# To build dictionary you need to install:
#
#    $ sudo apt-get install dictfmt
#
# Available target:
#
#   all         build dictionaries
#   install     install dictionaries, so they been available in stardict, may require root permission
#   uninstall   remove dictionaries, they been unavailable in stardict, may require root permission
#
# You can override such variables in Makefile.config:
#
#   SF_USER     SourceForge user name.
#   prefix      Prefix to install path.

################################################################
# Standard GNU Makefile settings.

SHELL = /bin/bash
export PATH := /bin:/usr/bin:${PATH}

# Disable built in pattern rules.
MAKEFLAGS += -r
# Disable built in variables.
MAKEFLAGS += -R
# Disable built in suffix rules.
.SUFFIXES:
# Delete target file if command fails.
.DELETE_ON_ERROR:
# Default target.
.DEFAULT_GOAL = help

################################################################
# Build script definitions.

BUILD_SCRIPTS := $(firstword $(MAKEFILE_LIST))

ifneq '' '$(wildcard Makefile.config)'
  include Makefile.config
  BUILD_SCRIPTS += Makefile.config
endif

################################################################
# Version extracting/generation.

VER_FILE := dist/misc/VERSION

# Prevent making distribution with wrong version.
ifneq '' '$(filter deploy% dist%,$(MAKECMDGOALS))'
  ifeq '' '$(MAKE_RESTARTS)'
    $(shell rm -f $(VER_FILE))
  endif
endif

# Here are vmajor and vminor. Look README section "Versioning rules."
-include $(VER_FILE)

$(VER_FILE): | $(dir $(VER_FILE))
	\
vtagdist=$$(hg log -r . --template '{latesttagdistance}'); \
vatrelease=$$([ $$vtagdist -le 1 ] && echo yes || echo no); \
vtag=$$(hg log -r . --template '{latesttag}'); \
vmajor=$${vtag#v}; \
vmajor=$${vmajor%%.*}; \
vminor=$${vtag#*.}; \
vrev=$$(hg id -i); \
visclean=$$(case $$vrev in *+) echo no;; *) echo yes;; esac); \
vrev=$${vrev%+}; \
{ \
echo "vrev=$$vrev"; \
echo "vtag=$$vtag"; \
echo "vtagdist=$$vtagdist"; \
echo "visclean=$$visclean"; \
echo "vatrelease=$$vatrelease"; \
echo "vmajor=$$vmajor"; \
echo "vminor=$$vminor"; \
} >$@

################################################################
# Determine platform/environment.

host_os = unix
ifneq '' '$(COMSPEC)'
  ifneq '' '$(WINDIR)'
    # Probably under Windows.
    host_os = windows
    ifneq '' '$(wildcard /etc/setup/*cygwin*)'
      # Probably under Cygwin.
      host_os = cygwin
    endif
  endif
endif

################################################################
# Build tools definition/switches.

INSTALL = install
INSTALL_PROGRAM = $(INSTALL)
INSTALL_DATA = $(INSTALL) -m 644

RST_WARNING_FLAGS := --halt warning
RST_FLAGS := --strip-comments
RST_FLAGS += $(RST_WARNING_FLAGS)

RST2HTML := rst2html
ifeq '$(host_os)' 'cygwin'
  RST2HTML := rst2html.py
endif
RST2HTML_RENDER_FLAGS := --strip-comments --embed-stylesheet --no-xml-declaration --math-output=HTML --initial-header-level=2
RST2HTML_FLAGS := $(RST_FLAGS) $(RST2HTML_RENDER_FLAGS)

LATEX2PDF := pdflatex

################################################################
# Install paths.

ifeq '$(origin prefix)' 'undefined'
  ifeq '$(shell id -u)' '0'
    prefix = /usr/local
  else
    prefix = $(HOME)/usr
  endif
endif
datarootdir := $(prefix)/share
datadir = $(datarootdir)/dictd

################################################################
# Project dirs/files.

pkgname = gadict
fullpkgname = $(pkgname)-$(vmajor).$(vminor)

