#!/usr/bin/env python3
"""Example client for the sat-rs example application"""
import enum
import logging
import struct
import sys
import time
from typing import Optional
import datetime
import json
import pprint

import tmtccmd
from spacepackets.ecss import PusTelemetry, PusTelecommand, PusVerificator
from spacepackets.ecss.pus_17_test import Service17Tm
from spacepackets.ecss.pus_1_verification import UnpackParams, Service1Tm
from spacepackets.ccsds.time import CdsShortTimestamp

from tmtccmd import CcsdsTmtcBackend, TcHandlerBase, ProcedureParamsWrapper
from tmtccmd.tc.pus_3_fsfw_hk import generate_one_hk_command, make_sid
from tmtccmd.tc.pus_11_tc_sched import create_time_tagged_cmd
from tmtccmd.core.base import BackendRequest
from tmtccmd.pus import VerificationWrapper
from tmtccmd.tm import CcsdsTmHandler, SpecificApidHandlerBase
from tmtccmd.com import ComInterface
from tmtccmd.config import (
    default_json_path,
    SetupParams,
    HookBase,
    TmtcDefinitionWrapper,
    CoreServiceList,
    OpCodeEntry,
    params_to_procedure_conversion,
)
from tmtccmd.config import PreArgsParsingWrapper, SetupWrapper
from tmtccmd.logging import add_colorlog_console_logger
from tmtccmd.logging.pus import (
    RegularTmtcLogWrapper,
    RawTmtcTimedLogWrapper,
    TimedLogWhen,
)
from tmtccmd.tc import (
    TcQueueEntryType,
    ProcedureWrapper,
    TcProcedureType,
    FeedWrapper,
    SendCbParams,
    DefaultPusQueueHelper,
    QueueWrapper,
)
from tmtccmd.tm.pus_5_fsfw_event import Service5Tm
from tmtccmd.util import FileSeqCountProvider, PusFileSeqCountProvider
from tmtccmd.util.obj_id import ObjectIdDictT

from tmtccmd.util.tmtc_printer import FsfwTmTcPrinter

_LOGGER = logging.getLogger(__name__)

EXAMPLE_PUS_APID = 0x02


class SatRsConfigHook(HookBase):
    def __init__(self, json_cfg_path: str):
        super().__init__(json_cfg_path=json_cfg_path)

    def assign_communication_interface(self, com_if_key: str) -> Optional[ComInterface]:
        from tmtccmd.config.com import (
            create_com_interface_default,
            create_com_interface_cfg_default,
        )

        cfg = create_com_interface_cfg_default(
            com_if_key=com_if_key,
            json_cfg_path=self.cfg_path,
            space_packet_ids=None,
        )
        return create_com_interface_default(cfg)

    def get_tmtc_definitions(self) -> TmtcDefinitionWrapper:
        from tmtccmd.config.globals import get_default_tmtc_defs

        defs = get_default_tmtc_defs()
        srv_5 = OpCodeEntry()
        srv_5.add("0", "Event Test")
        defs.add_service(
            name=CoreServiceList.SERVICE_5.value,
            info="PUS Service 5 Event",
            op_code_entry=srv_5,
        )
        srv_17 = OpCodeEntry()
        srv_17.add("0", "Ping Test")
        defs.add_service(
            name=CoreServiceList.SERVICE_17_ALT,
            info="PUS Service 17 Test",
            op_code_entry=srv_17,
        )
        srv_3 = OpCodeEntry()
        srv_3.add(HkOpCodes.GENERATE_ONE_SHOT, "Generate AOCS one shot HK")
        defs.add_service(
            name=CoreServiceList.SERVICE_3,
            info="PUS Service 3 Housekeeping",
            op_code_entry=srv_3,
        )

        srv_8 = OpCodeEntry()
        srv_8.add("1", "Camera Image Request")
        defs.add_service(
            name=CoreServiceList.SERVICE_8,
            info="PUS Service 8 Action",
            op_code_entry=srv_8,
        )

