <div class="form-check mb-3">
                            <input class="form-check-input" type="checkbox" id="check4" required>
                            <label class="form-check-label" for="check4">
                                I have proper authorization to delete this tenant
                            </label>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Confirmation Form -->
            <div class="card">
                <div class="card-header bg-danger text-white">
                    <h5 class="mb-0">
                        <i class="fas fa-trash me-2"></i>Final Confirmation
                    </h5>
                </div>
                <div class="card-body">
                    <form method="post" id="deleteForm">
                        {% csrf_token %}
                        
                        <div class="mb-3">
                            <label for="confirmationText" class="form-label">
                                Type <code>{{ object.name }}</code> to confirm deletion:
                            </label>
                            <input type="text" class="form-control" id="confirmationText" 
                                   placeholder="Enter tenant name to confirm" required>
                            <div class="invalid-feedback">
                                Please type the exact tenant name to confirm deletion.
                            </div>
                        </div>
                        
                        <div class="mb-3">
                            <label for="deleteReason" class="form-label">
                                Reason for Deletion <span class="text-danger">*</span>
                            </label>
                            <textarea class="form-control" id="deleteReason" name="delete_reason" 
                                      rows="3" placeholder="Please provide a reason for deleting this tenant..." required></textarea>
                            <div class="form-text">This will be logged for audit purposes.</div>
                        </div>
                        
                        <div class="d-flex justify-content-between align-items-center">
                            <a href="{% url 'core:tenant_detail' object.pk %}" class="btn btn-outline-secondary">
                                <i class="fas fa-arrow-left me-2"></i>Cancel
                            </a>
                            <button type="submit" class="btn btn-danger" id="deleteButton" disabled>
                                <i class="fas fa-trash me-2"></i>Permanently Delete Tenant
                            </button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const form = document.getElementById('deleteForm');
    const deleteButton = document.getElementById('deleteButton');
    const confirmationText = document.getElementById('confirmationText');
    const checkboxes = document.querySelectorAll('.checklist input[type="checkbox"]');
    const deleteReason = document.getElementById('deleteReason');
    
    const expectedText = '{{ object.name }}';
    
    function validateForm() {
        const allChecked = Array.from(checkboxes).every(cb => cb.checked);
        const textMatches = confirmationText.value === expectedText;
        const reasonProvided = deleteReason.value.trim().length > 0;
        
        deleteButton.disabled = !(allChecked && textMatches && reasonProvided);
        
        // Update confirmation text validation
        if (confirmationText.value && !textMatches) {
            confirmationText.classList.add('is-invalid');
        } else {
            confirmationText.classList.remove('is-invalid');
        }
    }
    
    // Add event listeners
    checkboxes.forEach(checkbox => {
        checkbox.addEventListener('change', validateForm);
    });
    
    confirmationText.addEventListener('input', validateForm);
    deleteReason.addEventListener('input', validateForm);
    
    // Form submission with final confirmation
    form.addEventListener('submit', function(e) {
        e.preventDefault();
        
        if (confirm('Are you absolutely sure you want to delete this tenant? This action cannot be undone!')) {
            // Show loading state
            deleteButton.innerHTML = '<i class="fas fa-spinner fa-spin me-2"></i>Deleting...';
            deleteButton.disabled = true;
            
            // Submit the form
            form.submit();
        }
    });
    
    // Initial validation
    validateForm();
});

// Prevent accidental navigation
window.addEventListener('beforeunload', function(e) {
    const confirmationText = document.getElementById('confirmationText');
    if (confirmationText.value) {
        e.preventDefault();
        e.returnValue = '';
    }
});
</script>

<style>
.checklist .form-check {
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: background-color 0.2s;
}

.checklist .form-check:hover {
    background-color: #f8f9fa;
}

.checklist .form-check-input:checked + .form-check-label {
    color: #198754;
    font-weight: 500;
}

.alert-heading {
    margin-bottom: 0.5rem;
}

.border {
    border: 1px solid #dee2e6 !important;
}

.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #dc3545;
}

code {
    color: #d63384;
    background-color: #f8f9fa;
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
}
</style>
{% endblock %}