import struct
from typing import Tuple
from config.object_ids import ObjIdIds
from pus_tc.ploc import PlocActionIds


def user_analyze_service_8_data(
        object_id: int, action_id: int, custom_data: bytearray) -> Tuple[list, list]:
    """
    This function is called by the TMTC core if a Service 8 data reply (subservice 130)
    is received. The user can return a tuple of two lists, where the first list
    is a list of header strings to print and the second list is a list of values to print.
    The TMTC core will take care of printing both lists and logging them.

    @param object_id:
    @param action_id:
    @param custom_data:
    @return:
    """
    if object_id == ObjIdIds.PDU2_HANDLER_ID.value:
        header_list = ['PDU2 Service 8 Reply']

        data_string = str()
        for index in range(len(custom_data)):
            data_string += str(hex(custom_data[index])) + " , "
        data_string = data_string.rstrip()
        data_string = data_string.rstrip(',')
        data_string = data_string.rstrip()
        content_list = [data_string]
    elif object_id == ObjIdIds.PLOC_ID:
        return handle_ploc_replies(custom_data)
    else:
        header_list = []
        content_list = []
    return header_list, content_list


def handle_ploc_replies(custom_data: bytearray) -> Tuple[list, list]:
    header_list = []
    content_list = []
    action_id = struct.unpack('!I', custom_data[0:4])
    if action_id == PlocActionIds.tc_mem_read:
        header_list = ['PLOC Read Memory Data']
        memory_data = struct.unpack('!I', custom_data[4:8])
        content_list = [memory_data]
    return header_list, content_list