        srv_11 = OpCodeEntry()
        srv_11.add("0", "Scheduled TC Test")
        srv_11.add("1", "Scheduled Camera Request TC")
        defs.add_service(
            name=CoreServiceList.SERVICE_11,
            info="PUS Service 11 TC Scheduling",
            op_code_entry=srv_11,
        )
        return defs

    def perform_mode_operation(self, tmtc_backend: CcsdsTmtcBackend, mode: int):
        _LOGGER.info("Mode operation hook was called")
        pass

    def get_object_ids(self) -> ObjectIdDictT:
        from tmtccmd.config.objects import get_core_object_ids

        return get_core_object_ids()


class PusHandler(SpecificApidHandlerBase):
    def __init__(
        self,
        verif_wrapper: VerificationWrapper,
        printer: FsfwTmTcPrinter,
        raw_logger: RawTmtcTimedLogWrapper,
    ):
        super().__init__(EXAMPLE_PUS_APID, None)
        self.printer = printer
        self.raw_logger = raw_logger
        self.verif_wrapper = verif_wrapper

    def handle_tm(self, packet: bytes, _user_args: any):
        try:
            tm_packet = PusTelemetry.unpack(
                packet, time_reader=CdsShortTimestamp.empty()
            )
        except ValueError as e:
            _LOGGER.warning("Could not generate PUS TM object from raw data")
            _LOGGER.warning(f"Raw Packet: [{packet.hex(sep=',')}], REPR: {packet!r}")
            raise e
        service = tm_packet.service
        dedicated_handler = False
        if service == 1:
            tm_packet = Service1Tm.unpack(
                data=packet, params=UnpackParams(CdsShortTimestamp.empty(), 1, 2)
            )
            res = self.verif_wrapper.add_tm(tm_packet)
            if res is None:
                _LOGGER.info(
                    f"Received Verification TM[{tm_packet.service}, {tm_packet.subservice}] "
                    f"with Request ID {tm_packet.tc_req_id.as_u32():#08x}"
                )
                _LOGGER.warning(
                    f"No matching telecommand found for {tm_packet.tc_req_id}"
                )
            else:
                self.verif_wrapper.log_to_console(tm_packet, res)
                self.verif_wrapper.log_to_file(tm_packet, res)
            dedicated_handler = True
        if service == 3:
            # _LOGGER.info("No handling for HK packets implemented")
            # _LOGGER.info(f"Raw packet: 0x[{packet.hex(sep=',')}]")            
            pus_tm = PusTelemetry.unpack(packet, time_reader=CdsShortTimestamp.empty())
            if pus_tm.subservice == 25:
                if len(pus_tm.source_data) < 8:
                    raise ValueError("No addressable ID in HK packet")
                json_str = str(pus_tm.source_data[8:].decode('utf8'))
                json_object = json.loads(json_str)
                pprint.pprint(json_object)
            dedicated_handler = True
        if service == 5:
            tm_packet = Service5Tm.unpack(packet, time_reader=CdsShortTimestamp.empty())
        if service == 17:
            tm_packet = Service17Tm.unpack(
                packet, time_reader=CdsShortTimestamp.empty()
            )
            dedicated_handler = True
            if tm_packet.subservice == 2:
                self.printer.file_logger.info("Received Ping Reply TM[17,2]")
                _LOGGER.info("Received Ping Reply TM[17,2]")
            else:
                self.printer.file_logger.info(
                    f"Received Test Packet with unknown subservice {tm_packet.subservice}"
                )
                _LOGGER.info(
                    f"Received Test Packet with unknown subservice {tm_packet.subservice}"
                )
        if tm_packet is None:
            _LOGGER.info(
                f"The service {service} is not implemented in Telemetry Factory"
            )
            tm_packet = PusTelemetry.unpack(
                packet, time_reader=CdsShortTimestamp.empty()
            )
        self.raw_logger.log_tm(tm_packet)
        if not dedicated_handler and tm_packet is not None:
            pass
            # self.printer.handle_long_tm_print(packet_if=tm_packet, info_if=tm_packet)


