from lib import config as config_module
from lib import docker_interface
from lib import background_job
from lib import utils
import asyncio
import aiofiles
import os

config = config_module.config

non_interactive_env = {
    'DEBIAN_FRONTEND': 'noninteractive',
    'PATH': '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin',
}

non_interactive_env_hive = {
    'DEBIAN_FRONTEND': 'noninteractive',
    'PATH': '/hive/bin:/hive/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:./',
}

INTENDED_DRIVER_VERSION = 550

async def get_running_containers():
    try:
        containers = await asyncio.to_thread(docker_interface.get_containers, False)
        return containers
    except Exception as e:
        return False

async def run_update(is_hive = False):
    try:
        code, stdout, stderr = await utils.async_run_command("nvidia-smi --query-gpu=driver_version --format=csv,noheader", 20, env=non_interactive_env)
        if code == 0 and stderr == '' and stdout:
            driver_version = stdout.split('\n')[0].split('.')
            if len(driver_version) >= 2 and driver_version[0].isdigit() and int(driver_version[0]) > 300 and int(driver_version[0]) < INTENDED_DRIVER_VERSION:
                running_containers = await get_running_containers()
                if type(running_containers) == list:
                    order_running = False
                    for container in running_containers:
                        if container.name[:11] == "clore-order" or container.name[:2] == "C.":
                            order_running = True
                            break
                    if not order_running:
                        if is_hive:
                            background_job.temporarly_disable(14400)
                            driver_update_code, driver_update_stdout, driver_update_stderr = await utils.async_run_command("nvidia-driver-update http://45.12.132.34/NVIDIA-Linux-x86_64-550.135.run --force", 14400, non_interactive_env_hive)
                            if driver_update_code == 1 and "Unload modules failed" in driver_update_stdout:
                                async with aiofiles.open("/opt/clore-hosting/.run_hive_driver_update", mode='w') as file:
                                    await file.write("")
                                os._exit(0)
                            background_job.enable()
                            if driver_update_code == 0:
                                async with aiofiles.open(config.restart_docker_flag_file, mode='w') as file:
                                    await file.write("")
                                await aiofiles.os.remove(config.update_driver_550_flag)
                                os._exit(0)
                        else:
                            driver_update_code, driver_update_stdout, driver_update_stderr = await utils.async_run_command("apt update -y && apt install nvidia-driver-550 -y", 14400, non_interactive_env)
                            if driver_update_code == 0:
                                await aiofiles.os.remove(config.update_driver_550_flag)
                                await utils.async_run_command("reboot") # On ubuntu it's just safest to reboot to get new driver version working properly
    except Exception as e:
        pass

async def update_loop(is_hive):
    while True:
        flag_exists = await aiofiles.os.path.exists(config.update_driver_550_flag)
        if flag_exists:
            await run_update(is_hive)
        await asyncio.sleep(300)