import asyncio
import argparse
import configparser
from meshview import mqtt_reader
from meshview import mqtt_database
from meshview import mqtt_store
import json


async def load_database_from_mqtt(mqtt_server: str , mqtt_port: int, topic: list, mqtt_user: str | None = None, mqtt_passwd: str | None = None):
    async for topic, env in mqtt_reader.get_topic_envelopes(mqtt_server, mqtt_port, topic, mqtt_user, mqtt_passwd):
        await mqtt_store.process_envelope(topic, env)


async def main(config):
    mqtt_database.init_database(config["database"]["connection_string"])

    await mqtt_database.create_tables()
    mqtt_user = None
    mqtt_passwd = None
    if config["mqtt"]["username"] != "":
        mqtt_user: str = config["mqtt"]["username"]
    if config["mqtt"]["password"] != "":
        mqtt_passwd: str = config["mqtt"]["password"]
    mqtt_topics = json.loads(config["mqtt"]["topics"])
   
    
    async with asyncio.TaskGroup() as tg:
        tg.create_task(
            load_database_from_mqtt(config["mqtt"]["server"], int(config["mqtt"]["port"]), mqtt_topics, mqtt_user, mqtt_passwd)
        )
    

def load_config(file_path):
    """Load configuration from an INI-style text file."""
    config_parser = configparser.ConfigParser()
    config_parser.read(file_path)

    # Convert to a dictionary for easier access
    config = {section: dict(config_parser.items(section)) for section in config_parser.sections()}
    return config


if __name__ == '__main__':
    parser = argparse.ArgumentParser("meshview")
    parser.add_argument("--config", help="Path to the configuration file.", default='config.ini')
    args = parser.parse_args()

    config = load_config(args.config)

    asyncio.run(main(config))