# Copyright 2019-2026 NXP
#
# Author: Thomas Mahe <thomas.mahe@nxp.com>
#         Franck Lenormand <franck.lenormand@nxp.com>
#         Gopalakrishnan RAJINE ANAND <gopalakrishnan.rajineanand@nxp.com>
#         Larry Shen <larry.shen@nxp.com>
#
# SPDX-License-Identifier: GPL-2.0-or-later

# List just the subclasses supported for this base strategy
# imported by the parser to populate the list of subclasses.
from __future__ import annotations

import re
import time
from shlex import split as shelx_split
from typing import TYPE_CHECKING

from lava_common.exceptions import InfrastructureError, JobError
from lava_dispatcher.action import Action, Pipeline
from lava_dispatcher.actions.boot import BootloaderCommandOverlay
from lava_dispatcher.actions.boot.bootloader import BootBootloaderAction
from lava_dispatcher.connections.serial import ConnectDevice, DisconnectDevice
from lava_dispatcher.logical import RetryAction
from lava_dispatcher.power import PowerOff, ResetDevice
from lava_dispatcher.utils.strings import substitute
from lava_dispatcher.utils.uuu import OptionalContainerUuuAction

if TYPE_CHECKING:
    from collections.abc import Iterator


def build_uuu_path_monitoring_args(usb_otg_path: str | list[str]) -> Iterator[str]:
    # See https://manpages.debian.org/trixie/uuu/uuu.1.en.html#m
    if isinstance(usb_otg_path, str):
        yield "-m"
        yield usb_otg_path
    else:
        for single_path in usb_otg_path:
            yield "-m"
            yield single_path


def build_uuu_protocol_args(protocol: str) -> Iterator[str]:
    # uuu can be used in 2 different ways, by using built-in scripts in
    # a single command,
    # or with a list of commands, each prefixed with a protocol type.
    #   Example of built-in: uuu -b sd bootimage
    #   Example of protocol: uuu SDP: boot -f flash.bin
    # So it is more convenient for LAVA job writers to use uuu built-in
    # script with a tuple (protocol, command), like uuu: -b sd_all
    if protocol not in ("bcu", "uuu"):
        yield f"{protocol}:"


class CheckSerialDownloadMode(OptionalContainerUuuAction):
    name = "check-serial-availability"
    description = "Store in 'otg_availability_check' namespace_data if USB serial download mode available"
    summary = "Store in 'otg_availability_check' namespace_data if USB serial download mode available"

    def populate(self, parameters):
        self.parameters = parameters
        self.uuu = self.which("uuu")
        self.linux_timeout = self.which("timeout")

    def check_board_availability(self):
        """
        Check if the board is available in USB serial download mode
        This method try to boot the board using uuu, (uuu <bootimage>)
        If 'uuu <bootimage>' does not terminate within 10 seconds this method return false

        see the doc : https://github.com/NXPmicro/mfgtools
        :return: True if board is available in USB serial download mode
        """

        boot = self.get_namespace_data(
            action="download-action", label="boot", key="file"
        )
        # Sleep 5 seconds before availability check
        time.sleep(5)

        usb_otg_path: str | list[str] = self.job.device["actions"]["boot"]["methods"][
            "uuu"
        ]["options"]["usb_otg_path"]
        cmd: list[str] = [
            self.linux_timeout,
            "--preserve-status",
            "10",
            self.uuu,
            *build_uuu_path_monitoring_args(usb_otg_path),
            boot,
        ]

        self.maybe_copy_to_container(boot)

        # Board available if cmd terminates correctly
        ret = self.run_uuu(cmd, allow_fail=True)
        if ret == 0:
            return True
        elif ret == 143:
            return False
        else:
            raise self.command_exception(f"Fail UUUBootAction on cmd : {' '.join(cmd)}")

    def run(self, connection, max_end_time):
        connection = super().run(connection, max_end_time)
        board_available = self.check_board_availability()

        if not board_available:
            self.logger.info(
                "Board not available in serial download mode, corrupting boot media"
            )
            self.set_namespace_data(
                action="boot", label="uuu", key="otg_availability_check", value=False
            )
        else:
            self.logger.info("Board available for usb serial download")
            self.set_namespace_data(
                action="boot", label="uuu", key="otg_availability_check", value=True
            )

        return connection


class BootBootloaderCorruptBootMediaAction(Action):
    name = "boot-corrupt-boot-media"
    description = "boot using 'bootloader' method and corrupt boot media"
    summary = "boot bootloader"

    def populate(self, parameters):
        power_off = self.job.device["actions"]["boot"]["methods"]["uuu"]["options"][
            "power_off_before_corrupt_boot_media"
        ]

