"""
MIT License

Copyright (c) 2021 TheHamkerCat

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 asyncio
from traceback import format_exc as err

from pyrogram import filters
from pyrogram.types import (CallbackQuery, ChatPermissions,
                            InlineKeyboardButton, InlineKeyboardMarkup,
                            Message)

from wbb import BOT_ID, SUDOERS, app
from wbb.core.decorators.errors import capture_err
from wbb.core.keyboard import ikb
from wbb.utils.dbfunctions import (add_warn, get_warn, int_to_alpha,
                                   remove_warns)
from wbb.utils.functions import extract_user, extract_user_and_reason

__MODULE__ = "Admin"
__HELP__ = """/ban - Ban A User
/unban - Unban A User
/warn - Warn A User
/rmwarn - Remove 1 Warning Of A User
/rmwarns - Remove All Warning of A User
/warns - Show Warning Of A User
/kick - Kick A User
/purge - Purge Messages
/del - Delete Replied Message
/promote - Promote A Member
/demote - Demote A Member
/pin - Pin A Message
/mute - Mute A User
/unmute - Unmute A User
/ban_ghosts - Ban Deleted Accounts
/report | @admins - Report A Message To Admins."""


async def member_permissions(chat_id: int, user_id: int):
    perms = []
    try:
        member = await app.get_chat_member(chat_id, user_id)
    except Exception:
        return []
    if member.can_post_messages:
        perms.append("can_post_messages")
    if member.can_edit_messages:
        perms.append("can_edit_messages")
    if member.can_delete_messages:
        perms.append("can_delete_messages")
    if member.can_restrict_members:
        perms.append("can_restrict_members")
    if member.can_promote_members:
        perms.append("can_promote_members")
    if member.can_change_info:
        perms.append("can_change_info")
    if member.can_invite_users:
        perms.append("can_invite_users")
    if member.can_pin_messages:
        perms.append("can_pin_messages")
    if member.can_manage_voice_chats:
        perms.append("can_manage_voice_chats")
    return perms


from wbb.core.decorators.permissions import adminsOnly


async def list_admins(chat_id: int):
    return [
        member.user.id
        async for member in app.iter_chat_members(
            chat_id, filter="administrators"
        )
    ]


async def current_chat_permissions(chat_id):
    perms = []
    perm = (await app.get_chat(chat_id)).permissions
    if perm.can_send_messages:
        perms.append("can_send_messages")
    if perm.can_send_media_messages:
        perms.append("can_send_media_messages")
    if perm.can_send_stickers:
        perms.append("can_send_stickers")
    if perm.can_send_animations:
        perms.append("can_send_animations")
    if perm.can_send_games:
        perms.append("can_send_games")
    if perm.can_use_inline_bots:
        perms.append("can_use_inline_bots")
    if perm.can_add_web_page_previews:
        perms.append("can_add_web_page_previews")
    if perm.can_send_polls:
        perms.append("can_send_polls")
    if perm.can_change_info:
        perms.append("can_change_info")
    if perm.can_invite_users:
        perms.append("can_invite_users")
    if perm.can_pin_messages:
        perms.append("can_pin_messages")

    return perms


# Get List Of Members In A Chat


async def list_members(group_id):
    list_of_members = []
    async for member in app.iter_chat_members(group_id):
        list_of_members.append(member.user.id)
    return list_of_members


# Purge Messages


@app.on_message(filters.command("purge") & ~filters.edited)
@adminsOnly("can_delete_messages")
async def purgeFunc(client, message: Message):
    chat_id = message.chat.id
    message_ids = []
    if message.chat.type not in ("supergroup", "channel"):
        return
    if not message.reply_to_message:
        return await message.reply_text(
            "Reply to a message to delete from, don't make fun of yourself!"
        )
    await message.delete()
    for a_s_message_id in range(
        message.reply_to_message.message_id, message.message_id
    ):
        message_ids.append(a_s_message_id)
        if len(message_ids) == 100:
            await client.delete_messages(
                chat_id=chat_id,
                message_ids=message_ids,
                revoke=True,
            )
            message_ids = []
    if len(message_ids) > 0:
        await client.delete_messages(
            chat_id=chat_id, message_ids=message_ids, revoke=True
        )


