# compiler stuff
CXX := c++
CXXFLAGS := -I include -std=c++11 -Wall -Wextra
DBG_CXXFLAGS := $(CXXFLAGS) -g
RLS_CXXFLAGS := $(CXXFLAGS) -O2

# linker stuff
LDFLAGS := -L C:\msys64\mingw64\bin -lncursesw6
DBG_LDFLAGS := $(LDFLAGS)
RLS_STRP_LDFLAGS := $(LDFLAGS) -s

# directories
BUILD_DIR := build
SRC_DIR := src
BIN_DIR := bin
DBG_DIR := $(BIN_DIR)\debug
RLS_DIR := $(BIN_DIR)\release
LIB_DIR := lib
DBG_EXEC := $(DBG_DIR)\debug.exe
RLS_STRIPPED_EXEC := $(RLS_DIR)\release_stripped.exe
RLS_EXEC := $(RLS_DIR)\release.exe

# sources and objects
LIBS := $(wildcard $(LIB_DIR)/*.dll)
LIBS_DBG := $(patsubst $(LIB_DIR)/%.dll, $(DBG_DIR)\\%.dll, $(LIBS))
LIBS_RLS := $(patsubst $(LIB_DIR)/%.dll, $(RLS_DIR)\\%.dll, $(LIBS))
SRCS := $(wildcard $(SRC_DIR)/*.cpp)
DBG_OBJS := $(patsubst $(SRC_DIR)/%.cpp,$(BUILD_DIR)/debug_%.o,$(SRCS))
RLS_OBJS := $(patsubst $(SRC_DIR)/%.cpp,$(BUILD_DIR)/release_%.o,$(SRCS))

$(shell if not exist $(BIN_DIR) mkdir $(BIN_DIR))
$(shell if not exist $(DBG_DIR) mkdir $(DBG_DIR))
$(shell if not exist $(RLS_DIR) mkdir $(RLS_DIR))
$(shell if not exist $(BUILD_DIR) mkdir $(BUILD_DIR))

# phony rules
.PHONY := all debug release clean libraries_debug libraries_release both

all: debug

debug: $(DBG_DIR)/debug.exe libraries_debug
release: $(RLS_DIR)/release_stripped.exe $(RLS_DIR)/release.exe libraries_release
both: debug release

libraries_debug: $(LIBS_DBG)
libraries_release: $(LIBS_RLS)

# linking
$(DBG_EXEC): $(DBG_OBJS)
	$(CXX) -o $@ $^ $(DBG_LDFLAGS)

$(RLS_STRIPPED_EXEC): $(RLS_OBJS)
	$(CXX) -o $@ $^ $(RLS_STRP_LDFLAGS)

$(RLS_EXEC): $(RLS_OBJS)
	$(CXX) -o $@ $^ $(LDFLAGS)

# compiling
$(BUILD_DIR)/debug_%.o: $(SRC_DIR)/%.cpp
	$(CXX) -c -o $@ $< $(DBG_CXXFLAGS)

$(BUILD_DIR)/release_%.o: $(SRC_DIR)/%.cpp
	$(CXX) -c -o $@ $< $(RLS_CXXFLAGS)

$(DBG_DIR)\\%.dll: $(LIB_DIR)\\%.dll
	xcopy $< $(DBG_DIR)\ >nul

$(RLS_DIR)\\%.dll: $(LIB_DIR)\\%.dll
	xcopy $< $(RLS_DIR)\ >nul

clean:
	rmdir /s /q $(BUILD_DIR) $(DBG_DIR) $(RLS_DIR)