#!/usr/bin/env python3
#Imports
import os
import re
from Crypto.PublicKey import RSA
from Crypto.Cipher import PKCS1_OAEP
import ast
import argparse
import sys
import inquirer
from .core import node,nodes
from ._version import __version__
import yaml
try:
    from pyfzf.pyfzf import FzfPrompt
except:
    FzfPrompt = None


#functions and classes

class connapp:
    ''' This class starts the connection manager app. It's normally used by connection manager but you can use it on a script to run the connection manager your way and use a different configfile and key.
        '''

    def __init__(self, config):
        ''' 
            
        ### Parameters:  

            - config (obj): Object generated with configfile class, it contains
                            the nodes configuration and the methods to manage
                            the config file.

        '''
        self.node = node
        self.connnodes = nodes
        self.config = config
        self.nodes = self._getallnodes()
        self.folders = self._getallfolders()
        self.profiles = list(self.config.profiles.keys())
        self.case = self.config.config["case"]
        try:
            self.fzf = self.config.config["fzf"]
        except:
            self.fzf = False


    def start(self,argv = sys.argv[1:]):
        ''' 
            
        ### Parameters:  

            - argv (list): List of arguments to pass to the app.
                           Default: sys.argv[1:]

        ''' 
        #DEFAULTPARSER
        defaultparser = argparse.ArgumentParser(prog = "conn", description = "SSH and Telnet connection manager", formatter_class=argparse.RawTextHelpFormatter)
        subparsers = defaultparser.add_subparsers(title="Commands")
        #NODEPARSER
        nodeparser = subparsers.add_parser("node",usage=self._help("usage"), help=self._help("node"),epilog=self._help("end"), formatter_class=argparse.RawTextHelpFormatter) 
        nodecrud = nodeparser.add_mutually_exclusive_group()
        nodeparser.add_argument("node", metavar="node|folder", nargs='?', default=None, action=self._store_type, type=self._type_node, help=self._help("node"))
        nodecrud.add_argument("-v","--version", dest="action", action="store_const", help="Show version", const="version", default="connect")
        nodecrud.add_argument("-a","--add", dest="action", action="store_const", help="Add new node[@subfolder][@folder] or [@subfolder]@folder", const="add", default="connect")
        nodecrud.add_argument("-r","--del", "--rm", dest="action", action="store_const", help="Delete node[@subfolder][@folder] or [@subfolder]@folder", const="del", default="connect")
        nodecrud.add_argument("-e","--mod", "--edit", dest="action", action="store_const", help="Modify node[@subfolder][@folder]", const="mod", default="connect")
        nodecrud.add_argument("-s","--show", dest="action", action="store_const", help="Show node[@subfolder][@folder]", const="show", default="connect")
        nodecrud.add_argument("-d","--debug", dest="action", action="store_const", help="Display all conections steps", const="debug", default="connect")
        nodeparser.set_defaults(func=self._func_node)
        #PROFILEPARSER
        profileparser = subparsers.add_parser("profile", help="Manage profiles") 
        profileparser.add_argument("profile", nargs=1, action=self._store_type, type=self._type_profile, help="Name of profile to manage")
        profilecrud = profileparser.add_mutually_exclusive_group(required=True)
        profilecrud.add_argument("-a", "--add", dest="action", action="store_const", help="Add new profile", const="add")
        profilecrud.add_argument("-r", "--del", "--rm", dest="action", action="store_const", help="Delete profile", const="del")
        profilecrud.add_argument("-e", "--mod", "--edit", dest="action", action="store_const", help="Modify profile", const="mod")
        profilecrud.add_argument("-s", "--show", dest="action", action="store_const", help="Show profile", const="show")
        profileparser.set_defaults(func=self._func_profile)
        #MOVEPARSER
        moveparser = subparsers.add_parser("move", aliases=["mv"], help="Move node") 
        moveparser.add_argument("move", nargs=2, action=self._store_type, help="Move node[@subfolder][@folder] dest_node[@subfolder][@folder]", default="move", type=self._type_node)
        moveparser.set_defaults(func=self._func_others)
        #COPYPARSER
        copyparser = subparsers.add_parser("copy", aliases=["cp"], help="Copy node") 
        copyparser.add_argument("cp", nargs=2, action=self._store_type, help="Copy node[@subfolder][@folder] new_node[@subfolder][@folder]", default="cp", type=self._type_node)
        copyparser.set_defaults(func=self._func_others)
        #LISTPARSER
        lsparser = subparsers.add_parser("list", aliases=["ls"], help="List profiles, nodes or folders") 
        lsparser.add_argument("ls", action=self._store_type, choices=["profiles","nodes","folders"], help="List profiles, nodes or folders", default=False)
        lsparser.set_defaults(func=self._func_others)
        #BULKPARSER
        bulkparser = subparsers.add_parser("bulk", help="Add nodes in bulk") 
        bulkparser.add_argument("bulk", const="bulk", nargs=0, action=self._store_type, help="Add nodes in bulk")
        bulkparser.set_defaults(func=self._func_others)
        #RUNPARSER
        runparser = subparsers.add_parser("run", help="Run scripts or commands on nodes", formatter_class=argparse.RawTextHelpFormatter) 
        runparser.add_argument("run", nargs='+', action=self._store_type, help=self._help("run"), default="run", type=self._type_node)
        runparser.add_argument("-g","--generate", dest="action", action="store_const", help="Generate yaml file template", const="generate", default="run")
        runparser.set_defaults(func=self._func_run)
        #CONFIGPARSER
        configparser = subparsers.add_parser("config", help="Manage app config") 
        configcrud = configparser.add_mutually_exclusive_group(required=True)
        configcrud.add_argument("--allow-uppercase", dest="case", nargs=1, action=self._store_type, help="Allow case sensitive names", choices=["true","false"])
        configcrud.add_argument("--fzf", dest="fzf", nargs=1, action=self._store_type, help="Use fzf for lists", choices=["true","false"])
        configcrud.add_argument("--keepalive", dest="idletime", nargs=1, action=self._store_type, help="Set keepalive time in seconds, 0 to disable", type=int, metavar="INT")
        configcrud.add_argument("--completion", dest="completion", nargs=1, choices=["bash","zsh"], action=self._store_type, help="Get terminal completion configuration for conn")
        configparser.set_defaults(func=self._func_others)
        #Manage sys arguments
        commands = ["node", "profile", "mv", "move","copy", "cp", "bulk", "ls", "list", "run", "config"]
        profilecmds = ["--add", "-a", "--del", "--rm",  "-r", "--mod", "--edit", "-e", "--show", "-s"]
        if len(argv) >= 2 and argv[1] == "profile" and argv[0] in profilecmds:
            argv[1] = argv[0]
            argv[0] = "profile"
        if len(argv) < 1 or argv[0] not in commands:
            argv.insert(0,"node")
        args = defaultparser.parse_args(argv)
        return args.func(args)

