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

{% block title %}Delete Widget - Hospital Management{% endblock %}

{% block content %}
<div class="content">
    <div class="container-fluid">
        <!-- Page Header -->
        <div class="row">
            <div class="col-12">
                <div class="page-header">
                    <div class="page-title">
                        <h4>Delete Widget</h4>
                        <h6>Confirm widget deletion from dashboard</h6>
                    </div>
                    <div class="page-btn">
                        <a href="{% url 'analytics:dashboard_widget_detail' widget.pk|default:1 %}" class="btn btn-secondary">
                            <i class="fas fa-arrow-left me-1"></i>Back to Widget
                        </a>
                    </div>
                </div>
            </div>
        </div>

        <div class="row justify-content-center">
            <div class="col-lg-8">
                <!-- Warning Alert -->
                <div class="alert alert-warning alert-dismissible fade show" role="alert">
                    <div class="d-flex align-items-center">
                        <i class="fas fa-exclamation-triangle fa-2x me-3"></i>
                        <div>
                            <h5 class="alert-heading mb-1">Confirm Widget Deletion</h5>
                            <p class="mb-0">This action will permanently remove the widget from your dashboard. This cannot be undone.</p>
                        </div>
                    </div>
                </div>

                <!-- Widget Information -->
                <div class="card">
                    <div class="card-header bg-warning text-dark">
                        <h5 class="card-title mb-0">
                            <i class="fas fa-trash me-2"></i>Widget to be Deleted
                        </h5>
                    </div>
                    <div class="card-body">
                        <div class="row">
                            <div class="col-md-8">
                                <div class="widget-info">
                                    <h4 class="text-warning">{{ widget.title|default:"Revenue Trends" }}</h4>
                                    <p class="text-muted mb-3">{{ widget.description|default:"Monthly revenue analysis with trend indicators and growth metrics" }}</p>
                                    
