import socket
import os
host = socket.gethostname()
ip = socket.gethostbyname(host)
print(ip)
port = 20
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((ip, port))
s.listen(5)
conn, addr = s.accept()
with conn:

    ID = "anonymous"
    Pass = "YOUREMAIL@jagmail.southalabama.edu"
    print('connected to ', addr)
    while True:

        data = conn.recv(2048)
        message = data.decode()
        path = ""

        if message.split()[0] == "anon" and message.split()[1] == "INSERT_PASSWORD_HERE":
            reply = "accepted"
            conn.sendall(reply.encode())
        if message.split()[0] == 'quit':
            reply = 'Session is ending'
            conn.sendall(reply.encode())
            conn.close()
            break
        elif message.split()[0] == 'dir':
            path = os.getcwd()
            conn.sendall(path.encode())
        elif message.split()[0] == 'ls':
            path = os.getcwd()
            newpath = os.listdir(path)
            newpath = str(newpath)
            conn.sendall(newpath.encode())
        elif message.split()[0] == 'get':
            f = open(message.split()[1], 'rb')
            reply = f.read()
            conn.sendall(reply)
            print("File sent")
            f.close()
        elif message.split()[0] == 'put':
            reply = "ack"
            fileName = message.split()[1]
            conn.sendall(reply.encode())
            data = conn.recv(32768)
            print('recieved file ' +fileName)
            message = data
            f = open(fileName, 'wb')
            f.write(message)
            f.close()
        elif message.split()[0] == 'cd':
            newpath = message.split()[1]
            if os.path.exists(newpath):
                os.chdir(newpath)
                conn.sendall(newpath.encode())