# PatchBay top-level Makefile

PREFIX     ?= /usr/local
SBINDIR    ?= $(PREFIX)/sbin
LIBDIR     ?= $(PREFIX)/lib/patchbay
DESTDIR    ?=

CC         ?= cc
CFLAGS     ?= -O2 -g
CFLAGS     += -std=c99 -D_GNU_SOURCE -Wall -Wextra -Wno-unused-parameter
PKGS       := libssh2 sqlite3
PKG_CFLAGS := $(shell pkg-config --cflags $(PKGS))
PKG_LIBS   := $(shell pkg-config --libs $(PKGS))

BUILD      := build
SRC        := backend/src
COMMON     := config log net proto json services db stats
OBJS_ALL   := $(addprefix $(BUILD)/,$(addsuffix .o,$(COMMON) hub client relay main))
OBJS_TEST  := $(addprefix $(BUILD)/,$(addsuffix .o,config log net proto json services))

PYTHON     ?= python3

.PHONY: all test test-c test-web install clean docker-test check-deps

all: $(BUILD)/patchbayd

$(BUILD):
	mkdir -p $(BUILD)

# Fails early with a hint instead of a missing-header compiler error.
check-deps:
	@pkg-config --exists $(PKGS) || { \
	  echo "missing build dependencies (pkg-config cannot find: $(PKGS))" >&2; \
	  echo "  APT:  sudo apt-get install build-essential pkg-config libssh2-1-dev libsqlite3-dev" >&2; \
	  echo "  XBPS: sudo xbps-install base-devel pkg-config libssh2-devel sqlite-devel" >&2; \
	  echo "  or:   sudo ./install.sh --role client|target  (keeps an existing config)" >&2; \
	  exit 1; }

# Embed schema.sql as a C string so the daemon has no runtime file dependency.
$(BUILD)/schema.h: schema.sql | $(BUILD)
	{ printf 'static const char pb_schema_sql[] =\n'; \
	  sed -e 's/\\/\\\\/g' -e 's/"/\\"/g' -e 's/^/"/' -e 's/$$/\\n"/' $<; \
	  printf ';\n'; } > $@

$(BUILD)/%.o: $(SRC)/%.c $(wildcard $(SRC)/*.h) $(BUILD)/schema.h | $(BUILD) check-deps
	$(CC) $(CFLAGS) $(PKG_CFLAGS) -I$(BUILD) -c -o $@ $<

$(BUILD)/patchbayd: $(OBJS_ALL)
	$(CC) $(CFLAGS) -o $@ $^ $(PKG_LIBS)

$(BUILD)/test_runner: backend/tests/test_main.c $(OBJS_TEST)
	$(CC) $(CFLAGS) $(PKG_CFLAGS) -I$(BUILD) -o $@ $^ $(PKG_LIBS)

test: test-c test-web

# Single C test: make test-c T=services_parse
test-c: $(BUILD)/test_runner
	$(BUILD)/test_runner $(T)

# Single web test: make test-web T=tests.test_auth.AuthTest.test_login_2fa
test-web:
	cd web && $(PYTHON) -m unittest $(if $(T),$(T),discover -s tests -t .) -v

install: all
	install -Dm755 $(BUILD)/patchbayd $(DESTDIR)$(SBINDIR)/patchbayd
	install -Dm755 sshd/patchbay-sshd $(DESTDIR)$(LIBDIR)/patchbay-sshd
	install -Dm644 sshd/sshd_config.in $(DESTDIR)$(LIBDIR)/sshd_config.in
	mkdir -p $(DESTDIR)$(LIBDIR)/web
	cp -r web/patchbay_web $(DESTDIR)$(LIBDIR)/web/
	install -Dm644 schema.sql $(DESTDIR)$(LIBDIR)/web/patchbay_web/schema.sql
	rm -rf $(DESTDIR)$(LIBDIR)/web/patchbay_web/__pycache__

# Builds the images and runs the target + clients integration test.
docker-test:
	docker/run-tests.sh

clean:
	rm -rf $(BUILD)