                                    <div class="row">
                                        <div class="col-sm-6">
                                            <div class="info-item">
                                                <label class="form-label">Widget Type:</label>
                                                <span class="badge bg-primary">{{ widget.widget_type|default:"Chart" }}</span>
                                            </div>
                                        </div>
                                        <div class="col-sm-6">
                                            <div class="info-item">
                                                <label class="form-label">Chart Type:</label>
                                                <span class="text-muted">{{ widget.chart_type|default:"Line Chart" }}</span>
                                            </div>
                                        </div>
                                        <div class="col-sm-6">
                                            <div class="info-item">
                                                <label class="form-label">Data Source:</label>
                                                <span class="text-muted">{{ widget.data_source|default:"Financial Data" }}</span>
                                            </div>
                                        </div>
                                        <div class="col-sm-6">
                                            <div class="info-item">
                                                <label class="form-label">Position:</label>
                                                <span class="text-muted">{{ widget.position|default:"Row 1, Col 1-8" }}</span>
                                            </div>
                                        </div>
                                        <div class="col-sm-6">
                                            <div class="info-item">
                                                <label class="form-label">Created By:</label>
                                                <span class="text-muted">{{ widget.created_by|default:"Dr. Sarah Johnson" }}</span>
                                            </div>
                                        </div>
                                        <div class="col-sm-6">
                                            <div class="info-item">
                                                <label class="form-label">Created Date:</label>
                                                <span class="text-muted">{{ widget.created_at|default:"January 10, 2024" }}</span>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            <div class="col-md-4">
                                <div class="widget-preview-card">
                                    <div class="preview-header">
                                        <h6>{{ widget.title|default:"Revenue Trends" }}</h6>
                                    </div>
                                    <div class="preview-content">
                                        <i class="fas fa-chart-line fa-3x text-primary"></i>
                                        <p class="mt-2 text-muted">{{ widget.widget_type|default:"Chart" }} Widget</p>
                                    </div>
                                    <div class="preview-footer">
                                        <small class="text-muted">
                                            <i class="fas fa-clock me-1"></i>Updates every {{ widget.refresh_interval|default:"5 minutes" }}
                                        </small>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                <!-- Impact Analysis -->
                <div class="card">
                    <div class="card-header">
                        <h5 class="card-title">
                            <i class="fas fa-chart-line me-2"></i>Deletion Impact
                        </h5>
                    </div>
                    <div class="card-body">
                        <div class="row">
                            <div class="col-md-6">
                                <h6 class="text-warning">What will be lost:</h6>
                                <ul class="list-group list-group-flush">
                                    <li class="list-group-item d-flex justify-content-between align-items-center">
                                        <div>
                                            <i class="fas fa-cog text-warning me-2"></i>
                                            Widget configuration
                                        </div>
                                        <span class="badge bg-warning rounded-pill">1</span>
                                    </li>
                                    <li class="list-group-item d-flex justify-content-between align-items-center">
                                        <div>
                                            <i class="fas fa-chart-bar text-warning me-2"></i>
                                            Custom chart settings
                                        </div>
                                        <span class="badge bg-warning rounded-pill">All</span>
                                    </li>
                                    <li class="list-group-item d-flex justify-content-between align-items-center">
                                        <div>
                                            <i class="fas fa-th-large text-warning me-2"></i>
                                            Dashboard position
                                        </div>
                                        <span class="badge bg-warning rounded-pill">1</span>
                                    </li>
                                    <li class="list-group-item d-flex justify-content-between align-items-center">
                                        <div>
                                            <i class="fas fa-history text-warning me-2"></i>
                                            Widget usage history
                                        </div>
                                        <span class="badge bg-warning rounded-pill">All</span>
                                    </li>
                                </ul>
                            </div>
                            <div class="col-md-6">
                                <h6 class="text-info">What will remain:</h6>
                                <ul class="list-group list-group-flush">
                                    <li class="list-group-item d-flex justify-content-between align-items-center">
                                        <div>
                                            <i class="fas fa-database text-success me-2"></i>
                                            Source data
                                        </div>
                                        <span class="badge bg-success rounded-pill">Safe</span>
                                    </li>
                                    <li class="list-group-item d-flex justify-content-between align-items-center">
                                        <div>
                                            <i class="fas fa-tachometer-alt text-success me-2"></i>
                                            Dashboard layout
                                        </div>
                                        <span class="badge bg-success rounded-pill">Safe</span>
                                    </li>
                                    <li class="list-group-item d-flex justify-content-between align-items-center">
                                        <div>
                                            <i class="fas fa-users text-success me-2"></i>
                                            Other widgets
                                        </div>
                                        <span class="badge bg-success rounded-pill">Safe</span>
                                    </li>
                                    <li class="list-group-item d-flex justify-content-between align-items-center">
                                        <div>
                                            <i class="fas fa-key text-success me-2"></i>
                                            Access permissions
                                        </div>
                                        <span class="badge bg-success rounded-pill">Safe</span>
                                    </li>
                                </ul>
                            </div>
                        </div>

                        <div class="alert alert-info mt-3">
                            <i class="fas fa-info-circle me-2"></i>
                            <strong>Note:</strong> The data source and dashboard will remain intact. Only this specific widget configuration will be removed.
                        </div>
                    </div>
                </div>

                <!-- Alternative Actions -->
                <div class="card">
                    <div class="card-header">
                        <h5 class="card-title">
                            <i class="fas fa-lightbulb me-2"></i>Alternative Actions
                        </h5>
                    </div>
                    <div class="card-body">
                        <p class="text-muted mb-3">Consider these alternatives before deleting the widget:</p>
                        
