#!/usr/bin/env tclsh

set prefix "tmp/"
set suffix " \\\n\t"

set srcSuf {.$(SrcSuf)}
set objSuf {.$(ObjSuf)}
set pcmSuf {$(PcmSuf)}
set exeSuf {$(ExeSuf)}

proc dependencies {fileName firstLine {force 1} {command {}}} {
  global suffix headerFiles sourceFiles

  if {[info exists sourceFiles($fileName)]} return

  set sourceFiles($fileName) 1

  set list {}
  set fid [open $fileName]
  while {! [eof $fid]} {
    set line [gets $fid]
    if [regexp -- {^\s*#include\s*"((\w+/)+\w+\.(h|hh))"} $line] {
      set elements [split $line {"}]
      set file [lindex $elements 1]
      if [file exists $file] {
        lappend list $file
        set headerFiles($file) 1
      } elseif [file exists external/$file] {
        lappend list external/$file
        set headerFiles(external/$file) 1
      }
    }
  }

  if {[llength $list] > 0} {
    puts -nonewline $firstLine
    foreach file $list {puts -nonewline $suffix$file}
    if {$command != {}} {
      puts {}
      puts $command
    }
    puts {}
  } elseif {$force} {
    puts -nonewline $firstLine
    if {$command != {}} {
      puts {}
      puts $command
    }
    puts {}
  }

  close $fid
}

proc dictDeps {dictPrefix args} {

  global prefix suffix srcSuf objSuf pcmSuf

  set dict [lsort [eval glob -nocomplain $args]]

  set dictSrcFiles {}
  set dictObjFiles {}

  foreach fileName $dict {
    regsub {LinkDef\.h} $fileName {Dict} dictName
    set dictName $prefix$dictName

    lappend dictSrcFiles $dictName$srcSuf
    lappend dictObjFiles $dictName$objSuf
    lappend dictPcmFiles [file tail $dictName$pcmSuf]

    dependencies $fileName "$dictName$srcSuf:$suffix$fileName"

    puts -nonewline $dictName$pcmSuf:$suffix
    puts -nonewline $dictName$srcSuf
    puts {}

    puts -nonewline [file tail $dictName$pcmSuf]:$suffix
    puts -nonewline $dictName$pcmSuf
    puts {}
  }

  puts -nonewline "${dictPrefix}_OBJ += $suffix"
  puts [join $dictObjFiles $suffix]
  puts {}

  puts -nonewline "${dictPrefix}_PCM += $suffix"
  puts [join $dictPcmFiles $suffix]
  puts {}
}

proc sourceDeps {srcPrefix args} {

  global prefix suffix srcSuf objSuf

  set source [lsort [eval glob -nocomplain $args]]

  set srcObjFiles {}
  set srcObjFilesFastJet {}
  set srcObjFilesPythia8 {}

  foreach fileName $source {
    regsub {\.cc} $fileName {} srcName
    set srcObjName $prefix$srcName

    if {$fileName == "modules/PileUpMergerPythia8.cc"} {
      lappend srcObjFilesPythia8 $srcObjName$objSuf
    } elseif {([string match {modules/FastJet*.cc} $fileName] || [string match {modules/RunPUPPI.cc} $fileName]) && $srcPrefix != {FASTJET}} {
      continue
    } else {
      lappend srcObjFiles $srcObjName$objSuf
    }

    dependencies $fileName "$srcObjName$objSuf:$suffix$srcName$srcSuf"
  }

  puts -nonewline "${srcPrefix}_OBJ += $suffix"
  puts [join $srcObjFiles $suffix]
  puts {}

  puts {ifeq ($(HAS_PYTHIA8),true)}
  puts -nonewline "${srcPrefix}_OBJ += $suffix"
  puts [join $srcObjFilesPythia8 $suffix]
  puts {endif}
  puts {}
}

proc tclDeps {} {

  global prefix suffix srcSuf objSuf

  set source [lsort [glob -nocomplain {external/tcl/*.c}]]

  set srcObjFiles {}

  foreach fileName $source {
    if {$fileName == "tcl/tclc.c" || $fileName == "tcl/tcl.c"} continue