# Kick members


@app.on_message(filters.command("kick") & ~filters.edited)
@adminsOnly("can_restrict_members")
async def kickFunc(_, message: Message):
    user_id, reason = await extract_user_and_reason(message)
    if not user_id:
        return await message.reply_text("I can't find that user.")
    if user_id == BOT_ID:
        return await message.reply_text(
            "I can't kick myself, i can leave if you want."
        )
    if user_id in SUDOERS:
        return await message.reply_text("You Wanna Kick The Elevated One?")
    if user_id in (await list_admins(message.chat.id)):
        return await message.reply_text(
            "I can't kick an admin, You know the rules, so do i."
        )
    mention = (await app.get_users(user_id)).mention
    msg = f"""
**Kicked User:** {mention}
**Kicked By:** {message.from_user.mention if message.from_user else 'Anon'}
**Reason:** {reason or 'No Reason Provided.'}"""
    await message.chat.kick_member(user_id)
    await message.reply_text(msg)
    await asyncio.sleep(1)
    await message.chat.unban_member(user_id)


# Ban members


@app.on_message(filters.command("ban") & ~filters.edited)
@adminsOnly("can_restrict_members")
async def banFunc(_, message: Message):
    user_id, reason = await extract_user_and_reason(message)
    if not user_id:
        return await message.reply_text("I can't find that user.")
    if user_id == BOT_ID:
        return await message.reply_text(
            "I can't ban myself, i can leave if you want."
        )
    if user_id in SUDOERS:
        return await message.reply_text(
            "You Wanna Ban The Elevated One?, RECONSIDER!"
        )
    if user_id in (await list_admins(message.chat.id)):
        return await message.reply_text(
            "I can't ban an admin, You know the rules, so do i."
        )
    mention = (await app.get_users(user_id)).mention
    msg = f"""
**Banned User:** {mention}
**Banned By:** {message.from_user.mention if message.from_user else 'Anon'}
**Reason:** {reason or 'No Reason Provided.'}"""
    await message.chat.kick_member(user_id)
    await message.reply_text(msg)


# Unban members


@app.on_message(filters.command("unban") & ~filters.edited)
@adminsOnly("can_restrict_members")
async def unbanFunc(_, message: Message):
    # we don't need reasons for unban, also, we
    # don't need to get "text_mention" entity, because
    # normal users won't get text_mention if the the user
    # they want to unban is not in the group.
    if len(message.command) == 2:
        user = message.text.split(None, 1)[1]
    elif len(message.command) == 1 and message.reply_to_message:
        user = message.reply_to_message.from_user.id
    else:
        return await message.reply_text(
            "Provide a username or reply to a user's message to unban."
        )
    await message.chat.unban_member(user)
    await message.reply_text("Unbanned!")


# Delete messages


@app.on_message(filters.command("del") & ~filters.edited)
@adminsOnly("can_delete_messages")
async def deleteFunc(_, message: Message):
    if not message.reply_to_message:
        return await message.reply_text("Reply To A Message To Delete It")
    await message.reply_to_message.delete()
    await message.delete()


# Promote Members


@app.on_message(filters.command("promote") & ~filters.edited)
@adminsOnly("can_promote_members")
async def promoteFunc(_, message: Message):
    user_id = await extract_user(message)
    if not user_id:
        return await message.reply_text("I can't find that user.")
    bot = await app.get_chat_member(message.chat.id, BOT_ID)
    if user_id == BOT_ID:
        return await message.reply_text("I can't promote myself.")
    if not bot.can_promote_members:
        return await message.reply_text("I don't have enough permissions")
    await message.chat.promote_member(
        user_id=user_id,
        can_change_info=bot.can_change_info,
        can_invite_users=bot.can_invite_users,
        can_delete_messages=bot.can_delete_messages,
        can_restrict_members=False,
        can_pin_messages=bot.can_pin_messages,
        can_promote_members=bot.can_promote_members,
        can_manage_chat=bot.can_manage_chat,
        can_manage_voice_chats=bot.can_manage_voice_chats,
    )
    await message.reply_text("Promoted!")


