import getopt
import sys
import uuid
import hashlib
import csv
def getIds(totals,encrypt):
    seed=set()
    for i in range(totals):
        uid=uuid.uuid1()
        if encrypt:
            encrypt_id=hashlib.sha256((str(uid)+"saltValue").encode("utf-8")).hexdigest()
            seed.add(encrypt_id)
        else:

            seed.add(str(uid).replace('-',''))
    return seed
def gen_Datasets():
    guest,host,intersect,encrypt_mode=getDataNum()
    ids=list(getIds(intersect+host+guest,encrypt=encrypt_mode))
    dataset_intersect=ids[:intersect]
    dataset_host=ids[intersect:host]
    dataset_host.extend(dataset_intersect)
    dataset_guest=ids[intersect:guest]
    dataset_guest.extend(dataset_intersect)
    print(len(dataset_intersect),len(dataset_host),len(dataset_guest))

    write_csvtb("./intersect.csv",dataset_intersect)
    write_csvtb("./host_a.csv", dataset_intersect)
    write_csvtb("./guest_b.csv", dataset_intersect)
    print("finish all write ")
    # with open("./intersect.txt","w")as i:
    #     for line in dataset_intersect:
    #        print(line)
    #        i.writelines(line)
    # print("finish intersect========")
    # with open("./host_a.txt","w") as h:
    #     for line in dataset_host:
    #        print(line)
    #        h.write(line)
    # print("finsh host===============")
    # with open("./guest_b.txt","w") as g:
    #     for line in dataset_guest:
    #         # print(line)
    #         g.write(line)
    # print("finish guest=======")
def getDataNum():
    def usage():
        print("examples:-m: --help \n-e or --encrypt=: sha256\n-i or --intersect=: intersect datasets number\n-g or --guest : guest number\n -h or --host : host dataset number ")
    opts, args = getopt.getopt(sys.argv[1:], '-m-i:g:h:e:', ['help', 'host=', 'guest=','intersect=','encrypt='])
    guest,host,intersect=None,None,None
    encrypt = False
    for opt_name, opt_value in opts:

        if opt_name in ('-m', '--help'):
            usage()
            sys.exit()
        if opt_name in ('-g', '--guest'):
           guest = int(opt_value)
        if opt_name in ('-h', '--host'):
            host = int(opt_value)
        if opt_name in ('-i','--intersect'):
            intersect=int(opt_value)
        if opt_name in('-e','--encrypt'):
            if int(opt_value)==1:
                encrypt=True
            elif int(opt_value)==0:
                encrypt=False
            else:
                raise ValueError("encrypt must between 0 and 1")
    return guest,host,intersect,encrypt


def write_csvtb(path,dt):
    with open(path,"w",newline='')as f:
        writer=csv.writer(f)
        for i in dt:
            writer.writerow([i])

if __name__ == '__main__':
    gen_Datasets()