    class _store_type(argparse.Action):
        #Custom store type for cli app.
        def __call__(self, parser, args, values, option_string=None):
            setattr(args, "data", values)
            delattr(args,self.dest)
            setattr(args, "command", self.dest)

    def _func_node(self, args):
        #Function called when connecting or managing nodes.
        if not self.case and args.data != None:
            args.data = args.data.lower()
        if args.action == "version":
            print(__version__)
        if args.action == "connect" or args.action == "debug":
            if args.data == None:
                matches = self.nodes
                if len(matches) == 0:
                    print("There are no nodes created")
                    print("try: conn --help")
                    exit(9)
            else:
                if args.data.startswith("@"):
                    matches = list(filter(lambda k: args.data in k, self.nodes))
                else:
                    matches = list(filter(lambda k: k.startswith(args.data), self.nodes))
            if len(matches) == 0:
                print("{} not found".format(args.data))
                exit(2)
            elif len(matches) > 1:
                matches[0] = self._choose(matches,"node", "connect")
            if matches[0] == None:
                exit(7)
            node = self.config.getitem(matches[0])
            node = self.node(matches[0],**node, config = self.config)
            if args.action == "debug":
                node.interact(debug = True)
            else:
                node.interact()
        elif args.action == "del":
            if args.data == None:
                print("Missing argument node")
                exit(3)
            elif args.data.startswith("@"):
                matches = list(filter(lambda k: k == args.data, self.folders))
            else:
                matches = list(filter(lambda k: k == args.data, self.nodes))
            if len(matches) == 0:
                print("{} not found".format(args.data))
                exit(2)
            question = [inquirer.Confirm("delete", message="Are you sure you want to delete {}?".format(matches[0]))]
            confirm = inquirer.prompt(question)
            if confirm["delete"]:
                uniques = self.config._explode_unique(matches[0])
                if args.data.startswith("@"):
                    self.config._folder_del(**uniques)
                else:
                    self.config._connections_del(**uniques)
                self.config._saveconfig(self.config.file)
                print("{} deleted succesfully".format(matches[0]))
        elif args.action == "add":
            if args.data == None:
                print("Missing argument node")
                exit(3)
            elif args.data.startswith("@"):
                type = "folder"
                matches = list(filter(lambda k: k == args.data, self.folders))
                reversematches = list(filter(lambda k: "@" + k == args.data, self.nodes))
            else:
                type = "node"
                matches = list(filter(lambda k: k == args.data, self.nodes))
                reversematches = list(filter(lambda k: k == "@" + args.data, self.folders))
            if len(matches) > 0:
                print("{} already exist".format(matches[0]))
                exit(4)
            if len(reversematches) > 0:
                print("{} already exist".format(reversematches[0]))
                exit(4)
            else:
                if type == "folder":
                    uniques = self.config._explode_unique(args.data)
                    if uniques == False:
                        print("Invalid folder {}".format(args.data))
                        exit(5)
                    if "subfolder" in uniques.keys():
                        parent = "@" + uniques["folder"]
                        if parent not in self.folders:
                            print("Folder {} not found".format(uniques["folder"]))
                            exit(2)
                    self.config._folder_add(**uniques)
                    self.config._saveconfig(self.config.file)
                    print("{} added succesfully".format(args.data))
                        