# Demote Member


@app.on_message(filters.command("demote") & ~filters.edited)
@adminsOnly("can_promote_members")
async def demote(_, message: Message):
    user_id = await extract_user(message)
    if not user_id:
        return await message.reply_text("I can't find that user.")
    if user_id == BOT_ID:
        return await message.reply_text("I can't demote myself.")
    if user_id in SUDOERS:
        return await message.reply_text(
            "You wanna demote the elevated one?, RECONSIDER!"
        )
    if user_id in (await list_admins(message.chat.id)):
        return await message.reply_text(
            "I can't demote an admin, You know the rules, so do i."
        )
    await message.chat.promote_member(
        user_id=user_id,
        can_change_info=False,
        can_invite_users=False,
        can_delete_messages=False,
        can_restrict_members=False,
        can_pin_messages=False,
        can_promote_members=False,
        can_manage_chat=False,
        can_manage_voice_chats=False,
    )
    await message.reply_text("Demoted!")


# Pin Messages


@app.on_message(filters.command("pin") & ~filters.edited)
@adminsOnly("can_pin_messages")
async def pin(_, message: Message):
    if not message.reply_to_message:
        return await message.reply_text("Reply to a message to pin it.")
    await message.reply_to_message.pin(disable_notification=True)


# Mute members


@app.on_message(filters.command("mute") & ~filters.edited)
@adminsOnly("can_restrict_members")
async def mute(_, message: Message):
    user_id, reason = await extract_user_and_reason(message)
    if not user_id:
        return await message.reply_text("I can't find that user.")
    if user_id == BOT_ID:
        return await message.reply_text("I can't mute myself.")
    if user_id in SUDOERS:
        return await message.reply_text(
            "You wanna mute the elevated one?, RECONSIDER!"
        )
    if user_id in (await list_admins(message.chat.id)):
        return await message.reply_text(
            "I can't mute an admin, You know the rules, so do i."
        )
    await message.chat.restrict_member(user_id, permissions=ChatPermissions())
    mention = (await app.get_users(user_id)).mention
    keyboard = ikb([[("🚨   Unmute   🚨", f"unmute_{user_id}")]])
    msg = f"""
**Muted User:** {mention}
**Muted By:** {message.from_user.mention if message.from_user else 'Anon'}
**Reason:** {reason or 'No Reason Provided.'}"""
    await message.reply_text(msg, reply_markup=keyboard)


# Unmute members


@app.on_message(filters.command("unmute") & ~filters.edited)
@adminsOnly("can_restrict_members")
async def unmute(_, message: Message):
    user_id = await extract_user(message)
    if not user_id:
        return await message.reply_text("I can't find that user.")
    await message.chat.unban_member(user_id)
    await message.reply_text("Unmuted!")


# Ban deleted accounts


@app.on_message(filters.command("ban_ghosts"))
@adminsOnly("can_restrict_members")
async def ban_deleted_accounts(_, message: Message):
    chat_id = message.chat.id
    deleted_users = []
    banned_users = 0
    async for i in app.iter_chat_members(chat_id):
        if i.user.is_deleted:
            deleted_users.append(i.user.id)
    if len(deleted_users) > 0:
        for deleted_user in deleted_users:
            try:
                await message.chat.kick_member(deleted_user)
            except Exception:
                pass
            banned_users += 1
        await message.reply_text(f"Banned {banned_users} Deleted Accounts")
    else:
        await message.reply_text("There are no deleted accounts in this chat")


