CFLAGS = -std=gnu99 -pie -fPIC -pedantic -Wno-imports -Wunused -Wno-missing-field-initializers -Wextra -Wunreachable-code -O3

all: wireguard_mount wireguard_resolve vpn

wireguard_mount: src/wireguard-mount.c
	mkdir -p bin
	gcc $(CFLAGS) -o bin/wireguard-mount src/wireguard-mount.c -lsystemd

wireguard_resolve: src/resolve.c src/resolve.s
	mkdir -p bin
	gcc -shared -o bin/wireguard-resolve.so -nostdlib -fPIC src/resolve.c src/resolve.s

vpn: src/vpn.c
	mkdir -p bin
	gcc $(CFLAGS) -o bin/vpn src/vpn.c

format: src scripts
	clang-format -i src/*.c
	ruff --fix scripts
	black scripts

install_mount: systemd bin
	mkdir -p /snacks/wireguard/bin
	cp bin/wireguard-mount /snacks/wireguard/bin/wireguard-mount
	cp systemd/wireguard-mount.service /etc/systemd/system/wireguard-mount.service
	chmod -R 755 /snacks/wireguard
	systemctl daemon-reload
	systemctl enable wireguard-mount
	systemctl start wireguard-mount

install_basic: systemd scripts bin
	mkdir -p /snacks/wireguard/bin
	mkdir -p /snacks/wireguard/scripts
	cp systemd/vpnclient-wg-basic.service /etc/systemd/system/vpnclient-wg-basic.service
	cp scripts/connect_basic.py /snacks/wireguard/scripts/connect_basic.py
	cp scripts/inner_basic.sh /snacks/wireguard/scripts/inner_basic.sh
	cp scripts/is_root_namespace.py /snacks/wireguard/scripts/is_root_namespace.py
	cp scripts/dns.nft /snacks/wireguard/scripts/dns.nft
	cp scripts/create_conf.py /snacks/wireguard/scripts/create_conf.py
	cat scripts/vpn_prompt.sh >> /etc/zsh/zshrc
	cp bin/vpn /usr/local/bin/vpn
	setcap cap_sys_admin,cap_sys_ptrace=ep /usr/local/bin/vpn
	chmod -R 755 /snacks/wireguard
	systemctl daemon-reload