                if type == "node":
                    nodefolder = args.data.partition("@")
                    nodefolder = "@" + nodefolder[2]
                    if nodefolder not in self.folders and nodefolder != "@":
                        print(nodefolder + " not found")
                        exit(2)
                    uniques = self.config._explode_unique(args.data)
                    if uniques == False:
                        print("Invalid node {}".format(args.data))
                        exit(5)
                    print("You can use the configured setting in a profile using @profilename.")
                    print("You can also leave empty any value except hostname/IP.")
                    print("You can pass 1 or more passwords using comma separated @profiles")
                    print("You can use this variables on logging file name: ${id} ${unique} ${host} ${port} ${user} ${protocol}")
                    newnode = self._questions_nodes(args.data, uniques)
                    if newnode == False:
                        exit(7)
                    self.config._connections_add(**newnode)
                    self.config._saveconfig(self.config.file)
                    print("{} added succesfully".format(args.data))
        elif args.action == "show":
            if args.data == None:
                print("Missing argument node")
                exit(3)
            matches = list(filter(lambda k: k == args.data, self.nodes))
            if len(matches) == 0:
                print("{} not found".format(args.data))
                exit(2)
            node = self.config.getitem(matches[0])
            for k, v in node.items():
                if isinstance(v, str):
                    print(k + ": " + v)
                else:
                    print(k + ":")
                    for i in v:
                        print("  - " + i)
        elif args.action == "mod":
            if args.data == None:
                print("Missing argument node")
                exit(3)
            matches = list(filter(lambda k: k == args.data, self.nodes))
            if len(matches) == 0:
                print("{} not found".format(args.data))
                exit(2)
            node = self.config.getitem(matches[0])
            edits = self._questions_edit()
            if edits == None:
                exit(7)
            uniques = self.config._explode_unique(args.data)
            updatenode = self._questions_nodes(args.data, uniques, edit=edits)
            if not updatenode:
                exit(7)
            uniques.update(node)
            uniques["type"] = "connection"
            if sorted(updatenode.items()) == sorted(uniques.items()):
                print("Nothing to do here")
                return
            else:
                self.config._connections_add(**updatenode)
                self.config._saveconfig(self.config.file)
                print("{} edited succesfully".format(args.data))


    def _func_profile(self, args):
        #Function called when managing profiles
        if not self.case:
            args.data[0] = args.data[0].lower()
        if args.action == "del":
            matches = list(filter(lambda k: k == args.data[0], self.profiles))
            if len(matches) == 0:
                print("{} not found".format(args.data[0]))
                exit(2)
            if matches[0] == "default":
                print("Can't delete default profile")
                exit(6)
            usedprofile = self._profileused(matches[0])
            if len(usedprofile) > 0:
                print("Profile {} used in the following nodes:".format(matches[0]))
                print(", ".join(usedprofile))
                exit(8)
            question = [inquirer.Confirm("delete", message="Are you sure you want to delete {}?".format(matches[0]))]
            confirm = inquirer.prompt(question)
            if confirm["delete"]:
                self.config._profiles_del(id = matches[0])
                self.config._saveconfig(self.config.file)
                print("{} deleted succesfully".format(matches[0]))
        elif args.action == "show":
            matches = list(filter(lambda k: k == args.data[0], self.profiles))
            if len(matches) == 0:
                print("{} not found".format(args.data[0]))
                exit(2)
            profile = self.config.profiles[matches[0]]
            for k, v in profile.items():
                if isinstance(v, str):
                    print(k + ": " + v)
                else:
                    print(k + ":")
                    for i in v:
                        print("  - " + i)
        elif args.action == "add":
            matches = list(filter(lambda k: k == args.data[0], self.profiles))
            if len(matches) > 0:
                print("Profile {} Already exist".format(matches[0]))
                exit(4)
            newprofile = self._questions_profiles(args.data[0])
            if newprofile == False:
                exit(7)
            self.config._profiles_add(**newprofile)
            self.config._saveconfig(self.config.file)
            print("{} added succesfully".format(args.data[0]))
        elif args.action == "mod":
            matches = list(filter(lambda k: k == args.data[0], self.profiles))
            if len(matches) == 0:
                print("{} not found".format(args.data[0]))
                exit(2)
            profile = self.config.profiles[matches[0]]
            oldprofile = {"id": matches[0]}
            oldprofile.update(profile)
            edits = self._questions_edit()
            if edits == None:
                exit(7)
            updateprofile = self._questions_profiles(matches[0], edit=edits)
            if not updateprofile:
                exit(7)
            if sorted(updateprofile.items()) == sorted(oldprofile.items()):
                print("Nothing to do here")
                return
            else:
                self.config._profiles_add(**updateprofile)
                self.config._saveconfig(self.config.file)
                print("{} edited succesfully".format(args.data[0]))
    