@app.on_message(filters.command("warn") & ~filters.edited)
@adminsOnly("can_restrict_members")
async def warn_user(_, message: Message):
    user_id, reason = await extract_user_and_reason(message)
    chat_id = message.chat.id
    if not user_id:
        return await message.reply_text("I can't find that user.")
    if user_id == BOT_ID:
        return await message.reply_text(
            "I can't warn myself, i can leave if you want."
        )
    if user_id in SUDOERS:
        return await message.reply_text(
            "You Wanna Warn The Elevated One?, RECONSIDER!"
        )
    if user_id in (await list_admins(chat_id)):
        return await message.reply_text(
            "I can't warn an admin, You know the rules, so do i."
        )
    if user_id not in (await list_members(chat_id)):
        return await message.reply_text("This user isn't here.")
    user, warns = await asyncio.gather(
        app.get_users(user_id), get_warn(chat_id, await int_to_alpha(user_id))
    )
    mention = user.mention
    keyboard = ikb([[("🚨  Remove Warn  🚨", f"unwarn_{user_id}")]])
    if warns:
        warns = warns["warns"]
    else:
        warns = 0
    if warns >= 2:
        _, __, alpha = await asyncio.gather(
            message.chat.kick_member(user_id),
            message.reply_text(
                "Number of warns of {mention} exceeded, BANNED!"
            ),
            int_to_alpha(user_id),
        )
        await remove_warns(chat_id, alpha)
    else:
        warn = {"warns": warns + 1}
        msg = f"""
**Warned User:** {mention}
**Warned By:** {message.from_user.mention if message.from_user else 'Anon'}
**Reason:** {reason or 'No Reason Provided.'}
**Warns:** {warns + 1}/3"""
        await message.reply_text(msg, reply_markup=keyboard)
        await add_warn(chat_id, await int_to_alpha(user_id), warn)


@app.on_callback_query(filters.regex("unwarn_"))
async def remove_warning(_, cq: CallbackQuery):
    from_user = cq.from_user
    chat_id = cq.message.chat.id
    permissions = await member_permissions(chat_id, from_user.id)
    permission = "can_restrict_members"
    if permission not in permissions:
        return await cq.answer(
            "You don't have enough permissions to perform this action.\n"
            + f"Permission needed: {permission}",
            show_alert=True,
        )
    user_id = cq.data.split("_")[1]
    warns = await get_warn(chat_id, await int_to_alpha(user_id))
    if warns:
        warns = warns["warns"]
    if not warns or warns == 0:
        return await cq.answer("User has no warnings.")
    warn = {"warns": warns - 1}
    await add_warn(chat_id, await int_to_alpha(user_id), warn)
    text = cq.message.text.markdown
    text = f"~~{text}~~\n\n"
    text += f"__Warn removed by {from_user.mention}__"
    await cq.message.edit(text)


# Rmwarns


@app.on_message(filters.command("rmwarns") & ~filters.edited)
@adminsOnly("can_restrict_members")
async def remove_warnings(_, message: Message):
    if not message.reply_to_message:
        return await message.reply_text(
            "Reply to a message to remove a user's warnings."
        )
    user_id = message.reply_to_message.from_user.id
    mention = message.reply_to_message.from_user.mention
    chat_id = message.chat.id
    warns = await get_warn(chat_id, await int_to_alpha(user_id))
    if warns:
        warns = warns["warns"]
    if warns == 0 or not warns:
        await message.reply_text(f"{mention} have no warnings.")
    else:
        await remove_warns(chat_id, await int_to_alpha(user_id))
        await message.reply_text(f"Removed warnings of {mention}.")


# Warns


@app.on_message(filters.command("warns") & ~filters.edited)
@capture_err
async def check_warns(_, message: Message):
    user_id = await extract_user(message)
    if not user_id:
        return await message.reply_text("I can't find that user.")
    warns = await get_warn(message.chat.id, await int_to_alpha(user_id))
    mention = (await app.get_users(user_id)).mention
    if warns:
        warns = warns["warns"]
    else:
        return await message.reply_text(f"{mention} has no warnings.")
    return await message.reply_text(f"{mention} has {warns}/3 warnings.")


# Report


@app.on_message(
    filters.command(["report", "admins"], prefixes=["@", "/"])
    & ~filters.edited
)
@capture_err
async def report_user(_, message):
    if not message.reply_to_message:
        return await message.reply_text("Reply to a message to report user.")
    list_of_admins = await list_admins(message.chat.id)
    user_mention = message.reply_to_message.from_user.mention
    text = f"Reported {user_mention} to admins."
    for admin in list_of_admins:
        text += f"[\u2063](tg://user?id={admin})"
    await message.reply_text(text)