#!/usr/bin/env python3
import datetime
import logging
from paho.mqtt import client as mqtt_client
import getopt
import json
import time
import socket
import subprocess
import sys
import os
import re
import platform
import requests
import fnmatch
from wakeonlan import send_magic_packet
pid = os.getpid()

host = platform.node().lower()
cmnd = "ps -ef|grep omv_backups.py|grep -v grep |grep -v {}|wc -l".format(pid)
status, output = subprocess.getstatusoutput(cmnd)

def is_port_open(host, port):
    try:
        sock = socket.create_connection((host, port))
        sock.close()
        return True
    except socket.error:
        return False
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
# doesn't even have to be reachable
s.connect(('192.168.77.1', 1))
IP = s.getsockname()[0] 
print(IP)
print(output)
if int(output) > 0:
    print("Running already!")
    sys.exit()
broker = 'mqtt.home.lan'
port = 1883
topic_sum = "sectorq/omv/backups"
mqtt_username = 'jaydee'
mqtt_password = 'jaydee1'
print("1")
try:
    opts, args = getopt.getopt(sys.argv[1:], "amftdr:b", ["command=", "help", "output="])
except getopt.GetoptError as err:
    #usage()
    sys.exit(2)
output = None
# QJ : getopts
_MODE = "manual"
_FIRST = _TEST = _RESTORE = _BACKUP = False
_EXECUTE = True
for o, a in opts:
    if o == "-a":
        _MODE = "auto"
    elif o in ("-m", "--manual"):
       _MODE = "manual"
    elif o in ("-f", "--first"):
       _FIRST = True
    elif o in ("-t", "--test"):
       _TEST = True
    elif o in ("-r", "--restore"):
       _RESTORE = True
       _APP =  a
       print("RESTORE")
    elif o in ("-b", "--backup"):
       _BACKUP = True
    elif o in ("-d", "--dry"):
       _EXECUTE = False
       
print("2")      
client = mqtt_client.Client()
client.username_pw_set(mqtt_username, mqtt_password)
client.connect(broker,1883,60)


backups = {
    "nas": {
        "login": "admin@nas.home.lan",
        "jobs": {
            "github":
                {"source":"/share/Data/__GITHUB",
                "exclude":"",
                "active": True
                },
            "photo": {
                "source":"/share/Photo/Years",
                "exclude":"",
                "active":True
            }
        }
    },
    "m-server":{
        "login": "jd@m-server.home.lan",
        "jobs": {
            "docker_data":{
                "source":"/share/docker_data/",
                "exclude":"",
                "active":True
            },
            "fail2ban":{
                "source":"/etc/fail2ban/",
                "exclude":"",
                "active":True
            }
        }
    },
    "rpi5.home.lan":{
        "docker_data":{
            "source":"/share/docker_data/",
            "exclude":"",
            "active":True
        },
        "fail2ban":{
            "source":"/etc/fail2ban/",
            "exclude":"",
            "active":True
        }
    }
}
BACKUP_FS = "/srv/dev-disk-by-uuid-2f843500-95b6-43b0-bea1-9b67032989b8"
BACKUP_HOST = "omv.home.lan"
#BACKUP_HOST = "morefine.home.lan"

print("Test connection")
print("3")
hm = socket.gethostbyaddr(BACKUP_HOST)

print("Starting")
print(_RESTORE)
if _RESTORE:
    print("Starting Restore")
    if _APP == "all":
        _APP = ["nginx","ha","gitlab","mailu","bitwarden","esphome","grafana","ingluxdb","kestra","matter-server","mosquitto","octoprint","octoprint2","pihole","unify_block","webhub"]
    else:
        _APP = _APP.split(",")
     
    
    for app in _APP:
        topic = "sectorq/omv/restore/{}".format(app)
        client.connect(broker,1883,60)
        msg = {"status":"inactive","bak_name":app,"start_time":"inactive","end_time":"inactive","progress":0}

