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import os
from urllib import parse
import requests
from dotenv import load_dotenv

from util import setupLogger, getDbConn

load_dotenv()

logger = setupLogger()


class Bot:
    def __init__(self):
        self.token = os.getenv('BOT_TOKEN')
        self.chatId = os.getenv('BOT_CHAT_ID')
        self.isProcessingPolling = False
        self.hasNewMessages = False
        self.messages = list()

    def sendMessage(self, message):
        message = parse.quote_plus(message)
        url = f'https://api.telegram.org/bot{self.token}/sendMessage?chat_id={self.chatId}&parse_mode=html&text={message}'
        response = requests.get(url)
        if response.status_code == 200:
            logger.info(f'Message sent: {response.text}')
        else:
            logger.error(f'Error sending message: {response.text}')

    def _dbUpdate(self, data):
        conn = getDbConn()
        cur = conn.cursor()
        for data in data['result']:
            msg = data['message']
            msgId = msg['message_id']
            msgDate = msg['date']
            msgFrom = msg['from']['username']
            text = msg['text']
            res = cur.execute(f"SELECT id, is_read FROM incoming WHERE id = {msgId}")
            if not res.fetchall():
                cur.execute(f"INSERT INTO incoming VALUES ({msgId}, {msgDate}, '{msgFrom}', '{text}', False)")
                self.hasNewMessages = True
        conn.commit()
        conn.close()

    def _checkUnreadDb(self):
        if not self.hasNewMessages:
            conn = getDbConn()
            cur = conn.cursor()
            res = cur.execute(f"SELECT id, is_read FROM incoming WHERE is_read = 0")
            if len(res.fetchall()) > 0:
                self.hasNewMessages = True
            conn.close()

    def pollUpdate(self):
        self.isProcessingPolling = True

        url = f'https://api.telegram.org/bot{self.token}/getUpdates'
        response = requests.get(url)
        if response.status_code == 200:
            self._dbUpdate(response.json())
        self._checkUnreadDb()

        self.isProcessingPolling = False

    def getNewMessages(self):
        result = list()
        if not self.hasNewMessages:
            return result
        conn = getDbConn()
        cur = conn.cursor()
        resCheck = cur.execute(f"SELECT text FROM incoming WHERE is_read = False")
        for row in resCheck.fetchall():
            result.append(row[0])
        cur.execute(f"UPDATE incoming SET is_read = True WHERE is_read = False")
        conn.commit()
        conn.close()
        self.hasNewMessages = False
        return result


if __name__ == '__main__':
    bot = Bot()
    # bot.sendMessage('*harusnya ini bold* dan ini ngga')
    bot.getNewMessages()