import TLV_utils
from generic_card import *

class ISO_7816_4_Card(Card):
    APDU_SELECT_FILE = C_APDU("\x00\xa4\x00\x00")
    DRIVER_NAME = "ISO 7816-4"
    
##    def can_handle(cls, card):
##        return True
##    can_handle = classmethod(can_handle)

    def select_file(self, p1, p2, fid):
        result = self.send_apdu(
            C_APDU(self.APDU_SELECT_FILE,
            p1 = p1, p2 = p2,
            data = fid, le = 0) )
        return result
    
    def cmd_selectfile(self, p1, p2, fid):
        """Select a file on the card."""
        
        p1 = binascii.a2b_hex("".join(p1.split()))
        p2 = binascii.a2b_hex("".join(p2.split()))
        fid = binascii.a2b_hex("".join(fid.split()))
        
        result = self.select_file(p1, p2, fid)
        if len(result.data) > 0:
            print utils.hexdump(result.data)
            print TLV_utils.decode(result.data)
    
    def cmd_parsetlv(self):
        "Decode the TLV data in the last response"
        print TLV_utils.decode(self.last_result.data)
    
    ATRS = list(Card.ATRS)
    ATRS.extend( [
            (".*", None),   ## For now we accept any card
        ] )
    
    COMMANDS = dict(Card.COMMANDS)
    COMMANDS.update( {
        "select_file": cmd_selectfile,
        "parse_tlv": cmd_parsetlv,
        } )

    STATUS_WORDS = dict(Card.STATUS_WORDS)
    STATUS_WORDS.update( {
        "62??": "Warning, State of non-volatile memory unchanged",
        "63??": "Warning, State of non-volatile memory changed",
        "64??": "Error, State of non-volatile memory unchanged",
        "65??": "Error, State of non-volatile memory changed",
        "66??": "Reserved for security-related issues",
        "6700": "Wrong length",
        "68??": "Functions in CLA not supported",
        "69??": "Command not allowed",
        "6A??": "Wrong parameter(s) P1-P2",
        "6B00": "Wrong parameter(s) P1-P2",
        "6D00": "Instruction code not supported or invalid",
        "6E00": "Class not supported",
        "6F00": "No precise diagnosis",
        
        "6200": "Warning, State of non-volatile memory unchanged, No information given",
        "6281": "Warning, State of non-volatile memory unchanged, Part of returned data may be corrupted",
        "6282": "Warning, State of non-volatile memory unchanged, End of file/record reached before reading Le bytes",
        "6283": "Warning, State of non-volatile memory unchanged, Selected file invalidated",
        "6284": "Warning, State of non-volatile memory unchanged, FCI not formatted according to ISO-7816-4 5.1.5",
        
        "6300": "Warning, State of non-volatile memory changed, No information given",
        "6381": "Warning, State of non-volatile memory changed, File filled up by the last write",
        "63C?": lambda SW1,SW2: "Warning, State of non-volatile memory changed, Counter provided by '%i'" % (SW2%16),
        
        "6500": "Error, State of non-volatile memory changed, No information given",
        "6581": "Error, State of non-volatile memory changed, Memory failure",
        
        "6800": "Functions in CLA not supported, No information given",
        "6881": "Functions in CLA not supported, Logical channel not supported",
        "6882": "Functions in CLA not supported, Secure messaging not supported",
        
        "6900": "Command not allowed, No information given",
        "6981": "Command not allowed, Command incompatible with file structure",
        "6982": "Command not allowed, Security status not satisfied",
        "6983": "Command not allowed, Authentication method blocked",
        "6984": "Command not allowed, Referenced data invalidated",
        "6985": "Command not allowed, Conditions of use not satisfied",
        "6986": "Command not allowed, Command not allowed (no current EF)",
        "6987": "Command not allowed, Expected SM data objects missing",
        "6988": "Command not allowed, SM data objects incorrect",
        
        "6A00": "Wrong parameter(s) P1-P2, No information given",
        "6A80": "Wrong parameter(s) P1-P2, Incorrect parameters in the data field",
        "6A81": "Wrong parameter(s) P1-P2, Function not supported",
        "6A82": "Wrong parameter(s) P1-P2, File not found",
        "6A83": "Wrong parameter(s) P1-P2, Record not found",
        "6A84": "Wrong parameter(s) P1-P2, Not enough memory space in the file",
        "6A85": "Wrong parameter(s) P1-P2, Lc inconsistent with TLV structure",
        "6A86": "Wrong parameter(s) P1-P2, Incorrect parameters P1-P2",
        "6A87": "Wrong parameter(s) P1-P2, Lc inconsistent with P1-P2",
        "6A88": "Wrong parameter(s) P1-P2, Referenced data not found",
    } )