''' mbinary
#########################################################################
# File : headInfo.py
# Author: mbinary
# Mail: zhuheqin1@gmail.com
# Blog: https://mbinary.xyz
# Github: https://github.com/mbinary
# Created Time: 2018-07-08  14:48
# Description:
#########################################################################
'''

import os
import sys
import time
from config import HEAD
count = 0


def handleFile(path):
    global count
    head = getHead(path)
    if head == '':
        return
    with open(path, 'r', encoding='utf8', errors='ignore') as f:
        s = f.read()
        if 'mbinary' in s:
            return
    count += 1
    name = os.path.basename(path)
    print('[{count}]: Adding head info to {name}'.format(count=count, name=name))
    with open(path, 'w') as f:
        f.write(head+s)


def getHead(path):
    name = os.path.basename(path)
    # skip self or hidden file
    if name == os.path.basename(__file__) or name[0] == '.':
        return ''
    suf = name[name.rfind('.')+1:]
    begin = end = ''
    if suf == 'py':
        begin = end = "'''"
    elif suf in ['c', 'cc', 'cpp', 'java']:
        begin, end = '/*', '*/'
    elif suf == 'sh':
        begin = end = '#'
    else:
        return ''
    timeStamp = time.localtime(os.stat(path).st_ctime)
    ctime = time.strftime('%Y-%m-%d  %H:%M', timeStamp)
    return HEAD.format(begin=begin, end=end, ctime=ctime, name=name)


def handleDir(dirPath):
    gen = os.walk(dirPath)
    for path, dirs, files in gen:
        for f in files:
            handleFile(os.path.join(path, f))


if __name__ == '__main__':
    works = sys.argv[1:]
    if works == []:
        works = ['.']
    for one in works:
        if not os.path.exists(one):
            print('[PathError]: {one} not exists'.format(one=one))
            continue
        if os.path.isdir(one):
            handleDir(one)
        else:
            handleFile(one)
