## @file
# process GUIDed section generation
#
#  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
#  Copyright (c) 2018, Hewlett Packard Enterprise Development, L.P.<BR>
#
#  SPDX-License-Identifier: BSD-2-Clause-Patent
#

##
# Import Modules
#
from __future__ import absolute_import
from . import Section
import subprocess
from .Ffs import SectionSuffix
import Common.LongFilePathOs as os
from .GenFdsGlobalVariable import GenFdsGlobalVariable
from .GenFdsGlobalVariable import FindExtendTool
from CommonDataClass.FdfClass import GuidSectionClassObject
import sys
from Common import EdkLogger
from Common.BuildToolError import *
from .FvImageSection import FvImageSection
from Common.LongFilePathSupport import OpenLongFilePath as open
from Common.DataType import *

## generate GUIDed section
#
#
class GuidSection(GuidSectionClassObject) :

    ## The constructor
    #
    #   @param  self        The object pointer
    #
    def __init__(self):
        GuidSectionClassObject.__init__(self)

    ## GenSection() method
    #
    #   Generate GUIDed section
    #
    #   @param  self        The object pointer
    #   @param  OutputPath  Where to place output file
    #   @param  ModuleName  Which module this section belongs to
    #   @param  SecNum      Index of section
    #   @param  KeyStringList  Filter for inputs of section generation
    #   @param  FfsInf      FfsInfStatement object that contains this section data
    #   @param  Dict        dictionary contains macro and its value
    #   @retval tuple       (Generated file name, section alignment)
    #
    def GenSection(self, OutputPath, ModuleName, SecNum, KeyStringList, FfsInf=None, Dict=None, IsMakefile=False):
        #
        # Generate all section
        #
        self.KeyStringList = KeyStringList
        self.CurrentArchList = GenFdsGlobalVariable.ArchList
        if FfsInf is not None:
            self.Alignment = FfsInf.__ExtendMacro__(self.Alignment)
            self.NameGuid = FfsInf.__ExtendMacro__(self.NameGuid)
            self.SectionType = FfsInf.__ExtendMacro__(self.SectionType)
            self.CurrentArchList = [FfsInf.CurrentArch]

        SectFile = tuple()
        SectAlign = []
        Index = 0
        MaxAlign = None
        if Dict is None:
            Dict = {}
        if self.FvAddr != []:
            FvAddrIsSet = True
        else:
            FvAddrIsSet = False

        if self.ProcessRequired in ("TRUE", "1"):
            if self.FvAddr != []:
                #no use FvAddr when the image is processed.
                self.FvAddr = []
            if self.FvParentAddr is not None:
                #no use Parent Addr when the image is processed.
                self.FvParentAddr = None

        for Sect in self.SectionList:
            Index = Index + 1
            SecIndex = '%s.%d' % (SecNum, Index)
            # set base address for inside FvImage
            if isinstance(Sect, FvImageSection):
                if self.FvAddr != []:
                    Sect.FvAddr = self.FvAddr.pop(0)
                self.IncludeFvSection = True
            elif isinstance(Sect, GuidSection):
                Sect.FvAddr = self.FvAddr
                Sect.FvParentAddr = self.FvParentAddr
            ReturnSectList, align = Sect.GenSection(OutputPath, ModuleName, SecIndex, KeyStringList, FfsInf, Dict, IsMakefile=IsMakefile)
            if isinstance(Sect, GuidSection):
                if Sect.IncludeFvSection:
                    self.IncludeFvSection = Sect.IncludeFvSection

            if align is not None:
                if MaxAlign is None:
                    MaxAlign = align
                if GenFdsGlobalVariable.GetAlignment (align) > GenFdsGlobalVariable.GetAlignment (MaxAlign):
                    MaxAlign = align
            if ReturnSectList != []:
                if align is None:
                    align = "1"
                for file in ReturnSectList:
                    SectFile += (file,)
                    SectAlign.append(align)

        if MaxAlign is not None:
            if self.Alignment is None:
                self.Alignment = MaxAlign
            else:
                if GenFdsGlobalVariable.GetAlignment (MaxAlign) > GenFdsGlobalVariable.GetAlignment (self.Alignment):
                    self.Alignment = MaxAlign

        OutputFile = OutputPath + \
                     os.sep + \
                     ModuleName + \
                     SUP_MODULE_SEC + \
                     SecNum + \
                     SectionSuffix['GUIDED']
        OutputFile = os.path.normpath(OutputFile)

        ExternalTool = None
        ExternalOption = None
        if self.NameGuid is not None:
            ExternalTool, ExternalOption = FindExtendTool(self.KeyStringList, self.CurrentArchList, self.NameGuid)

        #
        # If not have GUID , call default
        # GENCRC32 section
        #
        if self.NameGuid is None :
            GenFdsGlobalVariable.VerboseLogger("Use GenSection function Generate CRC32 Section")
            GenFdsGlobalVariable.GenerateSection(OutputFile, SectFile, Section.Section.SectionType[self.SectionType], InputAlign=SectAlign, IsMakefile=IsMakefile)
            OutputFileList = []
            OutputFileList.append(OutputFile)
            return OutputFileList, self.Alignment
        #or GUID not in External Tool List
        elif ExternalTool is None:
            EdkLogger.error("GenFds", GENFDS_ERROR, "No tool found with GUID %s" % self.NameGuid)
        else:
            DummyFile = OutputFile + ".dummy"
            #
            # Call GenSection with DUMMY section type.
            #
            GenFdsGlobalVariable.GenerateSection(DummyFile, SectFile, InputAlign=SectAlign, IsMakefile=IsMakefile)
            #
            # Use external tool process the Output
            #
            TempFile = OutputPath + \
                       os.sep + \
                       ModuleName + \
                       SUP_MODULE_SEC + \
                       SecNum + \
                       '.tmp'
            TempFile = os.path.normpath(TempFile)
            #
            # Remove temp file if its time stamp is older than dummy file
            # Just in case the external tool fails at this time but succeeded before
            # Error should be reported if the external tool does not generate a new output based on new input
            #
            if os.path.exists(TempFile) and os.path.exists(DummyFile) and os.path.getmtime(TempFile) < os.path.getmtime(DummyFile):
                os.remove(TempFile)

