import abc
import os
import queue
import threading
import time
import traceback
from datetime import datetime

import requests

# from flaskfarm.lib.plugin import get_model_setting
from flaskfarm.lib.support.expand.ffmpeg import SupportFfmpeg

# from flaskfarm.lib.system.setup import SystemModelSetting
from flaskfarm.lib.tool import ToolUtil

# from flaskfarm.lib.system.setup import P as SM
# from flaskfarm.lib.system.mod_setting import ModuleSetting as SM

from ..setup import *

logger = P.logger


class FfmpegQueueEntity(abc.ABCMeta("ABC", (object,), {"__slots__": ()})):
    def __init__(self, P, module_logic, info):
        self.P = P
        # SupportFfmpeg.initialize()
        self.module_logic = module_logic
        self.entity_id = -1
        self.entity_list = []
        # FfmpegQueueEntity.static_index
        self.info = info
        self.url = None
        self.ffmpeg_status = -1
        self.ffmpeg_status_kor = "대기중"
        self.ffmpeg_percent = 0
        self.ffmpeg_arg = None
        self.cancel = False
        self.created_time = datetime.now().strftime("%m-%d %H:%M:%S")
        self.savepath = None
        self.filename = None
        self.filepath = None
        self.quality = None
        self.headers = None
        # FfmpegQueueEntity.static_index += 1
        # FfmpegQueueEntity.entity_list.append(self)

    def get_video_url(self):
        return self.url

    def get_video_filepath(self):
        return self.filepath

    @abc.abstractmethod
    def refresh_status(self):
        pass

    @abc.abstractmethod
    def info_dict(self, tmp):
        pass

    def download_completed(self):
        pass

    def as_dict(self):
        tmp = {}
        tmp["entity_id"] = self.entity_id
        tmp["url"] = self.url
        tmp["ffmpeg_status"] = self.ffmpeg_status
        tmp["ffmpeg_status_kor"] = self.ffmpeg_status_kor
        tmp["ffmpeg_percent"] = self.ffmpeg_percent
        tmp["ffmpeg_arg"] = self.ffmpeg_arg
        tmp["cancel"] = self.cancel
        tmp["created_time"] = self.created_time  # .strftime('%m-%d %H:%M:%S')
        tmp["savepath"] = self.savepath
        tmp["filename"] = self.filename
        tmp["filepath"] = self.filepath
        tmp["quality"] = self.quality
        # tmp['current_speed'] = self.ffmpeg_arg['current_speed'] if self.ffmpeg_arg is not None else ''
        tmp = self.info_dict(tmp)
        return tmp


class FfmpegQueue(object):
    def __init__(self, P, max_ffmpeg_count, sub_package_name, caller=None):

        self.P = P
        self.static_index = 1
        self.entity_list = []
        self.current_ffmpeg_count = 0
        self.download_queue = None
        self.download_thread = None
        self.max_ffmpeg_count = max_ffmpeg_count
        self.name = sub_package_name
        if self.max_ffmpeg_count is None or self.max_ffmpeg_count == "":
            self.max_ffmpeg_count = 1

        self.caller = caller
        # self.support_init()

    def support_init(self):
        SupportFfmpeg.initialize(
            "ffmpeg",
            os.path.join(F.config["path_data"], "tmp"),
            self.callback_function,
            P.ModelSetting.get(f"{self.name}_max_ffmpeg_process_count"),
        )

    def queue_start(self):
        try:
            if self.download_queue is None:
                self.download_queue = queue.Queue()
            if self.download_thread is None:
                self.download_thread = threading.Thread(
                    target=self.download_thread_function, args=()
                )
                self.download_thread.daemon = True
                # todo: 동작 방식 고찰
                self.download_thread.start()
        except Exception as exception:
            self.P.logger.error(f"Exception: {exception}")
            self.P.logger.error(traceback.format_exc())

    def download_thread_function(self):
        while True:
            try:
                while True:
                    try:
                        if self.current_ffmpeg_count < self.max_ffmpeg_count:
                            break
                        time.sleep(5)
                    except Exception as exception:
                        self.P.logger.error(f"Exception: {exception}")
                        self.P.logger.error(traceback.format_exc())
                        self.P.logger.error(
                            "current_ffmpeg_count : %s", self.current_ffmpeg_count
                        )
                        self.P.logger.error(
                            "max_ffmpeg_count : %s", self.max_ffmpeg_count
                        )
                        break
                entity = self.download_queue.get()
                logger.debug(f"entity: {entity}")
                if entity.cancel:
                    continue

