import ipaddress, os, re, time, asyncio
# SNMP
from pysnmp.hlapi.v3arch.asyncio import *
# QoL
from typing import Annotated, Final
# functions
from db.collectiveWriter import ALLdbIDRACWriter
# idrac SNMP
from idrac import idrac78, idrac9
# Cisco hosts
from cisco import lob, nyater

# SNMP ENV-------------------------------------------
ROUND_PREC: Final[int] = int(os.getenv("ROUND_PREC", 2))

SNMPUSER: Final[str] = os.getenv("SNMPUSER", None)
SNMPPRIVKEY: Final[str] = os.getenv("SNMPPRIVKEY", None)
SNMPAUTHKEY: Final[str] = os.getenv("SNMPAUTHKEY", None)
# Right now I'll only use SHA
# SNMPAUTHPROTO: Final[str] = os.getenv("SNMPAUTHPROTO", "SHA")
# SNMPPRIVPROTO: Final[str] = os.getenv("SNMPPRIVPROTO", "SHA")
SNMPORT: Final[int] = int(os.getenv("SNMPORT", 161))


# Check if SNMP ENV are empty
if not SNMPUSER or not SNMPPRIVKEY or not SNMPAUTHKEY:
    raise Exception("No SNMP user or/and PrivAuth passed")

# Program ENV---------------------------------------
try:
    IDRAC78_HOST_LIST: Final[list] = os.getenv("IDRAC78_HOST_LIST", []).split(";")
    IDRAC9_HOST_LIST: Final[list] = os.getenv("IDRAC9_HOST_LIST", []).split(";")
except:
    raise Exception("No IDRAC hosts variable")
try:
    CISCO_3750_HOST_LIST: Final[list] = os.getenv("CISCO_3750_HOST_LIST", []).split(";")
except:
    print("No 3750-X devices passed.\nContinuing with what is available.\n")
    CISCO_3750_HOST_LIST = []
try:    
    CISCO_NEXUS_HOST_LIST: Final[list] = os.getenv("CISCO_NEXUS_HOST_LIST", []).split(";")
except:
    print("No Nexus devices passed.\nContinuing with what is available.\n")
    CISCO_NEXUS_HOST_LIST = []

GET_INTERVAL: Final[int] = int(os.getenv("GET_INTERVAL", 60))


# Flightchecks-------------------------------------------
# if HOST_LIST empty, raise Exception No hosts passed
# if not IDRAC78_HOST_LIST and not IDRAC9_HOST_LIST:
#     raise Exception("No IDRAC hosts passed\nExiting...")
# for host in HOST_LIST check if valid IP and create a list with strings

try:
    for idrac78Host in IDRAC78_HOST_LIST:
        try:
            ip = str(ipaddress.IPv4Address(idrac78Host))
        except ValueError:
            raise Exception(f" IP {ip} for IDRAC7/8 devices is invalid.\nExiting...")
except:
    IDRAC78_HOST_LIST = []


for cisco3750Host in CISCO_3750_HOST_LIST:
    try:
        ip = str(ipaddress.IPv4Address(cisco3750Host))
    except ValueError:
        raise Exception(f" IP {ip} for Cisco devices is invalid.\nExiting...")


for ciscoNexusHost in CISCO_NEXUS_HOST_LIST:
    try:
        ip = str(ipaddress.IPv4Address(ciscoNexusHost))
    except ValueError:
        raise Exception(f" IP {ip} for Cisco devices is invalid.\nExiting...")

try:
    for idrac9Host in IDRAC9_HOST_LIST:
        try:
            ip = str(ipaddress.IPv4Address(idrac9Host))
        except ValueError:
            raise Exception(f" IP {ip} for IDRAC9 devices is invalid.\nExiting...")
except:
    IDRAC9_HOST_LIST = []

# Done under "Program ENV" on line ~18


# Code-------------------------------------------

async def main():

    mainQueue = asyncio.Queue(maxsize=225)
    
    asyncio.create_task(ALLdbIDRACWriter(mainQueue))

    print("Starting tasks")

    while True:
        
        # IDRAC part
        async with asyncio.TaskGroup() as tg:
            for Idrac78IP in IDRAC78_HOST_LIST:
                tg.create_task(idrac78.idrac7_8PoolRemote_v3(
                    Idrac78IP, mainQueue, 
                    SNMPUSER, SNMPAUTHKEY, SNMPPRIVKEY, ROUND_PREC, SNMPORT))
                    
            for Idrac9IP in IDRAC9_HOST_LIST:
                tg.create_task(idrac9.idrac9PoolRemote_v3(
                    Idrac9IP, mainQueue, 
                    SNMPUSER, SNMPAUTHKEY, SNMPPRIVKEY, ROUND_PREC, SNMPORT))
            # FANS
                # tg.create_task(idracPoolRemoteFAN_v3(IdracIP, mainQueue))

            # CISCO devices
            for cisco3750Xdev in CISCO_3750_HOST_LIST:
                tg.create_task(lob.lobGetRemote(
                    cisco3750Xdev, mainQueue,
                    SNMPUSER, SNMPAUTHKEY, SNMPPRIVKEY, ROUND_PREC, SNMPORT))

            # for ciscoNexusDev in CISCO_NEXUS_HOST_LIST:
            #     tg.create_task(nyater(
            #         ciscoNexusDev, mainQueue,
            #         SNMPUSER, SNMPAUTHKEY, SNMPPRIVKEY, ROUND_PREC, SNMPORT))

        await asyncio.sleep(GET_INTERVAL)



if __name__ == "__main__":
    # qu = asyncio.Queue()
    # asyncio.run(idracPoolRemote_v3("192.168.20.7", qu))
    print("Starting")
    asyncio.run(main())
    
    # loop = asyncio.get_event_loop()
    # task = loop.create_task(main())