    def _func_others(self, args):
        #Function called when using other commands
        if args.command == "ls":
            print(*getattr(self, args.data), sep="\n")
        elif args.command == "move" or args.command == "cp":
            if not self.case:
                args.data[0] = args.data[0].lower()
                args.data[1] = args.data[1].lower()
            source = list(filter(lambda k: k == args.data[0], self.nodes))
            dest = list(filter(lambda k: k == args.data[1], self.nodes))
            if len(source) != 1:
                print("{} not found".format(args.data[0]))
                exit(2)
            if len(dest) > 0:
                print("Node {} Already exist".format(args.data[1]))
                exit(4)
            nodefolder = args.data[1].partition("@")
            nodefolder = "@" + nodefolder[2]
            if nodefolder not in self.folders and nodefolder != "@":
                print("{} not found".format(nodefolder))
                exit(2)
            olduniques = self.config._explode_unique(args.data[0])
            newuniques = self.config._explode_unique(args.data[1])
            if newuniques == False:
                print("Invalid node {}".format(args.data[1]))
                exit(5)
            node = self.config.getitem(source[0])
            newnode = {**newuniques, **node}
            self.config._connections_add(**newnode)
            if args.command == "move":
               self.config._connections_del(**olduniques) 
            self.config._saveconfig(self.config.file)
            if args.command == "move":
                print("{} moved succesfully to {}".format(args.data[0],args.data[1]))
            if args.command == "cp":
                print("{} copied succesfully to {}".format(args.data[0],args.data[1]))
        elif args.command == "bulk":
            newnodes = self._questions_bulk()
            if newnodes == False:
                exit(7)
            if not self.case:
                newnodes["location"] = newnodes["location"].lower()
                newnodes["ids"] = newnodes["ids"].lower()
            ids = newnodes["ids"].split(",")
            hosts = newnodes["host"].split(",")
            count = 0
            for n in ids:
                unique = n + newnodes["location"]
                matches = list(filter(lambda k: k == unique, self.nodes))
                reversematches = list(filter(lambda k: k == "@" + unique, self.folders))
                if len(matches) > 0:
                    print("Node {} already exist, ignoring it".format(unique))
                    continue
                if len(reversematches) > 0:
                    print("Folder with name {} already exist, ignoring it".format(unique))
                    continue
                newnode = {"id": n}
                if newnodes["location"] != "":
                    location = self.config._explode_unique(newnodes["location"])
                    newnode.update(location)
                if len(hosts) > 1:
                    index = ids.index(n)
                    newnode["host"] = hosts[index]
                else:
                    newnode["host"] = hosts[0]
                newnode["protocol"] = newnodes["protocol"]
                newnode["port"] = newnodes["port"]
                newnode["options"] = newnodes["options"]
                newnode["logs"] = newnodes["logs"]
                newnode["user"] = newnodes["user"]
                newnode["password"] = newnodes["password"]
                count +=1
                self.config._connections_add(**newnode)
                self.nodes = self._getallnodes()
            if count > 0:
                self.config._saveconfig(self.config.file)
                print("Succesfully added {} nodes".format(count))
            else:
                print("0 nodes added")
        else:
            if args.command == "completion":
                if args.data[0] == "bash":
                    print(self._help("bashcompletion"))
                elif args.data[0] == "zsh":
                    print(self._help("zshcompletion"))
            else:
                if args.command == "case":
                    if args.data[0] == "true":
                        args.data[0] = True
                    elif args.data[0] == "false":
                        args.data[0] = False
                if args.command == "fzf":
                    if args.data[0] == "true":
                        args.data[0] = True
                    elif args.data[0] == "false":
                        args.data[0] = False
                if args.command == "idletime":
                    if args.data[0] < 0:
                        args.data[0] = 0
                self.config.config[args.command] = args.data[0]
                self.config._saveconfig(self.config.file)
                print("Config saved")

    def _func_run(self, args):
        if len(args.data) > 1:
            command = " ".join(args.data[1:])
            command = command.split("-")
            matches = list(filter(lambda k: k == args.data[0], self.nodes))
            if len(matches) == 0:
                print("{} not found".format(args.data[0]))
                exit(2)
            node = self.config.getitem(matches[0])
            node = self.node(matches[0],**node, config = self.config)
            node.run(command)
            print(node.output)
        else:
            if args.action == "generate":
                if os.path.exists(args.data[0]):
                    print("File {} already exists".format(args.data[0]))
                    exit(14)
                else:
                    with open(args.data[0], "w") as file:
                        file.write(self._help("generate"))
                        file.close()
                    print("File {} generated succesfully".format(args.data[0]))
                    exit()
            try:
                with open(args.data[0]) as file:
                    scripts = yaml.load(file, Loader=yaml.FullLoader)
            except:
                print("failed reading file {}".format(args.data[0]))
                exit(10)
            for script in scripts["tasks"]:
                nodes = {}
                args = {}
                try:
                    action = script["action"]
                except:
                    print("Action is mandatory")
                    exit(11)
                try:
                    nodelist = script["nodes"]
                except:
                    print("Nodes list is mandatory")
                    exit(11)
                # try:
                for i in nodelist:
                    if isinstance(i, dict):
                        name = list(i.keys())[0]
                        this = self.config.getitem(name, i[name])
                        nodes.update(this)
                    elif i.startswith("@"):
                        this = self.config.getitem(i)
                        nodes.update(this)
                    else:
                        this = self.config.getitem(i)
                        nodes[i] = this
                nodes = self.connnodes(nodes, config = self.config)
                # except:
                    # print("Failed getting nodes")
                    # exit(12)
                try:
                    args["commands"] = script["commands"]
                except:
                    print("Commands list is mandatory")
                    exit(11)
                if action == "test":
                    try:
                        args["expected"] = script["expected"]
                    except:
                        print("Expected is mandatory with action 'test'")
                        exit(11)
                try:
                    args["vars"] = script["variables"]
                except:
                    pass
                try:
                    output = script["output"]
                except:
                    print("output is mandatory")
                    exit(11)
                stdout = False
                if output is None:
                    pass
                elif output == "stdout":
                    stdout = True
                elif isinstance(output, str) and action == "run":
                    args["folder"] = output
                try:
                    options = script["options"]
                except:
                    options = None
                if options is not None:
                    thisoptions = {k: v for k, v in options.items() if k in ["prompt", "parallel", "timeout"]}
                    print(thisoptions)
                    args.update(thisoptions)
                size = str(os.get_terminal_size())
                p = re.search(r'.*columns=([0-9]+)', size)
                columns = int(p.group(1))
                if action == "run":
                    nodes.run(**args)
                    print(script["name"].upper() + "-" * (columns - len(script["name"])))
                    for i in nodes.status.keys():
                        print("   " + i + " " + "-" * (columns - len(i) - 13) + (" PASS(0)" if nodes.status[i] == 0 else " FAIL({})".format(nodes.status[i])))
                        if stdout:
                            for line in nodes.output[i].splitlines():
                                print("      " + line)
                elif action == "test":
                    nodes.test(**args)
                    print(script["name"].upper() + "-" * (columns - len(script["name"])))
                    for i in nodes.status.keys():
                        print("   " + i + " " + "-" * (columns - len(i) - 13) + (" PASS(0)" if nodes.status[i] == 0 else " FAIL({})".format(nodes.status[i])))
                        if nodes.status[i] == 0:
                            try:
                                myexpected = args["expected"].format(**args["vars"][i])
                            except:
                                try:
                                    myexpected = args["expected"].format(**args["vars"]["__global__"])
                                except:
                                    myexpected = args["expected"]
                            print("     TEST for '{}' --> ".format(myexpected) + str(nodes.result[i]).upper())
                        if stdout:
                            if nodes.status[i] == 0:
                                print("     " + "-" * (len(myexpected) + 16 + len(str(nodes.result[i]))))
                            for line in nodes.output[i].splitlines():
                                print("      " + line)
                else:
                    print("Wrong action '{}'".format(action))
                    exit(13)