                        <div class="row">
                            <div class="col-md-6">
                                <div class="alternative-action">
                                    <div class="action-icon">
                                        <i class="fas fa-eye-slash text-warning"></i>
                                    </div>
                                    <div class="action-content">
                                        <h6>Hide Widget</h6>
                                        <p class="text-muted">Temporarily hide the widget without deleting it.</p>
                                        <button type="button" class="btn btn-outline-warning btn-sm" onclick="hideWidget()">
                                            <i class="fas fa-eye-slash me-1"></i>Hide Instead
                                        </button>
                                    </div>
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="alternative-action">
                                    <div class="action-icon">
                                        <i class="fas fa-copy text-info"></i>
                                    </div>
                                    <div class="action-content">
                                        <h6>Duplicate Widget</h6>
                                        <p class="text-muted">Create a backup copy before deletion.</p>
                                        <button type="button" class="btn btn-outline-info btn-sm" onclick="duplicateWidget()">
                                            <i class="fas fa-copy me-1"></i>Duplicate First
                                        </button>
                                    </div>
                                </div>
                            </div>
                        </div>
                        
                        <div class="row mt-3">
                            <div class="col-md-6">
                                <div class="alternative-action">
                                    <div class="action-icon">
                                        <i class="fas fa-arrows-alt text-success"></i>
                                    </div>
                                    <div class="action-content">
                                        <h6>Move Widget</h6>
                                        <p class="text-muted">Move to a different position or dashboard.</p>
                                        <button type="button" class="btn btn-outline-success btn-sm" onclick="moveWidget()">
                                            <i class="fas fa-arrows-alt me-1"></i>Move Instead
                                        </button>
                                    </div>
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="alternative-action">
                                    <div class="action-icon">
                                        <i class="fas fa-edit text-primary"></i>
                                    </div>
                                    <div class="action-content">
                                        <h6>Edit Widget</h6>
                                        <p class="text-muted">Modify the widget instead of deleting it.</p>
                                        <a href="{% url 'analytics:dashboard_widget_update' widget.pk|default:1 %}" class="btn btn-outline-primary btn-sm">
                                            <i class="fas fa-edit me-1"></i>Edit Instead
                                        </a>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                <!-- Confirmation Form -->
                <div class="card border-warning">
                    <div class="card-header bg-warning text-dark">
                        <h5 class="card-title mb-0">
                            <i class="fas fa-exclamation-triangle me-2"></i>Confirm Deletion
                        </h5>
                    </div>
                    <div class="card-body">
                        <form method="post" id="deleteForm">
                            {% csrf_token %}
                            
                            <div class="form-group">
                                <div class="form-check">
                                    <input class="form-check-input" type="checkbox" id="confirmUnderstand" name="confirm_understand" required>
                                    <label class="form-check-label" for="confirmUnderstand">
                                        I understand that this widget will be permanently removed from the dashboard.
                                    </label>
                                </div>
                            </div>

                            <div class="form-group">
                                <div class="form-check">
                                    <input class="form-check-input" type="checkbox" id="confirmBackup" name="confirm_backup">
                                    <label class="form-check-label" for="confirmBackup">
                                        I have considered creating a backup or duplicate of this widget.
                                    </label>
                                </div>
                            </div>

                            <div class="form-group">
                                <label for="deletionReason" class="form-label">Reason for Deletion (Optional):</label>
                                <select class="form-select" id="deletionReason" name="deletion_reason">
                                    <option value="">Select a reason</option>
                                    <option value="outdated">Widget is outdated</option>
                                    <option value="duplicate">Duplicate widget</option>
                                    <option value="not_useful">No longer useful</option>
                                    <option value="performance">Performance issues</option>
                                    <option value="reorganizing">Dashboard reorganization</option>
                                    <option value="other">Other reason</option>
                                </select>
                            </div>

                            <div class="form-group" id="otherReasonGroup" style="display: none;">
                                <label for="otherReason" class="form-label">Please specify:</label>
                                <textarea class="form-control" id="otherReason" name="other_reason" rows="2" 
                                          placeholder="Please provide more details..."></textarea>
                            </div>

