import os

PATH = "../study-area-cn"
SRC = "src/learn_computer_basic"
DIST = "src"
pwd = os.getcwd()


def set_a_commit(commit_id: str, commit_usr: str, commit_email: str, commit_info: str, date: str):
    os.system("cp -r "+PATH+" "+".run")
    os.system("cd .run;git reset --hard "+commit_id)
    os.system("cd .run;git clean -f .")
    os.system("cp -r .run"+os.sep+SRC+os.sep+"* "+"output"+os.sep+DIST+os.sep)
    os.system(f"cd output;git config user.name \"{commit_usr}\"")
    os.system(f"cd output;git config user.email \"{commit_email}\"")
    os.system(f"cd output;git add .")
    os.system(f"cd output;git commit -m \"{commit_info}\" --date=\"{date}\"")
    os.system(f"rm -rf .run")


os.mkdir("output")
os.mkdir("output"+os.sep+DIST)

os.system("cd "+PATH+";git log --pretty=\"%H|%an|%ae|%at|%s\" > " +
          pwd+os.sep+"log.txt")

os.system("cd output;git init")

with open("log.txt", "r") as file:
    lns = file.readlines()
lns.reverse()
n = 0
for i in lns:
    n += 1
    print("==> "+str(n)+"/"+str(len(lns)))
    arg = i.rstrip(" \n\r").lstrip(" \n\r").split("|")
    set_a_commit(arg[0], arg[1], arg[2], arg[4], arg[3])