__author__ = '132294'
import os
import glob
from random import randrange
def generateDataset(file, n):
    file.write(str(n) + '\n')
    for i in range(n):
        file.write(generateFileLine(i, n))

def main():
    folderName = 'instances_132294'
    fileName = "/test_"
    fileFormat = ".txt"
    # define the name of the directory to be created
    path = os.getcwd()
    print('creating folder ' + folderName + ' in directory ' + path);
    try:
        path += '/' + folderName;
        if not (os.path.isdir(folderName)):
            os.mkdir(path)
        else:
            for f in glob.glob(path + '/*'):
                os.remove(f)
    except OSError:
        print ("Setup failed with error")
    else:
        print ("Setup successfully completed")

    for i in range(50, 501, 50):
        file = open(path + fileName + str(i) + fileFormat, "w")
        generateDataset(file, i)
        file.close()

def generateFileLine(i, n):
    p = randrange(100,1000)
    r = p - randrange(p)
    d = p + r + randrange(p/2)
    return str(p) + " " + str(r) + " " + str(d) + "\n"

if __name__ == '__main__':
    main()