        SD_ERASE_CMDS = self.job.device["actions"]["boot"]["methods"]["uuu"]["options"][
            "corrupt_boot_media_command"
        ]
        if isinstance(SD_ERASE_CMDS, str):
            SD_ERASE_CMDS = [SD_ERASE_CMDS]

        u_boot_params = {
            "method": "bootloader",
            "bootloader": "u-boot",
            "commands": SD_ERASE_CMDS,
            "prompts": [
                self.job.device["actions"]["boot"]["methods"]["u-boot"]["parameters"][
                    "bootloader_prompt"
                ]
            ],
        }
        self.pipeline = Pipeline(
            parent=self, job=self.job, parameters={**parameters, **u_boot_params}
        )
        if power_off:
            self.pipeline.add_action(PowerOff(self.job))
        self.pipeline.add_action(ConnectDevice(self.job))
        self.pipeline.add_action(
            BootloaderCommandOverlay(
                self.job,
                method=u_boot_params["bootloader"],
                commands=u_boot_params["commands"],
            )
        )
        self.pipeline.add_action(BootBootloaderAction(self.job))
        self.pipeline.add_action(DisconnectDevice(self.job))

    def run(self, connection, max_end_time):
        otg_available = self.get_namespace_data(
            action="boot", label="uuu", key="otg_availability_check"
        )
        if otg_available:
            return connection
        else:
            return super().run(connection, max_end_time)


class CheckBootloaderValidAction(Action):
    name = "check-bootloader-valid"
    description = "Store in 'board_valid_check' namespace_data"
    summary = "Store in 'board_valid_check' namespace_data"

    def populate(self, parameters):
        self.parameters = parameters

        u_boot_params = {
            "method": "bootloader",
            "bootloader": "u-boot",
            "commands": [],
            "prompts": [
                self.job.device["actions"]["boot"]["methods"]["u-boot"]["parameters"][
                    "bootloader_prompt"
                ]
            ],
        }
        u_boot_params = {**parameters, **u_boot_params}
        u_boot_params.setdefault("timeouts", {}).setdefault(
            "bootloader-interrupt", {"seconds": 15}
        )
        self.pipeline = Pipeline(parent=self, job=self.job, parameters=u_boot_params)
        self.pipeline.add_action(ConnectDevice(self.job))
        self.pipeline.add_action(
            BootloaderCommandOverlay(
                self.job,
                method=u_boot_params["bootloader"],
                commands=u_boot_params["commands"],
            )
        )
        self.pipeline.add_action(BootBootloaderAction(self.job))
        self.pipeline.add_action(DisconnectDevice(self.job))

    def run(self, connection, max_end_time):
        try:
            con = super().run(connection, max_end_time)
            self.set_namespace_data(
                action="boot", label="uuu", key="bootloader_valid_check", value=True
            )
            return con
        except InfrastructureError:
            self.logger.info("Start uuu flash due to no valid bootloader")
            self.set_namespace_data(
                action="boot", label="uuu", key="bootloader_valid_check", value=False
            )
            return connection


class UUUBootRetryAction(RetryAction):
    """
    Wraps the retryaction to allow for bootloader valid check
    if `skip_uuu_if_bootloader_valid` specified
    """

    name = "uuu-boot-retry"
    description = "wrap action to allow bootloader valid check"
    summary = "check valid bootloader before uuu"

    def populate(self, parameters):
        self.pipeline = Pipeline(parent=self, job=self.job, parameters=parameters)
        if parameters.get("skip_uuu_if_bootloader_valid"):
            self.pipeline.add_action(CheckBootloaderValidAction(self.job))
        self.pipeline.add_action(UUUAction(self.job))


class UUUAction(Action):
    """
    Wraps the action to allow for actions which precede
    the reset, e.g. Connect.
    """

    name = "uuu"
    description = "Boot the board using uboot and perform uuu commands"
    summary = "Pass uuu commands"

    def populate(self, parameters):
        # Verify format of usb_otg_path if available or process uuu_otg_path_command
        self.job.device["actions"]["boot"]["methods"]["uuu"]["options"][
            "usb_otg_path"
        ] = self.eval_otg_path()
        self.job.device["actions"]["boot"]["methods"]["uuu"]["options"][
            "has_bcu_commands"
        ] = self.has_protocol("bcu", parameters)
        if self.has_protocol("bcu", parameters):
            self.job.device["actions"]["boot"]["methods"]["uuu"]["options"][
                "bcu_board_id"
            ] = self.eval_bcu_board_id()
        self.pipeline = Pipeline(parent=self, job=self.job, parameters=parameters)
        self.pipeline.add_action(DisconnectDevice(self.job))
        self.pipeline.add_action(ResetDevice(self.job))

