#    Copyright (C) 2025 James Brotosky, Brandon Wickline
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as published
#    by the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.

import dotenv
import os
import pandas as pd
import urllib3
import utils.allowlist
import utils.getdeviceevents
import utils.hashfunctions
import utils.pathfunctions
import utils.policyfunctions
import utils.pretty as ct


urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

dotenv.load_dotenv()

#Constants
url = os.getenv('url')
bad_publisher_list = ["Brave","Zoom", "GlavSoft", "VNC"]
pups = ["logmein", "invalid"]
badpathparts = ["users", "wwwroot", "windows\\temp", "windows\\task", "windows\\system32", "startup", "windows\\fonts", "Recycle.Bin", "AppData", "programdata"]
path_exclusion_constant = 3
min_files_for_path = 4
threat_tolerance_constant = 4

def apivalidation(): 
	match os.getenv('APIKEY'):
		case '':
			print(ct.colorText("Please add your API Key to the .env file", "red"))
		case _:
			menu_main()

def tryToReadCSV(csv):
	try:
		df =pd.read_csv(csv)
		if df.empty:
			print(ct.colorText("Error: CSV file has headers but no data rows.", "red"))
		else:
			print(ct.colorText(f"Data loaded successfully from {csv}", "green"))
	except pd.errors.EmptyDataError:
			print(ct.colorText("Notice : CSV file is completely empty (no headers, no data), falling back to empty frame", "white"))
			df = pd.DataFrame()  # Create an empty DataFrame as fallback
	return df

def tryToReadParquet(parquet):
	try:
		df = pd.read_parquet(parquet)
		if df.empty:
			print(ct.colorText("Error: Parquet file has headers but no data rows.", "red"))
		else:
			print(ct.colorText(f"Data loaded successfully from {parquet}", "green"))
	except pd.errors.EmptyDataError:
			print(ct.colorText("Notice : Parquet file is completely empty (no headers, no data), falling back to empty frame", "white"))
			df = pd.DataFrame()  # Create an empty DataFrame as fallback
	return df

def deduplicate_list(lst):
    seen = set()
    return [x for x in lst if not (x in seen or seen.add(x))]

def menu_main():
	while True:
		ct.displayIntro();
		print(ct.colorText("1. Get All Events for Single Device", "yellow"))
		print(ct.colorText("2. Placeholder for Local Approval", "yellow"))
		print(ct.colorText("3. Placeholder for Another Tool", "yellow"))
		print(ct.colorText("4. Prepare Policy For Enforcement", "yellow"))
		print(ct.colorText("Q. Quit", "yellow"))

		choice = input(ct.colorText("\nEnter Menu Item: ", "white"))
		if choice == '1':
			utils.getdeviceevents.devicehistory(url,False)
		elif choice == "2":
			menu_local_approve()
		elif choice == "3":
			menu_feature2()
		elif choice == "4":
			menu_prepare_to_enforce()
		elif choice == "Q":
			break
		else:
			print(ct.colorText("Invalid choice. Please try again.","red"))			

def menu_local_approve():
   while True:
        print("\n--- Submenu ---")
        print("1. Sub-option A")
        print("2. Sub-option B")
        print("3. Return to Main Menu")
        choice = input("Enter your choice: ")

        if choice == "1":
            print("You selected Sub-option A")
        elif choice == "2":
            print("You selected Sub-option B")
        elif choice == "3":
            print("Returning to Main Menu...")
            break
        else:
            print("Invalid choice. Please try again.")

def menu_feature2():
   while True:
        print("\n--- Submenu ---")
        print("1. Sub-option A")
        print("2. Sub-option B")
        print("3. Return to Main Menu")
        choice = input("Enter your choice: ")

        if choice == "1":
            print("You selected Sub-option A")
        elif choice == "2":
            print("You selected Sub-option B")
        elif choice == "3":
            print("Returning to Main Menu...")
            break
        else:
            print("Invalid choice. Please try again.")

def menu_prepare_to_enforce():

	first_policy = " "
	second_policy = " "
	destination_name = " "
	destination_id = " "
	allowlist_parent_name = " "
	allowlist_parent_id = " "
	allowlist_child_name = " "
	allowlist_child_id = " "
	