# GADICT_FILES := $(wildcard *.gadict)
GADICT_FILES := gadict_en-ru+ua.gadict

C5_FILES := $(patsubst %.gadict,dist/dictd/%.c5,$(GADICT_FILES))
DICT_FILES := $(C5_FILES:.c5=.dict)
DICTDZ_FILES := $(C5_FILES:.c5=.dict.dz)
INDEX_FILES := $(C5_FILES:.c5=.index)

RST_TMPL_FILE = dist/misc/rst.tmpl
RST_CSS_FILE = www/tmpl/rst.css

RST_GEN_FILES := STAT.rst
RST_COMMON_FILES := header.rst
RST_FILES := $(wildcard www/*.rst)
RST_HTML_FILES := $(patsubst www/%.rst,dist/www/%.html,$(RST_FILES))

INDEX_HTML_FILE := dist/www/index.html

STAT_RST_FILE := dist/misc/STAT.rst
STAT_HTML_FILE := dist/www/STAT.html

HTML_FILES := $(RST_HTML_FILES) $(INDEX_HTML_FILE) $(STAT_HTML_FILE)

LOGO_NAME := logo
LOGO_SVG := $(LOGO_NAME).svg
LOGO_DIM := 32x32 48x48 64x64
LOGO_PNG_FILES := $(patsubst %,$(LOGO_NAME)-%.png,$(LOGO_DIM))

DIST_DIR = $(fullpkgname)
DISTSRC_DIR = $(fullpkgname)_src

DIST_FILES = $(DICTDZ_FILES) $(INDEX_FILES) $(RST_HTML_FILES) $(RST_FILES)

DISTSRC_HELPER_FILES = Makefile rst.css .dir-locals.el
DISTSRC_FILES = $(C5_FILES) $(RST_FILES) $(DISTSRC_HELPER_FILES)

DIST_TARBALLS = $(DIST_DIR).tar.gz $(DIST_DIR).tar.bz2
DISTSRC_TARBALLS = $(DISTSRC_DIR).tar.gz $(DISTSRC_DIR).tar.bz2

################################################################
# Deploy/release targets.

.PHONY: deploy
deploy: deploy2defun deploy2sf

.PHONY: release
release: release2defun release2sf

.PHONY: release2defun
release2defun: validate-release deploy2defun

.PHONY: release2sf
release2defun: validate-release deploy2sf


DEFUN_USER ?= user
DEFUN_HG_SRV ?= hg.defun.work
DEFUN_HG_DIR ?= /srv/hg/gadict
DEFUN_WWW_SRV ?= defun.work
DEFUN_WWW_DIR ?= /srv/www/gadict

.PHONY: deploy2defun
deploy2defun: deploy2defun-src deploy2defun-www

.PHONY: deploy2defun-src
deploy2defun-src:
	hg push ssh://$(DEFUN_USER)@$(DEFUN_HG_SRV)/$(DEFUN_HG_DIR) || [ $$? = 1 ]

.PHONY: deploy2defun-www
deploy2defun-www: $(HTML_FILES)
	( \
echo 'cd $(DEFUN_WWW_DIR)'; \
for f in $(HTML_FILES); do \
  n=$${f##*/}; \
  echo "put $$f $$n"; \
  echo "chmod 644 $$n"; \
done; \
echo 'quit'; \
) | sftp -b - $(DEFUN_USER)@$(DEFUN_WWW_SRV)


SF_USER ?= gavenkoa

# First time you deploy to SourceForge (sf) you need manually login to:
#   $ sftp $(SF_USER),$(pkgname)@web.sourceforge.net
# as it may require interactive input for accepting server public key.
# Next time any action fully automated.

.PHONY: deploy2sf
deploy2sf: deploy2sf-src deploy2sf-www deploy2sf-voa

.PHONY: deploy2sf-src
deploy2sf-src:
	hg push ssh://$(SF_USER)@hg.code.sf.net/p/$(pkgname)/code || [ $$? = 1 ]

# Will be accessed via http://$(pkgname).sourceforge.net
.PHONY: deploy2sf-www
deploy2sf-www: $(HTML_FILES)
	( echo 'cd htdocs'; \
for f in $(HTML_FILES); do \
  n=$${f##*/}; \
  echo "put $$f $$n"; \
  echo "chmod 644 $$n"; \
done; \
echo 'quit'; \
) | sftp -b - $(SF_USER),$(pkgname)@web.sourceforge.net

