compileFlags = '-c 3 -B -wb=false'

# profilingRom = roms/Homebrew/hs_2600.bin
# profilingRom = roms/Homebrew/CDF/galaga_dmo_v2_NTSC.bin
# profilingRom = roms/Homebrew/DPC+ARM/ZaxxonHDDemo_150927_NTSC.bin
# profilingRom = roms/Rsboxing.bin
# profilingRom = "test_roms/plusrom/sokoboo Plus.bin"
# profilingRom = "roms/starpath/02 - Communist Mutants From Space (Ntsc).mp3"
# profilingRom = "roms/The Official Frogger.bin"
# profilingRom = roms/Homebrew/CDF/gorfarc_20201231_demo1_NTSC.bin
profilingRom = roms/Pitfall.bin
# profilingRom = 

.PHONY: all clean tidy generate check_lint lint lint_fix check_glsl glsl_validate check_pandoc readme_spell test race race_debug profile profile_cpu profile_cpu_play profile_cpu_debug profile_mem_play profile_mem_debug profile_trace build_assertions build check_upx release release_statsview chec_rswc windows_manifest cross_windows_dynamic cross_windows cross_windows_statsview

goBinary = go
# goBinary = ~/Go/dev_github/go/bin/go
# goBinary = gotip

all:
	@echo "use release target to build release binary"

clean:
	@echo "removing binary, profiling files and windows manifests"
	@rm -f gopher2600_* gopher2600
	@rm -f *.profile
	@rm -f rsrc_windows_amd64.syso
	@find ./ -type f | grep "\.orig" | xargs -r rm

tidy:
	goimports -w .

generate:
	@$(goBinary) generate ./...

check_lint:
ifeq (, $(shell which golangci-lint))
	$(error "golanci-lint not installed")
endif

lint: check_lint
# uses .golangci.yml configuration file
	golangci-lint run --sort-results

lint_fix: check_lint
# uses .golangci.yml configuration file
	golangci-lint run --fix --sort-results

check_glsl:
ifeq (, $(shell which glslangValidator))
	$(error "glslangValidator not installed")
endif

glsl_validate: check_glsl
	@glslangValidator gui/sdlimgui/shaders/*.vert
	@glslangValidator gui/sdlimgui/shaders/*.frag

check_pandoc:
ifeq (, $(shell which pandoc))
	$(error "pandoc not installed")
endif

readme_spell: check_pandoc
	@pandoc README.md -t plain | aspell -a | cut -d ' ' -f 2 | awk 'length($0)>1' | sort | uniq


test:
# testing with shuffle on is good but it's only available in go 1.17 onwards
ifeq ($(shell $(goBinary) version | grep -q 1.17 ; echo $$?), 0)
	$(goBinary) test -shuffle on ./...
else
	$(goBinary) test ./...
endif

race: generate test
	$(goBinary) run -race gopher2600.go $(profilingRom)

race_debug: generate test
	$(goBinary) run -race gopher2600.go debug $(profilingRom)

profile:
	@echo use make targets profile_cpu, profile_mem, etc.

profile_cpu: generate test
	@$(goBinary) build -gcflags $(compileFlags)
	@echo "performance mode running for 20s"
	@./gopher2600 performance --profile=cpu --fpscap=false --duration=20s $(profilingRom)
	@$(goBinary) tool pprof -http : ./gopher2600 performance_cpu.profile

profile_cpu_play: generate test
	@$(goBinary) build -gcflags $(compileFlags)
	@echo "use window close button to end (CTRL-C will quit the Makefile script)"
	@./gopher2600 play --profile=cpu $(profilingRom)
	@$(goBinary) tool pprof -http : ./gopher2600 play_cpu.profile

profile_cpu_debug : generate test
	@$(goBinary) build -gcflags $(compileFlags)
	@echo "use window close button to end (CTRL-C will quit the Makefile script)"
	@./gopher2600 debug --profile=cpu $(profilingRom)
	@$(goBinary) tool pprof -http : ./gopher2600 debugger_cpu.profile

profile_mem_play : generate test
	@$(goBinary) build -gcflags $(compileFlags)
	@echo "use window close button to end (CTRL-C will quit the Makefile script)"
	@./gopher2600 play --profile=mem $(profilingRom)
	@$(goBinary) tool pprof -http : ./gopher2600 play_mem.profile

profile_mem_debug : generate test
	@$(goBinary) build -gcflags $(compileFlags)
	@echo "use window close button to end (CTRL-C will quit the Makefile script)"
	@./gopher2600 debug --profile=mem $(profilingRom)
	@$(goBinary) tool pprof -http : ./gopher2600 debugger_mem.profile

profile_trace: generate test
	@$(goBinary) build -gcflags $(compileFlags)
	@echo "performance mode running for 20s"
	@./gopher2600 performance --profile=trace --fpscap=false --duration=20s $(profilingRom)
	@$(goBinary) tool trace -http : performance_trace.profile

build_assertions: generate test
	$(goBinary) build -gcflags $(compileFlags) -tags="assertions"

