import os 

import docker 
from typeguard import typechecked

try:
    from common_utils import msg_builder, rabbitmq
except ModuleNotFoundError:
    from common_module.common_utils import msg_builder, rabbitmq

try:
    from common_utils.logger import create_logger
except ModuleNotFoundError:
    from common_module.common_utils.logger import create_logger

# Docker client
docker_client = docker.from_env()

LOGGER = create_logger(__name__)

@typechecked
def run_container(module: str) -> int:
    """
    Runs container.
    """
    # read vols
    # key: path on my machine/host
    # value of key "bind": path inside container
    # "ro": read only
    # "rw": read & write
    # https://stackoverflow.com/a/74524696
    # Docker prepends dir name to named vols to prevent clashes w existing containers!
    # https://forums.docker.com/t/docker-compose-prepends-directory-name-to-named-volumes/32835/2
    # TODO
    # change prepended str if dir is renamed
    vols = {
        "ai-framework_namedin": {"bind": "/in", "mode": "rw"},
        "ai-framework_namedout": {"bind": "/out", "mode": "rw"},
    }

    # solver
    # network: name of the network the container will be connected to at creation time
    # Docker prepends dir name to network!
    solver_container = docker_client.containers.run(
        image=f"{module}:{os.environ['TAG']}",
        detach=True,
        auto_remove=False,
        environment=envs,
        volumes=vols,
        device_requests=[
                           docker.types.DeviceRequest(device_ids=["0"], 
                                                      capabilities=[['gpu']])],
        network="ai-framework_aifw_net",
    )

    return solver_container.id

@typechecked
def kill_container(solver_container_id: int):
    """
    Kills container.
    """
    # get container
    running_containers = docker_client.containers.list(
        filters={"id": solver_container_id}
    )
    for container in running_containers:
        container.kill()



@typechecked
def run(message_body: dict, worker: rabbitmq.Worker) -> bool:
    """
    ctrler's msg_builder.build_msg.
    Returns False.
    """
    if not msg_builder.validate_message(
        message_body,
        ["external_id", "application", "uid", "job_status", "process_status"],
    ):
        LOGGER.error(f"bad msg: {message_body=}")

    else:
        # default vals
        uid = message_body["programme"]["uid"]
        force = False
        queue_name = ""

        if "force" in message_body["programme"]:
            force_v = message_body["programme"]["force"]
            LOGGER.debug(f"{type(force_v)=}")
            if force_v is not None and (
                (isinstance(force_v, bool) and force_v)
                or (isinstance(force_v, str) and force_v.lower() == "true")
            ):
                force = True

        LOGGER.debug(f"{force=}")

        if message_body["programme"]["job_status"] == "start":
            queue_name = "queue_module_osd_tvs"
        else:
            # job_status = "working"
            # read val of key "module"
            if message_body["programme"]["process_status"] == "completed":
                if message_body["programme"]["module"] == "osd_tvs":
                    queue_name = "queue_module_mmc_aus"
                elif message_body["programme"]["module"] == "mmc_aus":
                    queue_name = "queue_module_osd_vcd"
                elif message_body["programme"]["module"] == "osd_vcd":
                    queue_name = "queue_module_mmc_sir"
                elif message_body["programme"]["module"] == "mmc_sir":
                    queue_name = "queue_module_mmc_asr"
                elif message_body["programme"]["module"] == "mmc_asr":
                    queue_name = "queue_module_paf_fir"
                elif message_body["programme"]["module"] == "paf_fir":
                    queue_name = "queue_module_osd_ava"
                elif message_body["programme"]["module"] == "osd_ava":
                    queue_name = "queue_module_osd_avs"
                elif message_body["programme"]["module"] == "osd_avs":
                    queue_name = "queue_module_osd_ave"

            LOGGER.debug(
                "module "
                f"{message_body['programme']['module']} "
                f"{message_body['programme']['process_status']} "
                "response"
            )

        LOGGER.debug(f"{queue_name=}")

        if queue_name != "":
            # send data to analyzer
            s_job_status = "--"
            if "job_status" in message_body["programme"]:
                s_job_status = message_body["programme"]["job_status"]
            s_process_status = "--"
            if "process_status" in message_body["programme"]:
                s_process_status = message_body["programme"]["process_status"]

            LOGGER.debug(
                f"[TRACE][{uid}][SEND] queue: {queue_name}"
                f" -- job_status: {s_job_status}"
                f" -- process_status: {s_process_status}"
            )
            message_body["programme"]["force"] = force

            worker.send_messages(queue=queue_name, messages=(message_body,))
        else:
            if "process_status" in message_body["programme"]:
                if not (
                    "working" in message_body["programme"]["process_status"]
                    or "failed" in message_body["programme"]["process_status"]
                ):
                    LOGGER.warn(
                        f"bad msg: {message_body['programme']['process_status']=}"
                    )

    return False