#!/usr/bin/python3

import xml.etree.ElementTree as ET
import requests


def get_apikey(configfile="/root/.config/syncthing/config.xml"):
    try:
        tree = ET.parse(configfile)
        root = tree.getroot()
        apikey = root.find("./gui/apikey").text
        return apikey
    except (FileNotFoundError, ET.ParseError, AttributeError) as exc:
        raise f"Exception {exc} occured"

    return ""


def get_config(url, verify, apikey):
    fullurl = "{0}/rest/system/config".format(url)
    ret = dict()
    try:
        req = requests.request("get",
                               fullurl,
                               verify=verify,
                               headers={"X-API-Key": apikey})
    except (requests.exceptions.RequestException) as exc:
        raise f"Exception {exc} occured"
    ret = req.json()
    if req.status_code == 200:
        return ret

    return None


def set_config(url, verify, apikey, config):
    fullurl = "{0}/rest/system/config".format(url)
    try:
        req = requests.request("post",
                               fullurl,
                               verify=verify,
                               headers={"X-API-Key": apikey},
                               json=config)
    except (requests.exceptions.RequestException) as exc:
        raise f"Exception {exc} occured"
    if req.status_code == 200:
        return True

    return None


def insync(url, verify, apikey):
    fullurl = "{0}/rest/system/config/insync".format(url)
    try:
        req = requests.request("get",
                               fullurl,
                               verify=verify,
                               headers={"X-API-Key": apikey})
    except (requests.exceptions.RequestException) as exc:
        raise f"Exception {exc} occured"
    ret = req.json()
    if req.status_code == 200:
        return ret

    return None


def restart(url, verify, apikey):
    fullurl = "{0}/rest/system/restart".format(url)
    try:
        req = requests.post(fullurl,
                            verify=verify,
                            headers={"X-API-Key": apikey})
    except (requests.exceptions.RequestException) as exc:
        raise f"Exception {exc} occured"
    if req.status_code == 200:
        return {}

    return None