        # Serial availability check is skipped if
        #  bcu reset usb is the first command
        #  or bcu is the only protocol used in uuu commands block
        if self.first_command_is_bcu_reset_usb(parameters) or self.has_only_protocol(
            "bcu", parameters
        ):
            self.logger.info(
                """\
First command is 'bcu reset usb' or commands blocks contain only bcu commands only.
Following actions will be skipped :
    - CheckSerialDownloadMode
    - BootBootloaderCorruptBootMediaAction
    - ResetDevice"""
            )
        else:
            self.pipeline.add_action(CheckSerialDownloadMode(self.job))
            self.pipeline.add_action(BootBootloaderCorruptBootMediaAction(self.job))
            self.pipeline.add_action(ResetDevice(self.job))

        self.pipeline.add_action(ConnectDevice(self.job))
        self.pipeline.add_action(UUUBootAction(self.job), parameters=parameters)
        self.pipeline.add_action(DisconnectDevice(self.job))

    def run(self, connection, max_end_time):
        bootloader_valid = self.get_namespace_data(
            action="boot", label="uuu", key="bootloader_valid_check"
        )
        if bootloader_valid:
            self.logger.info("Skip uuu flash due to valid bootloader")
            return connection
        else:
            return super().run(connection, max_end_time)

    def eval_otg_path(self):
        uuu_options = self.job.device["actions"]["boot"]["methods"]["uuu"]["options"]

        # Match example : "2:112"
        otg_path_fsm = re.compile(r"\d+:\d+")

        # from uuu_otg_path device parameter
        raw_option = uuu_options.get("usb_otg_path")
        if raw_option:
            if isinstance(raw_option, str):
                otg_paths = [raw_option]
            else:
                # uuu_otg_path accept only List[str] or str
                otg_paths = raw_option

            # All path are matching with uuu path format
            if None not in map(otg_path_fsm.fullmatch, otg_paths):
                return otg_paths

        if uuu_options.get("usb_otg_path_command") is None:
            raise JobError(
                f"uuu_usb_otg_path {uuu_options.get('usb_otg_path')!r} does not match "
                "with uuu path pattern and 'uuu_usb_otg_path_command' not defined "
                "in device"
            )
        # Retrieve usb_otg_path from command execution
        else:
            usb_otg_path_command = uuu_options.get("usb_otg_path_command")
            cmd = usb_otg_path_command
            self.logger.info(
                "Retrieving 'usb_otg_path' using command : '%s'", " ".join(cmd)
            )

            command_output = self.parsed_command(cmd)
            uuu_otg_paths = list(map(lambda p: p.strip(), command_output.splitlines()))

            # All path are matching with uuu path format
            if None not in map(otg_path_fsm.fullmatch, uuu_otg_paths):
                self.logger.info("uuu_otg_path matched : %s", uuu_otg_paths)
                return uuu_otg_paths

            raise JobError(f"Unable to parse uuu_usb_otg_path from command {cmd!r}")

    def _get_protocols_from_commands(self, parameters):
        """
        Return typing.Set of protocols defined in commands block
        eg: {"uuu", "bcu"}
        """
        return {proto for cmd in parameters.get("commands", []) for proto in cmd.keys()}

    def has_protocol(self, protocol, parameters):
        """
        Return: True if given protocol is present in commands block
                False otherwise
        """
        protocols = self._get_protocols_from_commands(parameters)
        return protocol in protocols

    def has_only_protocol(self, protocol, parameters):
        """
        Return: True if given protocol is the only one present in commands block
                False otherwise
        """
        protocols = self._get_protocols_from_commands(parameters)
        return protocol in protocols and len(protocols) == 1

    def first_command_is_bcu_reset_usb(self, parameters):
        """
        Return: True if first command listed in commands block starts with "bcu: reset usb"
                e.g. "bcu: reset usb", "bcu: reset usb -keep"
                False otherwise
        """
        # First command
        ((proto, command),) = parameters.get("commands")[0].items()
        if proto != "bcu":
            return False

        pattern = ["reset", "usb"]
        return pattern == list(map(str.strip, command.split(" ")))[: len(pattern)]

    def eval_bcu_board_id(self):
        uuu_options = self.job.device["actions"]["boot"]["methods"]["uuu"]["options"]

        if uuu_options.get("bcu_board_name") == "":
            raise JobError("'bcu_board_name' is not defined in device-types")