    regsub {\.c} $fileName {} srcName
    set srcObjName $prefix$srcName

    lappend srcObjFiles $srcObjName$objSuf

    dependencies $fileName "$srcObjName$objSuf:$suffix$fileName"
  }

  puts -nonewline "TCL_OBJ += $suffix"
  puts [join $srcObjFiles $suffix]
  puts {}
}

proc executableDeps {args} {

  global prefix suffix objSuf exeSuf

  set executable [lsort [eval glob -nocomplain $args]]

  set exeFiles {}

  foreach fileName $executable {
    regsub {\.cpp} $fileName {} exeObjName
    set exeObjName $prefix$exeObjName
    set exeName [file tail $exeObjName]

    lappend exeFiles $exeName$exeSuf
    lappend exeObjFiles $exeObjName$objSuf

    puts "$exeName$exeSuf:$suffix$exeObjName$objSuf"
    puts {}

    dependencies $fileName "$exeObjName$objSuf:$suffix$fileName"
  }

  if [info exists exeFiles] {
    puts -nonewline "EXECUTABLE += $suffix"
    puts [join $exeFiles $suffix]
    puts {}
  }
  if [info exists exeObjFiles] {
    puts -nonewline "EXECUTABLE_OBJ += $suffix"
    puts [join $exeObjFiles $suffix]
    puts {}
  }
}

proc headerDeps {} {
  global suffix headerFiles

  foreach fileName [array names headerFiles] {
    dependencies $fileName "$fileName:" 0 "\t@touch \$@"
  }
}

puts {
#
# Makefile for ExRootAnalysis
#
# Author: P. Demin - UCL, Louvain-la-Neuve
#
# multi-platform configuration is taken from ROOT (root/test/Makefile.arch)
#

include doc/Makefile.arch

ROOT_MAJOR := $(shell $(RC) --version | cut -d'.' -f1)

SrcSuf = cc
PcmSuf = _rdict.pcm

CXXFLAGS += $(ROOTCFLAGS) -Wno-write-strings -D_FILE_OFFSET_BITS=64 -DDROP_CGAL -I. -Iexternal -Iexternal/tcl
DELPHES_LIBS = $(shell $(RC) --libs) -lEG $(SYSLIBS)
DISPLAY_LIBS = $(shell $(RC) --evelibs) -lGuiHtml $(SYSLIBS)

ifneq ($(CMSSW_FWLITE_INCLUDE_PATH),)
HAS_CMSSW = true
CXXFLAGS += -std=c++0x -I$(subst :, -I,$(CMSSW_FWLITE_INCLUDE_PATH))
OPT_LIBS += -L$(subst include,lib,$(subst :, -L,$(CMSSW_FWLITE_INCLUDE_PATH)))
ifneq ($(CMSSW_RELEASE_BASE),)
CXXFLAGS += -I$(CMSSW_RELEASE_BASE)/src
endif
ifneq ($(LD_LIBRARY_PATH),)
OPT_LIBS += -L$(subst include,lib,$(subst :, -L,$(LD_LIBRARY_PATH)))
endif
OPT_LIBS += -lGenVector -lFWCoreFWLite -lDataFormatsFWLite -lDataFormatsCommon -lDataFormatsPatCandidates -lDataFormatsLuminosity -lSimDataFormatsGeneratorProducts -lCommonToolsUtils -lDataFormatsCommon
endif

# check consistency
ifneq ($(PROMC),)
ifneq ($(PROIO),)
$(error Attention:  PROMC and PROIO env. variables are set simultaneously. You cannot compile ProMC and ProIO readers in one compilation process due to an inconsistency in protocol buffers libraries. The suggestion is to compile these two readers in two steps. First unset PROIO variable and then \"configure; make\". After this, unset PROMC, set PROIO,  and run \"configure; make\". During runs, make sure shared libraries are set correctly.)
endif
endif

ifneq ($(PROMC),)
HAS_PROMC = true
$(info ProMC event reader is requested)
CXXFLAGS += -I$(PROMC)/include -I$(PROMC)/src
OPT_LIBS += -L$(PROMC)/lib -lpromc -lprotoc -lprotobuf -lprotobuf-lite -lcbook -lz
endif

