# -*- coding: utf-8 -*-
"""Command sequence to test the HeaterHandler
@author J. Meier
@date   30.01.2021
"""
import enum

from config.definitions import CustomServiceList
from tmtccmd.config.definitions import QueueCommands, ServiceOpCodeDictT
from tmtccmd.tc.service_8_functional_cmd import generate_action_command
from tmtccmd.config.globals import add_service_op_code_entry, add_op_code_entry
from tmtccmd.tc.packer import TcQueueT
from spacepackets.ecss.tc import PusTelecommand


class SwitchNumbers:
    HEATER_0 = 0
    HEATER_1 = 1
    HEATER_2 = 2
    HEATER_3 = 3
    HEATER_4 = 4
    HEATER_5 = 5
    HEATER_6 = 6
    HEATER_7 = 7
    NUMBER_OF_SWITCHES = 8


class OpCodes:
    HEATER_CMD = ["0", "heater-cmd"]


class Info:
    HEATER_CMD = "Heater Switch Command"


class ActionIds(enum.IntEnum):
    SWITCH_HEATER = 0


def add_heater_cmds(cmd_dict: ServiceOpCodeDictT):
    op_code_dict = dict()
    add_op_code_entry(
        op_code_dict=op_code_dict, keys=OpCodes.HEATER_CMD, info=Info.HEATER_CMD
    )
    add_service_op_code_entry(
        srv_op_code_dict=cmd_dict,
        name=CustomServiceList.HEATER.value,
        info="Heater Device",
        op_code_entry=op_code_dict,
    )


def pack_heater_cmds(object_id: bytearray, tc_queue: TcQueueT):
    tc_queue.appendleft((QueueCommands.PRINT, "Heater Switching"))
    while True:
        heater_number = input("Type number of heater to switch [0-7]: ")
        if not heater_number.isdigit():
            print("Heater number not a digit")
            continue
        heater_number = int(heater_number)
        if heater_number >= SwitchNumbers.NUMBER_OF_SWITCHES or heater_number < 0:
            print("Invalid heater switch number")
            continue
        break
    while True:
        action = input("Turn switch on or off? (0 - off, 1 - on): ")
        if not action.isdigit():
            print("Switch action not valid")
            continue
        action = int(action)
        if action != 0 and action != 1:
            print("Invalid action defined. Must be 0 (off) or 1 (on")
            continue
        break
    if action == 1:
        act_str = "on"
    else:
        act_str = "off"
    debug_string = f"Switching heater {heater_number} {act_str}"
    tc_queue.appendleft((QueueCommands.PRINT, debug_string))
    command = pack_switch_heater_command(object_id, heater_number, action)
    tc_queue.appendleft(command.pack_command_tuple())


def pack_switch_heater_command(
    object_id: bytes, switch_nr: int, switch_action: int
) -> PusTelecommand:
    """Function to generate the command switch a heater
    @param object_id    The object id of the HeaterHandler object.
    @param switch_nr    The switch number identifying the heater to switch
    @param switch_action    Action to perform. 0 - Sets switch off, 1 - Sets switch on.
    """
    command = bytearray()
    command.append(switch_nr)
    command.append(switch_action)
    return generate_action_command(
        object_id=object_id, action_id=ActionIds.SWITCH_HEATER, app_data=command
    )