# deliberately not having test dependecies for remaining targets

build: generate 
	$(goBinary) build -gcflags $(compileFlags) -tags="imguifreetype"

build_statsview: generate 
	$(goBinary) build -gcflags $(compileFlags) -tags="imguifreetype statsview" -o gopher2600_statsview

check_upx:
ifeq (, $(shell which upx))
	$(error "upx not installed")
endif

release: generate 
	$(goBinary) build -gcflags $(compileFlags) -ldflags="-s -w" -tags="imguifreetype release"
	mv gopher2600 gopher2600_$(shell go env GOHOSTOS)_$(shell go env GOHOSTARCH)

release_upx: check_upx generate 
	$(goBinary) build -gcflags $(compileFlags) -ldflags="-s -w" -tags="imguifreetype release"
	upx -o gopher2600.upx gopher2600
	mv gopher2600.upx gopher2600_$(shell go env GOHOSTOS)_$(shell go env GOHOSTARCH)
	rm gopher2600

release_statsview: generate 
	$(goBinary) build -gcflags $(compileFlags) -ldflags="-s -w" -tags="imguifreetype release statsview" -o gopher2600_statsview
	mv gopher2600_statsview gopher2600_statsview_$(shell go env GOHOSTOS)_$(shell go env GOHOSTARCH)

release_statsview_upx: check_upx generate 
	$(goBinary) build -gcflags $(compileFlags) -ldflags="-s -w" -tags="imguifreetype release statsview" -o gopher2600_statsview
	upx -o gopher2600_statsview.upx gopher2600_statsview
	mv gopher2600_statsview.upx gopher2600_statsview_$(shell go env GOHOSTOS)_$(shell go env GOHOSTARCH)
	rm gopher2600_statsview

check_rscr:
ifeq (, $(shell which rsrc))
	$(error "rsrc not installed. https://github.com/akavel/rsrc")
endif

windows_manifest: check_rscr
	rsrc -ico .resources/256x256.ico,.resources/48x48.ico,.resources/32x32.ico,.resources/16x16.ico

# cross_windows_dynamic: generate windows_manifest
# 	CGO_ENABLED="1" CC="/usr/bin/x86_64-w64-mingw32-gcc" CXX="/usr/bin/x86_64-w64-mingw32-g++" GOOS="windows" GOARCH="amd64" CGO_LDFLAGS="-lmingw32 -lSDL2" CGO_CFLAGS="-D_REENTRANT" go build -tags "release" -gcflags $(compileFlags) -ldflags="-s -w -H=windowsgui" -o gopher2600_windows_amd64.exe .

cross_windows: generate windows_manifest
	CGO_ENABLED="1" CC="/usr/bin/x86_64-w64-mingw32-gcc" CXX="/usr/bin/x86_64-w64-mingw32-g++" GOOS="windows" GOARCH="amd64" CGO_LDFLAGS="-static -static-libgcc -static-libstdc++ -L/usr/local/x86_64-w64-mingw32/lib" $(goBinary) build -tags "static imguifreetype release" -gcflags $(compileFlags) -ldflags "-s -w -H=windowsgui" -o gopher2600_windows_amd64.exe .
	rm rsrc_windows_amd64.syso

cross_windows_statsview: generate windows_manifest
	CGO_ENABLED="1" CC="/usr/bin/x86_64-w64-mingw32-gcc" CXX="/usr/bin/x86_64-w64-mingw32-g++" GOOS="windows" GOARCH="amd64" CGO_LDFLAGS="-static -static-libgcc -static-libstdc++" $(goBinary) build -tags "static imguifreetype release statsview" -gcflags $(compileFlags) -ldflags "-s -w -H=windowsgui" -o gopher2600_statsview_windows_amd64.exe .
	rm rsrc_windows_amd64.syso