                # from .logic_ani24 import LogicAni24
                # entity.url = LogicAni24.get_video_url(entity.info['code'])
                video_url = entity.get_video_url()
                if video_url is None:
                    entity.ffmpeg_status_kor = "URL실패"
                    entity.refresh_status()
                    # plugin.socketio_list_refresh()
                    continue

                # import ffmpeg

                # max_pf_count = 0
                # save_path = ModelSetting.get('download_path')
                # if ModelSetting.get('auto_make_folder') == 'True':
                #    program_path = os.path.join(save_path, entity.info['filename'].split('.')[0])
                #    save_path = program_path
                # try:
                #    if not os.path.exists(save_path):
                #        os.makedirs(save_path)
                # except:
                #    logger.debug('program path make fail!!')
                # 파일 존재여부 체크
                print("here...................")
                P.logger.info(entity.info)
                filepath = entity.get_video_filepath()
                P.logger.debug(f"filepath:: {filepath}")
                if os.path.exists(filepath):
                    entity.ffmpeg_status_kor = "파일 있음"
                    entity.ffmpeg_percent = 100
                    entity.refresh_status()
                    # plugin.socketio_list_refresh()
                    continue
                dirname = os.path.dirname(filepath)
                filename = os.path.basename(filepath)
                if not os.path.exists(dirname):
                    os.makedirs(dirname)
                # f = ffmpeg.Ffmpeg(video_url, os.path.basename(filepath), plugin_id=entity.entity_id, listener=self.ffmpeg_listener, call_plugin=self.P.package_name, save_path=dirname, headers=entity.headers)
                # print(filepath)
                # print(os.path.basename(filepath))
                # print(dirname)
                # aa_sm = get_model_setting("system", P.logger)
                P.logger.debug(P)
                # P.logger.debug(P.system_setting.get("port"))
                P.logger.debug(filename)
                # P.logger.debug(filepath)

                # SupportFfmpeg 초기화
                self.support_init()

                ffmpeg = SupportFfmpeg(
                    url=video_url,
                    filename=filename,
                    callback_function=self.callback_function,
                    headers=self.caller.headers,
                    max_pf_count=0,
                    save_path=ToolUtil.make_path(dirname),
                    timeout_minute=60,
                )
                #
                # todo: 임시로 start() 중지
                ffmpeg.start()
                self.current_ffmpeg_count += 1
                self.download_queue.task_done()

            except Exception as exception:
                self.P.logger.error("Exception:%s", exception)
                self.P.logger.error(traceback.format_exc())

    def callback_function(self, **args):
        refresh_type = None
        # entity = self.get_entity_by_entity_id(arg['plugin_id'])
        entity = self.get_entity_by_entity_id(args["data"]["callback_id"])