def make_addressable_id(target_id: int, unique_id: int) -> bytes:
    byte_string = bytearray(struct.pack("!I", target_id))
    byte_string.extend(struct.pack("!I", unique_id))
    return byte_string


def read_addressable_id(data: bytes) -> tuple[int, int]:
    target_id = struct.unpack("!I", data[0:4])[0]
    set_id = struct.unpack("!I", data[4:8])[0]
    return (target_id, set_id)


class RequestTargetId(enum.IntEnum):
    ACS = 1
    PLD = 2


class AcsHkIds(enum.IntEnum):
    MGM_SET = 1


class HkOpCodes:
    GENERATE_ONE_SHOT = ["0", "oneshot"]


def make_target_id(target_id: int) -> bytes:
    byte_string = bytearray(struct.pack("!I", target_id))
    return byte_string


class TcHandler(TcHandlerBase):
    def __init__(
        self,
        seq_count_provider: FileSeqCountProvider,
        verif_wrapper: VerificationWrapper,
    ):
        super(TcHandler, self).__init__()
        self.seq_count_provider = seq_count_provider
        self.verif_wrapper = verif_wrapper
        self.queue_helper = DefaultPusQueueHelper(
            queue_wrapper=QueueWrapper.empty(),
            tc_sched_timestamp_len=CdsShortTimestamp.TIMESTAMP_SIZE,
            seq_cnt_provider=seq_count_provider,
            pus_verificator=self.verif_wrapper.pus_verificator,
            default_pus_apid=EXAMPLE_PUS_APID,
        )

    def send_cb(self, send_params: SendCbParams):
        entry_helper = send_params.entry
        if entry_helper.is_tc:
            if entry_helper.entry_type == TcQueueEntryType.PUS_TC:
                pus_tc_wrapper = entry_helper.to_pus_tc_entry()
                raw_tc = pus_tc_wrapper.pus_tc.pack()
                _LOGGER.info(f"Sending {pus_tc_wrapper.pus_tc}")
                send_params.com_if.send(raw_tc)
        elif entry_helper.entry_type == TcQueueEntryType.LOG:
            log_entry = entry_helper.to_log_entry()
            _LOGGER.info(log_entry.log_str)

    def queue_finished_cb(self, helper: ProcedureWrapper):
        if helper.proc_type == TcProcedureType.DEFAULT:
            def_proc = helper.to_def_procedure()
            _LOGGER.info(
                f"Queue handling finished for service {def_proc.service} and "
                f"op code {def_proc.op_code}"
            )

    def feed_cb(self, helper: ProcedureWrapper, wrapper: FeedWrapper):
        q = self.queue_helper
        q.queue_wrapper = wrapper.queue_wrapper
        if helper.proc_type == TcProcedureType.DEFAULT:
            def_proc = helper.to_def_procedure()
            service = def_proc.service
            op_code = def_proc.op_code
            if (
                service == CoreServiceList.SERVICE_17
                or service == CoreServiceList.SERVICE_17_ALT
            ):
                q.add_log_cmd("Sending PUS ping telecommand")
                return q.add_pus_tc(PusTelecommand(service=17, subservice=1))
            if service == CoreServiceList.SERVICE_11:
                if op_code == "0":
                    q.add_log_cmd("Sending PUS scheduled TC telecommand")
                    crt_time = CdsShortTimestamp.from_now()
                    time_stamp = crt_time + datetime.timedelta(seconds=10)
                    time_stamp = time_stamp.pack()
                    return q.add_pus_tc(
                        create_time_tagged_cmd(
                            time_stamp,
                            PusTelecommand(service=17, subservice=1),
                            apid=EXAMPLE_PUS_APID,
                        )
                    )
                if op_code == "1":
                    q.add_log_cmd("Sending PUS scheduled TC telecommand")
                    crt_time = CdsShortTimestamp.from_now()
                    time_stamp = crt_time + datetime.timedelta(seconds=10)
                    time_stamp = time_stamp.pack()
                    return q.add_pus_tc(
                        create_time_tagged_cmd(
                            time_stamp,
                            PusTelecommand(service=8, subservice=1, app_data=make_target_id(RequestTargetId.PLD)),
                            apid=EXAMPLE_PUS_APID,
                        )
                    )
            if service == CoreServiceList.SERVICE_8:
                q.add_log_cmd("Sending PUS action request telecommand")
                return q.add_pus_tc(
                    PusTelecommand(service=8, subservice=1, app_data=make_target_id(RequestTargetId.PLD))
                )
            if service == CoreServiceList.SERVICE_3:
                if op_code in HkOpCodes.GENERATE_ONE_SHOT:
                    q.add_log_cmd("Sending HK one shot request")
                    q.add_pus_tc(
                        generate_one_hk_command(
                            make_addressable_id(RequestTargetId.ACS, AcsHkIds.MGM_SET)
                        )
                    )
                pass


