.POSIX:
DATE         = 1970-01-01
VERSION      = 0.1.0
NAME         = papo
NAME_UC      = $(NAME)
URL          = papo.im
MAILING_LIST = list@$(URL)
LANGUAGES    =
## Installation prefix.  Defaults to "/usr".
PREFIX       = /usr
BINDIR       = $(PREFIX)/bin
LIBDIR       = $(PREFIX)/lib
JSLIBDIR     = $(LIBDIR)/node/$(NAME)
SRCDIR       = $(PREFIX)/src/$(NAME)
SHAREDIR     = $(PREFIX)/share
LOCALEDIR    = $(SHAREDIR)/locale
MANDIR       = $(SHAREDIR)/man
EXEC         = ./
## Where to store the installation.  Empty by default.
DESTDIR      =



.SUFFIXES:
.SUFFIXES: .in .go .bin .bin-check

.in:
	sed \
		-e 's:@MAILING_LIST@:$(MAILING_LIST):g' \
		-e 's:@VERSION@:$(VERSION):g'           \
		-e 's:@DATE@:$(DATE):g'                 \
		-e 's:@NAME@:$(NAME):g'                 \
		-e 's:@URL@:$(URL):g'                   \
		< $< > $@
	if [ -x $< ]; then chmod +x $@; fi

.go.bin:
	CGO_ENABLED=0 go test -c -o $@ -v \
		-ldflags='-s -w -extldflags "-static"' $<



all:
include deps.mk

tests.bin = $(tests.go:.go=.bin)

manpages = $(manpages.in:.in=)

sources = \
	$(sources.mjs)                 \

installable = \
	$(sources.sql)                 \
	$(sources.mjs)                 \
	src/sqlite.cjs                 \
	src/package.json               \


derived-assets = \
	$(manpages)                    \
	main.bin                       \
	$(tests.bin)                   \

side-assets = \
	ircd.pipe                      \
	lighttpd.socket                \
	ircd.socket                    \
	wscat.socket                   \



## Default target.  Builds all artifacts required for testing
## and installation.
all: $(derived-assets)


main.bin: ALWAYS
	CGO_ENABLED=0 go build -o $@ -v \
		-ldflags='-s -w -extldflags "-static"' src/cmd/papo.go
	
$(tests.bin): ALWAYS



tests.bin-check = $(tests.go:.go=.bin-check)
$(tests.bin-check):
	./$*.bin

check-unit: $(tests.bin-check)


integration-tests = \
	tests/cli-opts.sh \

$(integration-tests): ALWAYS
	sh $@ $(EXEC)src/bin.mjs

check-integration: $(integration-tests)


## Run all tests.  Each test suite is isolated, so that a parallel
## build can run tests at the same time.  The required artifacts
## are created if missing.
check: check-unit check-integration


## Remove *all* derived artifacts produced during the build.
## A dedicated test asserts that this is always true.
clean:
	rm -rf $(derived-assets) $(side-assets)


## Installs into $(DESTDIR)$(PREFIX).  Its dependency target
## ensures that all installable artifacts are crafted beforehand.
install: all
	mkdir -p \
		'$(DESTDIR)$(BINDIR)' \
		'$(DESTDIR)$(JSLIBDIR)'
	ln -fs '$(DESTDIR)$(JSLIBDIR)'/bin.mjs '$(DESTDIR)$(BINDIR)'/$(NAME)
	for f in $(installable); do \
		dir='$(DESTDIR)$(JSLIBDIR)'/"`dirname "$${f#src/}"`"; \
		mkdir -p "$$dir"; \
		cp -P "$$f" "$$dir"; \
	done
	for f in $(sources); do \
		dir='$(DESTDIR)$(SRCDIR)'/"`dirname "$${f#src/}"`"; \
		mkdir -p "$$dir"; \
		cp -P "$$f" "$$dir"; \
	done
	doctool -ip '$(DESTDIR)$(MANDIR)' $(manpages)

## Uninstalls from $(DESTDIR)$(PREFIX).  This is a perfect mirror
## of the "install" target, and removes *all* that was installed.
## A dedicated test asserts that this is always true.
uninstall:
	rm -rf \
		'$(DESTDIR)$(BINDIR)'/$(NAME) \
		'$(DESTDIR)$(JSLIBDIR)'       \
		'$(DESTDIR)$(SRCDIR)'
	doctool -up '$(DESTDIR)$(MANDIR)' $(manpages)


run-ircd: all
	./src/bin.mjs ircd ircd.socket

run-wscat: all
	websockify --unix-listen=wscat.socket --unix-target=ircd.socket

run-proxy: all
	lighttpd -Df tests/lighttpd.conf

run-binder: all
	socat tcp-listen:6001,fork,reuseaddr unix:lighttpd.socket

## Run the IRC server locally and its helper programs.
run: all
	for c in ircd wscat proxy binder; do \
		$(MAKE) run-$$c & \
	done; \
	wait


ALWAYS: