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#!/usr/bin/env python

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# -*- coding: utf-8 -*-

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# This file is part of Beremiz, a Integrated Development Environment for

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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.

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#

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# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

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# Copyright (C) 2017: Andrey Skvortsov

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#

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# See COPYING file for copyrights details.

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#

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# This program is free software; you can redistribute it and/or

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# modify it under the terms of the GNU General Public License

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# as published by the Free Software Foundation; either version 2

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# of the License, or (at your option) any later version.

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#

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# This program is distributed in the hope that it will be useful,

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# but WITHOUT ANY WARRANTY; without even the implied warranty of

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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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# GNU General Public License for more details.

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#

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# You should have received a copy of the GNU General Public License

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# along with this program; if not, write to the Free Software

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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

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from __future__ import absolute_import

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from __future__ import division

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import os

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import sys

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import shutil

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import wx

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from gnosis.xml.pickle import *  # pylint: disable=import-error

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from gnosis.xml.pickle.util import setParanoia  # pylint: disable=import-error

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import util.paths as paths

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from util.TranslationCatalogs import AddCatalog

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from ConfigTreeNode import ConfigTreeNode

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from PLCControler import \

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    LOCATION_CONFNODE, \

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    LOCATION_VAR_MEMORY

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CanFestivalPath = paths.ThirdPartyPath("CanFestival-3")  # noqa

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sys.path.append(os.path.join(CanFestivalPath, "objdictgen"))  # noqa

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# pylint: disable=wrong-import-position

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from nodelist import NodeList

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from nodemanager import NodeManager

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import gen_cfile

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import eds_utils

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import canfestival_config as local_canfestival_config  # pylint: disable=import-error

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from commondialogs import CreateNodeDialog

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from subindextable import IECTypeConversion, SizeConversion

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from canfestival import config_utils

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from canfestival.SlaveEditor import SlaveEditor, MasterViewer

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from canfestival.NetworkEditor import NetworkEditor

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AddCatalog(os.path.join(CanFestivalPath, "objdictgen", "locale"))

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setParanoia(0)

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# --------------------------------------------------

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#              Location Tree Helper

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# --------------------------------------------------

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    67

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def GetSlaveLocationTree(slave_node, current_location, name):

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    entries = []

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    for index, subindex, size, entry_name in slave_node.GetMapVariableList():

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        subentry_infos = slave_node.GetSubentryInfos(index, subindex)

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        typeinfos = slave_node.GetEntryInfos(subentry_infos["type"])

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        if typeinfos:

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            entries.append({

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                "name": "0x%4.4x-0x%2.2x: %s" % (index, subindex, entry_name),

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                "type": LOCATION_VAR_MEMORY,

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                "size": size,

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                "IEC_type": IECTypeConversion.get(typeinfos["name"]),

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                "var_name": "%s_%4.4x_%2.2x" % ("_".join(name.split()), index, subindex),

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                "location": "%s%s" % (SizeConversion[size], ".".join(map(str, current_location +

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                                                                         (index, subindex)))),

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                "description": "",

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                "children": []})

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    return {"name": name,

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            "type": LOCATION_CONFNODE,

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            "location": ".".join([str(i) for i in current_location]) + ".x",

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            "children": entries}

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# --------------------------------------------------

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#                    SLAVE

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# --------------------------------------------------

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    93

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class _SlaveCTN(NodeManager):

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    XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>

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    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

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      <xsd:element name="CanFestivalSlaveNode">

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        <xsd:complexType>

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          <xsd:attribute name="CAN_Device" type="xsd:string" use="optional"/>

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          <xsd:attribute name="CAN_Baudrate" type="xsd:string" use="optional"/>

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          <xsd:attribute name="NodeId" type="xsd:integer" use="optional" default="2"/>

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          <xsd:attribute name="Sync_Align" type="xsd:integer" use="optional" default="0"/>

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          <xsd:attribute name="Sync_Align_Ratio" use="optional" default="50">

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            <xsd:simpleType>

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                <xsd:restriction base="xsd:integer">

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                    <xsd:minInclusive value="1"/>

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                    <xsd:maxInclusive value="99"/>

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                </xsd:restriction>

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            </xsd:simpleType>

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          </xsd:attribute>

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        </xsd:complexType>

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      </xsd:element>

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    </xsd:schema>

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    """

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    EditorType = SlaveEditor

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    IconPath = os.path.join(CanFestivalPath, "objdictgen", "networkedit.png")

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    def __init__(self):

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        # TODO change netname when name change

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        NodeManager.__init__(self)

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        odfilepath = self.GetSlaveODPath()

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        if os.path.isfile(odfilepath):

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            self.OpenFileInCurrent(odfilepath)

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        else:

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            self.FilePath = ""

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            dialog = CreateNodeDialog(None, wx.OK)

