"""
MIT License

Copyright (c) 2022 Aʙɪsʜɴᴏɪ

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
"""

import threading

from sqlalchemy import Boolean, Column, UnicodeText

from Database.sql import BASE, SESSION


class CleanerBlueTextChatSettings(BASE):
    __tablename__ = "cleaner_bluetext_chat_setting"
    chat_id = Column(UnicodeText, primary_key=True)
    is_enable = Column(Boolean, default=False)

    def __init__(self, chat_id, is_enable):
        self.chat_id = chat_id
        self.is_enable = is_enable

    def __repr__(self):
        return "ᴄʟᴇᴀɴ ʙʟᴜᴇ ᴛᴇxᴛ ғᴏʀ {}".format(self.chat_id)


class CleanerBlueTextChat(BASE):
    __tablename__ = "cleaner_bluetext_chat_ignore_commands"
    chat_id = Column(UnicodeText, primary_key=True)
    command = Column(UnicodeText, primary_key=True)

    def __init__(self, chat_id, command):
        self.chat_id = chat_id
        self.command = command


class CleanerBlueTextGlobal(BASE):
    __tablename__ = "cleaner_bluetext_global_ignore_commands"
    command = Column(UnicodeText, primary_key=True)

    def __init__(self, command):
        self.command = command


CleanerBlueTextChatSettings.__table__.create(checkfirst=True)
CleanerBlueTextChat.__table__.create(checkfirst=True)
CleanerBlueTextGlobal.__table__.create(checkfirst=True)

CLEANER_CHAT_SETTINGS = threading.RLock()
CLEANER_CHAT_LOCK = threading.RLock()
CLEANER_GLOBAL_LOCK = threading.RLock()

CLEANER_CHATS = {}
GLOBAL_IGNORE_COMMANDS = set()


def set_cleanbt(chat_id, is_enable):
    with CLEANER_CHAT_SETTINGS:
        curr = SESSION.query(CleanerBlueTextChatSettings).get(str(chat_id))

        if not curr:
            curr = CleanerBlueTextChatSettings(str(chat_id), is_enable)
        else:
            curr.is_enabled = is_enable

        if str(chat_id) not in CLEANER_CHATS:
            CLEANER_CHATS.setdefault(
                str(chat_id), {"setting": False, "commands": set()}
            )

        CLEANER_CHATS[str(chat_id)]["setting"] = is_enable

        SESSION.add(curr)
        SESSION.commit()


def chat_ignore_command(chat_id, ignore):
    ignore = ignore.lower()
    with CLEANER_CHAT_LOCK:
        ignored = SESSION.query(CleanerBlueTextChat).get((str(chat_id), ignore))

        if not ignored:
            if str(chat_id) not in CLEANER_CHATS:
                CLEANER_CHATS.setdefault(
                    str(chat_id), {"setting": False, "commands": set()}
                )

            CLEANER_CHATS[str(chat_id)]["commands"].add(ignore)

            ignored = CleanerBlueTextChat(str(chat_id), ignore)
            SESSION.add(ignored)
            SESSION.commit()
            return True
        SESSION.close()
        return False


def chat_unignore_command(chat_id, unignore):
    unignore = unignore.lower()
    with CLEANER_CHAT_LOCK:
        unignored = SESSION.query(CleanerBlueTextChat).get((str(chat_id), unignore))

        if unignored:
            if str(chat_id) not in CLEANER_CHATS:
                CLEANER_CHATS.setdefault(
                    str(chat_id), {"setting": False, "commands": set()}
                )
            if unignore in CLEANER_CHATS.get(str(chat_id)).get("commands"):
                CLEANER_CHATS[str(chat_id)]["commands"].remove(unignore)

            SESSION.delete(unignored)
            SESSION.commit()
            return True

        SESSION.close()
        return False


def global_ignore_command(command):
    command = command.lower()
    with CLEANER_GLOBAL_LOCK:
        ignored = SESSION.query(CleanerBlueTextGlobal).get(str(command))

        if not ignored:
            GLOBAL_IGNORE_COMMANDS.add(command)

            ignored = CleanerBlueTextGlobal(str(command))
            SESSION.add(ignored)
            SESSION.commit()
            return True

        SESSION.close()
        return False


def global_unignore_command(command):
    command = command.lower()
    with CLEANER_GLOBAL_LOCK:
        unignored = SESSION.query(CleanerBlueTextGlobal).get(str(command))

        if unignored:
            if command in GLOBAL_IGNORE_COMMANDS:
                GLOBAL_IGNORE_COMMANDS.remove(command)

            SESSION.delete(command)
            SESSION.commit()
            return True

        SESSION.close()
        return False


def is_command_ignored(chat_id, command):
    if command.lower() in GLOBAL_IGNORE_COMMANDS:
        return True

    if str(chat_id) in CLEANER_CHATS and command.lower() in CLEANER_CHATS.get(
        str(chat_id)
    ).get("commands"):
        return True

    return False


def is_enabled(chat_id):
    if str(chat_id) in CLEANER_CHATS:
        return CLEANER_CHATS.get(str(chat_id)).get("setting")

    return False


def get_all_ignored(chat_id):
    if str(chat_id) in CLEANER_CHATS:
        LOCAL_IGNORE_COMMANDS = CLEANER_CHATS.get(str(chat_id)).get("commands")
    else:
        LOCAL_IGNORE_COMMANDS = set()

    return GLOBAL_IGNORE_COMMANDS, LOCAL_IGNORE_COMMANDS


def __load_cleaner_list():
    global GLOBAL_IGNORE_COMMANDS
    global CLEANER_CHATS

    try:
        GLOBAL_IGNORE_COMMANDS = {
            x.command for x in SESSION.query(CleanerBlueTextGlobal).all()
        }
    finally:
        SESSION.close()

    try:
        for x in SESSION.query(CleanerBlueTextChatSettings).all():
            CLEANER_CHATS.setdefault(x.chat_id, {"setting": False, "commands": set()})
            CLEANER_CHATS[x.chat_id]["setting"] = x.is_enable
    finally:
        SESSION.close()

    try:
        for x in SESSION.query(CleanerBlueTextChat).all():
            CLEANER_CHATS.setdefault(x.chat_id, {"setting": False, "commands": set()})
            CLEANER_CHATS[x.chat_id]["commands"].add(x.command)
    finally:
        SESSION.close()


__load_cleaner_list()