    def _choose(self, list, name, action):
        #Generates an inquirer list to pick
        if FzfPrompt and self.fzf:
            fzf = FzfPrompt(executable_path="fzf-tmux")
            answer = fzf.prompt(list, fzf_options="-d 25%")
            if len(answer) == 0:
                return
            else:
                return answer[0]
        else:
            questions = [inquirer.List(name, message="Pick {} to {}:".format(name,action), choices=list, carousel=True)]
            answer = inquirer.prompt(questions)
            if answer == None:
                return
            else:
                return answer[name]

    def _host_validation(self, answers, current, regex = "^.+$"):
        #Validate hostname in inquirer when managing nodes
        if not re.match(regex, current):
            raise inquirer.errors.ValidationError("", reason="Host cannot be empty")
        if current.startswith("@"):
            if current[1:] not in self.profiles:
                raise inquirer.errors.ValidationError("", reason="Profile {} don't exist".format(current))
        return True

    def _profile_protocol_validation(self, answers, current, regex = "(^ssh$|^telnet$|^$)"):
        #Validate protocol in inquirer when managing profiles
        if not re.match(regex, current):
            raise inquirer.errors.ValidationError("", reason="Pick between ssh, telnet or leave empty")
        return True

    def _protocol_validation(self, answers, current, regex = "(^ssh$|^telnet$|^$|^@.+$)"):
        #Validate protocol in inquirer when managing nodes
        if not re.match(regex, current):
            raise inquirer.errors.ValidationError("", reason="Pick between ssh, telnet, leave empty or @profile")
        if current.startswith("@"):
            if current[1:] not in self.profiles:
                raise inquirer.errors.ValidationError("", reason="Profile {} don't exist".format(current))
        return True

    def _profile_port_validation(self, answers, current, regex = "(^[0-9]*$)"):
        #Validate port in inquirer when managing profiles
        if not re.match(regex, current):
            raise inquirer.errors.ValidationError("", reason="Pick a port between 1-65535, @profile o leave empty")
        try:
            port = int(current)
        except:
            port = 0
        if current != "" and not 1 <= int(port) <= 65535:
            raise inquirer.errors.ValidationError("", reason="Pick a port between 1-65535 or leave empty")
        return True

    def _port_validation(self, answers, current, regex = "(^[0-9]*$|^@.+$)"):
        #Validate port in inquirer when managing nodes
        if not re.match(regex, current):
            raise inquirer.errors.ValidationError("", reason="Pick a port between 1-65535, @profile or leave empty")
        try:
            port = int(current)
        except:
            port = 0
        if current.startswith("@"):
            if current[1:] not in self.profiles:
                raise inquirer.errors.ValidationError("", reason="Profile {} don't exist".format(current))
        elif current != "" and not 1 <= int(port) <= 65535:
            raise inquirer.errors.ValidationError("", reason="Pick a port between 1-65535, @profile o leave empty")
        return True

    def _pass_validation(self, answers, current, regex = "(^@.+$)"):
        #Validate password in inquirer
        profiles = current.split(",")
        for i in profiles:
            if not re.match(regex, i) or i[1:] not in self.profiles:
                raise inquirer.errors.ValidationError("", reason="Profile {} don't exist".format(i))
        return True

