ROOT := $(abspath ../..)
include $(ROOT)/common.mk

CLI_BUILD         = $(BUILD)/cli
COMMON_OBJ        = $(BUILD)/common/error.o
MEDIA_CTRL_OBJ    = $(BUILD)/media_ctrl/media_ctrl.o
V4L2_CTRL_OBJ     = $(BUILD)/v4l2_ctrl/v4l2_ctrl.o
SERIAL_OBJ        = $(BUILD)/serial/serial.o
TRANSPORT_OBJ     = $(BUILD)/transport/transport.o
DISCOVERY_OBJ     = $(BUILD)/discovery/discovery.o
CONFIG_OBJ        = $(BUILD)/config/config.o
PROTOCOL_OBJ      = $(BUILD)/protocol/protocol.o
TEST_IMAGE_OBJ    = $(BUILD)/test_image/test_image.o
XORG_OBJ          = $(BUILD)/xorg/xorg.o
RECONCILER_OBJ    = $(BUILD)/reconciler/reconciler.o

CLI_SRCS = \
	media_ctrl_cli.c \
	v4l2_ctrl_cli.c \
	transport_cli.c \
	discovery_cli.c \
	config_cli.c \
	protocol_cli.c \
	query_cli.c \
	test_image_cli.c \
	xorg_cli.c \
	v4l2_view_cli.c \
	stream_send_cli.c \
	stream_recv_cli.c \
	reconciler_cli.c \
	controller_cli.c

CLI_OBJS = $(CLI_SRCS:%.c=$(CLI_BUILD)/%.o)

.PHONY: all clean

all: \
	$(CLI_BUILD)/media_ctrl_cli \
	$(CLI_BUILD)/v4l2_ctrl_cli \
	$(CLI_BUILD)/transport_cli \
	$(CLI_BUILD)/discovery_cli \
	$(CLI_BUILD)/config_cli \
	$(CLI_BUILD)/protocol_cli \
	$(CLI_BUILD)/query_cli \
	$(CLI_BUILD)/test_image_cli \
	$(CLI_BUILD)/xorg_cli \
	$(CLI_BUILD)/v4l2_view_cli \
	$(CLI_BUILD)/stream_send_cli \
	$(CLI_BUILD)/stream_recv_cli \
	$(CLI_BUILD)/reconciler_cli \
	$(CLI_BUILD)/controller_cli

# Module objects delegate to their sub-makes.
# 'force' ensures the sub-make is always invoked so it can check source timestamps itself.
.PHONY: force
$(COMMON_OBJ):      force ; $(MAKE) -C $(ROOT)/src/modules/common
$(MEDIA_CTRL_OBJ):  force ; $(MAKE) -C $(ROOT)/src/modules/media_ctrl
$(V4L2_CTRL_OBJ):   force ; $(MAKE) -C $(ROOT)/src/modules/v4l2_ctrl
$(SERIAL_OBJ):      force ; $(MAKE) -C $(ROOT)/src/modules/serial
$(TRANSPORT_OBJ):   force ; $(MAKE) -C $(ROOT)/src/modules/transport
$(DISCOVERY_OBJ):   force ; $(MAKE) -C $(ROOT)/src/modules/discovery
$(CONFIG_OBJ):      force ; $(MAKE) -C $(ROOT)/src/modules/config
$(PROTOCOL_OBJ):    force ; $(MAKE) -C $(ROOT)/src/modules/protocol
$(TEST_IMAGE_OBJ):  force ; $(MAKE) -C $(ROOT)/src/modules/test_image
$(XORG_OBJ):        force ; $(MAKE) -C $(ROOT)/src/modules/xorg
$(RECONCILER_OBJ):  force ; $(MAKE) -C $(ROOT)/src/modules/reconciler

# Compile each CLI source to its own .o (generates .d alongside).
$(CLI_BUILD)/%.o: %.c | $(CLI_BUILD)
	$(CC) $(CFLAGS) $(DEPFLAGS) -c -o $@ $<

# Link rules.
$(CLI_BUILD)/media_ctrl_cli: $(CLI_BUILD)/media_ctrl_cli.o $(COMMON_OBJ) $(MEDIA_CTRL_OBJ)
	$(CC) $(CFLAGS) -o $@ $^

$(CLI_BUILD)/v4l2_ctrl_cli: $(CLI_BUILD)/v4l2_ctrl_cli.o $(COMMON_OBJ) $(V4L2_CTRL_OBJ)
	$(CC) $(CFLAGS) -o $@ $^