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            dialog.Type.Enable(False)

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            dialog.GenSYNC.Enable(False)

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            if dialog.ShowModal() == wx.ID_OK:

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                name, id, _nodetype, description = dialog.GetValues()

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                profile, filepath = dialog.GetProfile()

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                NMT = dialog.GetNMTManagement()

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                options = dialog.GetOptions()

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                self.CreateNewNode(name,         # Name - will be changed at build time

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                                   id,           # NodeID - will be changed at build time

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                                   "slave",      # Type

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                                   description,  # description

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                                   profile,      # profile

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                                   filepath,     # prfile filepath

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                                   NMT,          # NMT

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                                   options)      # options

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            else:

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                self.CreateNewNode("SlaveNode",  # Name - will be changed at build time

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                                   0x00,         # NodeID - will be changed at build time

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                                   "slave",      # Type

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                                   "",           # description

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                                   "None",       # profile

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                                   "",           # prfile filepath

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                                   "heartbeat",  # NMT

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                                   [])           # options

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            dialog.Destroy()

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            self.OnCTNSave()

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   155

    def GetCurrentNodeName(self):

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        return self.CTNName()

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    def GetSlaveODPath(self):

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        return os.path.join(self.CTNPath(), 'slave.od')

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    def GetCanDevice(self):

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        return self.CanFestivalSlaveNode.getCAN_Device()

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    def _OpenView(self, name=None, onlyopened=False):

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        ConfigTreeNode._OpenView(self, name, onlyopened)

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        if self._View is not None:

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            self._View.SetBusId(self.GetCurrentLocation())

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        return self._View

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    def _ExportSlave(self):

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        dialog = wx.FileDialog(self.GetCTRoot().AppFrame,

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                               _("Choose a file"),

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                               os.path.expanduser("~"),

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                               "%s.eds" % self.CTNName(),

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                               _("EDS files (*.eds)|*.eds|All files|*.*"),

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                               wx.SAVE | wx.OVERWRITE_PROMPT)

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        if dialog.ShowModal() == wx.ID_OK:

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            result = eds_utils.GenerateEDSFile(dialog.GetPath(), self.GetCurrentNodeCopy())

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            if result:

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                self.GetCTRoot().logger.write_error(_("Error: Export slave failed\n"))

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        dialog.Destroy()

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    ConfNodeMethods = [

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        {

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            "bitmap":    "ExportSlave",

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            "name":    _("Export slave"),

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            "tooltip": _("Export CanOpen slave to EDS file"),

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            "method":   "_ExportSlave"

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        },

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    ]

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    def CTNTestModified(self):

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        return self.ChangesToSave or self.OneFileHasChanged()

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    def OnCTNSave(self, from_project_path=None):

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        return self.SaveCurrentInFile(self.GetSlaveODPath())

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    def SetParamsAttribute(self, path, value):

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        result = ConfigTreeNode.SetParamsAttribute(self, path, value)

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        # Filter IEC_Channel and Name, that have specific behavior

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        if path == "BaseParams.IEC_Channel" and self._View is not None:

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            self._View.SetBusId(self.GetCurrentLocation())

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        return result

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   207

    def GetVariableLocationTree(self):

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        return GetSlaveLocationTree(self.CurrentNode,

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                                    self.GetCurrentLocation(),

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                                    self.BaseParams.getName())

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    def CTNGenerate_C(self, buildpath, locations):

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        """

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        Generate C code

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        @param current_location: Tupple containing confnode IEC location : %I0.0.4.5 => (0,0,4,5)

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        @param locations: List of complete variables locations \

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            [{"IEC_TYPE" : the IEC type (i.e. "INT", "STRING", ...)

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            "NAME" : name of the variable (generally "__IW0_1_2" style)

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            "DIR" : direction "Q","I" or "M"

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            "SIZE" : size "X", "B", "W", "D", "L"

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            "LOC" : tuple of interger for IEC location (0,1,2,...)

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            }, ...]

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        @return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND

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        """

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        current_location = self.GetCurrentLocation()

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        # define a unique name for the generated C file

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        prefix = "_".join(map(str, current_location))

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        Gen_OD_path = os.path.join(buildpath, "OD_%s.c" % prefix)

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        # Create a new copy of the model

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        slave = self.GetCurrentNodeCopy()

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        slave.SetNodeName("OD_%s" % prefix)

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        # allow access to local OD from Slave PLC

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        pointers = config_utils.LocalODPointers(locations, current_location, slave)

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        res = gen_cfile.GenerateFile(Gen_OD_path, slave, pointers)

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        if res:

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            raise Exception(res)

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        res = eds_utils.GenerateEDSFile(os.path.join(buildpath, "Slave_%s.eds" % prefix), slave)

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        if res:

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            raise Exception(res)