            FirstCall = False
            CmdOption = '-e'
            if ExternalOption is not None:
                CmdOption = CmdOption + ' ' + ExternalOption
            if not GenFdsGlobalVariable.EnableGenfdsMultiThread:
                if self.ProcessRequired not in ("TRUE", "1") and self.IncludeFvSection and not FvAddrIsSet and self.FvParentAddr is not None:
                    #FirstCall is only set for the encapsulated flash FV image without process required attribute.
                    FirstCall = True
                #
                # Call external tool
                #
                ReturnValue = [1]
                if FirstCall:
                    #first try to call the guided tool with -z option and CmdOption for the no process required guided tool.
                    GenFdsGlobalVariable.GuidTool(TempFile, [DummyFile], ExternalTool, '-z' + ' ' + CmdOption, ReturnValue)

                #
                # when no call or first call failed, ReturnValue are not 1.
                # Call the guided tool with CmdOption
                #
                if ReturnValue[0] != 0:
                    FirstCall = False
                    ReturnValue[0] = 0
                    GenFdsGlobalVariable.GuidTool(TempFile, [DummyFile], ExternalTool, CmdOption)
                #
                # There is external tool which does not follow standard rule which return nonzero if tool fails
                # The output file has to be checked
                #

                if not os.path.exists(TempFile) :
                    EdkLogger.error("GenFds", COMMAND_FAILURE, 'Fail to call %s, no output file was generated' % ExternalTool)

                FileHandleIn = open(DummyFile, 'rb')
                FileHandleIn.seek(0, 2)
                InputFileSize = FileHandleIn.tell()

                FileHandleOut = open(TempFile, 'rb')
                FileHandleOut.seek(0, 2)
                TempFileSize = FileHandleOut.tell()

                Attribute = []
                HeaderLength = None
                if self.ExtraHeaderSize != -1:
                    HeaderLength = str(self.ExtraHeaderSize)

                if self.ProcessRequired == "NONE" and HeaderLength is None:
                    if TempFileSize > InputFileSize:
                        FileHandleIn.seek(0)
                        BufferIn = FileHandleIn.read()
                        FileHandleOut.seek(0)
                        BufferOut = FileHandleOut.read()
                        if BufferIn == BufferOut[TempFileSize - InputFileSize:]:
                            HeaderLength = str(TempFileSize - InputFileSize)
                    #auto sec guided attribute with process required
                    if HeaderLength is None:
                        Attribute.append('PROCESSING_REQUIRED')

                FileHandleIn.close()
                FileHandleOut.close()

                if FirstCall and 'PROCESSING_REQUIRED' in Attribute:
                    # Guided data by -z option on first call is the process required data. Call the guided tool with the real option.
                    GenFdsGlobalVariable.GuidTool(TempFile, [DummyFile], ExternalTool, CmdOption)

                #
                # Call Gensection Add Section Header
                #
                if self.ProcessRequired in ("TRUE", "1"):
                    if 'PROCESSING_REQUIRED' not in Attribute:
                        Attribute.append('PROCESSING_REQUIRED')

                if self.AuthStatusValid in ("TRUE", "1"):
                    Attribute.append('AUTH_STATUS_VALID')
                GenFdsGlobalVariable.GenerateSection(OutputFile, [TempFile], Section.Section.SectionType['GUIDED'],
                                                     Guid=self.NameGuid, GuidAttr=Attribute, GuidHdrLen=HeaderLength)

            else:
                #add input file for GenSec get PROCESSING_REQUIRED
                GenFdsGlobalVariable.GuidTool(TempFile, [DummyFile], ExternalTool, CmdOption, IsMakefile=IsMakefile)
                Attribute = []
                HeaderLength = None
                if self.ExtraHeaderSize != -1:
                    HeaderLength = str(self.ExtraHeaderSize)
                if self.AuthStatusValid in ("TRUE", "1"):
                    Attribute.append('AUTH_STATUS_VALID')
                if self.ProcessRequired == "NONE" and HeaderLength is None:
                    GenFdsGlobalVariable.GenerateSection(OutputFile, [TempFile], Section.Section.SectionType['GUIDED'],
                                                         Guid=self.NameGuid, GuidAttr=Attribute,
                                                         GuidHdrLen=HeaderLength, DummyFile=DummyFile, IsMakefile=IsMakefile)
                else:
                    if self.ProcessRequired in ("TRUE", "1"):
                        if 'PROCESSING_REQUIRED' not in Attribute:
                            Attribute.append('PROCESSING_REQUIRED')
                    GenFdsGlobalVariable.GenerateSection(OutputFile, [TempFile], Section.Section.SectionType['GUIDED'],
                                                         Guid=self.NameGuid, GuidAttr=Attribute,
                                                         GuidHdrLen=HeaderLength, IsMakefile=IsMakefile)

            OutputFileList = []
            OutputFileList.append(OutputFile)
            if 'PROCESSING_REQUIRED' in Attribute:
                # reset guided section alignment to none for the processed required guided data
                self.Alignment = None
                self.IncludeFvSection = False
                self.ProcessRequired = "TRUE"
            if IsMakefile and self.Alignment is not None and self.Alignment.strip() == '0':
                self.Alignment = '1'
            return OutputFileList, self.Alignment



