#!/bin/bash

pip install kaggle --upgrade

kaggle datasets download -d gulczas/spotify-dataset

unzip -o spotify-dataset.zip

echo "------------------ Shufle ------------------"
shuf Spotify_Dataset.csv -o shuffled_spotify.csv

echo "------------------ Cut off to top $1 rows ------------------"
head -n $1 shuffled_spotify.csv > cutoff_spotify.csv

echo "------------------ Split ------------------"
total_lines=$(wc -l < cutoff_spotify.csv)
num_test=$((total_lines / 10))
num_train=$((total_lines - (num_test * 2)))
num_validation=$num_test

head -n $num_train cutoff_spotify.csv > train.csv
tail -n $((num_test+num_validation)) cutoff_spotify.csv | head -n $num_test > test.csv
tail -n $num_validation cutoff_spotify.csv > validation.csv

mkdir -p artifacts
mv Spotify_Dataset.csv cutoff_spotify.csv train.csv validation.csv test.csv artifacts/