#!/usr/bin/python3
# -*- coding: utf-8 -*-
#
# module CActionFactory
#
#    Copyright (C) 2019  AleaJactaEst
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.

import logging
from tools import Enum
from tools import CAction

LOGGER='CActionFactory'

class CActionFactory:
    def __init__(self, world):
        self.world = world
        self.RegisteredAction = {}
        self.RegisteredAction.setdefault(Enum.TActionCode.ACTION_POSITION_CODE, [])
        self.RegisteredAction.setdefault(Enum.TActionCode.ACTION_GENERIC_CODE, [])
        self.RegisteredAction.setdefault(Enum.TActionCode.ACTION_GENERIC_MULTI_PART_CODE, [])
        self.RegisteredAction.setdefault(Enum.TActionCode.ACTION_SINT64, [])
        self.RegisteredAction.setdefault(Enum.TActionCode.ACTION_SYNC_CODE, [])
        self.RegisteredAction.setdefault(Enum.TActionCode.ACTION_DISCONNECTION_CODE, [])
        self.RegisteredAction.setdefault(Enum.TActionCode.ACTION_ASSOCIATION_CODE, [])
        self.RegisteredAction.setdefault(Enum.TActionCode.ACTION_LOGIN_CODE, [])
        self.RegisteredAction.setdefault(Enum.TActionCode.ACTION_TARGET_SLOT_CODE, [])
        self.RegisteredAction.setdefault(Enum.TActionCode.ACTION_DUMMY_CODE, [])

    def createFactory(self, slot, code):
        if code == Enum.TActionCode.ACTION_POSITION_CODE:
            logging.getLogger(LOGGER).debug("Create CActionPosition")
            return CAction.CActionPosition(slot, code, self.world)
        elif code == Enum.TActionCode.ACTION_GENERIC_CODE:
            logging.getLogger(LOGGER).debug("Create CActionGeneric")
            return CAction.CActionGeneric(slot, code, self.world)
        elif code == Enum.TActionCode.ACTION_GENERIC_MULTI_PART_CODE:
            logging.getLogger(LOGGER).debug("Create CActionGenericMultiPart")
            return CAction.CActionGenericMultiPart(slot, code, self.world)
        elif code == Enum.TActionCode.ACTION_SINT64:
            logging.getLogger(LOGGER).debug("Create CActionSint64")
            return CAction.CActionSint64(slot, code, self.world)
        elif code == Enum.TActionCode.ACTION_SYNC_CODE:
            logging.getLogger(LOGGER).debug("Create CActionSync")
            return CAction.CActionSync(slot, code, self.world)
        elif code == Enum.TActionCode.ACTION_DISCONNECTION_CODE:
            logging.getLogger(LOGGER).debug("Create CActionDisconnection")
            return CAction.CActionDisconnection(slot, code, self.world)
        elif code == Enum.TActionCode.ACTION_ASSOCIATION_CODE:
            logging.getLogger(LOGGER).debug("Create CActionAssociation")
            return CAction.CActionAssociation(slot, code, self.world)
        elif code == Enum.TActionCode.ACTION_LOGIN_CODE:
            logging.getLogger(LOGGER).debug("Create CActionLogin")
            return CAction.CActionLogin(slot, code, self.world)
        elif code == Enum.TActionCode.ACTION_TARGET_SLOT_CODE:
            logging.getLogger(LOGGER).debug("Create CActionTargetSlot")
            return CAction.CActionTargetSlot(slot, code, self.world)
        elif code == Enum.TActionCode.ACTION_DUMMY_CODE:
            logging.getLogger(LOGGER).debug("Create CActionDummy")
            return CAction.CActionDummy(slot, code, self.world)
        else:
            logging.getLogger(LOGGER).warning('create() try to create an unknown action (%u)' % code)
            raise RuntimeError

    def create(self, slot, code):
        if code not in self.RegisteredAction:
            logging.getLogger(LOGGER).warning('try to create an unknown action (code:%u)' % code)
            raise None
        elif not self.RegisteredAction[code]:
            logging.getLogger(LOGGER).debug('new CAction (code:%u)' % code)
            action = self.createFactory(slot, code)
            action.reset()
            return action
        else:
            logging.getLogger(LOGGER).debug("update CAction")
            action = self.RegisteredAction[code][-1]
            action.reset()
            action.PropertyCode = code
            action.Slot = slot
            return action

    def unpack(self, msgin):
        '''
            khanat-opennel-code/code/ryzom/common/src/game_share/action_factory.cpp : CAction *CActionFactory::unpack (NLMISC::CBitMemStream &message, NLMISC::TGameCycle /* currentCycle */ )
        '''
        if msgin.needRead() >= 8:
            shortcode = msgin.readBool('shortcode')
            if shortcode:
                code = msgin.readSerial(2, 'code')
            else:
                code = msgin.readUint8('code')
            action = self.create(CAction.INVALID_SLOT, code)
            if action:
                try:
                    action.unpack (msgin);
                except RuntimeError:
                    log = logging.getLogger('myLogger')
                    log.warning('Missing code to unpack (code :%u)' % code)
                    raise RuntimeError
            else:
                log = logging.getLogger('myLogger')
                log.warning('Unpacking an action with unknown code, skip it (%u)' % code)
        return action