ifneq ($(PROIO),)
HAS_PROIO = true
$(info ProIO reader is requested)
ifeq ($(PROTOBUF),)
$(error but PROTOBUF variable is not set.)
endif
PROTOBUF_FILE=$(PROTOBUF)/lib/libprotobuf.a
ifeq ("$(wildcard $(PROTOBUF_FILE))","")
$(error PROTOBUF variable is set, but it does not point to valid $(PROTOBUF_FILE))
endif
ifeq ($(LZ4),)
$(error but LZ4 variable is not set.)
endif
LZ4_FILE=$(LZ4)/lib/liblz4.so
ifeq ("$(wildcard $(LZ4_FILE))","")
$(error LZ4 variable is set,  but it does not point to valid $(LZ4_FILE))
endif
CXXFLAGS += -I$(PROIO)/include -I$(PROTOBUF)/include -I$(LZ4)/include -I$(PROIO)/src
OPT_LIBS += -L$(PROTOBUF)/lib -lprotobuf -L$(PROIO)/lib -lproio -lproio.pb -lz -L$(LZ4)/lib -llz4
endif

ifeq ($(HAS_PYTHIA8),true)
ifneq ($(PYTHIA8),)
CXXFLAGS += -I$(PYTHIA8)/include
CXXFLAGS += -I$(PYTHIA8)/include/Pythia8
OPT_LIBS += -L$(PYTHIA8)/lib -lpythia8 -ldl -lz
endif
endif

DELPHES_LIBS += $(OPT_LIBS)
DISPLAY_LIBS += $(OPT_LIBS)

###

NOFASTJET = libDelphesNoFastJet.$(DllSuf)
NOFASTJETLIB = libDelphesNoFastJet.lib

DELPHES = libDelphes.$(DllSuf)
DELPHESLIB = libDelphes.lib

DISPLAY = libDelphesDisplay.$(DllSuf)
DISPLAYLIB = libDelphesDisplay.lib

VERSION = x.y.z
DISTDIR = Delphes-$(VERSION)
DISTTAR = $(DISTDIR).tar.gz

all:

}

executableDeps {converters/*.cpp} {examples/*.cpp} {validation/*.cpp}

executableDeps {readers/DelphesHepMC2.cpp} {readers/DelphesHepMC3.cpp} {readers/DelphesLHEF.cpp} {readers/DelphesSTDHEP.cpp} {readers/DelphesROOT.cpp}

puts {ifeq ($(HAS_CMSSW),true)}
executableDeps {readers/DelphesCMSFWLite.cpp}
puts {endif}
puts {}

puts {ifeq ($(HAS_PROMC),true)}
executableDeps {readers/DelphesProMC.cpp}
puts {endif}
puts {}

puts {ifeq ($(HAS_PROIO),true)}
executableDeps {readers/DelphesProIO.cpp}
puts {endif}
puts {}

puts {ifeq ($(HAS_PYTHIA8),true)}
executableDeps {readers/DelphesPythia8.cpp}
dictDeps {DELPHES_DICT} {modules/Pythia8LinkDef.h}
puts {endif}
puts {}

dictDeps {DELPHES_DICT} {classes/ClassesLinkDef.h} {modules/ModulesLinkDef.h} {external/ExRootAnalysis/ExRootAnalysisLinkDef.h}

dictDeps {FASTJET_DICT} {modules/FastJetLinkDef.h}

dictDeps {DISPLAY_DICT} {display/DisplayLinkDef.h}

sourceDeps {DELPHES} {classes/*.cc} {modules/*.cc} {external/ExRootAnalysis/*.cc} {external/Hector/*.cc} {external/TrackCovariance/*.cc}

sourceDeps {FASTJET} {modules/FastJet*.cc} {modules/RunPUPPI.cc} {external/PUPPI/*.cc} {external/fastjet/*.cc} {external/fastjet/tools/*.cc} {external/fastjet/plugins/*/*.cc} {external/fastjet/contribs/*/*.cc}

sourceDeps {DISPLAY} {display/*.cc}

tclDeps

headerDeps

puts {

###

ifeq ($(ROOT_MAJOR),6)
all: $(NOFASTJET) $(DELPHES) $(DELPHES_DICT_PCM) $(FASTJET_DICT_PCM) $(EXECUTABLE)
display: $(DISPLAY) $(DISPLAY_DICT_PCM)
else
all: $(NOFASTJET) $(DELPHES) $(EXECUTABLE)
display: $(DISPLAY)
endif

