import os
import sys

class FileStatItem:
    def __init__(self,size):
        self.size = size
        self.count = 1

    def addFile(self,size):
        self.size+=size
        self.count+=1

def countFiles(fileStatistics, filesCounter, directory):
    filesList = os.listdir(directory)
    for file in filesList:
        path = os.path.abspath("{}\{}".format(directory, file))
        if os.path.isfile(path):
            filesCounter+=1
            size = os.path.getsize(path)
            
            splitFileName = list(map(lambda x: x[::-1].lower(), file[::-1].split(".", 1)[::-1]))
            if len(splitFileName) == 2:
                filename, extension = splitFileName
            else:
                filename, extension = file,""
                
            if extension in fileStatistics.keys():
                fileStatistics[extension].addFile(size)
            else:
                fileStatistics[extension] = FileStatItem(size)
        if os.path.isdir(path):
            fileStatistics, filesCounter = countFiles(fileStatistics, filesCounter,path)

    return fileStatistics, filesCounter

def main(argv):
    currentDir = os.path.abspath(os.path.curdir)
    if(os.path.exists(argv[0])):
        os.chdir(argv[0])

    fileStatistics = {}
    filesCounter = 0

    directory = os.path.abspath(os.path.curdir)
    fileStatistics, filesCounter = countFiles(fileStatistics, filesCounter, directory)

    os.chdir(currentDir)
    with open(argv[1], mode='w') as file:
        for key, value in sorted(fileStatistics.items()):
            noOfHash = round(50 * value.count / filesCounter)
            noOfSpaces = 60 - noOfHash
            file.write("{:>5}{:14}B{}{}\n".format(key, value.size, " " * noOfSpaces, "#" * noOfHash))

if __name__ == "__main__":
    main(sys.argv[1:])