#    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 datetime
import requests
import json
import os
import time
import utils.pretty as ct
import ijson

def pullPolicyExechistories(url, choice, policiesnames, outputjson: bool): 
    headers = {
        "X-APIKey": os.getenv('APIKEY')
    }
    checkpoint = '000000000000000000000000'
    json_output = {'error': 'Success', 'response': {'exechistories': []}}
    while True:
        json_response_data = checkpoint_stomper(checkpoint, url, policiesnames, headers)
        if not json_response_data['response']['exechistories']:
            break
        match_found = False
        array_dividend = round(len(json_response_data['response']['exechistories'])/20)
        if array_dividend == 0:
            array_dividend == 1
        for index, item in enumerate(json_response_data['response']['exechistories'][::array_dividend]):
            if (datetime.date.today() - datetime.timedelta(days=30) <= datetime.datetime.strptime(item['datetime'].replace(' +0000 UTC', ''), '%Y-%m-%dT%H:%M:%SZ').date()):
                print("Found Date Match")
                match_found = True
                break
        checkpoints_processed = round(len(json_response_data['response']['exechistories'])/array_dividend)
        print(ct.colorText(f"{checkpoints_processed} checkpoints from this execution have been processed. Stepping to the subsequent checkpoint. {item['checkpoint']}", "blue"))
        checkpoint = item['checkpoint']
        if match_found == True:
            for index, item in enumerate(json_response_data['response']['exechistories']):
                if index == len(json_response_data['response']['exechistories']) -1:
                    checkpoint = item['checkpoint']
                    print(ct.colorText(f"All checkpoints from this execution have been processed. Stepping to the subsequent checkpoint. {item['checkpoint']}", "blue"))
                    break
                else:
                    if (datetime.date.today() - datetime.timedelta(days=30) > datetime.datetime.strptime(item['datetime'].replace(' +0000 UTC', ''), '%Y-%m-%dT%H:%M:%SZ').date()):
                        pass
                    else:
                        print(f"Added: {item['datetime']} | {item['checkpoint']} | {item['filename']} | {item['sha256']}")
                        json_output['response']['exechistories'].append(item)
            match_found = False
    json_output = json.dumps(json_output)
    if outputjson == True:
        return json_output

def checkpoint_stomper(checkpoint, url, policy, headers):
    json_output = {'error': 'Success', 'response': {'exechistories': []}}
    endpoint = url + '/v1/logging/exechistories'
    payload_dict = {
        "type":[1,2,6,7],
        "checkpoint": checkpoint,
        "policy": [policy]
    }
    payload = json.dumps(payload_dict)
    with requests.request("POST", endpoint, headers=headers, data=payload, verify=False, stream=True) as response:
        parser = ijson.items(response.raw, 'response.exechistories.item')
        for item in parser:
            key = (item.get('sha256'), item.get('hostname'))
            if key not in json_output:
                json_output['response']['exechistories'].append(item)   
    parse_text = json.loads(json.dumps(json_output))
    return parse_text
def listPolicies(url): 
    endpoint = url + '/v1/group'
    print(ct.colorText("[+] Grabbing All Policies", "cyan"))
    payload = {}
    headers = {
        "X-APIKey": os.getenv('APIKEY')
    }
    response = requests.request("POST", endpoint, headers=headers, data=payload, verify=False)
    parse_text = json.loads(response.text)
    policiesnames = []
    policyids = []
    for index, list in enumerate(parse_text['response']['groups'], start=1):
        print(ct.colorText(f"{index}. {list['name']}", "yellow"))
        policiesnames.append(list['name'])
        policyids.append(list['groupid'])
    choice = input(ct.colorText("Select Policy Group: ", "white"))
    choice = int(choice) - 1
    return choice, policiesnames, policyids

def listAllowlists(url): 
    endpoint = url + '/v1/application'
    print(ct.colorText("[+] Grabbing All Allowlists", "cyan"))
    payload = {}
    headers = {
        "X-APIKey": os.getenv('APIKEY')
    }
    response = requests.request("POST", endpoint, headers=headers, data=payload, verify=False)
    parse_text = json.loads(response.text)
    policiesnames = []
    policyids = []
    for index, list in enumerate(parse_text['response']['applications'], start=1):
        if index >= 38:
            print(ct.colorText(f"{index}. {list['name']}", "yellow"))
            policiesnames.append(list['name'])
            policyids.append(list['applicationid'])
    choice = int(input(ct.colorText("Select allowlist: ", "white")))
    if choice < 38:
        print(ct.colorText("Please only choose an allowlist designed for this use - '38+'","red"))
    elif choice >= 38:
        choice = choice - 38
        return choice, policiesnames, policyids
    #Need else and catch for upper bound


def listCategories(url): 
    endpoint = url + '/v1/application/categories'
    print(ct.colorText("[+] Grabbing All Categories", "cyan"))
    payload = {}
    headers = {
        "X-APIKey": os.getenv('APIKEY')
    }
    response = requests.request("POST", endpoint, headers=headers, data=payload, verify=False)
    parse_text = json.loads(response.text)
    policiesnames = []
    policyids = []
    for index, list in enumerate(parse_text['response']['categories'], start=1):
        print(ct.colorText(f"{index}. {list['name']}", "yellow"))
        policiesnames.append(list['name'])
        policyids.append(list['categoryid'])
    
    
    choice = input(ct.colorText("Select Policy Group: ", "white"))
    choice = int(choice) - 1
    return choice, policiesnames, policyids