#!/usr/bin/env python
# vim: textwidth=0 wrapmargin=0 tabstop=4 shiftwidth=4 softtabstop=4 smartindent smarttab
"""Plugin that tests that modules we bundle for plugins are present and working."""

import logging
import os
import shutil
import sqlite3
import zipfile

import semantic_version
from SubA import SubA

from config import appname, appversion, config

# For compatibility with pre-5.0.0
if not hasattr(config, 'get_int'):
    config.get_int = config.getint

if not hasattr(config, 'get_str'):
    config.get_str = config.get

if not hasattr(config, 'get_bool'):
    config.get_bool = lambda key: bool(config.getint(key))

if not hasattr(config, 'get_list'):
    config.get_list = config.get

# This could also be returned from plugin_start3()
plugin_name = os.path.basename(os.path.dirname(__file__))

# Logger per found plugin, so the folder name is included in
# the logging format.
logger = logging.getLogger(f'{appname}.{plugin_name}')
if not logger.hasHandlers():
    level = logging.INFO  # So logger.info(...) is equivalent to print()

    logger.setLevel(level)
    logger_channel = logging.StreamHandler()
    logger_channel.setLevel(level)
    logger_formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(module)s:%(lineno)d:%(funcName)s: %(message)s')  # noqa: E501
    logger_formatter.default_time_format = '%Y-%m-%d %H:%M:%S'
    logger_formatter.default_msec_format = '%s.%03d'
    logger_channel.setFormatter(logger_formatter)
    logger.addHandler(logger_channel)


class This:
    """Module global variables."""

    def __init__(self):
        self.DBFILE = 'plugintest.db'
        self.plugin_test: PluginTest
        self.suba: SubA


this = This()


class PluginTest(object):
    """Class that performs actual tests on bundled modules."""

    def __init__(self, directory: str):
        logger.debug(f'directory = "{directory}')
        dbfile = os.path.join(directory, this.DBFILE)

        # Test 'import zipfile'
        with zipfile.ZipFile(dbfile + '.zip', 'w') as zip:
            if os.path.exists(dbfile):
                zip.write(dbfile)
        zip.close()

        # Testing 'import shutil'
        if os.path.exists(dbfile):
            shutil.copyfile(dbfile, dbfile + '.bak')

        # Testing 'import sqlite3'
        self.sqlconn = sqlite3.connect(dbfile)
        self.sqlc = self.sqlconn.cursor()
        try:
            self.sqlc.execute('CREATE TABLE entries (timestamp TEXT, cmdrname TEXT, system TEXT, station TEXT, eventtype TEXT)')  # noqa: E501
        except sqlite3.OperationalError:
            logger.exception('sqlite3.OperationalError when CREATE TABLE entries:')

    def store(self, timestamp: str, cmdrname: str, system: str, station: str, event: str) -> None:
        """
        Store the provided data in sqlite database.

        :param timestamp:
        :param cmdrname:
        :param system:
        :param station:
        :param event:
        :return: None
        """
        logger.debug(f'timestamp = "{timestamp}", cmdr = "{cmdrname}", system = "{system}", station = "{station}", event = "{event}"')  # noqa: E501
        self.sqlc.execute('INSERT INTO entries VALUES(?, ?, ?, ?, ?)', (timestamp, cmdrname, system, station, event))
        self.sqlconn.commit()
        return None


def plugin_start3(plugin_dir: str) -> str:
    """
    Plugin startup method.

    :param plugin_dir:
    :return: 'Pretty' name of this plugin.
    """
    # Up until 5.0.0-beta1 config.appversion is a string
    if isinstance(appversion, str):
        core_version = semantic_version.Version(appversion)

    elif callable(appversion):
        # From 5.0.0-beta1 it's a function, returning semantic_version.Version
        core_version = appversion()

    config.set('plugintest_bool', True)
    somebool = config.get_bool('plugintest_bool')
    logger.debug(f'Stored bool: {somebool=} ({type(somebool)})')

    config.set('plugintest_str', 'Test String')
    somestr = config.get_str('plugintest_str')
    logger.debug(f'Stored str: {somestr=} ({type(somestr)})')

    config.set('plugintest_int', 42)
    someint = config.get_int('plugintest_int')
    logger.debug(f'Stored int: {someint=} ({type(someint)})')

    config.set('plugintest_list', ['test', 'one', 'two'])
    somelist = config.get_list('plugintest_list')
    logger.debug(f'Stored list: {somelist=} ({type(somelist)})')

    logger.info(f'Core EDMC version: {core_version}')
    # And then compare like this
    if core_version < semantic_version.Version('5.0.0-beta1'):
        logger.info('EDMC core version is before 5.0.0-beta1')

    else:
        logger.info('EDMC core version is at least 5.0.0-beta1')

    # Yes, just blow up if config.appverison is neither str or callable

    logger.info(f'Folder is {plugin_dir}')
    this.plugin_test = PluginTest(plugin_dir)

    this.suba = SubA(logger)

    this.suba.ping()

    return plugin_name


def plugin_stop() -> None:
    """
    Plugin stop method.

    :return:
    """
    logger.info('Stopping')


def journal_entry(cmdrname: str, is_beta: bool, system: str, station: str, entry: dict, state: dict) -> None:
    """
    Handle the given journal entry.

    :param cmdrname:
    :param is_beta:
    :param system:
    :param station:
    :param entry:
    :param state:
    :return: None
    """
    logger.debug(
            f'cmdr = "{cmdrname}", is_beta = "{is_beta}"'
            f', system = "{system}", station = "{station}"'
            f', event = "{entry["event"]}"'
    )
    this.plugin_test.store(entry['timestamp'], cmdrname, system, station, entry['event'])