$(CLI_BUILD)/transport_cli: $(CLI_BUILD)/transport_cli.o $(COMMON_OBJ) $(SERIAL_OBJ) $(TRANSPORT_OBJ)
	$(CC) $(CFLAGS) -o $@ $^ -lpthread

$(CLI_BUILD)/discovery_cli: $(CLI_BUILD)/discovery_cli.o $(COMMON_OBJ) $(SERIAL_OBJ) $(DISCOVERY_OBJ)
	$(CC) $(CFLAGS) -o $@ $^ -lpthread

$(CLI_BUILD)/config_cli: $(CLI_BUILD)/config_cli.o $(COMMON_OBJ) $(CONFIG_OBJ)
	$(CC) $(CFLAGS) -o $@ $^

$(CLI_BUILD)/protocol_cli: $(CLI_BUILD)/protocol_cli.o $(COMMON_OBJ) $(SERIAL_OBJ) $(TRANSPORT_OBJ) $(PROTOCOL_OBJ)
	$(CC) $(CFLAGS) -o $@ $^ -lpthread

$(CLI_BUILD)/query_cli: $(CLI_BUILD)/query_cli.o $(COMMON_OBJ) $(SERIAL_OBJ) $(TRANSPORT_OBJ) $(DISCOVERY_OBJ) $(PROTOCOL_OBJ)
	$(CC) $(CFLAGS) -o $@ $^ -lpthread

$(CLI_BUILD)/test_image_cli: $(CLI_BUILD)/test_image_cli.o $(TEST_IMAGE_OBJ)
	$(CC) $(CFLAGS) -o $@ $^

$(CLI_BUILD)/xorg_cli: $(CLI_BUILD)/xorg_cli.o $(TEST_IMAGE_OBJ) $(XORG_OBJ)
	$(CC) $(CFLAGS) -o $@ $^ $(PKG_LDFLAGS)

$(CLI_BUILD)/v4l2_view_cli: $(CLI_BUILD)/v4l2_view_cli.o $(XORG_OBJ)
	$(CC) $(CFLAGS) -o $@ $^ $(PKG_LDFLAGS)

$(CLI_BUILD)/stream_send_cli: $(CLI_BUILD)/stream_send_cli.o $(COMMON_OBJ) $(SERIAL_OBJ) $(TRANSPORT_OBJ) $(PROTOCOL_OBJ)
	$(CC) $(CFLAGS) -o $@ $^ -lpthread

$(CLI_BUILD)/stream_recv_cli: $(CLI_BUILD)/stream_recv_cli.o $(COMMON_OBJ) $(SERIAL_OBJ) $(TRANSPORT_OBJ) $(PROTOCOL_OBJ) $(XORG_OBJ)
	$(CC) $(CFLAGS) -o $@ $^ -lpthread $(PKG_LDFLAGS)

$(CLI_BUILD)/reconciler_cli: $(CLI_BUILD)/reconciler_cli.o $(RECONCILER_OBJ)
	$(CC) $(CFLAGS) -o $@ $^

$(CLI_BUILD)/controller_cli: $(CLI_BUILD)/controller_cli.o $(COMMON_OBJ) $(SERIAL_OBJ) $(TRANSPORT_OBJ) $(PROTOCOL_OBJ)
	$(CC) $(CFLAGS) -o $@ $^ -lpthread

$(CLI_BUILD):
	mkdir -p $@

clean:
	rm -f \
		$(CLI_OBJS) \
		$(CLI_OBJS:%.o=%.d) \
		$(CLI_BUILD)/media_ctrl_cli \
		$(CLI_BUILD)/v4l2_ctrl_cli \
		$(CLI_BUILD)/transport_cli \
		$(CLI_BUILD)/discovery_cli \
		$(CLI_BUILD)/config_cli \
		$(CLI_BUILD)/protocol_cli \
		$(CLI_BUILD)/query_cli \
		$(CLI_BUILD)/test_image_cli \
		$(CLI_BUILD)/xorg_cli \
		$(CLI_BUILD)/v4l2_view_cli \
		$(CLI_BUILD)/stream_send_cli \
		$(CLI_BUILD)/stream_recv_cli \
		$(CLI_BUILD)/reconciler_cli \
		$(CLI_BUILD)/controller_cli

-include $(CLI_OBJS:%.o=%.d)