# Compiler and flags
CC = gcc
CFLAGS = -Wall -Wextra -Wpedantic -Werror -std=c99 \
	     -O2 -Iexternal/raylib/src
LDFLAGS = -Lexternal/raylib/ -lraylib -lm -lpthread

# Directories
SRC_DIR = src
OBJ_DIR = .obj
RAYLIB_SRC_DIR = external/raylib/src
RAYLIB_LIB = external/raylib/libraylib.a

# Target executable
TARGET = vinora 

# Source and object files
C_SOURCES = $(wildcard $(SRC_DIR)/*.c)
OBJECTS = $(C_SOURCES:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)

# Default target
all: $(TARGET)

# Build Raylib library
raylib: $(RAYLIB_LIB)

$(RAYLIB_LIB):
	@echo 
	@echo "BUILDING RAYLIB..."
	@echo
	$(MAKE) -C $(RAYLIB_SRC_DIR) 

# Goal to download raylib binary from Github
fetch-raylib:
	@echo "Downloading Raylib from GitHub..."
	@mkdir -p external/raylib
	@cd external && \
	if [ "$$(uname -s)" = "Linux" ]; then \
		if [ "$$(uname -m)" = "x86_64" ]; then \
			wget https://github.com/raysan5/raylib/releases/download/5.5/raylib-5.5_linux_amd64.tar.gz && \
			tar -xzf raylib-5.5_linux_amd64.tar.gz && mv raylib-5.5_linux_amd64/lib/libraylib.a raylib/ && rm -rf raylib-5.5_linux_amd64 raylib-5.5_linux_amd64.tar.gz; \
		else \
			wget https://github.com/raysan5/raylib/releases/download/5.5/raylib-5.5_linux_i386.tar.gz && \
			tar -xzf raylib-5.5_linux_i386.tar.gz && mv raylib-5.5_linux_i386/lib/libraylib.a raylib/ && rm -rf raylib-5.5_linux_i386 raylib-5.5_linux_i386.tar.gz; \
		fi \
	else \
		if [ "$$(uname -s)" = "Darwin" ]; then \
			wget https://github.com/raysan5/raylib/releases/download/5.5/raylib-5.5_macos.tar.gz && \
			tar -xzf raylib-5.5_macos.tar.gz && mv raylib-5.5_macos/lib/libraylib.a raylib/ && rm -rf raylib-5.5_macos raylib-5.5_macos.tar.gz; \
		else \
			echo "Unsupported OS"; exit 1; \
		fi \
	fi


# Link object files to create executable
$(TARGET): $(OBJECTS) | $(RAYLIB_LIB) $(OBJ_DIR)
	$(CC) $(OBJECTS) -o $@ $(LDFLAGS)

# Compile C source files
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c | $(OBJ_DIR)
	$(CC) $(CFLAGS) -c $< -o $@

# Create object directory if it doesn't exist
$(OBJ_DIR):
	mkdir -p $(OBJ_DIR)

run: $(TARGET)
	./$(TARGET)

# Clean up
clean:
	rm -rf $(OBJ_DIR) $(TARGET)
	$(MAKE) -C $(RAYLIB_SRC_DIR) clean
	rm -f $(RAYLIB_LIB)

# Phony targets
.PHONY: all clean run raylib