import logging
import requests
import json
import os
from telegram import Update, ReplyKeyboardMarkup
from telegram.ext import ApplicationBuilder, ContextTypes, CommandHandler, MessageHandler, ConversationHandler, filters
from dotenv import load_dotenv

logging.basicConfig(
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
    level=logging.INFO
)

logger = logging.getLogger(__name__)

load_dotenv()
bot_token = os.getenv('BOT_TOKEN')
ya_token = os.getenv('YA_TOKEN')
whitelisted = os.getenv('WHITELISTED')

ya_url = 'https://partner2.yandex.ru/api/statistics2/get.json'
msg_to_period = {
    "Сегодня": "today",
    "Вчера": "yesterday",
    "Месяц": "30days"
}


async def start(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
    if update.effective_user.username not in whitelisted:
        await update.message.reply_text("Запрет")
        return ConversationHandler.END
    reply_keyboard = [["Сегодня", "Вчера", "Месяц"]]
    await update.message.reply_text("Какую стату вывести", reply_markup=ReplyKeyboardMarkup(reply_keyboard))
    return 0


async def ya_api(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
    reply = await fetch_data(update.message.text)
    await update.message.reply_text(reply)
    return 0


async def fetch_data(msg_period: str) -> str:
    response = requests.get(ya_url, headers={'Authorization': ya_token}, params={
        'lang': 'ru',
        'period': msg_to_period[msg_period],
        'field': ['shows', 'hits_render', 'partner_wo_nds', 'cpmv_partner_wo_nds']
    })
    json_data = json.loads(response.text)
    data = json_data['data']['totals']['2'][0]
    return f"Данные за {msg_period}\n\n\
    Подборы рекламы: {data['hits_render']}\n\
    Видимые показы: {data['shows']}\n\
    Вознаграждение партнеру за рекламу: {data['partner_wo_nds']} руб.\n\
    Стоимость 1к видимых показов: {data['cpmv_partner_wo_nds']} руб."


async def cancel(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
    await update.message.reply_text("домой")
    return ConversationHandler.END


if __name__ == '__main__':
    if ya_token is None:
        logger.fatal("YA_TOKEN env variable is required")
        exit(1)
    if bot_token is None:
        logger.fatal("BOT_TOKEN env variable is required")
        exit(1)
    if whitelisted is None:
        logger.fatal("WHITELISTED env varialbe is required")
        exit(1)

    whitelisted = whitelisted.split(',')

    application = ApplicationBuilder().token(bot_token).build()

    conv_handler = ConversationHandler(
        entry_points=[CommandHandler('start', start)],
        states={
            0: [MessageHandler(filters.Regex("^(Сегодня|Вчера|Месяц)$"), ya_api)]
        },
        fallbacks=[CommandHandler('cancel', cancel)]
    )
    application.add_handler(conv_handler)

    application.run_polling()