.PHONY: deploy2sf-voa
deploy2sf-voa: voa
	( echo 'cd htdocs'; \
  echo "put voa-special.pdf"; \
  echo "chmod 644 voa-special.pdf"; \
echo 'quit'; \
) | sftp -b - $(SF_USER),$(pkgname)@web.sourceforge.net

.PHONY: release2sf
deploy2sf-release: validate-release $(DIST_TARBALLS) $(DISTSRC_TARBALLS)
	exit 1
	: TODO broken due to new project hierarchy
	( echo 'cd /home/frs/project/$(shell v=$(pkgname); echo $${v:0:1}/$${v:0:2})/$(pkgname)'; \
echo "put  README.rst"; \
echo "chmod 644 README.rst"; \
echo "mkdir v$(vmajor).$(vminor)"; \
echo "cd v$(vmajor).$(vminor)"; \
for f in $(DIST_TARBALLS) $(DISTSRC_TARBALLS); do \
	echo "put $$f"; \
	echo "chmod 644 $$f"; \
done; \
echo 'quit'; \
) | sftp -b - $(SF_USER),$(pkgname)@frs.sourceforge.net

.PHONY: validate-release
validate-release:
	\
case ${visclean} in \
  no) echo "Local changes found. Build stop."; \
    exit 1;; \
esac
	\
case $(vatrelease) in \
  no) echo "We are not at release. Build stop."; \
    exit 1;; \
esac

################################################################
# Dist targets.

.PHONY: dist
dist: dist-dictd dist-src

.PHONY: dist-dictd
dist-dictd: $(DIST_TARBALLS)

.PHONY: dist-src
dist-src: $(DISTSRC_TARBALLS)

%.tar.gz: %
	tar zcf $*.tar.gz $*

%.tar.bz2: %
	tar jcf $*.tar.bz2 $*

$(DIST_DIR): $(DIST_FILES)
	rm -rf $@
	mkdir $@
	cp $(DIST_FILES) $@

$(DISTSRC_DIR): $(DISTSRC_FILES)
	rm -rf $@
	mkdir $@
	cp $(DISTSRC_FILES) $@

################################################################
# Build targets.

.PHONY: all
all: dict

.PHONY: dict
dict: $(DICTDZ_FILES) $(INDEX_FILES)

#  --case-sensitive
#	-u "`sed -n '\|http://[[:print:]]\+/|{s=^.*\(http://\)=\1=;p;q;}' $<`"
#	-s "`sed -n '/^ABOUT: /{s=ABOUT: ==;p;q;}' $<`"
dist/dictd/%.dict dist/dictd/%.index: dist/dictd/%.c5
	(cd dist/dictd; dictfmt  -c5 --headword-separator '; ' --break-headwords --utf8 --allchars $*)  < $<

dist/dictd/%.dict.dz: dist/dictd/%.dict
	dictzip -c $< >$@

dist/dictd/%.c5: %.gadict | dist/dictd
	python3 gadict.py $< $@

dist/dictd:
	mkdir -p $@

################################################################
# Install/uninstall targets.

.PHONY: install
install: $(DICTDZ_FILES) $(INDEX_FILES)
	mkdir -p $(datadir)
	for f in $(DICTDZ_FILES) $(INDEX_FILES); do \
		$(INSTALL_DATA) $$f $(datadir); \
	done

OLD_DICT_FILES := gadict-abbr.dict-c5 gadict-adjective-en-ru.dict-c5 \
gadict-adverb-en-ru.dict-c5 gadict-conjunction-en-ru.dict-c5            \
gadict-en-ru.dict-c5 gadict-irregular-verbs-en-ru.dict-c5               \
gadict-numeral-en-ru.dict-c5 gadict-phrasal-verbs-en-ru.dict-c5         \
gadict-preposition-en-ru.dict-c5 gadict-pronoun-en-ru.dict-c5           \
gadict-regular-verbs-en-ru.dict-c5

OLD_DICTDZ_FILES := $(OLD_DICT_FILES:.dict-c5=.dict.dz)
OLD_INDEX_FILES := $(OLD_DICT_FILES:.dict-c5=.index)

.PHONY: uninstall
uninstall:
	for f in $(DICTDZ_FILES) $(INDEX_FILES); do \
		rm -f $(datadir)/$$f; \
	done
	for f in $(OLD_DICTDZ_FILES) $(OLD_INDEX_FILES); do \
		rm -f $(datadir)/$$f; \
	done

################################################################
# Documentation targets.

