"""WordOps core variable module"""
import configparser
import os
import sys
from datetime import datetime
from re import match
from socket import getfqdn
from shutil import copy2

from distro import distro, linux_distribution
from sh import git


class WOVar():
    """Intialization of core variables"""

    # WordOps version
    wo_version = "3.22.0"
    # WordOps packages versions
    wo_adminer = "4.8.1"
    wo_phpmyadmin = "5.2.0"
    wo_extplorer = "2.1.15"
    wo_dashboard = "1.3"

    # Get WPCLI path
    wpcli_url = "https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar"
    wo_wpcli_path = '/usr/local/bin/wp'

    # Current date and time of System
    wo_date = datetime.now().strftime('%d%b%Y-%H-%M-%S')

    # WordOps core variables
    # linux distribution
    if sys.version_info <= (3, 5):
        wo_distro = linux_distribution(
            full_distribution_name=False)[0].lower()
        wo_platform_version = linux_distribution(
            full_distribution_name=False)[1].lower()
        # distro codename (bionic, xenial, stretch ...)
        wo_platform_codename = linux_distribution(
            full_distribution_name=False)[2].lower()
    else:
        wo_distro = distro.id()
        wo_platform_version = distro.version()
        # distro codename (bionic, xenial, stretch ...)
        wo_platform_codename = distro.codename()

    # Get timezone of system
    if os.path.isfile('/etc/timezone'):
        with open("/etc/timezone", mode='r', encoding='utf-8') as tzfile:
            wo_timezone = tzfile.read().replace('\n', '')
            if wo_timezone == "Etc/UTC":
                wo_timezone = "UTC"
    else:
        wo_timezone = "Europe/Amsterdam"

    # Get FQDN of system
    wo_fqdn = getfqdn()

    # WordOps default webroot path
    wo_webroot = '/var/www/'

    # WordOps default renewal  SSL certificates path
    wo_ssl_archive = '/etc/letsencrypt/renewal'

    # WordOps default live SSL certificates path
    wo_ssl_live = '/etc/letsencrypt/live'

    # PHP user
    wo_php_user = 'www-data'

    # WordOps git configuration management
    config = configparser.ConfigParser()
    config.read(os.path.expanduser("~") + '/.gitconfig')
    try:
        wo_user = config['user']['name']
        wo_email = config['user']['email']
    except Exception:
        print("WordOps (wo) require an username & and an email "
              "address to configure Git (used to save server configurations)")
        print("Your informations will ONLY be stored locally")

        wo_user = input("Enter your name: ")
        while wo_user == "":
            print("Unfortunately, this can't be left blank")
            wo_user = input("Enter your name: ")

        wo_email = input("Enter your email: ")

        while not match(r"^[A-Za-z0-9\.\+_-]+@[A-Za-z0-9\._-]+\.[a-zA-Z]*$",
                        wo_email):
            print("Whoops, seems like you made a typo - "
                  "the e-mail address is invalid...")
            wo_email = input("Enter your email: ")

        git.config("--global", "user.name", "{0}".format(wo_user))
        git.config("--global", "user.email", "{0}".format(wo_email))

    if not os.path.isfile('/root/.gitconfig'):
        copy2(os.path.expanduser("~") + '/.gitconfig', '/root/.gitconfig')

    # MySQL hostname
    wo_mysql_host = ""
    config = configparser.RawConfigParser()
    if os.path.exists('/etc/mysql/conf.d/my.cnf'):
        cnfpath = "/etc/mysql/conf.d/my.cnf"
    else:
        cnfpath = os.path.expanduser("~") + "/.my.cnf"
    if [cnfpath] == config.read(cnfpath):
        try:
            wo_mysql_host = config.get('client', 'host')
        except configparser.NoOptionError:
            wo_mysql_host = "localhost"
    else:
        wo_mysql_host = "localhost"

    # WordOps stack installation variables
    # OpenLiteSpeed path constants
    wo_ols_conf_dir = '/usr/local/lsws/conf'
    wo_ols_vhost_dir = '/usr/local/lsws/conf/vhosts'
    wo_ols_bin = '/usr/local/lsws/bin/openlitespeed'
    wo_ols_ctrl = '/usr/local/lsws/bin/lswsctrl'