$(NOFASTJET): $(DELPHES_DICT_OBJ) $(DELPHES_OBJ) $(TCL_OBJ)
	@mkdir -p $(@D)
	@echo ">> Building $@"
ifeq ($(ARCH),aix5)
	@$(MAKESHARED) $(OutPutOpt) $@ $(DELPHES_LIBS) -p 0 $^
else
ifeq ($(PLATFORM),macosx)
# We need to make both the .dylib and the .so
	@$(LD) $(SOFLAGS)$@ $(LDFLAGS) $^ $(OutPutOpt) $@ $(DELPHES_LIBS)
ifneq ($(subst $(MACOSX_MINOR),,1234),1234)
ifeq ($(MACOSX_MINOR),4)
	@ln -sf $@ $(subst .$(DllSuf),.so,$@)
endif
endif
else
ifeq ($(PLATFORM),win32)
	@bindexplib $* $^ > $*.def
	@lib -nologo -MACHINE:IX86 $^ -def:$*.def $(OutPutOpt)$(NOFASTJETLIB)
	@$(LD) $(SOFLAGS) $(LDFLAGS) $^ $*.exp $(DELPHES_LIBS) $(OutPutOpt)$@
	@$(MT_DLL)
else
	@$(LD) $(SOFLAGS) $(LDFLAGS) $^ $(OutPutOpt) $@ $(DELPHES_LIBS)
	@$(MT_DLL)
endif
endif
endif

$(DELPHES): $(DELPHES_DICT_OBJ) $(FASTJET_DICT_OBJ) $(DELPHES_OBJ) $(FASTJET_OBJ) $(TCL_OBJ)
	@mkdir -p $(@D)
	@echo ">> Building $@"
ifeq ($(ARCH),aix5)
	@$(MAKESHARED) $(OutPutOpt) $@ $(DELPHES_LIBS) -p 0 $^
else
ifeq ($(PLATFORM),macosx)
# We need to make both the .dylib and the .so
	@$(LD) $(SOFLAGS)$@ $(LDFLAGS) $^ $(OutPutOpt) $@ $(DELPHES_LIBS)
ifneq ($(subst $(MACOSX_MINOR),,1234),1234)
ifeq ($(MACOSX_MINOR),4)
	@ln -sf $@ $(subst .$(DllSuf),.so,$@)
endif
endif
else
ifeq ($(PLATFORM),win32)
	@bindexplib $* $^ > $*.def
	@lib -nologo -MACHINE:IX86 $^ -def:$*.def $(OutPutOpt)$(DELPHESLIB)
	@$(LD) $(SOFLAGS) $(LDFLAGS) $^ $*.exp $(DELPHES_LIBS) $(OutPutOpt)$@
	@$(MT_DLL)
else
	@$(LD) $(SOFLAGS) $(LDFLAGS) $^ $(OutPutOpt) $@ $(DELPHES_LIBS)
	@$(MT_DLL)
endif
endif
endif

$(DISPLAY): $(DELPHES_DICT_OBJ) $(FASTJET_DICT_OBJ) $(DISPLAY_DICT_OBJ) $(DELPHES_OBJ) $(FASTJET_OBJ) $(DISPLAY_OBJ) $(TCL_OBJ)
	@mkdir -p $(@D)
	@echo ">> Building $@"
ifeq ($(ARCH),aix5)
	@$(MAKESHARED) $(OutPutOpt) $@ $(DISPLAY_LIBS) -p 0 $^
else
ifeq ($(PLATFORM),macosx)
# We need to make both the .dylib and the .so
	@$(LD) $(SOFLAGS)$@ $(LDFLAGS) $^ $(OutPutOpt) $@ $(DISPLAY_LIBS)
ifneq ($(subst $(MACOSX_MINOR),,1234),1234)
ifeq ($(MACOSX_MINOR),4)
	@ln -sf $@ $(subst .$(DllSuf),.so,$@)
endif
endif
else
ifeq ($(PLATFORM),win32)
	@bindexplib $* $^ > $*.def
	@lib -nologo -MACHINE:IX86 $^ -def:$*.def $(OutPutOpt)$(DISPLAYLIB)
	@$(LD) $(SOFLAGS) $(LDFLAGS) $^ $*.exp $(DISPLAY_LIBS) $(OutPutOpt)$@
	@$(MT_DLL)
else
	@$(LD) $(SOFLAGS) $(LDFLAGS) $^ $(OutPutOpt) $@ $(DISPLAY_LIBS)
	@$(MT_DLL)
endif
endif
endif