        client.publish(topic, json.dumps(msg))
        client.disconnect()
        now = datetime.datetime.now()
        DATETIME = now.strftime("%Y-%m-%d_%H-%M-%S")
        BACKUP_HOST = f"jd@{host}"
        BACKUP_DEVICE = "/srv/dev-disk-by-uuid-2f843500-95b6-43b0-bea1-9b67032989b8"
        BACKUP_DIR = f"/backup/{host}"
        if app == "fail2ban":
            print("?>?????")
            NEW_BACKUP_DIR = f"/backup/m-server/fail2ban/latest/"
            SOURCE_DIR = f"/etc/fail2ban"
        else:  
            NEW_BACKUP_DIR = f"/backup/m-server/docker_data/latest/{app}"
            SOURCE_DIR = f"/share/docker_data/"
        if _FIRST:
            BACKUP_PATH="{}/initial".format(BACKUP_DIR)
        else:
            BACKUP_PATH="{}/{}".format(BACKUP_DIR, DATETIME)
        LATEST_LINK="{}/latest".format(BACKUP_DIR)
        FULL_BACKUP_LATEST = f"{NEW_BACKUP_DIR}/latest"
        LATEST_LINK = f"/{host}/{app}/latest"


        msg = {"status":"started","bak_name":app,"start_time":DATETIME,"end_time":"in progress", "progress":0}
        client.connect(broker,1883,60)
        client.publish(topic, json.dumps(msg))
        client.disconnect()

        print("Create backup dir")
        print(cmnd)


        #cmnd = "rsync -av --delete {}/ --link-dest {} --exclude=\".cache\" {}".format(SOURCE_DIR, LATEST_LINK, BACKUP_PATH)
        
            
        if app == "heimdall":
            print("Stopping docker")
            cmnd = "docker stop heimdall"
            status, output = subprocess.getstatusoutput(cmnd)
            cmnd = f"rsync -avz --delete rsync://{BACKUP_HOST}{NEW_BACKUP_DIR} {SOURCE_DIR}"     
            ans = "y"
            print(cmnd)
            print("Sync files")
            if _TEST:
                ans = input("continue?") or "n"
            if ans == "y" and _EXECUTE:
                status, output = subprocess.getstatusoutput(cmnd)
            entries = ["Home Assistant","Nginx Proxy Manager","Portainer","Roundcube","Authentik","Kestra"]
            for e in entries:
                cmnd = f"sqlite3 /share/docker_data/heimdall/config/www/app.sqlite  \"SELECT url FROM items WHERE title = '{e}'\""
                print(cmnd)
                status, output = subprocess.getstatusoutput(cmnd)
                regex = re.compile(r'[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}')
                contents = re.sub(regex, IP , output)
                cmnd = f"sqlite3 /share/docker_data/heimdall/config/www/app.sqlite  \"UPDATE items SET url = '{contents}' WHERE title = '{e}'\""
                print(cmnd)
                status, output = subprocess.getstatusoutput(cmnd)
            cmnd = "docker start heimdall"
            status, output = subprocess.getstatusoutput(cmnd)
        if app == "ha":
            print("Stopping docker")
            cmnd = "docker stop heimdall"
            status, output = subprocess.getstatusoutput(cmnd)
            cmnd = f"rsync -avz --delete rsync://{BACKUP_HOST}{NEW_BACKUP_DIR} {SOURCE_DIR}"     
            ans = "y"
            print(cmnd)
            print("Sync files")
            if _TEST:
                ans = input("continue?") or "n"
            if ans == "y" and _EXECUTE:
                status, output = subprocess.getstatusoutput(cmnd)
            print("Start docker")
            cmnd = "docker start heimdall"
            status, output = subprocess.getstatusoutput(cmnd)
        if app == "fail2ban":
            print("Stopping docker")
            cmnd = f"rsync -avz --delete rsync://{BACKUP_HOST}{NEW_BACKUP_DIR} {SOURCE_DIR}"     
            ans = "y"
            print(cmnd)
            print("Sync files")
            if _TEST:
                ans = input("continue?") or "n"
            if ans == "y" and _EXECUTE:
                status, output = subprocess.getstatusoutput(cmnd)
            print("Start docker")
            cmnd = "docker start heimdall"
            status, output = subprocess.getstatusoutput(cmnd)
        elif app == "nginx":
            print("Stopping docker")
            cmnd = "docker stop nginx-app-1"
            status, output = subprocess.getstatusoutput(cmnd)
            cmnd = f"rsync -avz --delete rsync://{BACKUP_HOST}{NEW_BACKUP_DIR} {SOURCE_DIR}"     
            ans = "y"
            print(cmnd)
            print("Sync files")
            if _TEST:
                ans = input("continue?") or "n"
            if ans == "y" and _EXECUTE:
                status, output = subprocess.getstatusoutput(cmnd)
            domains = ["sectorq.eu","gitlab.sectorq.eu","ha.sectorq.eu","mail.sectorq.eu","pw.sectorq.eu","semaphore.sectorq.eu","kestra.sectorq.eu","auth.sectorq.eu"]
            for d in domains:
                cmnd = f'sqlite3  /share/docker_data/nginx/data/database.sqlite  "UPDATE proxy_host SET forward_host = \'{IP}\' WHERE domain_names = \'[\\"{d}\\"]\'"'
                print(cmnd)
                status, output = subprocess.getstatusoutput(cmnd)
            
