import yaml
import sys
from .logger import getDebugLogger
DEBUG = getDebugLogger()

default = {
    'AccessTokenLifeTime': 1800,
    'Mail': {
        'URL': '',
        'port': 0,
        'user': '',
        'passwd': '',
        'email': '',
        'crypt': 'STARTTLS'
    }
}


class ConifgParser():
    def __init__(self, file='config.yml'):
        self.file = file
        with open(file, 'r') as f:
            self.config = yaml.safe_load(f)

        if 'Database' not in self.config:
            self.__error__(
                'Wrong Configuration for Database. You should configure databaseconfig with "URL", "user", "passwd", "database"')
        if 'URL' not in self.config['Database'] or 'user' not in self.config['Database'] or 'passwd' not in self.config['Database'] or 'database' not in self.config['Database']:
            self.__error__(
                'Wrong Configuration for Database. You should configure databaseconfig with "URL", "user", "passwd", "database"')

        self.db = self.config['Database']
        DEBUG.debug("Set Databaseconfig: {}".format(self.db))

        if 'LDAP' not in self.config:
            self.__error__(
                'Wrong Configuration for LDAP. You should configure ldapconfig with "URL" and "BIND_DN"')
        if 'URL' not in self.config['LDAP'] or 'DN' not in self.config['LDAP']:
            self.__error__(
                'Wrong Configuration for LDAP. You should configure ldapconfig with "URL" and "BIND_DN"')
        if 'PORT' not in self.config['LDAP']:
            DEBUG.info(
                'No Config for port in LDAP found. Set it to default: {}'.format(389))
            self.config['LDAP']['PORT'] = 389
        if 'ADMIN_DN' not in self.config['LDAP']:
            DEBUG.info(
                'No Config for ADMIN_DN in LDAP found. Set it to default {}. (Maybe Password reset not working)'.format(None)
            )
            self.config['LDAP']['ADMIN_DN'] = None
        if 'ADMIN_SECRET' not in self.config['LDAP']:
            DEBUG.info(
                'No Config for ADMIN_SECRET in LDAP found. Set it to default {}. (Maybe Password reset not working)'.format(None)
            )
            self.config['LDAP']['ADMIN_SECRET'] = None
        if 'USER_DN' not in self.config['LDAP']:
            DEBUG.info(
                'No Config for USER_DN in LDAP found. Set it to default {}. (Maybe Password reset not working)'.format(None)
            )
            self.config['LDAP']['USER_DN'] = None
        if 'BIND_DN' not in self.config['LDAP']:
            DEBUG.info(
                'No Config for BIND_DN in LDAP found. Set it to default {}. (Maybe Password reset not working)'.format(None)
            )
            self.config['LDAP']['BIND_DN'] = None
        if 'BIND_SECRET' not in self.config['LDAP']:
            DEBUG.info(
                'No Config for BIND_SECRET in LDAP found. Set it to default {}. (Maybe Password reset not working)'.format(None)
            )
            self.config['LDAP']['BIND_SECRET'] = None
        if 'SSL' not in self.config['LDAP']:
            DEBUG.info(
                'No Config for SSL in LDAP found. Set it to default {}. (Maybe Password reset not working)'.format(False)
            )
            self.config['LDAP']['SSL'] = False
        else:
            self.config['LDAP']['SSL'] = bool(self.config['LDAP']['SSL'])
        self.ldap = self.config['LDAP']
        DEBUG.info("Set LDAPconfig: {}".format(self.ldap))
        if 'AccessTokenLifeTime' in self.config:
            self.accessTokenLifeTime = int(self.config['AccessTokenLifeTime'])
            DEBUG.info("Set AccessTokenLifeTime: {}".format(
                self.accessTokenLifeTime))
        else:
            self.accessTokenLifeTime = default['AccessTokenLifeTime']
            DEBUG.info("No Config for AccessTokenLifetime found. Set it to default: {}".format(
                self.accessTokenLifeTime))

        if 'Mail' not in self.config:
            self.config['Mail'] = default['Mail']
            DEBUG.info('No Conifg for Mail found. Set it to defaul: {}'.format(
                self.config['Mail']))
        if 'URL' not in self.config['Mail']:
            self.config['Mail']['URL'] = default['Mail']['URL']
            DEBUG.info("No Config for URL in Mail found. Set it to default")
        if 'port' not in self.config['Mail']:
            self.config['Mail']['port'] = default['Mail']['port']
            DEBUG.info("No Config for port in Mail found. Set it to default")
        else:
            self.config['Mail']['port'] = int(self.config['Mail']['port'])
            DEBUG.info("No Conifg for port in Mail found. Set it to default")
        if 'user' not in self.config['Mail']:
            self.config['Mail']['user'] = default['Mail']['user']
            DEBUG.info("No Config for user in Mail found. Set it to default")
        if 'passwd' not in self.config['Mail']:
            self.config['Mail']['passwd'] = default['Mail']['passwd']
            DEBUG.info("No Config for passwd in Mail found. Set it to default")
        if 'email' not in self.config['Mail']:
            self.config['Mail']['email'] = default['Mail']['email']
            DEBUG.info("No Config for email in Mail found. Set it to default")
        if 'crypt' not in self.config['Mail']:
            self.config['Mail']['crypt'] = default['Mail']['crypt']
            DEBUG.info("No Config for crypt in Mail found. Set it to default")
        self.mail = self.config['Mail']
        DEBUG.info('Set Mailconfig: {}'.format(self.mail))

    def getLDAP(self):
        return self.ldap

    def getDatabase(self):
        return self.db

    def getAccessToken(self):
        return self.accessTokenLifeTime

    def getMail(self):
        return self.mail

    def __error__(self, msg):
        DEBUG.error(msg, exc_info=True)
        sys.exit(-1)


if __name__ == '__main__':
    ConifgParser()