CXX = g++
CC = gcc


NT_SDL_DLL_LOCATION = WindowsShit/SDL2-2.24.0/x86_64-w64-mingw32/bin/SDL2.dll
NT_SDL_TTF_DLL_LOCATION = WindowsShit/SDL2_ttf-2.24.0/x86_64-w64-mingw32/bin/SDL2_ttf.dll
NT_SDL_IMAGE_DLL_LOCATION = WindowsShit/SDL2_image-2.6.0/x86_64-w64-mingw32/bin/SDL2_image.dll
NT_SDL_MIXER_DLL_LOCATION = WindowsShit/SDL2_mixer-2.6.1/x86_64-w64-mingw32/bin/SDL2_mixer.dll
NT_LIBWINPTHREAD_LOCATION = WindowsShit/libwinpthread-1.dll
MACOS_SDL_DYLIB_LOCATION = /opt/homebrew/opt/sdl2/lib/libSDL2.dylib
MACOS_SDL_TTF_DYLIB_LOCATION = /opt/homebrew/opt/sdl2_ttf/lib/libSDL2_ttf.dylib
MACOS_SDL_IMAGE_DYLIB_LOCATION = /opt/homebrew/opt/sdl2_image/lib/libSDL2_image.dylib
MACOS_SDL_MIXER_DYLIB_LOCATION = /opt/homebrew/opt/sdl2_mixer/lib/libSDL2_mixer.dylib

APP_NAME = ShowdownOfTheSticks
UNAME_S := $(shell uname -s)

PLATFORM_TAG = unknown
ifeq ($(UNAME_S),Darwin)
    PLATFORM_TAG = MacOS
endif
ifeq ($(OS),Windows_NT)
    PLATFORM_TAG = Windows_NT
endif
ifeq ($(UNAME_S),Linux)
$(error Linux build is not supported yet, attempting to build may cause issues.)
endif

ROOT_BUILD_DIR = build
BUILD_DIR = $(ROOT_BUILD_DIR)/$(PLATFORM_TAG)

SRC_CPP = src/main.cpp
OBJ_CPP = $(BUILD_DIR)/main.o

LUA_SRC = $(wildcard src/lua/*.c)
LUA_OBJ = $(patsubst src/lua/%.c, $(BUILD_DIR)/lua/%.o, $(LUA_SRC))

ifeq ($(UNAME_S),Darwin)
    TARGET_DIR = $(BUILD_DIR)/dist/$(APP_NAME).app/Contents/MacOS
    TARGET = $(TARGET_DIR)/$(APP_NAME)
    INFO_PLIST = $(BUILD_DIR)/dist/$(APP_NAME).app/Contents/Info.plist
    APP_ICNS = $(BUILD_DIR)/dist/$(APP_NAME).app/Contents/Resources/AppIcon.icns
    MAKE_APP = true
else
    TARGET_DIR = $(BUILD_DIR)/dist
    TARGET = $(TARGET_DIR)/$(APP_NAME)
    MAKE_APP = false
endif

# Default flags for MacOS - these are changed if Windows is detected
CXXFLAGS = -I/opt/homebrew/include -D_THREAD_SAFE -std=c++17
CFLAGS = -I/opt/homebrew/include -D_THREAD_SAFE

LDFLAGS = -L/opt/homebrew/lib -lSDL2 -lSDL2_ttf -lSDL2_image -lSDL2_mixer

ifeq ($(OS),Windows_NT)
    CC = x86_64-w64-mingw32-gcc
    CXX = x86_64-w64-mingw32-g++
	TARGET_DIR = $(BUILD_DIR)/dist
    TARGET = $(TARGET_DIR)/$(APP_NAME).exe
    MAKE_APP = false
    CXXFLAGS = -IWindowsShit/SDL2-2.24.0/x86_64-w64-mingw32/include
    CXXFLAGS += -D_THREAD_SAFE -std=c++17 -static-libgcc -static-libstdc++
    CFLAGS = -IWindowsShit/SDL2-2.24.0/x86_64-w64-mingw32/include -D_THREAD_SAFE
    LDFLAGS = -LWindowsShit/SDL2-2.24.0/x86_64-w64-mingw32/lib -LWindowsShit/SDL2_ttf-2.24.0/x86_64-w64-mingw32/lib -LWindowsShit/SDL2_image-2.6.0/x86_64-w64-mingw32/lib -LWindowsShit/SDL2_mixer-2.6.1/x86_64-w64-mingw32/lib
    LDFLAGS += -lSDL2 -lSDL2_ttf -lSDL2_image -lSDL2_mixer -static-libgcc -static-libstdc++
endif

all: $(TARGET)

$(TARGET): $(OBJ_CPP) $(LUA_OBJ)
	mkdir -p $(TARGET_DIR)
	$(CXX) $(OBJ_CPP) $(LUA_OBJ) -o $(TARGET) $(LDFLAGS)
ifeq ($(MAKE_APP),true)
	mkdir -p $(dir $(INFO_PLIST))
	mkdir -p $(dir $(APP_ICNS))
	cp MacShit/Info.plist $(INFO_PLIST)
	cp MacShit/AppIcon.icns $(APP_ICNS)
	mkdir -p $(TARGET_DIR)
	cp $(MACOS_SDL_DYLIB_LOCATION) $(TARGET_DIR)/libSDL2.dylib
	cp $(MACOS_SDL_TTF_DYLIB_LOCATION) $(TARGET_DIR)/libSDL2_ttf.dylib
	cp $(MACOS_SDL_IMAGE_DYLIB_LOCATION) $(TARGET_DIR)/libSDL2_image.dylib
	cp $(MACOS_SDL_MIXER_DYLIB_LOCATION) $(TARGET_DIR)/libSDL2_mixer.dylib
	install_name_tool -change $(MACOS_SDL_DYLIB_LOCATION) @executable_path/libSDL2.dylib $(TARGET)
	install_name_tool -change $(MACOS_SDL_TTF_DYLIB_LOCATION) @executable_path/libSDL2_ttf.dylib $(TARGET)
	install_name_tool -change $(MACOS_SDL_IMAGE_DYLIB_LOCATION) @executable_path/libSDL2_image.dylib $(TARGET)
	install_name_tool -change $(MACOS_SDL_MIXER_DYLIB_LOCATION) @executable_path/libSDL2_mixer.dylib $(TARGET)
	otool -l $(TARGET)
endif
ifeq ($(OS),Windows_NT)
	cp $(NT_SDL_DLL_LOCATION) $(TARGET_DIR)/SDL2.dll
	cp $(NT_SDL_TTF_DLL_LOCATION) $(TARGET_DIR)/SDL2_ttf.dll
	cp $(NT_SDL_IMAGE_DLL_LOCATION) $(TARGET_DIR)/SDL2_image.dll
	cp $(NT_SDL_MIXER_DLL_LOCATION) $(TARGET_DIR)/SDL2_mixer.dll
	cp $(NT_LIBWINPTHREAD_LOCATION) $(TARGET_DIR)/libwinpthread-1.dll
endif

$(BUILD_DIR)/main.o: src/main.cpp
	mkdir -p $(BUILD_DIR)
	$(CXX) $(CXXFLAGS) -c src/main.cpp -o $(BUILD_DIR)/main.o

$(BUILD_DIR)/lua/%.o: src/lua/%.c
	mkdir -p $(BUILD_DIR)/lua
	$(CC) $(CFLAGS) -c $< -o $@

clean:
	rm -rf $(ROOT_BUILD_DIR)