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import numpy as np
import matplotlib.pyplot as plt
import networkx as nx

# Define the neural network structure
def define_layers():
    return {
        # Divine and narrative framework in the film
        'World': [
            'Cosmos',  # Guido’s grand, universal sense of play and creativity
            'Earth',  # The tangible and oppressive reality of the Holocaust
            'Life',  # The stakes of survival and human connection
            'Il Sacrificio',  # Guido’s ultimate sacrifice
            'Mia Storia',  # Giosuè’s personal narrative, shaped by his father
            'Dono Per Me'  # The "gift" of innocence and joy given by Guido
        ],
        # Perception and filtering of reality
        'Perception': ['Che Mio'],  # How Giosuè interprets his father’s actions and words
        # Agency and Guido’s defining traits
        'Agency': ['Cheerfulness', 'Optimism'],  # Guido’s tools for shaping the narrative
        # Generativity and legacy
        'Generativity': [
            'Anarchy',  # Guido’s rebellion against oppressive reality
            'Oligarchy',  # The systemic constraints he navigates
            'Padre Fece'  # The actions and sacrifices Guido made for his son
        ],
        # Physical realities and their interplay
        'Physicality': [
            'Dynamic',  # Guido’s improvisational actions, like creating the “game”
            'Partisan',  # The direct oppression he faces
            'Common Wealth',  # Shared humanity and joy despite hardship
            'Non-Partisan',  # Universal themes transcending sides
            'Static'  # The immovable, tragic finality of the Holocaust
        ]
    }

# Assign colors to nodes
def assign_colors(node, layer):
    if node == 'Che Mio':
        return 'yellow'  # Perception as the interpretive bridge
    if layer == 'World' and node == 'Dono Per Me':
        return 'paleturquoise'  # Optimism and the "gift"
    if layer == 'World' and node == 'Mia Storia':
        return 'lightgreen'  # Harmony and legacy
    if layer == 'World' and node in ['Cosmos', 'Earth']:
        return 'lightgray'  # Context of divine and tangible
    elif layer == 'Agency' and node == 'Optimism':
        return 'paleturquoise'  # Guido’s defining hope
    elif layer == 'Generativity':
        if node == 'Padre Fece':
            return 'paleturquoise'  # Guido’s ultimate acts of selflessness
        elif node == 'Oligarchy':
            return 'lightgreen'  # Navigating systemic structures
        elif node == 'Anarchy':
            return 'lightsalmon'  # Rebellion and creativity
    elif layer == 'Physicality':
        if node == 'Static':
            return 'paleturquoise'  # The unchanging, tragic realities
        elif node in ['Non-Partisan', 'Common Wealth', 'Partisan']:
            return 'lightgreen'  # Shared humanity and resilience
        elif node == 'Dynamic':
            return 'lightsalmon'  # Guido’s improvisation and vitality
    return 'lightsalmon'  # Default color for tension or conflict

# Calculate positions for nodes
def calculate_positions(layer, center_x, offset):
    layer_size = len(layer)
    start_y = -(layer_size - 1) / 2  # Center the layer vertically
    return [(center_x + offset, start_y + i) for i in range(layer_size)]

# Create and visualize the neural network graph
def visualize_nn():
    layers = define_layers()
    G = nx.DiGraph()
    pos = {}
    node_colors = []
    center_x = 0  # Align nodes horizontally

    # Add nodes and assign positions
    for i, (layer_name, nodes) in enumerate(layers.items()):
        y_positions = calculate_positions(nodes, center_x, offset=-len(layers) + i + 1)
        for node, position in zip(nodes, y_positions):
            G.add_node(node, layer=layer_name)
            pos[node] = position
            node_colors.append(assign_colors(node, layer_name))

    # Add edges (without weights)
    for layer_pair in [
        ('World', 'Perception'),  # Giosuè interprets the "World" through "Che Mio"
        ('Perception', 'Agency'),  # Guido’s cheerfulness shapes Giosuè’s perception
        ('Agency', 'Generativity'),  # Guido’s optimism drives his generative actions
        ('Generativity', 'Physicality')  # His legacy plays out in the physical world
    ]:
        source_layer, target_layer = layer_pair
        for source in layers[source_layer]:
            for target in layers[target_layer]:
                G.add_edge(source, target)

    # Draw the graph
    plt.figure(figsize=(14, 10))
    nx.draw(
        G, pos, with_labels=True, node_color=node_colors, edge_color='gray',
        node_size=3000, font_size=10, connectionstyle="arc3,rad=0.1"
    )
    plt.title("Questa è la mia storia: Vita è Bella", fontsize=15)
    plt.show()

# Run the visualization
visualize_nn()

Fig. 20 In the 2006 movie Apocalypto, a solar eclipse occurs while Jaguar Paw is on the altar. The Maya interpret the eclipse as a sign that the gods are content and will spare the remaining captives. Source: Search Labs | AI Overview