# -*- 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 eive_tmtc.config.definitions import CustomServiceList
from eive_tmtc.config.object_ids import get_object_ids, PLOC_MPSOC_ID
from tmtccmd.config.tmtc import (
    tmtc_definitions_provider,
    OpCodeEntry,
    TmtcDefinitionWrapper,
)
from tmtccmd.logging import get_console_logger
from spacepackets.ecss.tc import PusTelecommand
from tmtccmd.tc import service_provider
from tmtccmd.tc.decorator import ServiceProviderParams
from eive_tmtc.utility.input_helper import InputHelper
from tmtccmd.tc.pus_200_fsfw_modes import pack_mode_data, Modes

LOGGER = get_console_logger()

MANUAL_INPUT = "1"

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

mpsoc_file_dict = {
    MANUAL_INPUT: ["manual input", ""],
    "2": ["0:/flash", "0:/flash"],
}

sequence_file_dict = {
    MANUAL_INPUT: ["manual input", ""],
    "2": ["0:/EM16/231", "0:/EM16/231"],
    "3": ["0:/EQ04/E-75", "0:/EQ04/E-75"],
}

CARRIAGE_RETURN = 0xD


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
    OBSW_RESET_SEQ_COUNT = 50
    TC_MODE_REPLAY = 16
    TC_CAM_CMD_SEND = 17
    TC_MODE_IDLE = 18
    SET_UART_TX_TRISTATE = 20
    RELEASE_UART_TX = 21


class OpCodes:
    ON = ["on"]
    OFF = ["off"]
    NORMAL = ["normal"]
    VERIFY_BOOT = ["verify_boot"]


class Info:
    ON = "On"
    OFF = "Off"
    NORMAL = "Normal"
    VERIFY_BOOT = "Verify boot by reading 0xdeadbeef from DEADBEEF address"

class MemAddresses(enum.IntEnum):
    DEADBEEF = 0x40000004


class PlocReplyIds(enum.IntEnum):
    TM_MEM_READ_RPT = 6
    TM_CAM_CMD_RPT = 19


@tmtc_definitions_provider
def add_ploc_mpsoc_cmds(defs: TmtcDefinitionWrapper):
    oce = OpCodeEntry()
    oce.add(OpCodes.OFF, Info.OFF)
    oce.add(OpCodes.ON, Info.ON)
    oce.add(OpCodes.NORMAL, Info.NORMAL)
    oce.add("3", "Ploc MPSoC: Memory write")
    oce.add("4", "Ploc MPSoC: Memory read")
    oce.add("5", "Ploc MPSoC: Flash write")
    oce.add("6", "Ploc MPSoC: Flash delete")
    oce.add("7", "Ploc MPSoC: Replay start")
    oce.add("8", "Ploc MPSoC: Replay stop")
    oce.add("9", "Ploc MPSoC: Downlink pwr on")
    oce.add("10", "Ploc MPSoC: Downlink pwr off")
    oce.add("11", "Ploc MPSoC: Replay write sequence")
    oce.add("12", "Ploc MPSoC: OBSW reset sequence count")
    oce.add(OpCodes.VERIFY_BOOT, "Ploc MPSoC: Read DEADBEEF address")
    oce.add("14", "Ploc MPSoC: Mode replay")
    oce.add("15", "Ploc MPSoC: Mode idle")
    oce.add("16", "Ploc MPSoC: Tc cam command send")
    oce.add("17", "Ploc MPSoC: Set UART TX tristate")
    oce.add("18", "Ploc MPSoC: Relesase UART TX")
    defs.add_service(CustomServiceList.PLOC_MPSOC.value, "Ploc MPSoC", oce)


