# import ezdxf

# # Load the DXF file
# doc = ezdxf.readfile("out.dxf")

# # Iterate through all entities in the modelspace
# for entity in doc.modelspace():
#     entity_type = entity.dxftype()  # Get the entity type
#     print(f"Entity Type: {entity_type}")
    
#     # Handle different entity types
#     if entity_type == "LINE":
#         print(f"Start: {entity.dxf.start}, End: {entity.dxf.end}")
#     elif entity_type == "CIRCLE":
#         print(f"Center: {entity.dxf.center}, Radius: {entity.dxf.radius}")
#     elif entity_type == "ARC":
#         print(f"Center: {entity.dxf.center}, Radius: {entity.dxf.radius}, Start Angle: {entity.dxf.start_angle}, End Angle: {entity.dxf.end_angle}")
#     elif entity_type == "SPLINE":
#         if entity.control_points:
#             print(f"Control Points: {entity.control_points}")
#         elif entity.fit_points:
#             print(f"Fit Points: {entity.fit_points}")
#         elif entity.knots:
#             print(f"Knots: {entity.knots}")
#         else:
#             print("No control, fit, or knot points found for this SPLINE.")
#     else:
#         print(f"No specific handler for entity type: {entity_type}")

import numpy as np
import ezdxf

# Load the DXF file
doc = ezdxf.readfile("out.dxf")

def calculate_distance(p1, p2):
    """Calculate the distance between two points."""
    return np.linalg.norm(np.array(p1) - np.array(p2))

def process_fit_points(fit_points):
    """Process fit points to calculate distances and bounding box."""
    distances = []
    for i in range(len(fit_points) - 1):
        distances.append(calculate_distance(fit_points[i], fit_points[i + 1]))
    
    # Calculate perimeter
    perimeter = sum(distances)
    
    # Calculate bounding box
    fit_points_np = np.array(fit_points)
    min_x, min_y = np.min(fit_points_np[:, :2], axis=0)
    max_x, max_y = np.max(fit_points_np[:, :2], axis=0)
    
    return {
        "distances": distances,
        "perimeter": perimeter,
        "bounding_box": (min_x, min_y, max_x, max_y)
    }

# Iterate through all entities in the modelspace
for entity in doc.modelspace():
    if entity.dxftype() == "SPLINE" and entity.fit_points:
        print(f"Entity Type: SPLINE")
        fit_points = entity.fit_points
        results = process_fit_points(fit_points)
        print(f"Perimeter: {results['perimeter']}")
        print(f"Bounding Box: {results['bounding_box']}")
        print(f"Distances: {results['distances'][:]}... (showing first 5)")