# -*- coding: utf-8 -*-
"""
@file   ploc_mpsoc.py
@brief  Tests for commanding the MPSoC of the PLOC.
        The MPSoC is programmed by the ILH.
@author J. Meier
@date   06.03.2021
"""
import struct
import enum

from tmtccmd.config.definitions import QueueCommands
from tmtccmd.utility.logger import get_console_logger
from tmtccmd.tc.packer import TcQueueT
from spacepackets.ecss.tc import PusTelecommand
from utility.input_helper import InputHelper

LOGGER = get_console_logger()

MANUAL_INPUT = "3"

flash_write_file_dict = {
    "1": ["/mnt/sd0/ploc/mpsoc/flash_write.bin", "/mnt/sd0/ploc/mpsoc/flash_write.bin"],
    "2": ["/mnt/sd0/ploc/mpsoc/flash_write.bin", "/mnt/sd0/ploc/mpsoc/flash_write.bin"],
    MANUAL_INPUT: ["manual input", ""],
}

mpsoc_file_dict = {
    MANUAL_INPUT: ["manual input", ""],
}


class CommandIds(enum.IntEnum):
    TC_MEM_WRITE = 1
    TC_MEM_READ = 2
    FLASH_WRITE = 9
    TC_FLASH_DELETE = 10
    TC_REPLAY_START = 11
    TC_REPLAY_STOP = 12
    TC_REPLAY_WRITE_SEQUENCE = 13
    TC_DOWNLINK_PWR_ON = 14
    TC_DOWNLINK_PWR_OFF = 15


class PlocReplyIds:
    tm_mem_read_report = 6


def pack_ploc_mpsoc_commands(
        object_id: bytearray, tc_queue: TcQueueT, op_code: str
) -> TcQueueT:
    tc_queue.appendleft(
        (
            QueueCommands.PRINT,
            "Generate command for PLOC MPSoC with object id: 0x" + object_id.hex(),
        )
    )

    if op_code == "0":
        tc_queue.appendleft((QueueCommands.PRINT, "PLOC MPSoC: TC mem write test"))
        memory_address = int(input("PLOC MPSoC: Tc Mem Write: Type memory address: 0x"), 16)
        memory_data = int(input("PLOC MPSoC: Tc Mem Write: Type memory data: 0x"), 16)
        # TODO: implement variable length mem write command
        mem_len = 1  # 1 32-bit word
        command = generate_write_mem_command(
            object_id, memory_address, memory_data, mem_len
        )
        command = PusTelecommand(service=8, subservice=128, ssc=20, app_data=command)
        tc_queue.appendleft(command.pack_command_tuple())
    elif op_code == "1":
        tc_queue.appendleft((QueueCommands.PRINT, "PLOC MPSoC: TC mem read test"))
        command = prepare_mem_read_command(object_id)
        command = PusTelecommand(service=8, subservice=128, ssc=21, app_data=command)
        tc_queue.appendleft(command.pack_command_tuple())
    elif op_code == "2":
        tc_queue.appendleft((QueueCommands.PRINT, "PLOC MPSoC: Flash write"))
        command = prepare_flash_write_cmd(object_id)
        command = PusTelecommand(service=8, subservice=128, ssc=22, app_data=command)
        tc_queue.appendleft(command.pack_command_tuple())
    elif op_code == "3":
        tc_queue.appendleft((QueueCommands.PRINT, "PLOC MPSoC: Flash delete"))
        command = prepare_flash_delete_cmd(object_id)
        command = PusTelecommand(service=8, subservice=128, ssc=23, app_data=command)
        tc_queue.appendleft(command.pack_command_tuple())
    elif op_code == "4":
        tc_queue.appendleft((QueueCommands.PRINT, "PLOC MPSoC: Replay start"))
        command = prepare_replay_start_cmd(object_id)
        command = PusTelecommand(service=8, subservice=128, ssc=24, app_data=command)
        tc_queue.appendleft(command.pack_command_tuple())
    elif op_code == "5":
        tc_queue.appendleft((QueueCommands.PRINT, "PLOC MPSoC: Replay stop"))
        command = object_id + struct.pack('!I', CommandIds.TC_REPLAY_STOP)
        command = PusTelecommand(service=8, subservice=128, ssc=25, app_data=command)
        tc_queue.appendleft(command.pack_command_tuple())
    elif op_code == "6":
        tc_queue.appendleft((QueueCommands.PRINT, "PLOC MPSoC: Downlink pwr on"))
        command = prepare_downlink_pwr_on_cmd(object_id)
        command = PusTelecommand(service=8, subservice=128, ssc=26, app_data=command)
        tc_queue.appendleft(command.pack_command_tuple())
    elif op_code == "7":
        tc_queue.appendleft((QueueCommands.PRINT, "PLOC MPSoC: Downlink pwr off"))
        command = object_id + struct.pack('!I', CommandIds.TC_DOWNLINK_PWR_OFF)
        command = PusTelecommand(service=8, subservice=128, ssc=26, app_data=command)
        tc_queue.appendleft(command.pack_command_tuple())
    elif op_code == "8":
        tc_queue.appendleft((QueueCommands.PRINT, "PLOC MPSoC: Replay write sequence"))
        command = prepare_replay_write_sequence_cmd(object_id)
        command = PusTelecommand(service=8, subservice=128, ssc=27, app_data=command)
        tc_queue.appendleft(command.pack_command_tuple())