def main():
    add_colorlog_console_logger(_LOGGER)
    tmtccmd.init_printout(False)
    hook_obj = SatRsConfigHook(json_cfg_path=default_json_path())
    parser_wrapper = PreArgsParsingWrapper()
    parser_wrapper.create_default_parent_parser()
    parser_wrapper.create_default_parser()
    parser_wrapper.add_def_proc_args()
    params = SetupParams()
    post_args_wrapper = parser_wrapper.parse(hook_obj, params)
    proc_wrapper = ProcedureParamsWrapper()
    if post_args_wrapper.use_gui:
        post_args_wrapper.set_params_without_prompts(proc_wrapper)
    else:
        post_args_wrapper.set_params_with_prompts(proc_wrapper)
    params.apid = EXAMPLE_PUS_APID
    setup_args = SetupWrapper(
        hook_obj=hook_obj, setup_params=params, proc_param_wrapper=proc_wrapper
    )
    # Create console logger helper and file loggers
    tmtc_logger = RegularTmtcLogWrapper()
    printer = FsfwTmTcPrinter(tmtc_logger.logger)
    raw_logger = RawTmtcTimedLogWrapper(when=TimedLogWhen.PER_HOUR, interval=1)
    verificator = PusVerificator()
    verification_wrapper = VerificationWrapper(
        verificator, _LOGGER, printer.file_logger
    )
    # Create primary TM handler and add it to the CCSDS Packet Handler
    tm_handler = PusHandler(verification_wrapper, printer, raw_logger)
    ccsds_handler = CcsdsTmHandler(generic_handler=None)
    ccsds_handler.add_apid_handler(tm_handler)

    # Create TC handler
    seq_count_provider = PusFileSeqCountProvider()
    tc_handler = TcHandler(seq_count_provider, verification_wrapper)
    tmtccmd.setup(setup_args=setup_args)
    init_proc = params_to_procedure_conversion(setup_args.proc_param_wrapper)
    tmtc_backend = tmtccmd.create_default_tmtc_backend(
        setup_wrapper=setup_args,
        tm_handler=ccsds_handler,
        tc_handler=tc_handler,
        init_procedure=init_proc,
    )
    tmtccmd.start(tmtc_backend=tmtc_backend, hook_obj=hook_obj)
    try:
        while True:
            state = tmtc_backend.periodic_op(None)
            if state.request == BackendRequest.TERMINATION_NO_ERROR:
                sys.exit(0)
            elif state.request == BackendRequest.DELAY_IDLE:
                _LOGGER.info("TMTC Client in IDLE mode")
                time.sleep(3.0)
            elif state.request == BackendRequest.DELAY_LISTENER:
                time.sleep(0.8)
            elif state.request == BackendRequest.DELAY_CUSTOM:
                if state.next_delay.total_seconds() <= 0.4:
                    time.sleep(state.next_delay.total_seconds())
                else:
                    time.sleep(0.4)
            elif state.request == BackendRequest.CALL_NEXT:
                pass
    except KeyboardInterrupt:
        sys.exit(0)


if __name__ == "__main__":
    main()