    def _default_validation(self, answers, current):
        #Default validation type used in multiples questions in inquirer
        if current.startswith("@"):
            if current[1:] not in self.profiles:
                raise inquirer.errors.ValidationError("", reason="Profile {} don't exist".format(current))
        return True

    def _bulk_node_validation(self, answers, current, regex = "^[0-9a-zA-Z_.,$#-]+$"):
        #Validation of nodes when running bulk command
        if not re.match(regex, current):
            raise inquirer.errors.ValidationError("", reason="Host cannot be empty")
        if current.startswith("@"):
            if current[1:] not in self.profiles:
                raise inquirer.errors.ValidationError("", reason="Profile {} don't exist".format(current))
        return True

    def _bulk_folder_validation(self, answers, current):
        #Validation of folders when running bulk command
        if not self.case:
            current = current.lower()
        matches = list(filter(lambda k: k == current, self.folders))
        if current != "" and len(matches) == 0:
            raise inquirer.errors.ValidationError("", reason="Location {} don't exist".format(current))
        return True

    def _bulk_host_validation(self, answers, current, regex = "^.+$"):
        #Validate hostname when running bulk command
        if not re.match(regex, current):
            raise inquirer.errors.ValidationError("", reason="Host cannot be empty")
        if current.startswith("@"):
            if current[1:] not in self.profiles:
                raise inquirer.errors.ValidationError("", reason="Profile {} don't exist".format(current))
        hosts = current.split(",")
        nodes = answers["ids"].split(",")
        if len(hosts) > 1 and len(hosts) != len(nodes):
                raise inquirer.errors.ValidationError("", reason="Hosts list should be the same length of nodes list")
        return True

    def _questions_edit(self):
        #Inquirer questions when editing nodes or profiles
        questions = []
        questions.append(inquirer.Confirm("host", message="Edit Hostname/IP?"))
        questions.append(inquirer.Confirm("protocol", message="Edit Protocol?"))
        questions.append(inquirer.Confirm("port", message="Edit Port?"))
        questions.append(inquirer.Confirm("options", message="Edit Options?"))
        questions.append(inquirer.Confirm("logs", message="Edit logging path/file?"))
        questions.append(inquirer.Confirm("user", message="Edit User?"))
        questions.append(inquirer.Confirm("password", message="Edit password?"))
        answers = inquirer.prompt(questions)
        return answers

    def _questions_nodes(self, unique, uniques = None, edit = None):
        #Questions when adding or editing nodes
        try:
            defaults = self.config.getitem(unique)
        except:
            defaults = { "host":"", "protocol":"", "port":"", "user":"", "options":"", "logs":"" }
        node = {}

        if edit == None:
            edit = { "host":True, "protocol":True, "port":True, "user":True, "password": True,"options":True, "logs":True }
        questions = []
        if edit["host"]:
            questions.append(inquirer.Text("host", message="Add Hostname or IP", validate=self._host_validation, default=defaults["host"]))
        else:
            node["host"] = defaults["host"]
        if edit["protocol"]:
            questions.append(inquirer.Text("protocol", message="Select Protocol", validate=self._protocol_validation, default=defaults["protocol"]))
        else:
            node["protocol"] = defaults["protocol"]
        if edit["port"]:
            questions.append(inquirer.Text("port", message="Select Port Number", validate=self._port_validation, default=defaults["port"]))
        else:
            node["port"] = defaults["port"]
        if edit["options"]:
            questions.append(inquirer.Text("options", message="Pass extra options to protocol", validate=self._default_validation, default=defaults["options"]))
        else:
            node["options"] = defaults["options"]
        if edit["logs"]:
            questions.append(inquirer.Text("logs", message="Pick logging path/file ", validate=self._default_validation, default=defaults["logs"]))
        else:
            node["logs"] = defaults["logs"]
        if edit["user"]:
            questions.append(inquirer.Text("user", message="Pick username", validate=self._default_validation, default=defaults["user"]))
        else:
            node["user"] = defaults["user"]
        if edit["password"]:
            questions.append(inquirer.List("password", message="Password: Use a local password, no password or a list of profiles to reference?", choices=["Local Password", "Profiles", "No Password"]))
        else:
            node["password"] = defaults["password"]
        answer = inquirer.prompt(questions)
        if answer == None:
            return False
        if "password" in answer.keys():
            if answer["password"] == "Local Password":
                passq = [inquirer.Password("password", message="Set Password")]
                passa = inquirer.prompt(passq)
                if passa == None:
                    return False
                answer["password"] = self.encrypt(passa["password"])
            elif answer["password"] == "Profiles":
                passq = [(inquirer.Text("password", message="Set a @profile or a comma separated list of @profiles", validate=self._pass_validation))]
                passa = inquirer.prompt(passq)
                if passa == None:
                    return False
                answer["password"] = passa["password"].split(",")
            elif answer["password"] == "No Password":
                answer["password"] = ""
        result = {**uniques, **answer, **node}
        result["type"] = "connection"
        return result

