#  Moon-Userbot - telegram userbot
#  Copyright (C) 2020-present Moon Userbot Organization
#
#  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, either version 3 of the License, or
#  (at your option) any later version.

#  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/>.

from pyrogram import Client, errors, filters
from pyrogram.types import Message
from utils.db import db
from utils.handlers import NoteSendHandler
from utils.misc import modules_help, prefix


@Client.on_message(filters.command(['save'], prefix) & filters.me)
async def save_note(client: Client, message: Message):
    await message.edit('<b>Loading...</b>')

    try:
        chat = await client.get_chat(db.get('core.notes', 'chat_id', 0))
    except (errors.RPCError, ValueError, KeyError):
        # group is not accessible or isn't created
        chat = await client.create_supergroup('Userbot_Notes_Filters', "Don't touch this group, please")
        db.set('core.notes', 'chat_id', chat.id)

    chat_id = chat.id

    if message.reply_to_message and len(message.text.split()) >= 2:
        note_name = message.text.split(maxsplit=1)[1]
        if message.reply_to_message.media_group_id:
            checking_note = db.get('core.notes', f'note{note_name}', False)
            if not checking_note:
                get_media_group = [
                    _.id for _ in await client.get_media_group(message.chat.id, message.reply_to_message.id)
                ]
                try:
                    message_id = await client.forward_messages(chat_id, message.chat.id, get_media_group)
                except errors.ChatForwardsRestricted:
                    await message.edit(
                        '<b>Forwarding messages is restricted by chat admins</b>',
                    )
                    return
                note = {
                    'MESSAGE_ID': str(message_id[1].id),
                    'MEDIA_GROUP': True,
                    'CHAT_ID': str(chat_id),
                }
                db.set('core.notes', f'note{note_name}', note)
                await message.edit(f'<b>Note {note_name} saved</b>')
            else:
                await message.edit('<b>This note already exists</b>')
        else:
            checking_note = db.get('core.notes', f'note{note_name}', False)
            if not checking_note:
                try:
                    message_id = await message.reply_to_message.forward(chat_id)
                except errors.ChatForwardsRestricted:
                    message_id = await message.copy(chat_id)
                note = {
                    'MEDIA_GROUP': False,
                    'MESSAGE_ID': str(message_id.id),
                    'CHAT_ID': str(chat_id),
                }
                db.set('core.notes', f'note{note_name}', note)
                await message.edit(f'<b>Note {note_name} saved</b>')
            else:
                await message.edit('<b>This note already exists</b>')
    elif len(message.text.split()) >= 3:
        note_name = message.text.split(maxsplit=1)[1].split()[0]
        checking_note = db.get('core.notes', f'note{note_name}', False)
        if not checking_note:
            message_id = await client.send_message(chat_id, message.text.split(note_name)[1].strip())
            note = {
                'MEDIA_GROUP': False,
                'MESSAGE_ID': str(message_id.id),
                'CHAT_ID': str(chat_id),
            }
            db.set('core.notes', f'note{note_name}', note)
            await message.edit(f'<b>Note {note_name} saved</b>')
        else:
            await message.edit('<b>This note already exists</b>')
    else:
        await message.edit(
            f'<b>Example: <code>{prefix}save note_name</code></b>',
        )


@Client.on_message(filters.command('note', prefix) & filters.me)
async def note_send(client: Client, message: Message):
    handler = NoteSendHandler(client, message)
    await handler.handle_note_send()


@Client.on_message(filters.command(['notes'], prefix) & filters.me)
async def notes(_, message: Message):
    await message.edit('<b>Loading...</b>')
    text = 'Available notes:\n\n'
    collection = db.get_collection('core.notes')
    for note in collection.keys():
        if note[:4] == 'note':
            text += f'<code>{note[4:]}</code>\n'
    await message.edit(text)


@Client.on_message(filters.command(['clear'], prefix) & filters.me)
async def clear_note(_, message: Message):
    if len(message.text.split()) >= 2:
        note_name = message.text.split(maxsplit=1)[1]
        find_note = db.get('core.notes', f'note{note_name}', False)
        if find_note:
            db.remove('core.notes', f'note{note_name}')
            await message.edit(f'<b>Note {note_name} deleted</b>')
        else:
            await message.edit('<b>There is no such note</b>')
    else:
        await message.edit(f'<b>Example: <code>{prefix}clear note_name</code></b>')


modules_help['notes'] = {
    'save [name]*': 'Save note',
    'note [name]*': 'Get saved note',
    'notes': 'Get note list',
    'clear [name]*': 'Delete note',
}