import time
import shutil
import sys
import os
import datetime
from datetime import datetime, timedelta
import json


def get_date():
    now_time = datetime.utcnow()
    utc_time = now_time + timedelta(hours=8)  # UTC只是比北京时间提前了8个小时
    utc_time = utc_time.strftime("%Y%m%d")
    return utc_time

def get_time():
    now_time = datetime.utcnow()
    utc_time = now_time + timedelta(hours=8)  # UTC只是比北京时间提前了8个小时
    utc_time = utc_time.strftime("%Y-%m-%d %H:%M:%S")
    return utc_time

def main():
    if(len(sys.argv)<2):
        print("argv num too less")
        return
    dst=sys.argv[1]
    info=""
    if(len(sys.argv)>=3):
        info=sys.argv[2]
    utc_time=get_time()
    if os.path.exists(dst):
        os.remove(dst)
    with open(dst,"w") as f:
        f.write("#ifndef compiler_info__\n")
        f.write("#define compiler_info__\n\n\n\n\n\n\n")
        f.write("#define BUILD_DATE  \""+utc_time+"\"\n")
        f.write("\n\n\n\n\n\n\n#endif\n")
    if(len(info)>0):
        if not os.path.exists(info):
            print("file:",info,"not exist.")
        with open(info,"r+") as f:
            json_obj=json.loads(f.read())
            json_obj["build_date"]=utc_time
            list_str=["info.json","json.lua","prints.lua"]
            json_obj["private"]=list_str
            f.seek(0, os.SEEK_SET)
            f.write(json.dumps(json_obj, sort_keys=True, indent=2, separators=(',', ': ')))
if __name__=="__main__":
    main()