import socket
import sys
import os

PORT = 8800
CHUNK_SIZE = 1024


def main():
    if len(sys.argv) < 3:
        print('Usage: python3 client.py <IP|DNS> <PATH TO FILE>')
        sys.exit(0)
    serv_addr = sys.argv[1]
    file_path = sys.argv[2]

    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    serv = (serv_addr, PORT)
    sock.connect(serv)

    try:
        file = open(file_path, "rb")
    except:
        print('File can not be opened!')
        sys.exit(-1)
    import time
    file_name = bytes(file.name, encoding='utf-8')
    sock.send(file_name)
    time.sleep(1)
    chunk = file.read(CHUNK_SIZE)
    sent_count = 0
    size = os.path.getsize(file_path)
    last = 0
    while chunk:
        sock.send(chunk)
        sent_count += len(chunk)
        pr = sent_count / size * 100
        if pr == 100 or (pr - last) > 5:
            print(f"File Transfer progres: {pr}%")
            last = pr
        chunk = file.read(CHUNK_SIZE)

    sock.close()


if __name__ == "__main__":
    main()