#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------

ifeq ($(strip $(DEVKITPRO)),)
$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
endif

TOPDIR ?= $(CURDIR)
include $(DEVKITPRO)/libnx/switch_rules

#---------------------------------------------------------------------------------
# TARGET is the name of the output
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# DATA is a list of directories containing data files
# INCLUDES is a list of directories containing header files
# EXEFS_SRC is the optional input directory containing data copied into exefs, if anything this normally should only contain "main.npdm".
#---------------------------------------------------------------------------------
TARGET		:=	horizon-oc-overlay
BUILD		:=	build
OUTDIR		:=	out
RESOURCES	:=	res
SOURCES		:=	src src/ui/gui src/ui/elements ../common/src ../common/src/client
DATA		:=	data
INCLUDES	:=	../common/include
EXEFS_SRC	:=	exefs_src
IS_MINIMAL	:=	0

APP_TITLE	:=	Horizon OC Zeus
NO_ICON		:=	1


# This location should reflect where you place the libultrahand directory (lib can vary between projects).
include ${TOPDIR}/lib/libultrahand/ultrahand.mk


#---------------------------------------------------------------------------------
# version control constants
#---------------------------------------------------------------------------------
#TARGET_VERSION	:= $(shell git describe --dirty --always --tags)
APP_VERSION		:= 1.0.3
TARGET_VERSION := $(APP_VERSION)

#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
DEFINES := -DDISABLE_IPC -DTARGET="\"$(TARGET)\"" -DTARGET_VERSION="\"$(TARGET_VERSION)\"" -DIS_MINIMAL=$(IS_MINIMAL)

ARCH	:=	-march=armv8-a+crc+crypto -mtune=cortex-a57 -mtp=soft -fPIE

CFLAGS	:=	-O2 -Wall -flto -fdata-sections -ffunction-sections -fno-rtti -fno-common \
			$(ARCH) $(DEFINES)

CFLAGS	+=	$(INCLUDE) -D__SWITCH__

# Enable appearance overriding
UI_OVERRIDE_PATH := /config/horizon-oc/
CFLAGS += -DUI_OVERRIDE_PATH="\"$(UI_OVERRIDE_PATH)\""

# Disable fstream
#NO_FSTREAM_DIRECTIVE := 1
#CFLAGS += -DNO_FSTREAM_DIRECTIVE=$(NO_FSTREAM_DIRECTIVE)


CXXFLAGS	:= $(CFLAGS) -fno-exceptions -std=gnu++20

ASFLAGS	:=	-g $(ARCH)
LDFLAGS	=	-specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)

LIBS := -lcurl -lz -lzzip -lmbedtls -lmbedx509 -lmbedcrypto -ljansson -lnx

#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS	:= $(PORTLIBS) $(LIBNX)

#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------

export OUTPUT	:=	$(CURDIR)/$(OUTDIR)/$(TARGET)
export TOPDIR	:=	$(CURDIR)

export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
			$(foreach dir,$(DATA),$(CURDIR)/$(dir))

export DEPSDIR	:=	$(CURDIR)/$(BUILD)

CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))

#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
	export LD	:=	$(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
	export LD	:=	$(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------

export OFILES	:=	$(addsuffix .o,$(BINFILES)) \
			$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)

export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
			-I$(CURDIR)/$(BUILD)

export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)

export BUILD_EXEFS_SRC := $(TOPDIR)/$(EXEFS_SRC)

.PHONY: $(BUILD) clean all

#---------------------------------------------------------------------------------
all: $(BUILD)

$(BUILD):
	@[ -d $@ ] || mkdir -p $@
	@[ -d $(OUTDIR) ] || mkdir -p $(OUTDIR)
	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile

#---------------------------------------------------------------------------------
clean:
	@echo clean ...
	@rm -fr $(BUILD) $(TARGET).ovl $(TARGET).nacp $(TARGET).nso $(TARGET).elf $(OUTDIR)


#---------------------------------------------------------------------------------
else
.PHONY:	all

DEPENDS		:= $(OFILES:.o=.d)

#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------

all: $(OUTPUT).ovl

$(OUTPUT).ovl: $(OUTPUT).elf $(OUTPUT).nacp
	@elf2nro $< $@ --nacp=$(OUTPUT).nacp
	@echo "built ... $(notdir $(OUTPUT).ovl)"
	@printf 'ULTR' >> $@
	@printf "Ultrahand signature has been added.\n"

$(OUTPUT).elf: $(OFILES)

#---------------------------------------------------------------------------------
# you need a rule like this for each extension you use as binary data
#---------------------------------------------------------------------------------
%.bin.o	:	%.bin
#---------------------------------------------------------------------------------
	@echo $(notdir $<)
	@$(bin2o)

-include $(DEPENDS)

#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------