#!/usr/bin/make
# Make help: http://www.gnu.org/software/make/manual/html_node/Phony-Targets.html#Phony-Targets

APP 		:= <Enter *.xcodeproj name without suffix>
APP_TARGET	:= <Enter main target>
PROVISION	:= <Enter relative path to Provisioning Profile>
DEPLOY_DIR	:= <Enter (evtl. absolute) path to IPA deployment dir>
INFO_PLIST	:= <Enter full Info.plist file name>
TEST_TARGET	:= LogicTests

COREDATA_MODEL := $(APP).xcdatamodel

BUILD_DIR	:= ./build/

VERSION		:= $(shell grep -A1 CFBundleVersion $(INFO_PLIST) | tail -n 1 | egrep -oe ">([^<]+)" | cut -c 2-)
DOXYGEN_DIR := $(BUILD_DIR)/doxygen/

# non-standard tools. Set if unset in environment
DOXYGEN		?= $(HOME)/Applications/Doxygen.app/Contents/Resources/doxygen# http://www.stack.nl/~dimitri/doxygen/download.html#latestsrc
DOT_PATH	?= $(dir $(DOXYGEN))# http://www.stack.nl/~dimitri/doxygen/download.html#latestsrc
GIT			?= git			# http://code.google.com/p/git-osx-installer/
OPTIPNG		?= optipng		# http://optipng.darwinports.com/
UNCRUSTIFY	?= $(HOME)/Applications/UniversalIndentGUI/indenters/uncrustify	# http://universalindent.sourceforge.net/index.php
UNCRUSTIFY_OPTS := -l OC --replace --no-backup -c uncrustify.cfg

XCODEBUILD	:= xcodebuild
AGVTOOL		:= agvtool
ZIP			?= zip

.PHONY: tests pretty clean

defaultTarget:	tests

SOURCES		:= *.pch Classes/*.h Classes/*.m Classes/*/*.h Classes/*/*.m Tests/*.h Tests/*.m Tests/*/*.m

################################################################
##
## help
##
## explain this Makefile's major targets
##
help:
	@egrep -A1 -e "^[a-zA-Z0-9]+:|^##" Makefile

################################################################
##
## toolversions
##
## print all used tools' versions
##
toolversions:
	@echo "----------------------------------------------------------"
	make --version
	@echo "----------------------------------------------------------"
	-$(XCODEBUILD) -version
	@echo "----------------------------------------------------------"
	-$(GIT) --version
	@echo "----------------------------------------------------------"
	-$(DOXYGEN) --version
	@echo "----------------------------------------------------------"
	-$(DOT_PATH)/dot -V
	@echo "----------------------------------------------------------"
	-$(UNCRUSTIFY) --version
	@echo "----------------------------------------------------------"
	-$(OPTIPNG) --version
	@echo "----------------------------------------------------------"
	-$(ZIP) --version

################################################################
## 
## all
##
## Build anything
##
all:	pretty debug release docset

################################################################
## 
## debug
##
## $(XCODEBUILD) the Debug / $(DEVICE_SDK) configuration
##
debug:	$(SOURCES)
	$(XCODEBUILD) -project $(APP).xcodeproj -target $(APP_TARGET) -configuration Debug -sdk $(DEVICE_SDK)

################################################################
## 
## release
##
## $(XCODEBUILD) the Release / $(DEVICE_SDK) configuration
##
release:	$(SOURCES)
	$(XCODEBUILD) -project $(APP).xcodeproj -target $(APP_TARGET) -configuration Release -sdk $(DEVICE_SDK)

################################################################
## 
## alltargets
##
## $(XCODEBUILD) the Debug / $(DEVICE_SDK) configuration
##
alltargets:	$(SOURCES)
	$(XCODEBUILD) -project $(APP).xcodeproj -alltargets -configuration Debug -sdk $(DEVICE_SDK)

################################################################
## 
## tests
##
## $(XCODEBUILD) & run the unit (logic) tests
##
tests:	$(SOURCES)
	$(XCODEBUILD) -project $(APP).xcodeproj -target $(TEST_TARGET) -configuration Debug -sdk $(SIMULATOR_SDK)

################################################################
## 
## clean
##
## remove built artifacts
##
clean:
	rm -r $(BUILD_DIR)
	mkdir $(BUILD_DIR)

################################################################
## 
## pretty
##
## indent source code (pretty print)
##
pretty:	uncrustify

uncrustify:	$(SOURCES)
	@${UNCRUSTIFY} ${UNCRUSTIFY_OPTS} `ls $? 2> /dev/null`

optipng:	*.png Images/*.png
	$(OPTIPNG) -o9 $?

