import json
import random

# sample preprocess_handler (to be implemented by customer)
# This is a trivial example, where we demonstrate an echo preprocessor for json data
# for others though, we are generating random data (real customers would not do that obviously/hopefully)
def preprocess_handler(inference_record):
    event_data = inference_record.event_data
    input_data = {}
    output_data = {}

    input_data['sex'] = random.randint(1, 3)
    input_data['shucked_wt'] = random.uniform(0, 1.6)
    input_data['height'] = random.uniform(0, 1.6)
    input_data['diameter'] = random.uniform(0.05, 0.8)
    input_data['length'] = random.uniform(0.07, 2.1)
    input_data['whole_wt'] = random.uniform(0, 3.9)
    input_data['shell_wt'] = random.uniform(0.0005, 2.005)
    input_data['viscera_wt'] = random.uniform(0.05, 0.75)

    output_data['age'] = random.uniform(1, 30)
    
    return {**input_data, **output_data}