CC      = gcc
CFLAGS  = -Wall -Wextra -std=c11 -g

all: server_udp_third client_udp_third

server_udp_third: server.c
	$(CC) $(CFLAGS) -o $@ $<

client_udp_third: client.c
	$(CC) $(CFLAGS) -o $@ $<

test_server: server_udp_third
	@echo "=== Запуск UDP-сервера (каждый третий символ -> пробел) ==="
	@echo "Выходной файл: out.txt"
	./server_udp_third 5000 out.txt

test_client: client_udp_third
	@echo "=== Запуск UDP-клиента ==="
	@echo "Создаём input.txt"
	@printf "abcdefghi\n1234567890\n" > input.txt
	./client_udp_third 127.0.0.1 5000 input.txt

test_all: all
	@echo "=== Автотест UDP (каждый третий символ -> пробел) ==="
	@printf "abcdefghi\n1234567890\n" > input.txt
	./server_udp_third 5000 out.txt & \
	SRV=$$!; \
	sleep 1; \
	./client_udp_third 127.0.0.1 5000 input.txt; \
	wait $$SRV; \
	echo "--- input.txt ---"; \
	cat input.txt; \
	echo "--- out.txt ---"; \
	cat out.txt

clean:
	@echo "Очистка..."
	rm -f server_udp_third client_udp_third
	rm -f input.txt out.txt

help:
	@echo "Targets:"
	@echo "  all            - build server_udp_third and client_udp_third"
	@echo "  test_server    - run server (port 5000, out.txt)"
	@echo "  test_client    - run client to send input.txt"
	@echo "  test_all       - end-to-end UDP test"
	@echo "  clean          - remove binaries and test files"
	@echo "  help           - show this help"

.PHONY: all test_server test_client test_all clean help