################################################################
## 
## doc
##
## build doxygen documentation. Inject version?
##
doc: $(DOXYGEN_DIR)/html/index.html

$(DOXYGEN_DIR)/html/index.html:	$(BUILD_DIR)/doxygen.generated $(SOURCES)
	$(DOXYGEN) $<
	open $@
	@echo ===============================================================================
	@echo === doxygen warnings:
#	@cat $(BUILD_DIR)/doxygen/warnings.log

$(BUILD_DIR)/doxygen.generated:	doxygen.config $(INFO_PLIST)
	-mkdir -p $(DOXYGEN_DIR)
	cp $< $@
	sed -i '' -e "s|DOT_PATH *=.*|DOT_PATH       = $(DOT_PATH)|g" $@
	sed -i '' -e "s/PROJECT_NUMBER *=.*/PROJECT_NUMBER       = $(VERSION)/g" $@
	sed -i '' -e "s|OUTPUT_DIRECTORY *=.*|OUTPUT_DIRECTORY       = $(DOXYGEN_DIR)|g" $@

################################################################
## 
## docset
##
## build + integrate doxygen docs into XCode.
## http://developer.apple.com/tools/creatingdocsetswithdoxygen.html
##
docset: $(DOXYGEN_DIR)/html/index.html
	make -C $(dir $<) install

################################################################
## 
## ipa
##
## build, test, tag, package into 2 ipa files ready for testing.
##
ipa:	debug release tests tag \
	$(BUILD_DIR)/ipa/Debug/$(APP_TARGET).ipa \
	$(BUILD_DIR)/ipa/Release/$(APP_TARGET).ipa

$(BUILD_DIR)/ipa/Debug/$(APP_TARGET).ipa:	$(BUILD_DIR)/Debug-iphoneos/$(APP_TARGET).app
	-rm -r $(dir $@)
	mkdir -p $(dir $@)/Payload
	cp -rp $<.dSYM $(dir $@)
	cp -rp $< $(dir $@)/Payload/
	cd $(dir $@) ; \
	$(ZIP) -qrp9 $(APP_TARGET).ipa Payload/$(APP_TARGET).app
	rm -r $(dir $@)/Payload
	ls $@

$(BUILD_DIR)/ipa/Release/$(APP_TARGET).ipa:	$(BUILD_DIR)/Release-iphoneos/$(APP_TARGET).app
	-rm -r $(dir $@)
	mkdir -p $(dir $@)/Payload
	cp -rp $<.dSYM $(dir $@)
	cp -rp $< $(dir $@)/Payload/
	cd $(dir $@) ; \
	$(ZIP) -qrp9 $(APP_TARGET).ipa Payload/$(APP_TARGET).app
	rm -r $(dir $@)/Payload
	ls $@

################################################################
## 
## dropbox
##
## build IPAs & doc and copy to dropbox
##
dropbox:	ipa doc
	-rm -r $(DEPLOY_DIR)/v$(VERSION) 2> /dev/null
	-rm -r $(DEPLOY_DIR)/ipa 2> /dev/null
	cp -rp $(BUILD_DIR)/ipa $(DEPLOY_DIR)
	cp -p $(PROVISION) $(DEPLOY_DIR)/ipa
	cp -rp $(DOXYGEN_DIR)/* $(DEPLOY_DIR)/ipa
	mv $(DEPLOY_DIR)/ipa $(DEPLOY_DIR)/v$(VERSION)
	ls -dl $(DEPLOY_DIR)/v$(VERSION)/*/$(APP_TARGET).*

# ###############################################################
# internal use only:
# - fail if there's uncommitted changes waiting
# - fail if unable to set the Info.plist's version's tag
tag:
ifeq (2, $(strip $(shell $(GIT) status | wc -l)))
	$(AGVTOOL) next-version -all
#	sed -i '' -e "s/PROJECT_NUMBER *=.*/PROJECT_NUMBER       = $(VERSION)/g" doxygen.config
	$(GIT) commit -a -m "agvtool next-version: v$(VERSION)"
	$(GIT) tag -a -m "agvtool next-version" v$(VERSION)
else
	$(GIT) status	# assumed to return exit code 1 in any case.
	exit 1			# just to be 100% sure to exit in error...
endif