.PHONY: docs
docs: html

.PHONY: html
html: $(RST_HTML_FILES)

$(INDEX_HTML_FILE): dist/www/README.html
	cp $< $@

$(RST_HTML_FILES): dist/www/%.html: www/%.rst $(RST_CSS_FILE) $(RST_TMPL_FILE) $(BUILD_SCRIPTS) | dist/www
	$(RST2HTML) $(RST2HTML_FLAGS) --stylesheet=$(RST_CSS_FILE) --template=$(RST_TMPL_FILE)  www/$*.rst  $@

dist/www:
	mkdir -p $@

$(RST_TMPL_FILE): www/tmpl/rst.tmpl.in $(BUILD_SCRIPTS) | $(dir $(RST_TMPL_FILE))
	\
[[ ${visclean} = no ]] && warn1='<b>Warning</b>: Build done with local changes!' || :; \
[[ ${vatrelease} = no ]] && warn2='<b>Warning</b>: Build is far from latest <tt>$(vtag)</tt> release state by $(vtagdist) changes.' || :; \
sed -e "s|{date}|$$(date +%F)|" -e "s|{rev}|$$(hg id -i)|" -e "s|{warn1}|$$warn1|" -e "s|{warn2}|$$warn2|" <$< >$@

################################################################
# Article statistics.

.PHONY: stat
stat: $(STAT_HTML_FILE)

$(STAT_HTML_FILE): $(STAT_RST_FILE) $(RST_CSS_FILE) $(RST_TMPL_FILE) | dist/www
	$(RST2HTML) $(RST2HTML_FLAGS) --stylesheet=$(RST_CSS_FILE) --template=$(RST_TMPL_FILE)  $<  $@

$(STAT_RST_FILE): $(GADICT_FILES) $(BUILD_SCRIPTS)
	{ \
echo '==========================='; \
echo ' gadict project statistics'; \
echo '==========================='; \
echo '.. contents::'; \
echo '   :local:'; \
echo; \
echo '======================================== ====='; \
echo '             Dictionary                  Count'; \
echo '======================================== ====='; \
total=0; \
for dic in $(GADICT_FILES); do \
  cnt=`grep '^__' $$dic | wc -l`; \
  printf '%40s %5s\n' $${dic%.dict-c5} $$cnt; \
  total=$$(($$total + $$cnt)); \
done; \
printf '%40s %5s\n' '**Total**' $$total; \
echo '======================================== ====='; \
} >$@

################################################################
# Misc targets.

.PHONY: logo
logo: logo-png

.PHONY: logo-png
logo-png: $(LOGO_PNG_FILES)

# Require:
#   $ sudo apt-get install imagemagick librsvg2-bin
$(LOGO_PNG_FILES): $(LOGO_NAME)-%.png: $(LOGO_SVG)
	convert +antialias -background transparent $< -resize $* $@

.PHONY: voa
voa: voa-special.pdf

voa-special.pdf: contrib/voa-special.tex
	$(LATEX2PDF) -output-directory . $<

################################################################
# Helpers targets.

.PHONY: help
help:
	@\
echo; \
echo Current configuration:; \
echo; \
sed 's=^=  =' <VERSION
	@if [ -f Makefile.config ]; then \
		echo; \
		echo User configuration:; \
		echo; \
		sed 's=^=  =' <Makefile.config; \
	fi
	@\
echo; \
echo Supported targets:; \
echo; \
sed -n -e '/^[[:alnum:]_-]*:/{s=^\(.*\):.*=  \1=;p;}' $(BUILD_SCRIPTS)

.PHONY: todo
todo:
	grep -nH 'TODO\|XXX' $(RST_FILES) $(C5_FILES)

.PHONY: logo-png
logo-png: logo-64x64.png

# Require:
#   $ sudo apt-get install imagemagick librsvg2-bin
%.png: %.svg
	convert +antialias -background transparent $< $@

################################################################
# Clean targets.

.PHONY: distclean
distclean: clean

.PHONY: clean
clean:
	rm -rf dist/