"""
FTP Server Configuration
"""

# Server settings
FTP_HOST = '127.0.0.1'
FTP_PORT = 2121  # Use non-privileged port (21 requires admin rights)
DATA_PORT_RANGE = (20000, 20100)

# Server directories
SERVER_ROOT = './ftp_root'
TEST_FILES_DIR = './test_files'

# User credentials (in production, this should be in a database)
USERS = {
    'admin': 'admin123',
    'user': 'password',
    'test': 'test123',
    'guest': 'guest'
}

# FTP Response codes
FTP_RESPONSES = {
    '150': '150 File status okay; about to open data connection.',
    '200': '200 Command okay.',
    '220': '220 Service ready for new user.',
    '221': '221 Service closing control connection.',
    '226': '226 Closing data connection.',
    '227': '227 Entering Passive Mode',
    '230': '230 User logged in, proceed.',
    '250': '250 Requested file action okay, completed.',
    '331': '331 User name okay, need password.',
    '425': '425 Can\'t open data connection.',
    '426': '426 Connection closed; transfer aborted.',
    '450': '450 Requested file action not taken.',
    '500': '500 Syntax error, command unrecognized.',
    '501': '501 Syntax error in parameters or arguments.',
    '502': '502 Command not implemented.',
    '503': '503 Bad sequence of commands.',
    '530': '530 Not logged in.',
    '550': '550 Requested action not taken.',
    '553': '553 Requested action not taken.'
}

# Supported commands
SUPPORTED_COMMANDS = [
    'USER', 'PASS', 'QUIT', 'PWD', 'CWD', 'LIST', 'NLST', 
    'RETR', 'PASV', 'PORT', 'TYPE', 'SYST', 'NOOP'
]