# pke-at

PROJ=pke-at

-include config.mk

FLAGS_DEBUG         = -O0 -g -DDEBUG
FLAGS_RELEASE_DEBUG = -O2 -g -DDEBUG
FLAGS_RELEASE       = -O2 -s -DNDEBUG
BUILD_MODE_FLAGS    = $(FLAGS_DEBUG)

define cc-command
	$(CC) -std=c2x -c -o $@ $(BUILD_MODE_FLAGS) $(CFLAGS) $(INCS) $<
endef

define cxx-command
	$(CXX) -std=c++23 -c -o $@ $(BUILD_MODE_FLAGS) $(CXXFLAGS) $(INCS) $<
endef

define cc-encode-binary-command
$(1): $(2)
	xxd -i $$< | sed -e 's/^unsigned /const unsigned /' > $$@
endef

define cc-pre-compile-header-command
$(1): $(2)
	$(CC) -std=c2x -O3 -c $$< -o $$@
endef

FILES_BIN = \
	src/sql/schema-000-000.sql \
	src/sql/section_delete.sql \
	src/sql/section_get.sql \
	src/sql/section_upsert.sql \
	src/sql/setlist_delete.sql \
	src/sql/setlist_get.sql \
	src/sql/setlist_upsert.sql \
	src/sql/setlist_song_delete.sql \
	src/sql/setlist_song_get.sql \
	src/sql/setlist_song_upsert.sql \
	src/sql/song_delete.sql \
	src/sql/song_get.sql \
	src/sql/song_upsert.sql \

FILES_BIN_SAFE     = $(subst -,_,$(subst .,_,$(FILES_BIN)))
FILES_BIN_H        = $(FILES_BIN_SAFE:%=%.h)
FILES_BIN_GCH      = $(FILES_BIN_SAFE:%=%.gch)

# I don't like foreach but this works
$(foreach f,$(FILES_BIN), \
	$(eval \
		$(call cc-encode-binary-command,$(subst -,_,$(subst .,_,$f)).h,$(f)) \
	) \
)
$(foreach f,$(FILES_BIN_SAFE), \
	$(eval \
		$(call cc-pre-compile-header-command,$(f).gch,$(f).h) \
	) \
)

.PHONY: default
default: options .WAIT bin/pke-at

.PHONY: prepare
prepare: ## Set up the current directory to build
	mkdir -p bin
	mkdir -p obj

.PHONY: options
options: prepare .WAIT
	@echo "$(PROJ)" build options:
	@echo "CFLAGS            = $(CFLAGS)"
	@echo "CXXFLAGS          = $(CXXFLAGS)"
	@echo "BUILD_MODE_FLAGS  = $(BUILD_MODE_FLAGS)"
	@echo "LDFLAGS           = $(LDFLAGS)"
	@echo "CC                = $(CC)"
	@echo "CXX               = $(CXX)"

obj/embedded-sql.o   : $(FILES_BIN_GCH)
obj/%.o  : src/%.c   | prepare
	$(cc-command)
obj/%.o  : src/%.cpp | prepare
	$(cxx-command)

bin/pke-at: ## Builds the pke-at executable
bin/pke-at: obj/embedded-sql.o
bin/pke-at: obj/level-main.o
bin/pke-at: obj/level-init.o
bin/pke-at: obj/main.o
bin/pke-at: obj/pke-at-common.o
bin/pke-at: obj/pke-at-settings.o
bin/pke-at: obj/pke-at-storage-sql.o
bin/pke-at: obj/pke-at.o
	$(CXX) -v -std=c++23 $(BUILD_MODE_FLAGS) $(INCS) -Wl,--whole-archive $^ $(LDFLAGS) -Wl,--no-whole-archive $(CXXFLAGS) -o $@

.PHONY: clean
clean:
	rm -rf bin
	rm -rf obj
	rm -rf *.plist
	rm -f $(FILES_BIN_H)

.PHONY: help
help: ## Prints help for targets with comments
	@cat $(MAKEFILE_LIST) | grep -E '^[a-zA-Z_-]+:.*?## .*$$' | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'