    return tc_queue


def generate_write_mem_command(
        object_id: bytearray, memory_address: int, memory_data: int, mem_len: int
) -> bytearray:
    """This function generates the command to write to a memory address within the PLOC
    @param object_id    The object id of the PlocHandler
    @param memory_address   The PLOC memory address where to write to.
    @param memory_data    The data to write to the memory address specified by the bytearray memory_address.
    """
    command = (
            object_id
            + struct.pack('!I', CommandIds.TC_MEM_WRITE)
            + struct.pack('!I', memory_address)
            + struct.pack('!H', mem_len)
            + struct.pack("!I", memory_data)
    )
    return command


def prepare_mem_read_command(object_id: bytearray) -> bytearray:
    memory_address = int(input("PLOC MPSoC Tc Mem Read: Type memory address: 0x"), 16)
    num_words = int(input("PLOC MPSoC specify number of words (32-bit) to read: "))
    command = (
            object_id + struct.pack('!I', CommandIds.TC_MEM_READ) + struct.pack("!I", memory_address) + struct.pack(
        '!H', num_words)
    )
    return command


def prepare_flash_write_cmd(object_id: bytearray) -> bytearray:
    file = get_flash_write_file()
    command = object_id + struct.pack('!I', CommandIds.FLASH_WRITE) + bytearray(file, 'utf-8')
    return command


def prepare_flash_delete_cmd(object_id: bytearray) -> bytearray:
    file = get_mpsoc_file()
    command = object_id + struct.pack('!I', CommandIds.TC_FLASH_DELETE) + bytearray(file, 'utf-8')
    return command


def prepare_replay_start_cmd(object_id: bytearray) -> bytearray:
    replay = int(input("Specify replay mode (0 - repeated, 1 - once): "))
    command = object_id + struct.pack('!I', CommandIds.TC_REPLAY_START) + struct.pack('!B', replay)
    return command


def prepare_downlink_pwr_on_cmd(object_id: bytearray) -> bytearray:
    mode = int(input("Specify JESD mode (0 - 5): "))
    lane_rate = int(input("Specify lane rate (0 - 9): "))
    command = object_id + struct.pack('!I', CommandIds.TC_DOWNLINK_PWR_ON) + struct.pack('!B', mode) \
              + struct.pack('!B', lane_rate)
    return command


def prepare_replay_write_sequence_cmd(object_id: bytearray) -> bytearray:
    use_decoding = int(input("Use decoding  (set to 1): "))
    file = get_mpsoc_file()
    command = object_id + struct.pack('!I', CommandIds.TC_REPLAY_WRITE_SEQUENCE) + struct.pack('!B', use_decoding) + \
              bytearray(file, 'utf-8')
    return command


def get_flash_write_file() -> str:
    LOGGER.info("Specify flash file")
    input_helper = InputHelper(flash_write_file_dict)
    key = input_helper.get_key()
    if key == MANUAL_INPUT:
        file = input("Ploc MPSoC: Specify absolute name of flash file: ")
    else:
        file = flash_write_file_dict[key][1]
    return file


def get_mpsoc_file() -> str:
    LOGGER.info("Specify mpsoc file")
    input_helper = InputHelper(mpsoc_file_dict)
    key = input_helper.get_key()
    if key == MANUAL_INPUT:
        file = input("Ploc MPSoC: Specify absolute name file: ")
    else:
        file = mpsoc_file_dict[key][1]
    return file