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        return [(Gen_OD_path, local_canfestival_config.getCFLAGS(CanFestivalPath))], "", False

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   242

    def LoadPrevious(self):

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        self.LoadCurrentPrevious()

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    def LoadNext(self):

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        self.LoadCurrentNext()

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    def GetBufferState(self):

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        return self.GetCurrentBufferState()

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# --------------------------------------------------

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#                    MASTER

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# --------------------------------------------------

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class MiniNodeManager(NodeManager):

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    def __init__(self, parent, filepath, fullname):

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        NodeManager.__init__(self)

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        self.OpenFileInCurrent(filepath)

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        self.Parent = parent

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        self.Fullname = fullname

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    def GetIconName(self):

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        return None

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    def OnCloseEditor(self, view):

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        self.Parent.OnCloseEditor(view)

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    def CTNFullName(self):

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        return self.Fullname

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   275

    def CTNTestModified(self):

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        return False

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   278

    def GetBufferState(self):

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        return self.GetCurrentBufferState()

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   281

    ConfNodeMethods = []

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   283

   284

class _NodeManager(NodeManager):

   285

   286

    def __init__(self, parent, *args, **kwargs):

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        NodeManager.__init__(self, *args, **kwargs)

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        self.Parent = parent

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   290

    def __del__(self):

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        self.Parent = None

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    def GetCurrentNodeName(self):

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        return self.Parent.CTNName()

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    def GetCurrentNodeID(self):

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        return self.Parent.CanFestivalNode.getNodeId()

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   299

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class _NodeListCTN(NodeList):

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    XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>

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    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

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      <xsd:element name="CanFestivalNode">

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        <xsd:complexType>

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          <xsd:attribute name="CAN_Device" type="xsd:string" use="optional"/>

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          <xsd:attribute name="CAN_Baudrate" type="xsd:string" use="optional"/>

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          <xsd:attribute name="NodeId" type="xsd:integer" use="optional" default="1"/>

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          <xsd:attribute name="Sync_TPDOs" type="xsd:boolean" use="optional" default="true"/>

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        </xsd:complexType>

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      </xsd:element>

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    </xsd:schema>

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    """

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   314

    EditorType = NetworkEditor

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    IconPath = os.path.join(CanFestivalPath, "objdictgen", "networkedit.png")

   316

   317

    def __init__(self):

   318

        manager = _NodeManager(self)

   319

        NodeList.__init__(self, manager)

   320

        self.LoadProject(self.CTNPath())

   321

        self.SetNetworkName(self.BaseParams.getName())

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    def GetCanDevice(self):

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        return self.CanFestivalNode.getCAN_Device()

   325

   326

    def SetParamsAttribute(self, path, value):

   327

        if path == "CanFestivalNode.NodeId":

   328

            nodeid = self.CanFestivalNode.getNodeId()

   329

            if value != nodeid:

   330

                slaves = self.GetSlaveIDs()

   331

                dir = (value - nodeid) // abs(value - nodeid)

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                while value in slaves and value >= 0:

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                    value += dir

   334

                if value < 0:

   335

                    value = nodeid

   336

   337

        value, refresh = ConfigTreeNode.SetParamsAttribute(self, path, value)

   338

        refresh_network = False

   339

   340

        # Filter IEC_Channel and Name, that have specific behavior

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        if path == "BaseParams.IEC_Channel" and self._View is not None:

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            self._View.SetBusId(self.GetCurrentLocation())

   343

        elif path == "BaseParams.Name":

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            self.SetNetworkName(value)

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            refresh_network = True

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        elif path == "CanFestivalNode.NodeId":

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            refresh_network = True

   348

   349

        if refresh_network and self._View is not None:

   350

            wx.CallAfter(self._View.RefreshBufferState)

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        return value, refresh

   352

   353

    def GetVariableLocationTree(self):

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        current_location = self.GetCurrentLocation()

   355

        nodeindexes = self.SlaveNodes.keys()

   356

        nodeindexes.sort()

   357

        children = []

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        children += [GetSlaveLocationTree(self.Manager.GetCurrentNodeCopy(),

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                                          current_location,

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                                          _("Local entries"))]

   361

        children += [GetSlaveLocationTree(self.SlaveNodes[nodeid]["Node"],

   362

                                          current_location + (nodeid,),

   363

                                          self.SlaveNodes[nodeid]["Name"]) for nodeid in nodeindexes]

   364

   365

        return {

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            "name":     self.BaseParams.getName(),

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            "type":     LOCATION_CONFNODE,

   368

            "location": self.GetFullIEC_Channel(),

   369

            "children": children

   370

        }

   371

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    _GeneratedMasterView = None

   373

   374

    def _ShowGeneratedMaster(self):

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        self._OpenView("Generated master")