    # OpenLiteSpeed repo and packages
    wo_ols_repo = ("deb [signed-by=/usr/share/keyrings/openlitespeed-archive-keyring.gpg] "
                   "http://rpms.litespeedtech.com/debian/ "
                   "{0} main".format(wo_platform_codename))

    wo_ols = ["openlitespeed"]
    wo_ols_repo_key = "https://rpms.litespeedtech.com/debian/lst_repo.gpg"

    wo_php_versions = {
        'php74': '7.4',
        'php80': '8.0',
        'php81': '8.1',
        'php82': '8.2',
        'php83': '8.3',
        'php84': '8.4',
        'php85': '8.5',
    }

    def generate_lsphp_modules(version_prefix, version_number):
        """Generate LSPHP module package list for a given PHP version.
        LSPHP packages use lsphpXX- naming (no dot in version).
        Note: gd, mbstring, xml, zip, soap, imap are bundled in
        lsphp-common and do not have separate packages."""
        short_ver = version_number.replace('.', '')
        wo_module = ["common", "curl", "igbinary",
                     "imagick", "intl", "memcached", "msgpack",
                     "mysql", "opcache", "pear", "redis",
                     "snmp", "sqlite3", "tidy"]

        # lsphp packages: lsphpXX, lsphpXX-common, lsphpXX-curl, etc.
        php_modules = ["lsphp{0}".format(short_ver)]
        php_modules.extend(["lsphp{0}-{1}".format(short_ver, module) for module in wo_module])

        if version_prefix == 'php74':
            php_modules.extend(["lsphp{0}-json".format(short_ver)])

        return php_modules

    wo_php74 = generate_lsphp_modules('php74', '7.4')
    wo_php80 = generate_lsphp_modules('php80', '8.0')
    wo_php81 = generate_lsphp_modules('php81', '8.1')
    wo_php82 = generate_lsphp_modules('php82', '8.2')
    wo_php83 = generate_lsphp_modules('php83', '8.3')
    wo_php84 = generate_lsphp_modules('php84', '8.4')
    wo_php85 = generate_lsphp_modules('php85', '8.5')

    wo_php_extra = ["graphviz"]

    wo_mysql = [
        "mariadb-server", "percona-toolkit",
        "mariadb-common", "python3-mysqldb"]
    if wo_distro == 'raspbian':
        mariadb_ver = '10.3'
    elif wo_platform_codename == 'trixie':
        mariadb_ver = ''
        wo_mysql = wo_mysql + ["mariadb-backup"]
    else:
        mariadb_ver = '11.4'
        wo_mysql = wo_mysql + ["mariadb-backup"]

    wo_mysql_client = ["mariadb-client", "python3-mysqldb"]

    wo_fail2ban = ["fail2ban"]
    wo_clamav = ["clamav", "clamav-freshclam"]

    # APT repositories
    if mariadb_ver:
        wo_mysql_repo = ("deb [signed-by=/etc/apt/keyrings/mariadb-keyring.pgp] "
                         "http://deb.mariadb.org/"
                         f"{mariadb_ver}/{wo_distro} {wo_platform_codename} main")
    else:
        # trixie: use native Debian mariadb packages, no external repo
        wo_mysql_repo = ""
    mariadb_repo_key = "https://mariadb.org/mariadb_release_signing_key.pgp"
    if wo_distro == 'ubuntu':
        # LSPHP comes from LiteSpeed repo (same as OLS)
        wo_php_repo = wo_ols_repo
        wo_goaccess_repo = ("ppa:alex-p/goaccess")

    else:
        # LSPHP comes from LiteSpeed repo (same as OLS)
        wo_php_repo = wo_ols_repo
        wo_php_key = wo_ols_repo_key
    wo_redis_key_url = "https://packages.redis.io/gpg"
    wo_redis_repo = (
        "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] "
        f"https://packages.redis.io/deb {wo_platform_codename} main")

    wo_redis = ['redis-server']

    netdata_script_url = "https://get.netdata.cloud/kickstart.sh"

    # Repo path
    wo_repo_file = "wo-repo.list"
    wo_repo_file_path = ("/etc/apt/sources.list.d/" + wo_repo_file)

    # Application dabase file path
    basedir = os.path.abspath(os.path.dirname('/var/lib/wo/'))
    wo_db_uri = 'sqlite:///' + os.path.join(basedir, 'dbase.db')

    def __init__(self):
        pass