            cmnd = 'egrep -l  "# kestra.sectorq.eu|# auth.sectorq.eu|# ha.sectorq.eu|# pw.sectorq.eu|# semaphore.sectorq.eu|# sectorq.eu|# gitlab.sectorq.eu|# ha.sectorq.eu" /share/docker_data/nginx/data/nginx/proxy_host/*'
            status, output = subprocess.getstatusoutput(cmnd)
            print(output.splitlines())
            for file in output.splitlines():
                print(file)
                f = open(file)
                contents = f.read()
                f.close()
                regex = re.compile(r'\n\s+set \$server\s+\"\w+.\w+.\w+.\w+\";')
                contents = re.sub(regex, f'\n  set $server         \"{IP}\";', contents)
                #print(contents)
                print(regex)
                f = open(file, "w")
                contents = f.write(contents)
                f.close()
            status, output = subprocess.getstatusoutput(cmnd)
            print("Starting docker")
            cmnd = "docker start nginx-app-1"
            status, output = subprocess.getstatusoutput(cmnd)
        else:
            cmnd = f"rsync -avz --delete rsync://{BACKUP_HOST}{NEW_BACKUP_DIR} {SOURCE_DIR}"     
            ans = "y"
            print(cmnd)
            print("Sync files")
            if _TEST:
                ans = input("continue?") or "n"
            if ans == "y" and _EXECUTE:
                status, output = subprocess.getstatusoutput(cmnd)
        now = datetime.datetime.now()
        ENDTIME = now.strftime("%Y-%m-%d_%H:%M:%S")
        msg = {"status":"finished","bak_name":app,"start_time":DATETIME,"end_time":ENDTIME,"progress":0}
        client.connect(broker,1883,10)
        client.publish(topic, json.dumps(msg))
        client.disconnect()

        now = datetime.datetime.now()
        ENDJOB = now.strftime("%Y-%m-%d_%H:%M:%S")
        print("Sending finished status")
        msg = {"mode":_MODE,"status":"finished","bak_name":"complete","start_time":STARTTIME,"end_time":ENDJOB,"progress":0,"used_space":"?"}
        print(msg)
        client.connect(broker,1883,10)
        client.publish(topic_sum, json.dumps(msg))
        client.disconnect()

    if _MODE == "auto":
        cmnd = "ssh root@omv.home.lan 'systemctl suspend &'"
        status, output = subprocess.getstatusoutput(cmnd)



if _BACKUP:
    
    while True:
        directory = '/backups/'
        count = len(fnmatch.filter(os.listdir(directory), '*'))
        
        print('File Count:', count)
        if count == 0:
            time.sleep(10)
            continue
        else:
            finished = []
            now = datetime.datetime.now()
            STARTTIME = now.strftime("%Y-%m-%d_%H:%M:%S")
            msg = {"mode":_MODE, "status":"started","bak_name":"complete","host":"","cur_job":"","start_time":STARTTIME,"end_time":"in progress","progress":0,"finished":",".join(finished)}
            client.publish(topic_sum, json.dumps(msg));
            client.disconnect()
            # iterate over files in 
            # that directory
            