   376

   377

    def _OpenView(self, name=None, onlyopened=False):

   378

        if name == "Generated master":

   379

            app_frame = self.GetCTRoot().AppFrame

   380

            if self._GeneratedMasterView is None:

   381

                buildpath = self._getBuildPath()

   382

                # Eventually create build dir

   383

                if not os.path.exists(buildpath):

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                    self.GetCTRoot().logger.write_error(_("Error: No PLC built\n"))

   385

                    return

   386

   387

                masterpath = os.path.join(buildpath, "MasterGenerated.od")

   388

                if not os.path.exists(masterpath):

   389

                    self.GetCTRoot().logger.write_error(_("Error: No Master generated\n"))

   390

                    return

   391

   392

                manager = MiniNodeManager(self, masterpath, self.CTNFullName())

   393

                self._GeneratedMasterView = MasterViewer(app_frame.TabsOpened, manager, app_frame, name)

   394

   395

            if self._GeneratedMasterView is not None:

   396

                app_frame.EditProjectElement(self._GeneratedMasterView, self._GeneratedMasterView.GetInstancePath())

   397

   398

            return self._GeneratedMasterView

   399

        else:

   400

            ConfigTreeNode._OpenView(self, name, onlyopened)

   401

            if self._View is not None:

   402

                self._View.SetBusId(self.GetCurrentLocation())

   403

            return self._View

   404

   405

    ConfNodeMethods = [

   406

        {

   407

            "bitmap":    "ShowMaster",

   408

            "name":    _("Show Master"),

   409

            "tooltip": _("Show Master generated by config_utils"),

   410

            "method":   "_ShowGeneratedMaster"

   411

        }

   412

    ]

   413

   414

    def OnCloseEditor(self, view):

   415

        ConfigTreeNode.OnCloseEditor(self, view)

   416

        if self._GeneratedMasterView == view:

   417

            self._GeneratedMasterView = None

   418

   419

    def OnCTNClose(self):

   420

        ConfigTreeNode.OnCTNClose(self)

   421

        self._CloseView(self._GeneratedMasterView)

   422

        return True

   423

   424

    def CTNTestModified(self):

   425

        return self.ChangesToSave or self.HasChanged()

   426

   427

    def OnCTNSave(self, from_project_path=None):

   428

        self.SetRoot(self.CTNPath())

   429

        if from_project_path is not None:

   430

            shutil.copytree(self.GetEDSFolder(from_project_path),

   431

                            self.GetEDSFolder())

   432

        return self.SaveProject() is None

   433

   434

    def CTNGenerate_C(self, buildpath, locations):

   435

        """

   436

        Generate C code

   437

        @param current_location: Tupple containing confnode IEC location : %I0.0.4.5 => (0,0,4,5)

   438

        @param locations: List of complete variables locations \

   439

            [{"IEC_TYPE" : the IEC type (i.e. "INT", "STRING", ...)

   440

            "NAME" : name of the variable (generally "__IW0_1_2" style)

   441

            "DIR" : direction "Q","I" or "M"

   442

            "SIZE" : size "X", "B", "W", "D", "L"

   443

            "LOC" : tuple of interger for IEC location (0,1,2,...)

   444

            }, ...]

   445

        @return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND

   446

        """

   447

        self._CloseView(self._GeneratedMasterView)

   448

        current_location = self.GetCurrentLocation()

   449

        # define a unique name for the generated C file

   450

        prefix = "_".join(map(str, current_location))

   451

        Gen_OD_path = os.path.join(buildpath, "OD_%s.c" % prefix)

   452

        # Create a new copy of the model with DCF loaded with PDO mappings for desired location

   453

        try:

   454

            master, pointers = config_utils.GenerateConciseDCF(locations, current_location, self, self.CanFestivalNode.getSync_TPDOs(), "OD_%s" % prefix)

   455

        except config_utils.PDOmappingException as e:

   456

            raise Exception(e.message)

   457

        # Do generate C file.

   458

        res = gen_cfile.GenerateFile(Gen_OD_path, master, pointers)

   459

        if res:

   460

            raise Exception(res)

   461

   462

        file = open(os.path.join(buildpath, "MasterGenerated.od"), "w")

   463

        # linter disabled here, undefined variable happens

   464

        # here because gnosis isn't impored while linting

   465

        dump(master, file)  # pylint: disable=undefined-variable

   466

        file.close()

   467

   468

        return [(Gen_OD_path, local_canfestival_config.getCFLAGS(CanFestivalPath))], "", False

   469

   470

    def LoadPrevious(self):

   471

        self.Manager.LoadCurrentPrevious()

   472

   473

    def LoadNext(self):

   474

        self.Manager.LoadCurrentNext()

   475

   476

    def GetBufferState(self):

   477

        return self.Manager.GetCurrentBufferState()

   478

   479