# SE050 WireGuard Makefile
# Fallback for environments without CMake

CC = gcc
AR = ar
CFLAGS = -Wall -Wextra -std=c11 -I include
LDFLAGS = 

# Source files
SRCS = src/se050_i2c_hal.c \
       src/se050_session.c \
       src/se050_keystore.c \
       src/se050_rng.c \
       src/se050_x25519.c \
       src/se050_scp03.c

# Object files
OBJS = $(SRCS:.c=.o)

# Test sources
TEST_SRCS = tests/test_scp03.c tests/test_scp03_hardware.c
TEST_OBJS = $(TEST_SRCS:.c=.o)

# Target library
LIB = libse050_wireguard.a

# Test executables
TEST_SCP03 = test_scp03
TEST_HARDWARE = test_scp03_hardware

# Default target
all: $(LIB) $(TEST_SCP03) $(TEST_HARDWARE)

# Create build directory
build:
	@mkdir -p build

# Build static library
$(LIB): $(OBJS)
	@mkdir -p build
	$(AR) rcs build/$@ $^

# Build test executables
$(TEST_SCP03): tests/test_scp03.c $(LIB)
	@mkdir -p build
	$(CC) $(CFLAGS) -o build/$@ $< build/$(LIB) $(LDFLAGS)

$(TEST_HARDWARE): tests/test_scp03_hardware.c $(LIB)
	@mkdir -p build
	$(CC) $(CFLAGS) -o build/$@ $< build/$(LIB) $(LDFLAGS)

# Compile source files
src/%.o: src/%.c
	$(CC) $(CFLAGS) -c $< -o $@

# Compile test files
tests/%.o: tests/%.c
	$(CC) $(CFLAGS) -c $< -o $@

# Run tests
test: all
	@echo "Running SCP03 tests..."
	./build/$(TEST_SCP03)
	@echo ""
	@echo "Running SCP03 hardware tests..."
	./build/$(TEST_HARDWARE)

# Clean build artifacts
clean:
	rm -rf build *.o src/*.o tests/*.o

# Clean and rebuild
rebuild: clean all

# Install (requires sudo)
install: all
	install -d $(DESTDIR)/usr/local/include
	install -d $(DESTDIR)/usr/local/lib
	install -m 644 include/se050_wireguard.h $(DESTDIR)/usr/local/include/
	install -m 644 build/$(LIB) $(DESTDIR)/usr/local/lib/

# Uninstall
uninstall:
	rm -f $(DESTDIR)/usr/local/include/se050_wireguard.h
	rm -f $(DESTDIR)/usr/local/lib/$(LIB)

.PHONY: all build test clean rebuild install uninstall