    def _questions_profiles(self, unique, edit = None):
        #Questions when adding or editing profiles
        try:
            defaults = self.config.profiles[unique]
        except:
            defaults = { "host":"", "protocol":"", "port":"", "user":"", "options":"", "logs":"" }
        profile = {}
        if edit == None:
            edit = { "host":True, "protocol":True, "port":True, "user":True, "password": True,"options":True, "logs":True }
        questions = []
        if edit["host"]:
            questions.append(inquirer.Text("host", message="Add Hostname or IP", default=defaults["host"]))
        else:
            profile["host"] = defaults["host"]
        if edit["protocol"]:
            questions.append(inquirer.Text("protocol", message="Select Protocol", validate=self._profile_protocol_validation, default=defaults["protocol"]))
        else:
            profile["protocol"] = defaults["protocol"]
        if edit["port"]:
            questions.append(inquirer.Text("port", message="Select Port Number", validate=self._profile_port_validation, default=defaults["port"]))
        else:
            profile["port"] = defaults["port"]
        if edit["options"]:
            questions.append(inquirer.Text("options", message="Pass extra options to protocol", default=defaults["options"]))
        else:
            profile["options"] = defaults["options"]
        if edit["logs"]:
            questions.append(inquirer.Text("logs", message="Pick logging path/file ", default=defaults["logs"]))
        else:
            profile["logs"] = defaults["logs"]
        if edit["user"]:
            questions.append(inquirer.Text("user", message="Pick username", default=defaults["user"]))
        else:
            profile["user"] = defaults["user"]
        if edit["password"]:
            questions.append(inquirer.Password("password", message="Set Password"))
        else:
            profile["password"] = defaults["password"]
        answer = inquirer.prompt(questions)
        if answer == None:
            return False
        if "password" in answer.keys():
            if answer["password"] != "":
                answer["password"] = self.encrypt(answer["password"])
        result = {**answer, **profile}
        result["id"] = unique
        return result

    def _questions_bulk(self):
        #Questions when using bulk command
        questions = []
        questions.append(inquirer.Text("ids", message="add a comma separated list of nodes to add", validate=self._bulk_node_validation))
        questions.append(inquirer.Text("location", message="Add a @folder, @subfolder@folder or leave empty", validate=self._bulk_folder_validation))
        questions.append(inquirer.Text("host", message="Add comma separated list of Hostnames or IPs", validate=self._bulk_host_validation))
        questions.append(inquirer.Text("protocol", message="Select Protocol", validate=self._protocol_validation))
        questions.append(inquirer.Text("port", message="Select Port Number", validate=self._port_validation))
        questions.append(inquirer.Text("options", message="Pass extra options to protocol", validate=self._default_validation))
        questions.append(inquirer.Text("logs", message="Pick logging path/file ", validate=self._default_validation))
        questions.append(inquirer.Text("user", message="Pick username", validate=self._default_validation))
        questions.append(inquirer.List("password", message="Password: Use a local password, no password or a list of profiles to reference?", choices=["Local Password", "Profiles", "No Password"]))
        answer = inquirer.prompt(questions)
        if answer == None:
            return False
        if "password" in answer.keys():
            if answer["password"] == "Local Password":
                passq = [inquirer.Password("password", message="Set Password")]
                passa = inquirer.prompt(passq)
                answer["password"] = self.encrypt(passa["password"])
            elif answer["password"] == "Profiles":
                passq = [(inquirer.Text("password", message="Set a @profile or a comma separated list of @profiles", validate=self._pass_validation))]
                passa = inquirer.prompt(passq)
                answer["password"] = passa["password"].split(",")
            elif answer["password"] == "No Password":
                answer["password"] = ""
        answer["type"] = "connection"
        return answer

    def _type_node(self, arg_value, pat=re.compile(r"^[0-9a-zA-Z_.$@#-]+$")):
        if not pat.match(arg_value):
            raise argparse.ArgumentTypeError
        return arg_value
    
    def _type_profile(self, arg_value, pat=re.compile(r"^[0-9a-zA-Z_.$#-]+$")):
        if not pat.match(arg_value):
            raise argparse.ArgumentTypeError
        return arg_value

    def _help(self, type):
        #Store text for help and other commands
        if type == "node":
            return "node[@subfolder][@folder]\nConnect to specific node or show all matching nodes\n[@subfolder][@folder]\nShow all available connections globaly or in specified path"
        if type == "usage":
            return "conn [-h] [--add | --del | --mod | --show | --debug] [node|folder]\n       conn {profile,move,mv,copy,cp,list,ls,bulk,config} ..."
        if type == "end":
            return "Commands:\n  profile        Manage profiles\n  move (mv)      Move node\n  copy (cp)      Copy node\n  list (ls)      List profiles, nodes or folders\n  bulk           Add nodes in bulk\n  run            Run scripts or commands on nodes\n  config         Manage app config"
        if type == "bashcompletion":
            return '''
#Here starts bash completion for conn
_conn()
{
        strings="$(connpy-completion-helper ${#COMP_WORDS[@]} ${COMP_WORDS[@]})"
        COMPREPLY=($(compgen -W "$strings" -- "${COMP_WORDS[-1]}"))
}
complete -o nosort -F _conn conn
complete -o nosort -F _conn connpy
#Here ends bash completion for conn
        '''
        if type == "zshcompletion":
            return '''