clean:
	@rm -f $(DELPHES_DICT_OBJ) $(DISPLAY_DICT_OBJ) $(DELPHES_OBJ) $(FASTJET_OBJ) $(DISPLAY_OBJ) $(TCL_OBJ) core
	@rm -rf tmp

distclean: clean
	@rm -f $(NOFASTJET) $(NOFASTJETLIB) $(DELPHES) $(DELPHESLIB) $(DELPHES_DICT_PCM) $(FASTJET_DICT_PCM) $(DISPLAY) $(DISPLAYLIB) $(DISPLAY_DICT_PCM) $(EXECUTABLE)

dist:
	@echo ">> Building $(DISTTAR)"
	@mkdir -p $(DISTDIR)
	@cp -a AUTHORS CHANGELOG CMakeLists.txt COPYING DelphesEnv.sh LICENSE NOTICE README README_4LHCb Makefile MinBias.pileup configure cards classes converters display doc examples external modules python readers validation $(DISTDIR)
	@find $(DISTDIR) -depth -name .\* -exec rm -rf {} \;
	@tar -czf $(DISTTAR) $(DISTDIR)
	@rm -rf $(DISTDIR)

###

.SUFFIXES: .$(SrcSuf) .$(ObjSuf) .$(DllSuf) $(PcmSuf)

%Dict.$(SrcSuf):
	@mkdir -p $(@D)
	@echo ">> Generating $@"
	@rootcint -f $@ -c -Iexternal $<
	@mv $@ $@.base
	@cat $< $@.base > $@
	@rm $@.base

$(DELPHES_DICT_PCM): %Dict$(PcmSuf):
	@echo ">> Copying $@"
	@cp $< $@

$(FASTJET_DICT_PCM): %Dict$(PcmSuf):
	@echo ">> Copying $@"
	@cp $< $@

$(DISPLAY_DICT_PCM): %Dict$(PcmSuf):
	@echo ">> Copying $@"
	@cp $< $@

$(DELPHES_OBJ): tmp/%.$(ObjSuf): %.$(SrcSuf)
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CXX) $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(FASTJET_OBJ): tmp/%.$(ObjSuf): %.$(SrcSuf)
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CXX) $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(DISPLAY_OBJ): tmp/%.$(ObjSuf): %.$(SrcSuf)
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CXX) $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(DELPHES_DICT_OBJ): %.$(ObjSuf): %.$(SrcSuf)
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CXX) $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(FASTJET_DICT_OBJ): %.$(ObjSuf): %.$(SrcSuf)
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CXX) $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(DISPLAY_DICT_OBJ): %.$(ObjSuf): %.$(SrcSuf)
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CXX) $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(TCL_OBJ): tmp/%.$(ObjSuf): %.c
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CC) $(patsubst -std=%,,$(CXXFLAGS)) -c $< $(OutPutOpt)$@

$(EXECUTABLE_OBJ): tmp/%.$(ObjSuf): %.cpp
	@mkdir -p $(@D)
	@echo ">> Compiling $<"
	@$(CXX) $(CXXFLAGS) -c $< $(OutPutOpt)$@

$(EXECUTABLE): %$(ExeSuf): $(DELPHES_DICT_OBJ) $(FASTJET_DICT_OBJ) $(DELPHES_OBJ) $(FASTJET_OBJ) $(TCL_OBJ)
	@echo ">> Building $@"
	@$(LD) $(LDFLAGS) $^ $(DELPHES_LIBS) $(OutPutOpt)$@

###

}