	#If the directorys where we're going to store our output dont exist, make them. 
	if not os.path.exists("parquet"): os.makedirs("parquet")
	if not os.path.exists("needs_approved"): os.makedirs("needs_approved")
	if not os.path.exists("approved"): os.makedirs("approved")
	if not os.path.exists("preflight"): os.makedirs("preflight")

	while True:
		
		ct.printEnforceChecklist(first_policy, second_policy, allowlist_child_name, allowlist_parent_name, destination_name)
		
		choice = input(ct.colorText("\nEnter your choice: ", "white"))
		
		if choice == "1":
			
			choice, policynames, policyid = utils.allowlist.listPolicies(url)
			first_policy = policynames[choice]
			while True:
				answer = input(ct.colorText(f"{"Do you want to load a second policy?"} (yes/no): ", "white").strip().lower())
				if answer in ("yes", "y"):
					choice, policynames, policyid = utils.allowlist.listPolicies(url)
					second_policy = policynames[choice]
			
					break 
				elif answer in ("no", "n"):
					second_policy = first_policy
					break
				else:
					print(ct.colorText("Please answer with 'yes' or 'no'.", "red"))

		elif choice == "2":

			if not os.path.exists(f"parquet\\execution_history_{first_policy}.parquet"):
				utils.policyfunctions.getPolicyInfo(url, first_policy, 60)

			if not os.path.exists(f"parquet\\execution_history_{second_policy}.parquet"):
				utils.policyfunctions.getPolicyInfo(url, second_policy, 60)

			if not os.path.exists(f"parquet\\combined_hashlist_{first_policy}_{second_policy}.parquet"):
				utils.hashfunctions.combineHashes(url, first_policy, second_policy)

			if not os.path.exists(f"parquet\\hashes_rep_unknown_{first_policy}_{second_policy}.parquet") and not os.path.exists(f"parquet\\hashes_rep_good_{first_policy}_{second_policy}.parquet") and not os.path.exists(f"parquet\\hashes_rep_bad_{first_policy}_{second_policy}.parquet"):
				utils.hashfunctions.categorizeHashes(
					first_policy,
					second_policy,
					pd.read_parquet(f"parquet\\combined_hashlist_{first_policy}_{second_policy}.parquet"),
					threat_tolerance_constant,
					bad_publisher_list,
					pups
				)
						
			if not os.path.exists(f"parquet\\condensed_executions_{first_policy}_{second_policy}.parquet"):
				utils.hashfunctions.condenseExecutions(first_policy,second_policy)
				
			if os.path.exists(f"parquet\\hashes_rep_unknown_{first_policy}_{second_policy}.parquet") & os.path.exists(f"parquet\\hashes_rep_good_{first_policy}_{second_policy}.parquet") & os.path.exists(f"parquet\\hashes_rep_bad_{first_policy}_{second_policy}.parquet"):
				utils.hashfunctions.divideSortedHashExecutions(first_policy,second_policy,pups)
				
		elif choice == "3":
			
			if os.path.exists(f"approved\\hashes_rep_unknown_{first_policy}_{second_policy}.csv") and os.path.exists(f"approved\\hashes_rep_good_{first_policy}_{second_policy}.csv"):
				utils.pathfunctions.generatePathReview(first_policy, second_policy, badpathparts, min_files_for_path)
			else:
				print(ct.colorText(f"Please manually approve hashes prior to this step","red"))
					
		elif choice == "4":
			
			if  os.path.exists(f"approved\\path_needs_approved_{first_policy}_{second_policy}.csv"):
				if not os.path.exists(f"parquet\\final_hash_approvals_{first_policy}_{second_policy}.parquet") and not os.path.exists(f"parquet\\final_path_exclusions_{first_policy}_{second_policy}.parquet"):
					utils.hashfunctions.generatePreflights(first_policy, second_policy)

		elif choice == "5":
	
			print(ct.colorText(f"Please choose destination_name Policy for Path Exclusions","white"))
			choice, policynames, policyid = utils.allowlist.listPolicies(url)
			#print(allowlist_parent_tuple)
			destination_name = policynames[choice]
			destination_id = policyid[choice]
			
			print(ct.colorText(f"Please choose Parent Allowlist for Known Hashes","white"))
			choice, allowlists,allowid = utils.allowlist.listAllowlists(url)
			#print(allowlist_parent_tuple)
			allowlist_parent_name = allowlists[choice]
			allowlist_parent_id = allowid[choice]

			print(ct.colorText(f"Please choose Child Allowlist for Less-Known Hashes","white"))
			choice, allowlists, allowid = utils.allowlist.listAllowlists(url)
			#print(allowlist_child_tuple)
			allowlist_child_name = allowlists[choice]
			allowlist_child_id = allowid[choice]

		elif choice == "6":
			if os.path.exists(f"preflight\\final_path_exclusions_{first_policy}_{second_policy}.html") and os.path.exists(f"preflight\\final_hash_approvals_{first_policy}_{second_policy}.html")	and allowlist_parent_name != " " and allowlist_child_name != " " and destination_name != " ":
				utils.policyfunctions.sendToPolicy(
					first_policy,
					second_policy,
					destination_name,
					destination_id,
					allowlist_parent_name,
					allowlist_parent_id, 
					allowlist_child_name,
					allowlist_child_id
					)

		elif choice == "Q":
			break
		else:
			print(ct.colorText("Invalid choice. Please try again.", "red"))    
		

if __name__ == "__main__":
	apivalidation()