# Compiler
CC := gcc
# Compiler flags
CFLAGS := -Wall -Wextra -Ilibs

# Directories
SRCDIR := src
BINDIR := bin
LIBDIR := libs

# Source files
SRCS := $(wildcard $(SRCDIR)/*.c)
# Object files
OBJS := $(patsubst $(SRCDIR)/%.c,$(BINDIR)/%.o,$(SRCS))

# Libraries
LIBS := $(wildcard $(LIBDIR)/*/*.c)
# Library object files
LIBOBJS := $(patsubst %.c,%.o,$(LIBS))

# Target executables
EXECUTABLES := $(patsubst $(SRCDIR)/%,$(BINDIR)/%,$(basename $(wildcard $(SRCDIR)/*/*.c)))

.PHONY: all clean

all: $(EXECUTABLES)

$(BINDIR)/%: $(BINDIR)/%.o $(LIBOBJS)
	$(CC) $(CFLAGS) $^ -o $@

$(BINDIR)/%.o: $(SRCDIR)/%.c | $(BINDIR)
	$(CC) $(CFLAGS) -c $< -o $@

$(BINDIR):
	mkdir -p $(BINDIR)

users:
	-sudo useradd -M djumbaiq
	-sudo useradd -M djumbaid
	-sudo groupadd djumbai_queue
	-sudo groupadd djumbai_send
	-sudo usermod -aG djumbai_queue djumbaiq
	-sudo usermod -aG djumbai_queue djumbaid
	-sudo usermod -aG djumbai_send djumbaid
	-sudo usermod -aG djumbai_send root


permissions:
	-sudo chown djumbaiq:djumbai $(BINDIR)/djumbai_enqueue/djumbai_enqueue
	-sudo chmod a+s $(BINDIR)/djumbai_enqueue/djumbai_enqueue
	-sudo chown djumbaid:djumbai_queue $(BINDIR)/djumbai_dequeue/djumbai_dequeue
	-sudo chmod a+s $(BINDIR)/djumbai_dequeue/djumbai_dequeue
	-sudo chown root:djumbai_send $(BINDIR)/djumbai_send/djumbai_send
	-sudo chmod a+s $(BINDIR)/djumbai_send/djumbai_send

directories:
	-sudo mkdir -m 050 /djumbai
	-sudo mkdir -m 070 /djumbai/fifos
	-sudo mkdir -m 070 /djumbai/user
	-sudo mkdir -m 070 /djumbai/group
	-sudo chown nobody:djumbai /djumbai
	-sudo chown nobody:djumbai /djumbai/fifos
	-sudo chown nobody:djumbai /djumbai/user
	-sudo chown nobody:djumbai /djumbai/group

setup: users permissions directories

clean:
	rm -rf $(BINDIR)