# File: Makefile for hex-zero
# Location: hex-zero source package
# Author: bgstack15
# Startdate: 2020-12-09
# Title: Makefile for hex-zero source package
# Purpose: To use traditional Unix make utility
# History:
# Usage:
# Reference:
#    bgscripts Makefile
# Improve:
#    add man page?
# Document:
# Dependencies:
#    build-devuan: 

APPNAME    = hex-zero
APPVERSION = 0.0.1
SRCDIR     = $(CURDIR)/..# because Makefile is in config/ inside this repo
prefix     = /usr
SYSCONFDIR = $(DESTDIR)/etc
DEFAULTDIR = $(DESTDIR)/etc/sysconfig# for debian use '$(DESTDIR)/etc/default'
LIBEXECDIR = $(DESTDIR)$(prefix)/libexec
SHAREDIR   = $(DESTDIR)$(prefix)/share
DOCDIR     = $(SHAREDIR)/doc/$(APPNAME)
APPDIR     = $(DESTDIR)/var/www/$(APPNAME)
MANDIR     = $(SHAREDIR)/man
SYSVDIR    = $(SYSCONFDIR)/init.d
SYSDDIR    = $(DESTDIR)$(prefix)/lib/systemd/system
LOGDIR	  = $(DESTDIR)/var/log/hex-zero
APACHEDIR  = $(SYSCONFDIR)/httpd/conf.d# for debian use '$(SYSCONFDIR)/apache2/sites-available'

# variables for deplist
DEPTYPE = dep
SEPARATOR = ,

awkbin     :=$(shell which awk)
chmodbin   :=$(shell which chmod)
cpbin      :=$(shell which cp)
echobin    :=$(shell which echo)
falsebin   :=$(shell which false)
findbin    :=$(shell which find)
grepbin    :=$(shell which grep)
gzipbin    :=$(shell which gzip)
installbin :=$(shell which install)
rmbin      :=$(shell which rm)
rmdirbin   :=$(shell which rmdir)
sedbin     :=$(shell which sed)
sortbin    :=$(shell which sort)
truebin    :=$(shell which true)
uniqbin    :=$(shell which uniq)
xargsbin   :=$(shell which xargs)

with_apache ?= YES
with_nsfw ?= NO
with_init ?= YES
with_systemd ?= NO

install: install_files

.PHONY: clean install install_files uninstall list deplist deplist_opts

list:
	@$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | ${awkbin} -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | ${sortbin} | ${grepbin} -E -v -e '^[^[:alnum:]]' -e '^$@$$'

deplist:
	@# deplist 2020-04-18 input must be comma separated
	@# DEPTYPE( dep , rec , sug ) for depends, recommends, or suggests
	@if test -z "${DISTRO}" ; then ${echobin} "Please run \`make deplist\` with DISTRO= one of: `make deplist_opts 2>&1 1>/dev/null | ${xargsbin}`. Aborted." 1>&2 ; exit 1 ; fi
	@if ! ${echobin} "${DEPTYPE}" | grep -qE "^(dep|rec|sug)$$" ; then ${echobin} "Please run \`make deplist\` with DEPTYPE= one of: dep, rec, sug. Undefined will use \`dep\`. Aborted." 1>&2 ; exit 1; fi
	@${grepbin} -h --exclude-dir='doc' -riIE "\<${DEPTYPE}-" ${SRCDIR} | ${awkbin} -v "domain=${DISTRO}" -v "deptype=${DEPTYPE}" 'tolower($$2) ~ deptype"-"domain {$$1="";$$2="";print}' | tr ',' '\n' | ${sortbin} | ${uniqbin} | ${sedbin} -r -e 's/^\s*//' -e "s/\s*\$$/${SEPARATOR}/" | ${xargsbin}

deplist_opts:
	@# deplist_opts 2020-04-18 find all available dependency domains
	@${grepbin} -h -o -riIE '\<(dep|rec|sug)-[^\ :]+:' ${SRCDIR} | ${sedbin} -r -e 's/(dep|rec|sug)-//;' -e 's/:$$//;' | ${sortbin} | ${uniqbin} 1>&2

install_files: 
	${installbin} -m0755 -d ${LOGDIR} ${APPDIR} ${APPDIR}/up ${DOCDIR} ${DEFAULTDIR}
	${installbin} -m0644 -t ${APPDIR} ${SRCDIR}/front.html.in
	${installbin} -m0644 ${SRCDIR}/config/${APPNAME}.conf.example ${APPDIR}/${APPNAME}.conf
	${installbin} -m0755 -t ${APPDIR} ${SRCDIR}/${APPNAME}.py ${SRCDIR}/${APPNAME}.wsgi
	${installbin} -m0644 -t ${DOCDIR} ${SRCDIR}/README*
	${installbin} -m0644 ${SRCDIR}/config/${APPNAME}.etc.default ${DEFAULTDIR}/${APPNAME}
ifeq ($(with_apache),YES)
	${installbin} -m0755 -d ${APACHEDIR}
	${installbin} -m0644 ${SRCDIR}/config/${APPNAME}.conf.apache ${APACHEDIR}/${APPNAME}.conf
endif
ifeq ($(with_nsfw),YES)
	${installbin} -m0755 -t ${APPDIR} ${SRCDIR}/nsfw_detect.py
	${installbin} -m0755 -d ${APPDIR}/nsfw_model
	${installbin} -m0644 -t ${APPDIR}/nsfw_model ${SRCDIR}/nsfw_model/*
endif
ifeq ($(with_init),YES)
	${installbin} -m0755 -d ${SYSVDIR}
	${installbin} -m0755 ${SRCDIR}/config/${APPNAME}.init ${SYSVDIR}/${APPNAME}
endif
ifeq ($(with_systemd),YES)
	${installbin} -m0755 -d ${SYSDDIR}
	${installbin} -m0644 ${SRCDIR}/config/0x0.service -t ${SYSDDIR}
endif

uninstall:
	@${echobin} SRCDIR=${SRCDIR}
	${rmbin} -f ${APPDIR}/${APPNAME}.conf ${APPDIR}/${APPNAME}.py ${APPDIR}/${APPNAME}.wsgi \
		${APPDIR}/front.html.in ${DOCDIR}/* ${DEFAULTDIR}/${APPNAME} || :
	${rmbin} -f ${APACHEDIR}/${APPNAME}.conf || :
	${rmbin} -f ${APPDIR}/nsfw_model/* ${APPDIR}/nsfw_detect.py || :
	${rmbin} -f ${SYSVDIR}/${APPNAME} || :
	${rmbin} -f ${SYSDDIR}/0x0.service || :

	# remove all installed directories that are now blank.
	${rmdirbin} ${APPDIR}/up ${DEFAULTDIR} ${SYSVDIR} ${APPDIR} \
		${APACHEDIR} ${SYSDDIR} ${DOCDIR} ${LOGDIR} 2>/dev/null || :

clean:
	@${echobin} "target $@ not implemented yet! Gotta say unh." && ${falsebin}