            for filename in os.scandir(directory):
                if filename.is_file():
                    print(filename.path)
                    print(filename.name)
                host = filename.name
                print("Backup")
                for b in backups[host]["jobs"]:
                    topic = "sectorq/omv/backups"
                    if not backups[host]["jobs"][b]["active"]:
                        print("Backup {} is not active!".format(b))
                        client.connect(broker,1883,60)
                        msg = {"status":"inactive","bak_name":b,"start_time":"inactive","end_time":"inactive","progress":0}

                        client.publish(topic, json.dumps(msg))
                        client.disconnect()
                        continue

                    SOURCE_DIR = backups[host]["jobs"][b]["source"]
                    now = datetime.datetime.now()
                    BACKUP_HOST = backups[host]["login"]
                    BACKUP_DEVICE = "/srv/dev-disk-by-uuid-2f843500-95b6-43b0-bea1-9b67032989b8"
                    BACKUP_DIR = f"{BACKUP_HOST}:{SOURCE_DIR}"
                    BACKUP_ROOT = f"{BACKUP_DEVICE}/backup/{host}/{b}"
                    DATETIME = now.strftime("%Y-%m-%d_%H-%M-%S")
                    
                    if _FIRST:
                        NEW_BACKUP_DIR = f"{BACKUP_ROOT}/initial"
                    else:
                        NEW_BACKUP_DIR = f"{BACKUP_ROOT}/{DATETIME}"
  
                    FULL_BACKUP_LATEST = f"{BACKUP_ROOT}/latest"


                   # msg = {"status":"started","bak_name":b,"start_time":DATETIME,"end_time":"in progress", "progress":0}
                    msg = {"mode":_MODE, "status":"started","bak_name":"complete","host":host,"cur_job":b,"start_time":STARTTIME,"end_time":"in progress","progress":0,"finished":",".join(finished)}
                    client.connect(broker,1883,60)
                    client.publish(topic, json.dumps(msg))
                    client.disconnect()

                    cmnd = "mkdir -p " + NEW_BACKUP_DIR
                    print(cmnd)
                    if _EXECUTE:
                        status, output = subprocess.getstatusoutput(cmnd)
                        print(output)
                        print(status)
                    print("Create backup dir")
                    


                    #cmnd = "rsync -av --delete {}/ --link-dest {} --exclude=\".cache\" {}".format(SOURCE_DIR, LATEST_LINK, BACKUP_PATH)
                    if _FIRST:
                        cmnd = f"rsync -avz --delete {SOURCE_DIR} --exclude=\"gitlab/logs/prometheus\" --exclude=\"home-assistant.log\" --exclude=\"gitlab/logs/*\" --exclude=\"esphome/config/.esphome\" --exclude=\".cache\" --exclude=\".git\" --exclude=\"var_lib_motioneye\" rsync://{BACKUP_HOST}{BACKUP_PATH}"     
                    else:
                        cmnd = f"rsync -avz --delete {BACKUP_DIR} --link-dest {FULL_BACKUP_LATEST} --exclude=\"gitlab/logs/prometheus\" --exclude=\"home-assistant.log\" --exclude=\"gitlab/logs/*\" --exclude=\"esphome/config/.esphome\" --exclude=\".cache\" --exclude=\".git\" --exclude=\"var_lib_motioneye\" {NEW_BACKUP_DIR}"

                    ans = "y"
                    print(cmnd)
                    print("Sync files")
                    #input("??????")
                    if _TEST:
  
                        ans = input("continue?") or "n"
                    if ans == "y" and _EXECUTE:

                    # rsync --info=progress2 -avz --delete /share/docker_data/ --link-dest /m-server/docker_data/latest --exclude="gitlab/data/" --exclude="esphome/config/.esphome" --exclude="gitlab/logs/prometheus" --exclude=".cache" --exclude=".git" --exclude="var_lib_motioneye" /m-server/m-server/docker_data/newone1


