#!/bin/bash
kaggle datasets download -d nasa/meteorite-landings

unzip -o meteorite-landings.zip

###Zmienne###

train_ratio=0.8
test_val_ratio=0.5

##Przetwrazanie pliku##

shuf meteorite-landings.csv -o shuffled-meteorite-landings.csv

##Cut off $1 rows##
head -n $1 shuffled-meteorite-landings.csv > shuffled-meteorite-landings.csv

total_lines=$(wc -l < shuffled-meteorite-landings.csv)
train_lines=$(echo $total_lines*$train_ratio| bc)
train_lines=$(echo "($train_lines+0.5)/1" | bc )

test_lines=$(echo "($total_lines-$train_lines)*$test_val_ratio" | bc)
test_lines=$(echo "($test_lines+0.5)/1" | bc )

validation_lines=$(echo $total_lines-$train_lines-$test_lines | bc)

head -n "$train_lines" shuffled-meteorite-landings.csv > "meteorite_train.csv"
tail -n $((test_lines+validation_lines)) shuffled-meteorite-landings.csv | head -n "$test_lines" > "meteorite_test.csv"
tail -n "$validation_lines" shuffled-meteorite-landings.csv > "meteorite_validation.csv"

mkdir -p artifacts
mv meteorite-landings.csv shuffled-meteorite-landings.csv meteorite_test.csv meteorite_train.csv meteorite_validation.csv artifacts/