        # Match example : "2-1.3"
        bcu_id_fsm = re.compile(r"\d+-(\d+|\.)+")

        if bcu_id_fsm.fullmatch(uuu_options.get("bcu_board_id")):
            return uuu_options.get("bcu_board_id")

        if uuu_options.get("bcu_board_id_command") is None:
            raise JobError(
                f"bcu_board_id {uuu_options.get('bcu_board_id')!r} do not respect bcu "
                "format or 'bcu_board_id_command' not defined in device"
            )
        else:
            bcu_board_id_command = uuu_options.get("bcu_board_id_command")

        self.logger.info(
            "Retrieving 'bcu_board_id' using command : '%s'",
            " ".join(bcu_board_id_command),
        )

        bcu_id_expected = self.parsed_command(bcu_board_id_command).strip()

        if bcu_id_fsm.fullmatch(bcu_id_expected):
            self.logger.info("Matched bcu_board_id : %s", bcu_id_expected)
            return bcu_id_expected

        raise JobError(f"Unable to parse bcu_id from command {bcu_board_id_command!r}")


class UUUBootAction(OptionalContainerUuuAction):
    name = "uuu-boot"
    description = "interactive uuu action"
    summary = "uuu commands"

    def populate(self, parameters):
        self.parameters = parameters
        self.uuu = self.which("uuu")
        if self.job.device["actions"]["boot"]["methods"]["uuu"]["options"][
            "has_bcu_commands"
        ]:
            self.bcu = self.which("bcu")
        self.cleanup_required = False

    def validate(self):
        super().validate()
        self.set_namespace_data(
            action=self.name, label="bootloader_prompt", key="prompt", value=None
        )

    def run(self, connection, max_end_time):
        connection = super().run(connection, max_end_time)
        usb_otg_path = self.job.device["actions"]["boot"]["methods"]["uuu"]["options"][
            "usb_otg_path"
        ]
        uuu_cmds: list[dict[str, str]] = self.parameters["commands"]
        self.bcu_board_name = self.job.device["actions"]["boot"]["methods"]["uuu"][
            "options"
        ]["bcu_board_name"]
        self.bcu_board_id = self.job.device["actions"]["boot"]["methods"]["uuu"][
            "options"
        ]["bcu_board_id"]
        images_name = self.get_namespace_data(
            action="uuu-deploy", label="uuu-images", key="images_names"
        )

        # Use to replace {boot} identifier in cmd by correct 'boot' image path
        templates: dict[str, str | None] = {}
        for image in images_name:
            image_path = self.get_namespace_data(
                "download-action", label=image, key="file"
            )
            templates[f"{{{image}}}"] = image_path
            self.maybe_copy_to_container(image_path)

        self.logger.info(templates)

        protocol_cmd_list: list[tuple[str, list[str]]] = []
        for dico in uuu_cmds:
            for protocol, cmd in dico.items():
                cmd_list = substitute(shelx_split(cmd), templates)
                protocol_cmd_list.append((protocol, cmd_list))

        if usb_otg_path is None:
            raise JobError("USB path of the device not set for uuu")
        for protocol, cmd_list in protocol_cmd_list:
            if protocol == "bcu":
                self.cleanup_required = True
                exec_cmd: list[str] = [
                    self.bcu,
                    *cmd_list,
                    f"-board={self.bcu_board_name}",
                    f"-id={self.bcu_board_id}",
                ]
                self.run_bcu(
                    exec_cmd,
                    allow_fail=False,
                    error_msg=f"Fail UUUBootAction on cmd : {' '.join(cmd_list)}",
                )
                continue

            exec_cmd = [
                self.uuu,
                *build_uuu_path_monitoring_args(usb_otg_path),
                *build_uuu_protocol_args(protocol),
                *cmd_list,
            ]

            time.sleep(1)
            self.run_uuu(
                exec_cmd,
                allow_fail=False,
                error_msg=(
                    f"Fail UUUBootAction on cmd : "
                    f"{' '.join([*build_uuu_protocol_args(protocol), *cmd_list])}"
                ),
            )

        return connection

    def cleanup(self, connection):
        super().cleanup(connection)
        if self.cleanup_required:
            exec_cmd = f"{self.bcu} deinit -board={self.bcu_board_name} -id={self.bcu_board_id}"
            self.run_bcu(
                exec_cmd.split(" "),
                allow_fail=False,
                error_msg="Fail UUUBootAction on cmd : deinit",
            )
            self.cleanup_required = False

            additional_bcu_cleanup_commands = self.job.device["actions"]["boot"][
                "methods"
            ]["uuu"]["options"].get("additional_bcu_cleanup_commands", [])
            for additional_bcu_cleanup_command in additional_bcu_cleanup_commands:
                exec_cmd = f"{self.bcu} {additional_bcu_cleanup_command} -board={self.bcu_board_name} -id={self.bcu_board_id}"
                self.run_bcu(
                    exec_cmd.split(" "),
                    allow_fail=False,
                    error_msg="Fail UUUBootAction on cmd : additional_bcu_cleanup_command",
                )