#Here starts zsh completion for conn
autoload -U compinit && compinit
_conn()
{
    strings=($(connpy-completion-helper ${#words} $words))
    compadd "$@" -- `echo $strings`
}
compdef _conn conn
compdef _conn connpy
#Here ends zsh completion for conn
            '''
        if type == "run":
            return "node[@subfolder][@folder] commmand to run\nRun the specific command on the node and print output\n/path/to/file.yaml\nUse a yaml file to run an automation script"
        if type == "generate":
            return '''---
tasks:
- name: "Config"

  action: 'run' #Action can be test or run. Mandatory

  nodes: #List of nodes to work on. Mandatory
  - 'router1@office' #You can add specific nodes
  - '@aws'  #entire folders or subfolders
  - '@office':   #or filter inside a filder or subfolder
    - 'router2'
    - 'router7'

  commands: #List of commands to send, use {name} to pass variables
  - 'term len 0'
  - 'conf t'
  - 'interface {if}'
  - 'ip address 10.100.100.{id} 255.255.255.255'
  - '{commit}'
  - 'end'

  variables: #Variables to use on commands and expected. Optional
    __global__: #Global variables to use on all nodes, fallback if missing in the node.
      commit: ''
      if: 'loopback100'
    router1@office:
      id: 1
    router2@office:
      id: 2
      commit: 'commit'
    router3@office:
      id: 3
    vrouter1@aws:
      id: 4
    vrouterN@aws:
      id: 5
  
  output: /home/user/logs #Type of output, if null you only get Connection and test result. Choices are: null,stdout,/path/to/folder. Folder path only works on 'run' action.
  
  options:
    prompt: r'>$|#$|\$$|>.$|#.$|\$.$' #Optional prompt to check on your devices, default should work on most devices.
    parallel: 10 #Optional number of nodes to run commands on parallel. Default 10.
    timeout: 20 #Optional time to wait in seconds for prompt, expected or EOF. Default 20. 

- name: "TestConfig"
  action: 'test'
  nodes:
  - 'router1@office'
  - '@aws'
  - '@office':
    - 'router2'
    - 'router7'
  commands:
  - 'ping 10.100.100.{id}'
  expected: '!' #Expected text to find when running test action. Mandatory for 'test'
  variables:
    router1@office:
      id: 1
    router2@office:
      id: 2
      commit: 'commit'
    router3@office:
      id: 3
    vrouter1@aws:
      id: 4
    vrouterN@aws:
      id: 5
  output: null
...'''

    def _getallnodes(self):
        #get all nodes on configfile
        nodes = []
        layer1 = [k for k,v in self.config.connections.items() if isinstance(v, dict) and v["type"] == "connection"]
        folders = [k for k,v in self.config.connections.items() if isinstance(v, dict) and v["type"] == "folder"]
        nodes.extend(layer1)
        for f in folders:
            layer2 = [k + "@" + f for k,v in self.config.connections[f].items() if isinstance(v, dict) and v["type"] == "connection"]
            nodes.extend(layer2)
            subfolders = [k for k,v in self.config.connections[f].items() if isinstance(v, dict) and v["type"] == "subfolder"]
            for s in subfolders:
                layer3 = [k + "@" + s + "@" + f for k,v in self.config.connections[f][s].items() if isinstance(v, dict) and v["type"] == "connection"]
                nodes.extend(layer3)
        return nodes

    def _getallfolders(self):
        #get all folders on configfile
        folders = ["@" + k for k,v in self.config.connections.items() if isinstance(v, dict) and v["type"] == "folder"]
        subfolders = []
        for f in folders:
            s = ["@" + k + f for k,v in self.config.connections[f[1:]].items() if isinstance(v, dict) and v["type"] == "subfolder"]
            subfolders.extend(s)
        folders.extend(subfolders)
        return folders

    def _profileused(self, profile):
        #Check if profile is used before deleting it
        nodes = []
        layer1 = [k for k,v in self.config.connections.items() if isinstance(v, dict) and v["type"] == "connection" and ("@" + profile in v.values() or ( isinstance(v["password"],list) and "@" + profile in v["password"]))]
        folders = [k for k,v in self.config.connections.items() if isinstance(v, dict) and v["type"] == "folder"]
        nodes.extend(layer1)
        for f in folders:
            layer2 = [k + "@" + f for k,v in self.config.connections[f].items() if isinstance(v, dict) and v["type"] == "connection" and ("@" + profile in v.values() or ( isinstance(v["password"],list) and "@" + profile in v["password"]))]
            nodes.extend(layer2)
            subfolders = [k for k,v in self.config.connections[f].items() if isinstance(v, dict) and v["type"] == "subfolder"]
            for s in subfolders:
                layer3 = [k + "@" + s + "@" + f for k,v in self.config.connections[f][s].items() if isinstance(v, dict) and v["type"] == "connection" and ("@" + profile in v.values() or ( isinstance(v["password"],list) and "@" + profile in v["password"]))]
                nodes.extend(layer3)
        return nodes

    def encrypt(self, password, keyfile=None):
        '''
        Encrypts password using RSA keyfile

        ### Parameters:  

            - password (str): Plaintext password to encrypt.

        ### Optional Parameters:  

            - keyfile  (str): Path/file to keyfile. Default is config keyfile.
                              

        ### Returns:  

            str: Encrypted password.

        '''
        if keyfile is None:
            keyfile = self.config.key
        key = RSA.import_key(open(keyfile).read())
        publickey = key.publickey()
        encryptor = PKCS1_OAEP.new(publickey)
        password = encryptor.encrypt(password.encode("utf-8"))
        return str(password)