"""Composing support request message functions."""
# pylint: disable=no-member

import ctypes
import ssl
import sys
import time

from PyQt4 import QtCore

import account
import defaults
import helper_db
import network.stats
import paths
import proofofwork
import queues
import state
from bmconfigparser import BMConfigParser
from foldertree import AccountMixin
from helper_sql import sqlExecute
from l10n import getTranslationLanguage
from openclpow import openclEnabled
from pyelliptic.openssl import OpenSSL
from settings import getSOCKSProxyType
from version import softwareVersion
from tr import _translate


# this is BM support address going to Peter Surda
OLD_SUPPORT_ADDRESS = 'BM-2cTkCtMYkrSPwFTpgcBrMrf5d8oZwvMZWK'
SUPPORT_ADDRESS = 'BM-2cUdgkDDAahwPAU6oD2A7DnjqZz3hgY832'
SUPPORT_LABEL = _translate("Support", "PyBitmessage support")
SUPPORT_MY_LABEL = _translate("Support", "My new address")
SUPPORT_SUBJECT = 'Support request'
SUPPORT_MESSAGE = _translate("Support", '''
You can use this message to send a report to one of the PyBitmessage core \
developers regarding PyBitmessage or the mailchuck.com email service. \
If you are using PyBitmessage involuntarily, for example because \
your computer was infected with ransomware, this is not an appropriate venue \
for resolving such issues.

Please describe what you are trying to do:

Please describe what you expect to happen:

Please describe what happens instead:


^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Please write above this line and if possible, keep the information about your \
environment below intact.

PyBitmessage version: {}
Operating system: {}
Architecture: {}bit
Python Version: {}
OpenSSL Version: {}
Frozen: {}
Portable mode: {}
C PoW: {}
OpenCL PoW: {}
Locale: {}
SOCKS: {}
UPnP: {}
Connected hosts: {}
''')


def checkAddressBook(myapp):
    sqlExecute('DELETE FROM addressbook WHERE address=?', OLD_SUPPORT_ADDRESS)
    if helper_db.put_addressbook(SUPPORT_LABEL.toUtf8(), SUPPORT_ADDRESS):
        myapp.rerenderAddressBook()


def checkHasNormalAddress():
    for address in account.getSortedAccounts():
        acct = account.accountClass(address)
        if acct.type == AccountMixin.NORMAL and BMConfigParser().safeGetBoolean(address, 'enabled'):
            return address
    return False


def createAddressIfNeeded(myapp):
    if not checkHasNormalAddress():
        queues.addressGeneratorQueue.put((
            'createRandomAddress', 4, 1,
            str(SUPPORT_MY_LABEL.toUtf8()),
            1, "", False,
            defaults.networkDefaultProofOfWorkNonceTrialsPerByte,
            defaults.networkDefaultPayloadLengthExtraBytes
        ))
    while state.shutdown == 0 and not checkHasNormalAddress():
        time.sleep(.2)
    myapp.rerenderComboBoxSendFrom()
    return checkHasNormalAddress()


def createSupportMessage(myapp):
    checkAddressBook(myapp)
    address = createAddressIfNeeded(myapp)
    if state.shutdown:
        return

    myapp.ui.lineEditSubject.setText(SUPPORT_SUBJECT)
    addrIndex = myapp.ui.comboBoxSendFrom.findData(
        address, QtCore.Qt.UserRole,
        QtCore.Qt.MatchFixedString | QtCore.Qt.MatchCaseSensitive)
    if addrIndex == -1:  # something is very wrong
        return
    myapp.ui.comboBoxSendFrom.setCurrentIndex(addrIndex)
    myapp.ui.lineEditTo.setText(SUPPORT_ADDRESS)

    version = softwareVersion
    commit = paths.lastCommit().get('commit')
    if commit:
        version += " GIT " + commit

    os = sys.platform
    if os == "win32":
        windowsversion = sys.getwindowsversion()
        os = "Windows " + str(windowsversion[0]) + "." + str(windowsversion[1])
    else:
        try:
            from os import uname
            unixversion = uname()
            os = unixversion[0] + " " + unixversion[2]
        except:
            pass
    architecture = "32" if ctypes.sizeof(ctypes.c_voidp) == 4 else "64"
    pythonversion = sys.version

    opensslversion = "%s (Python internal), %s (external for PyElliptic)" % (
        ssl.OPENSSL_VERSION, OpenSSL._version)

    frozen = "N/A"
    if paths.frozen:
        frozen = paths.frozen
    portablemode = "True" if state.appdata == paths.lookupExeFolder() else "False"
    cpow = "True" if proofofwork.bmpow else "False"
    openclpow = str(
        BMConfigParser().safeGet('bitmessagesettings', 'opencl')
    ) if openclEnabled() else "None"
    locale = getTranslationLanguage()
    socks = getSOCKSProxyType(BMConfigParser()) or "N/A"
    upnp = BMConfigParser().safeGet('bitmessagesettings', 'upnp', "N/A")
    connectedhosts = len(network.stats.connectedHostsList())

    myapp.ui.textEditMessage.setText(unicode(SUPPORT_MESSAGE, 'utf-8').format(
        version, os, architecture, pythonversion, opensslversion, frozen,
        portablemode, cpow, openclpow, locale, socks, upnp, connectedhosts))

    # single msg tab
    myapp.ui.tabWidgetSend.setCurrentIndex(
        myapp.ui.tabWidgetSend.indexOf(myapp.ui.sendDirect)
    )
    # send tab
    myapp.ui.tabWidget.setCurrentIndex(
        myapp.ui.tabWidget.indexOf(myapp.ui.send)
    )