import pandas as pd
import os
import numpy as np


cutoff = int(os.environ['CUTOFF'])

data = pd.read_csv('./ium_z444510/barcelona_weekends.csv')
data = data.sample(cutoff)
data = data.iloc[:, 1:]

train_set, dev_set, test_set = np.split(data.sample(frac=1, random_state=42),
                                        [int(.6 * len(data)), int(.8 * len(data))])

train_set.to_csv('train.csv', index=False)
dev_set.to_csv('dev.csv', index=False)
test_set.to_csv('test.csv', index=False)