import gi
gi.require_version('Gtk', '3.0')
from gi.repository import GLib, Gtk, GObject
import json
from nginxparser import loads
import re
import spur
import threading
import time


fp = open('creds.json', 'r')
creds = json.load(fp)

def ssh_command(command, sudo=False):
    shell = spur.SshShell(
        hostname=creds['host'],
        username=creds['user'],
	password=creds['passphrase'],
        private_key_file=creds['ssh_key_path'])
    with shell:
        command_bits = command.split(" ")
        if sudo:
            command_bits.insert(0, "sudo")
        process = shell.spawn(command_bits)
        if sudo:
            process.stdin_write(creds['password'])
        result = process.wait_for_result()
    return result.output.decode()

#
# def get_check_domain_command(domain):
#     return "sudo openssl x509 -text -in /etc/letsencrypt/live/" + domain + "/fullchain.pem"
#
# def join_commands(commands):
#     return " && ".join(commands)

class EntryWindow(Gtk.Window):

    def __init__(self):
        Gtk.Window.__init__(self, title="Entry Demo")
        self.set_size_request(200, 100)

        self.timeout_id = None

        vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=6)
        self.add(vbox)

        self.progressbar = Gtk.ProgressBar(show_text=True)
        # self.progressbar.set_fraction(0.0)
        vbox.pack_start(self.progressbar, True, True, 0)

        hbox = Gtk.Box(spacing=6)
        vbox.add(hbox)

        self.entry_passphrase = Gtk.Entry()
        # https://developer.gnome.org/gtk3/stable/GtkEntry.html#gtk-entry-set-invisible-char
        self.entry_passphrase.set_visibility(False)
        # self.entry_passphrase.set_text("Enter SSH key passphrase")
        hbox.pack_start(self.entry_passphrase, True, True, 0)

        self.entry_password = Gtk.Entry()
        self.entry_password.set_visibility(False)
        # self.entry_password.set_text("Enter sudo user password")
        hbox.pack_start(self.entry_password, True, True, 0)

        self.button = Gtk.Button(label="Click Here")
        self.button.connect("clicked", self.on_button_clicked)
        hbox.pack_start(self.button, True, True, 0)


    def update_progess(self, domain):
        self.progressbar.pulse()
        self.progressbar.set_text('Done: ' + domain)
        return False

    def get_https_domains(self):
        for d in self.domains:
            GLib.idle_add(self.get_https_subdomains_for_domain, d)
            time.sleep(0.4)

    def get_nginx_vhosts(self):
        for v in self.vhosts:
            GLib.idle_add(self.get_nginx_vhost, v)
            time.sleep(0.4)

    def start_thread(self, func):
        thread = threading.Thread(target=func)
        thread.daemon = True
        thread.start()

    def on_button_clicked(self, widget):
        decoded = ssh_command("ls /etc/nginx/sites-enabled")
        vhosts = decoded.split("\n")
        vhosts.pop()

        self.vhosts = vhosts
        self.num_vhosts = len(vhosts)
        self.vhosts_done = 0

        decoded = ssh_command("ls /etc/letsencrypt/live", True)
        domains = decoded.split("\n")
        domains.pop()

        self.domains = domains
        self.num_domains = len(domains)
        self.domains_done = 0

        self.start_thread(self.get_nginx_vhosts)
        # self.start_thread(self.get_https_domains)

        # subdomains = [self.get_https_subdomains_for_domain(d) for d in domains]
        # subdomains_dict = dict(zip(domains, subdomains))
        # print(subdomains_dict)


    def get_nginx_vhost(self, vhost):
        print(vhost)
        vhost_file = ssh_command("cat /etc/nginx/sites-enabled/" + vhost)
        parsed = loads(vhost_file)
        port_subdmomains = {}
        for server in parsed:
            server_inner = server[1]
            port = 0
            subdomains = []
            for directive in server_inner:
                if not port and "listen" in directive:
                    p = re.compile('(\d+)')
                    print('listen')
                    ports = p.findall(directive[1])
                    port = int(ports[0])
                if "server_name" in directive:
                    print('server_name')
                    print(directive)
                    subd_trimmed = directive[1].strip()
                    subdomains = subd_trimmed.split(' ')
            port_subdmomains[port] = subdomains
        print(port_subdmomains)
        self.vhosts_done += 1
        percent_done = self.vhosts_done * 1.0 / self.num_vhosts
        self.progressbar.set_fraction(percent_done)
        return False

    def get_https_subdomains_for_domain(self, domain):
        print(domain)
        p = re.compile('DNS:([0-9a-z-.]+)')
        cert_data = ssh_command("sudo openssl x509 -text -in /etc/letsencrypt/live/" + domain + "/fullchain.pem", True)
        self.domains_done += 1
        percent_done = self.domains_done * 1.0 / self.num_domains
        # print(percent_done)
        self.progressbar.set_fraction(percent_done)
        # self.progressbar.set_text('Done: ' + domain)

        # print(cert_data)
        # return p.findall (cert_data)
        return False


def app_main():
    win = EntryWindow()
    win.connect("delete-event", Gtk.main_quit)
    win.show_all()



if __name__ == '__main__':
    import signal
    signal.signal(signal.SIGINT, signal.SIG_DFL)

    # Calling GObject.threads_init() is not needed for PyGObject 3.10.2+
    GObject.threads_init()

    app_main()
    Gtk.main()