""" eBot
Copyright (C) 2022  Eriks K

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 3 of the License.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.
"""

import logging
from datetime import datetime
from operator import attrgetter
from typing import Any, Dict, List, NamedTuple, NoReturn, Optional, Tuple, Union

from erepublik._logging import ErepublikErrorHTTTPHandler
from erepublik.classes import ErepublikException
from erepublik.constants import max_datetime

DMG_MAP: Dict[int, Tuple[int, int]] = {
    1: (6_000_000, 12_000_000),
    2: (12_000_000, 18_000_000),
    3: (18_000_000, 24_000_000),
    4: (60_000_000, 90_000_000),
    11: (80_000, 100_000),
}


class _EmptyMedal:
    def __init__(
        self,
        time: datetime,
        battle_id: int,
        division_id: int,
        defender_side: bool,
        zone: int,
        second_attempt: bool = False,
    ):
        self.time: datetime = time
        self.division_id: int = division_id
        self.battle_id: int = battle_id
        self.defender_side: bool = bool(defender_side)
        self.round: int = zone
        self.second_attempt: bool = second_attempt

    @property
    def _sort_sequence(self):
        return self.time, not self.defender_side, -self.round, self.battle_id, self.division_id

    def __hash__(self):
        return hash((self.battle_id, self.division_id))

    @property
    def __dict__(self):
        return dict(
            time=self.time,
            battle_id=self.battle_id,
            division_id=self.division_id,
            round=self.round,
            defender_side=self.defender_side,
            second_attempt=self.second_attempt,
        )

    def __repr__(self):
        return self.__str__()

    def __str__(self):
        return (
            f"_EmptyMedal(time={self.time.strftime('%F %T')}, battle_id={self.battle_id}, "
            f"division_id={self.division_id}, defender_side={self.defender_side}, round={self.round})"
        )

    def __eq__(self, other):
        try:
            return (self.battle_id, self.division_id) == (other.battle_id, other.division_id)
        except AttributeError:
            return False

    def __ne__(self, other):
        try:
            return not self.__eq__(other)
        except AttributeError:
            return True

    @property
    def as_dict(self):
        return self.__dict__


class Task(NamedTuple):
    name: str
    time: datetime
    priority: bool = False

    def __repr__(self):
        return f"{self.time.strftime('%F %T')} {self.human_name}" + (" (P)" if self.priority else "")

    @property
    def human_name(self) -> str:
        return " ".join(self.name.split("_")).capitalize()


class Tasks:
    __storage: List[Task]

    _defaults: Dict[str, any]

    def __repr__(self):
        return f"<class Tasks: {len(self.__storage)} in queue>"

    def __init__(self):
        self.__storage = []
        self._defaults = {}

    def __getitem__(self, key: Union[str, int]) -> Optional[Task]:
        try:
            if isinstance(key, int):
                return self.__storage[key]
            for task in self.__storage:
                if task.name == key:
                    return task
        except IndexError:
            return Task("Do nothing", max_datetime)

    def __setitem__(self, key: Union[str, int], value: Union[datetime, Tuple[datetime, bool]]) -> NoReturn:
        priority = False
        if isinstance(value, tuple):
            value, priority = value
        if isinstance(key, int) and isinstance(value, datetime):
            old_item = self.__storage.pop(key)
            item = Task(old_item.name, value, priority)
        elif isinstance(key, str) and isinstance(value, datetime):
            item = Task(key, value, priority)
            task_idx = self.__get_key_index(key)
            if task_idx is not None:
                self.__storage.pop(task_idx)
        else:
            raise TypeError(
                f"key, value pairs must be of types (int, datetime) or (str, datetime) "
                f"not ({type(key)}, {type(value)})"
            )
        self.__storage.append(item)

    def __get_key_index(self, key: str) -> Optional[int]:
        for idx, task in enumerate(self.__storage):
            if task.name == key:
                return idx
        return None

    def append(self, __object: Task) -> None:
        if not isinstance(__object, Task):
            raise TypeError(f"object must be of instance Task, not {type(__object)}")

        self.__storage.append(__object)

    def sort(self) -> NoReturn:
        self.__storage.sort(key=attrgetter("name"))
        self.__storage.sort(key=attrgetter("priority"), reverse=True)
        self.__storage.sort(key=attrgetter("time"))

    def pop(self, key: str) -> Optional[Task]:
        _idx = self.__get_key_index(key)
        if isinstance(_idx, int):
            return self.__storage.pop(_idx)
        else:
            return

    def __iter__(self):
        for task in self.__storage:
            yield task

    def set_default(self, key: str, value: Any) -> NoReturn:
        self._defaults[key] = value

    def get_default(self, key: str, default: Any = None) -> Any:
        return self._defaults.get(key, default)

    @property
    def as_dict(self):
        return {"tasks": self.__storage, "defaults": self._defaults}


class BotStop(SystemExit):
    pass


class BotRestart(ErepublikException):
    pass


class EbotErrorHttpHandler(ErepublikErrorHTTTPHandler):
    def __init__(self):
        logging.Handler.__init__(self, level=logging.ERROR)
        self._reporter = None
        self.host = "erep.lv"
        self.url = "/ebot/error/"
        self.method = "POST"
        self.secure = True
        self.credentials = ("0", "changeme")
        self.context = None

    def _get_last_response(self):
        return {}

    def _get_instance_json(self):
        return ""