        if args["type"] == "status_change":
            if args["status"] == SupportFfmpeg.Status.DOWNLOADING:
                refresh_type = "status_change"
            elif args["status"] == SupportFfmpeg.Status.COMPLETED:
                logger.debug("ffmpeg_queue_v1.py:: download completed........")
                refresh_type = "status_change"
            elif args["status"] == SupportFfmpeg.Status.READY:
                data = {
                    "type": "info",
                    "msg": "다운로드중 Duration(%s)" % args["data"]["duration_str"]
                    + "<br>"
                    + args["data"]["save_fullpath"],
                    "url": "/ffmpeg/download/list",
                }
                socketio.emit("notify", data, namespace="/framework", broadcast=True)
                refresh_type = "add"
        elif args["type"] == "last":
            if args["status"] == SupportFfmpeg.Status.WRONG_URL:
                data = {"type": "warning", "msg": "잘못된 URL입니다"}
                socketio.emit("notify", data, namespace="/framework", broadcast=True)
                refresh_type = "add"
            elif args["status"] == SupportFfmpeg.Status.WRONG_DIRECTORY:
                data = {
                    "type": "warning",
                    "msg": "잘못된 디렉토리입니다.<br>" + args["data"]["save_fullpath"],
                }
                socketio.emit("notify", data, namespace="/framework", broadcast=True)
                refresh_type = "add"
            elif (
                args["status"] == SupportFfmpeg.Status.ERROR
                or args["status"] == SupportFfmpeg.Status.EXCEPTION
            ):
                data = {
                    "type": "warning",
                    "msg": "다운로드 시작 실패.<br>" + args["data"]["save_fullpath"],
                }
                socketio.emit("notify", data, namespace="/framework", broadcast=True)
                refresh_type = "add"
            elif args["status"] == SupportFfmpeg.Status.USER_STOP:
                data = {
                    "type": "warning",
                    "msg": "다운로드가 중지 되었습니다.<br>" + args["data"]["save_fullpath"],
                    "url": "/ffmpeg/download/list",
                }
                socketio.emit("notify", data, namespace="/framework", broadcast=True)
                refresh_type = "last"
            elif args["status"] == SupportFfmpeg.Status.COMPLETED:
                print("print():: ffmpeg download completed..")
                logger.debug("ffmpeg download completed......")
                entity.download_completed()
                data = {
                    "type": "success",
                    "msg": "다운로드가 완료 되었습니다.<br>" + args["data"]["save_fullpath"],
                    "url": "/ffmpeg/download/list",
                }

                socketio.emit("notify", data, namespace="/framework", broadcast=True)
                refresh_type = "last"
            elif args["status"] == SupportFfmpeg.Status.TIME_OVER:
                data = {
                    "type": "warning",
                    "msg": "시간초과로 중단 되었습니다.<br>" + args["data"]["save_fullpath"],
                    "url": "/ffmpeg/download/list",
                }
                socketio.emit("notify", data, namespace="/framework", broadcast=True)
                refresh_type = "last"
            elif args["status"] == SupportFfmpeg.Status.PF_STOP:
                data = {
                    "type": "warning",
                    "msg": "PF초과로 중단 되었습니다.<br>" + args["data"]["save_fullpath"],
                    "url": "/ffmpeg/download/list",
                }
                socketio.emit("notify", data, namespace="/framework", broadcast=True)
                refresh_type = "last"
            elif args["status"] == SupportFfmpeg.Status.FORCE_STOP:
                data = {
                    "type": "warning",
                    "msg": "강제 중단 되었습니다.<br>" + args["data"]["save_fullpath"],
                    "url": "/ffmpeg/download/list",
                }
                socketio.emit("notify", data, namespace="/framework", broadcast=True)
                refresh_type = "last"
            elif args["status"] == SupportFfmpeg.Status.HTTP_FORBIDDEN:
                data = {
                    "type": "warning",
                    "msg": "403에러로 중단 되었습니다.<br>" + args["data"]["save_fullpath"],
                    "url": "/ffmpeg/download/list",
                }
                socketio.emit("notify", data, namespace="/framework", broadcast=True)
                refresh_type = "last"
            elif args["status"] == SupportFfmpeg.Status.ALREADY_DOWNLOADING:
                data = {
                    "type": "warning",
                    "msg": "임시파일폴더에 파일이 있습니다.<br>" + args["data"]["temp_fullpath"],
                    "url": "/ffmpeg/download/list",
                }
                socketio.emit("notify", data, namespace="/framework", broadcast=True)
                refresh_type = "last"
        elif args["type"] == "normal":
            if args["status"] == SupportFfmpeg.Status.DOWNLOADING:
                refresh_type = "status"
        # P.logger.info(refresh_type)
        # Todo:
        self.caller.socketio_callback(refresh_type, args["data"])