                #    input("????")

                        status, output = subprocess.getstatusoutput(cmnd)
                        #proc = subprocess.Popen(cmnd,stdin=subprocess.PIPE,stdout=subprocess.PIPE,stderr=subprocess.PIPE,cwd = "/myapps/",shell=True)

                    cmnd = f"rm -rf {FULL_BACKUP_LATEST}"
                    
                    print(cmnd)
                    print("Removing latest link")
                #    input("????")
                    if _EXECUTE:
                        status, output = subprocess.getstatusoutput(cmnd)
                    if _FIRST:
                        cmnd = f"cd {BACKUP_ROOT}; ln -s initial latest"
                    else:
                        cmnd = f"cd {BACKUP_ROOT}; ln -s {DATETIME} latest"
                    print("Creating new latest link")
                    #print(cmnd)
                #    input("????")
                    if _EXECUTE:
                        status, output = subprocess.getstatusoutput(cmnd)


                    #Remove old
                    print("Removing old dirs")
                #    input("????")
                    #cmnd = "find {} -maxdepth 1 -type d -mtime +30 -exec rm -rf {{}} \;".format(BACKUP_DIR)
                    cmnd = f"cd {BACKUP_ROOT} find ./ -maxdepth 1 -type d -mmin +30 -exec rm -rf {{}} \\;"
                    #print(cmnd)
                #   input("????")
                    if _EXECUTE:
                        status, output = subprocess.getstatusoutput(cmnd)
                    now = datetime.datetime.now()
                    ENDTIME = now.strftime("%Y-%m-%d_%H:%M:%S")
                    #msg = {"status":"finished","bak_name":b,"start_time":DATETIME,"end_time":ENDTIME,"progress":0}
                    finished.append(b)
                    msg = {"mode":_MODE, "status":"finished","bak_name":"complete","host":host,"cur_job":b,"start_time":ENDTIME,"end_time":"in progress","progress":0,"finished":",".join(finished)}
                    client.connect(broker,1883,10)
                    client.publish(topic, json.dumps(msg))
                    client.disconnect()

                print("Getting size of FS")
                cmnd = "df -h /srv/dev-disk-by-uuid-2f843500-95b6-43b0-bea1-9b67032989b8|awk '{ print $3 }'|tail -1"
                print(cmnd)
                status, output = subprocess.getstatusoutput(cmnd)
                used_space = (output.split())[0]
                now = datetime.datetime.now()
                ENDJOB = now.strftime("%Y-%m-%d_%H:%M:%S")
                print("Size : {}".format(used_space))
                print("Sending finished status")
                #msg = {"mode":_MODE,"status":"finished","bak_name":"complete","start_time":STARTTIME,"end_time":ENDJOB,"progress":0,"used_space":used_space}
                msg = {"mode":_MODE, "status":"finished","bak_name":"complete","host":host,"cur_job":b,"start_time":STARTTIME,"end_time":ENDTIME,"progress":0,"finished":",".join(finished)}
                print(msg)
                
                
                client.connect(broker,1883,10)
                client.publish(topic_sum, json.dumps(msg))
                client.disconnect()
                
                os.remove(filename.path)
                # if _MODE == "auto":
                #     hostup = True
                #     cmnd = "ssh root@omv.home.lan 'systemctl suspend &'"
                #     status, output = subprocess.getstatusoutput(cmnd)
                #     while hostup:
                #         #HOST_UP  = os.system(f"ping -c 1 -w 2 omv.home.lan") == 0
                #         cmnd = f"ping -c 1 -w 2 {BACKUP_HOST}"
                #         status, output = subprocess.getstatusoutput(cmnd)
                #         # print(status)
                #         # print(output)
                        
                        
                #         if status == 0:
                #             print(f"Backup host up, waiting - {n}\r", end="")
                #             time.sleep(5)
                #             n += 1
                #         else:
                #             print("Backup host down                         " )
                #             hostup = False
                    
                    
                    
                #     try:
                #         url = "http://m-server.home.lan:8123/api/webhook/-0eWYFhSTzdusAO8jwQS9t1AT?mode=off"

                #         x = requests.post(url)

                #         print(x.text)  
                #     except:
                #         pass