                            <div class="d-flex justify-content-between align-items-center mt-4">
                                <div class="deletion-actions">
                                    <a href="{% url 'analytics:dashboard_widget_detail' widget.pk|default:1 %}" class="btn btn-secondary me-2">
                                        <i class="fas fa-times me-1"></i>Cancel
                                    </a>
                                    <a href="{% url 'analytics:dashboard_widget_list' dashboard.pk|default:1 %}" class="btn btn-outline-secondary">
                                        <i class="fas fa-list me-1"></i>Back to Widgets
                                    </a>
                                </div>
                                <button type="submit" class="btn btn-warning" id="deleteButton" disabled>
                                    <i class="fas fa-trash me-1"></i>Delete Widget
                                </button>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const confirmUnderstand = document.getElementById('confirmUnderstand');
    const deleteButton = document.getElementById('deleteButton');
    const deleteForm = document.getElementById('deleteForm');
    const deletionReason = document.getElementById('deletionReason');
    const otherReasonGroup = document.getElementById('otherReasonGroup');

    // Enable/disable delete button based on confirmation
    confirmUnderstand.addEventListener('change', function() {
        deleteButton.disabled = !this.checked;
    });

    // Show/hide other reason field
    deletionReason.addEventListener('change', function() {
        if (this.value === 'other') {
            otherReasonGroup.style.display = 'block';
        } else {
            otherReasonGroup.style.display = 'none';
        }
    });

    // Form submission with confirmation
    deleteForm.addEventListener('submit', function(e) {
        e.preventDefault();
        
        const finalConfirm = confirm(
            'Are you sure you want to delete this widget?\n\n' +
            'This action cannot be undone.\n\n' +
            'Click OK to proceed or Cancel to abort.'
        );
        
        if (finalConfirm) {
            // Show loading state
            deleteButton.innerHTML = '<i class="fas fa-spinner fa-spin me-1"></i>Deleting...';
            deleteButton.disabled = true;
            
            // Simulate deletion process
            setTimeout(() => {
                alert('Widget deleted successfully!');
                window.location.href = "{% url 'analytics:dashboard_widget_list' dashboard.pk|default:1 %}";
            }, 1500);
        }
    });
});

function hideWidget() {
    if (confirm('Hide this widget instead of deleting it?')) {
        alert('Widget hidden successfully! You can show it again from widget settings.');
        window.location.href = "{% url 'analytics:dashboard_widget_list' dashboard.pk|default:1 %}";
    }
}

function duplicateWidget() {
    if (confirm('Create a copy of this widget before deletion?')) {
        alert('Widget duplicated successfully! You can now safely delete the original.');
    }
}

function moveWidget() {
    alert('Opening widget positioning tool...');
}
</script>

<style>
.info-item {
    margin-bottom: 15px;
}

.info-item label {
    font-weight: 600;
    margin-bottom: 5px;
    display: block;
    color: #2c3e50;
}

.widget-preview-card {
    border: 1px solid #e9ecef;
    border-radius: 8px;
    background: white;
    overflow: hidden;
    height: 100%;
}

.preview-header {
    background: #f8f9fa;
    padding: 15px;
    border-bottom: 1px solid #e9ecef;
}

.preview-header h6 {
    margin: 0;
    font-weight: 600;
    color: #2c3e50;
}

.preview-content {
    padding: 30px 20px;
    text-align: center;
    color: #6c757d;
}

.preview-footer {
    background: #f8f9fa;
    padding: 10px 15px;
    border-top: 1px solid #e9ecef;
    text-align: center;
}

.alternative-action {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    background: #f8f9fa;
    margin-bottom: 15px;
    height: 100%;
}

.action-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.action-content {
    flex: 1;
}

.action-content h6 {
    margin: 0 0 8px 0;
    font-weight: 600;
    color: #2c3e50;
}

.action-content p {
    margin-bottom: 12px;
    font-size: 0.875rem;
}

.deletion-actions {
    display: flex;
    align-items: center;
}

#deleteButton:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

@media (max-width: 768px) {
    .widget-preview-card {
        margin-top: 20px;
    }
    
    .alternative-action {
        flex-direction: column;
        text-align: center;
    }
    
    .action-icon {
        margin-right: 0;
        margin-bottom: 15px;
        align-self: center;
    }
    
    .deletion-actions {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    
    .deletion-actions .btn {
        width: 100%;
    }
    
    #deleteButton {
        width: 100%;
        margin-top: 15px;
    }
}
</style>
{% endblock %}