    # def ffmpeg_listener(self, **arg):
    #     import ffmpeg
    #
    #     entity = self.get_entity_by_entity_id(arg["plugin_id"])
    #     if entity is None:
    #         return
    #     if arg["type"] == "status_change":
    #         if arg["status"] == ffmpeg.Status.DOWNLOADING:
    #             pass
    #         elif arg["status"] == ffmpeg.Status.COMPLETED:
    #             entity.download_completed()
    #         elif arg["status"] == ffmpeg.Status.READY:
    #             pass
    #     elif arg["type"] == "last":
    #         self.current_ffmpeg_count += -1
    #     elif arg["type"] == "log":
    #         pass
    #     elif arg["type"] == "normal":
    #         pass
    #
    #     entity.ffmpeg_arg = arg
    #     entity.ffmpeg_status = int(arg["status"])
    #     entity.ffmpeg_status_kor = str(arg["status"])
    #     entity.ffmpeg_percent = arg["data"]["percent"]
    #     entity.ffmpeg_arg["status"] = str(arg["status"])
    #     # self.P.logger.debug(arg)
    #     # import plugin
    #     # arg['status'] = str(arg['status'])
    #     # plugin.socketio_callback('status', arg)
    #     entity.refresh_status()
    #
    #     # FfmpegQueueEntity.static_index += 1
    #     # FfmpegQueueEntity.entity_list.append(self)

    def add_queue(self, entity):
        try:
            # entity = QueueEntity.create(info)
            # if entity is not None:
            #    LogicQueue.download_queue.put(entity)
            #    return True
            entity.entity_id = self.static_index
            self.static_index += 1
            self.entity_list.append(entity)
            self.download_queue.put(entity)
            return True
        except Exception as exception:
            self.P.logger.error("Exception:%s", exception)
            self.P.logger.error(traceback.format_exc())
        return False

    def set_max_ffmpeg_count(self, max_ffmpeg_count):
        self.max_ffmpeg_count = max_ffmpeg_count

    def get_max_ffmpeg_count(self):
        return self.max_ffmpeg_count

    def command(self, cmd, entity_id):
        self.P.logger.debug("command :%s %s", cmd, entity_id)
        ret = {}
        try:
            if cmd == "cancel":
                self.P.logger.debug("command :%s %s", cmd, entity_id)
                entity = self.get_entity_by_entity_id(entity_id)
                if entity is not None:
                    if entity.ffmpeg_status == -1:
                        entity.cancel = True
                        entity.ffmpeg_status_kor = "취소"
                        # entity.refresh_status()
                        ret["ret"] = "refresh"
                    elif entity.ffmpeg_status != 5:
                        ret["ret"] = "notify"
                        ret["log"] = "다운로드중 상태가 아닙니다."
                    else:
                        idx = entity.ffmpeg_arg["data"]["idx"]
                        import ffmpeg

                        ffmpeg.Ffmpeg.stop_by_idx(idx)
                        entity.refresh_status()
                        ret["ret"] = "refresh"
            elif cmd == "reset":
                if self.download_queue is not None:
                    with self.download_queue.mutex:
                        self.download_queue.queue.clear()
                    for _ in self.entity_list:
                        if _.ffmpeg_status == 5:
                            import ffmpeg

                            idx = _.ffmpeg_arg["data"]["idx"]
                            ffmpeg.Ffmpeg.stop_by_idx(idx)
                self.entity_list = []
                ret["ret"] = "refresh"
            elif cmd == "delete_completed":
                new_list = []
                for _ in self.entity_list:
                    if _.ffmpeg_status_kor in ["파일 있음", "취소", "사용자중지"]:
                        continue
                    if _.ffmpeg_status != 7:
                        new_list.append(_)
                self.entity_list = new_list
                ret["ret"] = "refresh"
            elif cmd == "remove":
                new_list = []
                for _ in self.entity_list:
                    if _.entity_id == entity_id:
                        continue
                    new_list.append(_)
                self.entity_list = new_list
                ret["ret"] = "refresh"
            return ret
        except Exception as exception:
            self.P.logger.error("Exception:%s", exception)
            self.P.logger.error(traceback.format_exc())

    def get_entity_by_entity_id(self, entity_id):
        for _ in self.entity_list:
            if _.entity_id == int(entity_id):
                return _
        return None

    def get_entity_list(self):
        ret = []
        P.logger.debug(self)
        for x in self.entity_list:
            tmp = x.as_dict()
            ret.append(tmp)
        return ret