import re
from aiogram import types
from bot.db import db, DBTables
from bot.utils.cooldown import throttle
from bot.modules.api.txt2img import txt2img
from bot.modules.api.objects.get_prompt import get_prompt
from bot.modules.api.objects.prompt_request import Generated
from bot.modules.api.status import wait_for_status
from bot.keyboards.exception import get_exception_keyboard
from bot.keyboards.image_info import get_img_info_keyboard
from bot.utils.trace_exception import PrettyException
from aiohttp import ClientConnectorError


@throttle(cooldown=30, admin_ids=db[DBTables.config].get('admins'))
async def generate_command(message: types.Message):
    temp_message = await message.reply("⏳ Enqueued...")

    try:
        prompt = get_prompt(user_id=message.from_id,
                            prompt_string=message.get_args())
    except AttributeError:
        await temp_message.edit_text(f"You didn't created any prompt. Specify prompt text at least first time. "
                                     f"For example, it can be: <code>masterpiece, best quality, 1girl, white hair, "
                                     f"medium hair, cat ears, closed eyes, looking at viewer, :3, cute, scarf, jacket, "
                                     f"outdoors, streets</code>", parse_mode='HTML')
        return

    try:
        db[DBTables.queue]['n'] = db[DBTables.queue].get('n', 0) + 1
        await temp_message.edit_text(f"⏳ Enqueued in position {db[DBTables.queue].get('n', 0)}...")

        await wait_for_status()

        await temp_message.edit_text(f"⌛ Generating...")
        image = await txt2img(prompt)
        image_message = await message.reply_photo(photo=image[0])

        db[DBTables.queue]['n'] = db[DBTables.queue].get('n', 1) - 1
        db[DBTables.generated][image_message.photo[0].file_unique_id] = Generated(
            prompt=prompt,
            seed=image[1]['seed'],
            model=re.search(r", Model: ([^,]+),", image[1]['infotexts'][0]).groups()[0]
        )

        await message.reply('Here is your image',
                            reply_markup=get_img_info_keyboard(image_message.photo[0].file_unique_id))

        await temp_message.delete()

        await db[DBTables.config].write()

    except ClientConnectorError:
        await message.reply('❌ Error! Maybe, StableDiffusion API endpoint is incorrect '
                            'or turned off')
        await temp_message.delete()
        db[DBTables.queue]['n'] = db[DBTables.queue].get('n', 1) - 1
        return

    except ValueError as e:
        await message.reply(f'❌ Error! {e.args[0]}')
        await temp_message.delete()
        db[DBTables.queue]['n'] = db[DBTables.queue].get('n', 1) - 1
        return

    except Exception as e:
        exception_id = f'{message.message_thread_id}-{message.message_id}'
        db[DBTables.exceptions][exception_id] = PrettyException(e)
        await message.reply('❌ Error happened while processing your request', parse_mode='html',
                            reply_markup=get_exception_keyboard(exception_id))
        await temp_message.delete()
        db[DBTables.queue]['n'] = db[DBTables.queue].get('n', 1) - 1
        return