GCC = gcc
CFLAGS = -g -Wall -Wshadow
LIBS =
SOURCES = answer06.c pa06.c
TARGET = pa06
TESTN := $(shell seq 0 4)

# -------------------------------------------------------------

TESTS := $(addprefix test,${TESTN})

.PHONY : all build clean environment help testall $(TESTS)
.DEFAULT_GOAL := build

OBJF = obj
OBJS = $(patsubst %.c,$(OBJF)/%.o,$(SOURCES))

-include $(SOURCES:%=$(OBJF)/%.P)

all: | build testall

testall: | test0 test1 test2 test3 test4

build: $(TARGET)

clean:
	@cd $(CURDIR)
	rm -rf $(TARGET) $(OBJF) outputs

environment:
	@cd $(CURDIR)
	@mkdir -p outputs
	@mkdir -p $(OBJF)

help:
	@echo
	@echo "   make            Build $(TARGET)"
	@echo "   make testall    Run /all/ testcases"
	@echo "   make clean      Remove all temporary files"
	@echo "   make help       Print this message"

$(TARGET): $(OBJS) | environment
	$(GCC) $(CFLAGS) $(OBJS) $(LIBS) -o $@

$(OBJF)/%.o: %.c | environment
	@$(GCC) -MM $(CFLAGS) $< | sed 's,^\([^ ]\),$(OBJF)\/\1,g' | sed '$$ s,$$, \\,' > $(OBJF)/$<.P
	$(GCC) $(CFLAGS) -c -o $@ $<

test0: $(TARGET) | environment
	@./bin/test.sh "$(TARGET)" images/01-unnormalized-smile.ee264 outputs/01-smile.ppm expected/01-smile.ppm outputs/valgrind-log0

test1: $(TARGET) | environment
	@./bin/test.sh "$(TARGET)" images/02-unnormalized-cat-chess.ee264 outputs/02-cat-chess.ppm expected/02-cat-chess.ppm outputs/valgrind-log1

test2: $(TARGET) | environment
	@./bin/test.sh "$(TARGET)" images/03-unnormalized-hawkes-bay-NZ.ee264 outputs/03-hawkes-bay-NZ.ppm expected/03-hawkes-bay-NZ.ppm outputs/valgrind-log2

test3: $(TARGET) | environment
	@./bin/test.sh "$(TARGET)" images/04-unnormalized-nelsonmandela.ee264 outputs/04-nelsonmandela.ppm expected/04-nelsonmandela.ppm outputs/valgrind-log3

test4: $(TARGET) | environment
	@./bin/test.sh "$(TARGET)" images/05-unnormalized-sagan-stamp.ee264 outputs/05-sagan-stamp.ppm expected/05-sagan-stamp.ppm outputs/valgrind-log4