@service_provider(CustomServiceList.PLOC_MPSOC)
def pack_ploc_mpsoc_commands(p: ServiceProviderParams):
    object_id = get_object_ids().get(PLOC_MPSOC_ID)
    q = p.queue_helper
    prefix = "PLOC SUPV:"
    op_code = p.op_code
    q.add_log_cmd(
        f"Generate command for PLOC MPSoC with object id: {object_id.as_hex_string}"
    )
    obyt = object_id.as_bytes
    if op_code in OpCodes.OFF:
        q.add_log_cmd(f"{prefix} {Info.OFF}")
        command = pack_mode_data(obyt, Modes.OFF, 0)
        q.add_pus_tc(PusTelecommand(service=200, subservice=1, app_data=command))
    if op_code in OpCodes.ON:
        q.add_log_cmd(f"{prefix} {Info.ON}")
        data = pack_mode_data(obyt, Modes.ON, 0)
        q.add_pus_tc(PusTelecommand(service=200, subservice=1, app_data=data))
    if op_code in OpCodes.NORMAL:
        q.add_log_cmd(f"{prefix} {Info.NORMAL}")
        data = pack_mode_data(object_id.as_bytes, Modes.NORMAL, 0)
        q.add_pus_tc(PusTelecommand(service=200, subservice=1, app_data=data))
    if op_code == "3":
        q.add_log_cmd("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
        data = generate_write_mem_command(
            object_id.as_bytes, memory_address, memory_data, mem_len
        )
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "4":
        q.add_log_cmd("PLOC MPSoC: TC mem read test")
        data = prepare_mem_read_command(object_id=object_id.as_bytes)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "5":
        q.add_log_cmd("PLOC MPSoC: Flash write")
        data = prepare_flash_write_cmd(object_id.as_bytes)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "6":
        q.add_log_cmd("PLOC MPSoC: Flash delete")
        data = prepare_flash_delete_cmd(object_id.as_bytes)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "7":
        q.add_log_cmd("PLOC MPSoC: Replay start")
        data = prepare_replay_start_cmd(object_id.as_bytes)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "8":
        q.add_log_cmd("PLOC MPSoC: Replay stop")
        data = object_id.as_bytes + struct.pack("!I", CommandIds.TC_REPLAY_STOP)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "9":
        q.add_log_cmd("PLOC MPSoC: Downlink pwr on")
        data = prepare_downlink_pwr_on_cmd(object_id.as_bytes)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "10":
        q.add_log_cmd("PLOC MPSoC: Downlink pwr off")
        data = object_id.as_bytes + struct.pack("!I", CommandIds.TC_DOWNLINK_PWR_OFF)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "11":
        q.add_log_cmd("PLOC MPSoC: Replay write sequence")
        data = prepare_replay_write_sequence_cmd(object_id.as_bytes)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "12":
        q.add_log_cmd("PLOC MPSoC: Reset OBSW sequence count")
        data = object_id.as_bytes + struct.pack("!I", CommandIds.OBSW_RESET_SEQ_COUNT)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code in OpCodes.VERIFY_BOOT:
        num_words = 1
        q.add_log_cmd(f"{prefix} {Info.VERIFY_BOOT}")
        data = (
            object_id.as_bytes
            + struct.pack("!I", CommandIds.TC_MEM_READ)
            + struct.pack("!I", MemAddresses.DEADBEEF)
            + struct.pack("!H", num_words)
        )
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "14":
        q.add_log_cmd("PLOC MPSoC: Tc mode replay")
        data = object_id.as_bytes + struct.pack("!I", CommandIds.TC_MODE_REPLAY)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "15":
        q.add_log_cmd("PLOC MPSoC: Tc mode idle")
        data = object_id.as_bytes + struct.pack("!I", CommandIds.TC_MODE_IDLE)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "16":
        q.add_log_cmd("PLOC MPSoC: Tc cam command send")
        cam_cmd = input("Specify cam command string: ")
        data = (
            object_id.as_bytes
            + struct.pack("!I", CommandIds.TC_CAM_CMD_SEND)
            + bytearray(cam_cmd, "utf-8")
        )
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "17":
        q.add_log_cmd("PLOC MPSoC: Set UART TX tristate")
        data = object_id.as_bytes + struct.pack("!I", CommandIds.SET_UART_TX_TRISTATE)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))
    if op_code == "18":
        q.add_log_cmd("PLOC MPSoC: Release UART TX")
        data = object_id.as_bytes + struct.pack("!I", CommandIds.RELEASE_UART_TX)
        q.add_pus_tc(PusTelecommand(service=8, subservice=128, app_data=data))


def generate_write_mem_command(
    object_id: bytes, 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.
    :param mem_len:
    """
    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 bytearray(command)


def prepare_mem_read_command(object_id: bytes) -> 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 bytearray(command)


def prepare_flash_write_cmd(object_id: bytes) -> bytearray:
    obcFile = get_obc_file()
    mpsocFile = get_mpsoc_file()
    command = (
        object_id
        + struct.pack("!I", CommandIds.FLASH_WRITE)
        + bytearray(obcFile, "utf-8")
        + bytearray(mpsocFile, "utf-8")
    )
    return bytearray(command)


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


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


def prepare_downlink_pwr_on_cmd(object_id: bytes) -> 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 bytearray(command)


def prepare_replay_write_sequence_cmd(object_id: bytes) -> bytearray:
    null_terminator = 0
    use_decoding = int(input("Use decoding  (set to 1): "))
    file = get_sequence_file()
    command = (
        object_id
        + struct.pack("!I", CommandIds.TC_REPLAY_WRITE_SEQUENCE)
        + struct.pack("!B", use_decoding)
        + bytearray(file, "utf-8")
    )
    return bytearray(command)


def get_obc_file() -> str:
    LOGGER.info("Specify OBC 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


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