# Copyright 2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header$

EAPI="2"

inherit eutils # for enewgroup
DESCRIPTION="Web-based collaborative word processor based on Node.js (instead of Scala for etherpad-1.1)"
HOMEPAGE="http://etherpad.org/"
SRC_URI="https://github.com/ether/etherpad-lite/archive/release/releases-${PV}.zip -> ${P}.zip"
RESTRICT="mirror" # otherwise, won't pass manifest or download anything

LICENSE="Apache-2.0"
SLOT="0"
KEYWORDS="~amd64 ~x86"
# IUSE="mysql sqlite postgres abiword"
IUSE="mysql sqlite"

# find /usr/portage -name gzip -o -name git -o -name curl -o -name libssl -o -name python
RDEPEND="dev-lang/python
    app-arch/gzip
	>=net-libs/nodejs-0.8
	dev-libs/openssl 
	mysql? ( dev-db/mysql )
	sqlite? ( dev-db/sqlite )"
	# some of the above line could go below, I don't know.
# RDEPEND should also include:
# >=dev-nodejs/async-stacktrace-0.0.2
# >=dev-nodejs/semver-1.0.13
# >=dev-nodejs/tinycon-0.0.1
# >=dev-nodejs/async-0.1.22
# >=dev-nodejs/resolve-0.2.3
# >=dev-nodejs/ejs-0.6.1
# >=dev-nodejs/require-kernel-1.0.5
# >=dev-nodejs/languages4translatewiki-0.1.3
# >=dev-nodejs/unorm-1.0.0
# >=dev-nodejs/formidable-1.0.9
# >=dev-nodejs/slide-1.1.3
# >=dev-nodejs/request-2.9.100
# >=dev-nodejs/underscore-1.3.1
# >=dev-nodejs/yajsml-1.1.6
# >=dev-nodejs/wd-0.0.26
# >=dev-nodejs/graceful-fs-1.1.5
# >=dev-nodejs/uglify-js-1.2.5
# >=dev-nodejs/clean-css-0.3.2
# >=dev-nodejs/log4js-0.5.6
# >=dev-nodejs/npm-registry-client-0.2.10
# >=dev-nodejs/connect-2.4.6
# >=dev-nodejs/jshint-0.9.1
# >=dev-nodejs/express-3.0.6
# >=dev-nodejs/ueberDB-0.1.8
# >=dev-nodejs/npm-1.1.71
# >=dev-nodejs/jsdom-nocontextifiy-0.2.10
# >=dev-nodejs/socket.io-0.9.13
# mysql? ( >=dev-nodejs/sqlite3 >=dev-nodejs/mysql )
# sqlite? ( >=dev-nodejs/sqlite3 )
# but I have not time to create these ebuilds, with further dependencies ... the
# package manager npm will be used instead.


DEPEND="${RDEPEND}
    net-misc/curl
    dev-vcs/git"

JAVA_GENTOO_CLASSPATH="commons-beanutils-1.7 commons-lang-2.1 commons-logging"

pkg_setup() {
	enewgroup etherpad 60 || die "problem adding 'etherpad' group"
	enewuser etherpad 60 -1 /home/etherpad etherpad || die "problem adding 'etherpad' user"
	# because etherpad installer bin/installDeps.sh uses his home
	mv /home/etherpad /home/etherpad.moved ; ln -s `pwd`/work /home/etherpad
	# avec /dev/null au lieu de /home/etherpad, on a l'erreur Error: ENOTDIR, mkdir '/dev/null/.npm'
}

src_compile() {
	einfo This ebuild file does not support USE=sqlite, although etherpad-lite does.
	einfo This ebuild file does not support USE=postgres, although etherpad-lite does.
	einfo This ebuild file does not support USE=abiword,\
		although etherpad-lite supports app-office/abiword export backend, check \
		line '"abiword"' of settings.json.template
    mv etherpad-lite-release-releases-${PV}/* .
	emake
}

src_install() {
	cp settings.json.template settings.json
	if use mysql; then
		if [ -z "${MYSQL_USER_PASSWORD}" ]; then
			eerror 'Please provide a password for the *mysql* user etherpad in the MYSQL_USER_PASSWORD env var.'
			die "You can provide a fake password, but then please update /usr/share/etherpad-lite/settings.json afterwards."
		fi
	    {
			cat << \EOF
/"dbType" : "dirty",/s:^:/*:
/ An Example of MySQL Configuration/s:/\*::
s:$:*/:
/"user"    : "root",/s:"root":"etherpad":
EOF
			echo '/"password": "",/s:"":"'"$MYSQL_USER_PASSWORD"'":'
			cat << \EOF
/"database": "store"/s:"store":"etherpadlite":
/^ *}, *$/s:$:/*:
w
h
q
EOF
		} | ed settings.json
		ewarn 'Run cd /usr ; bin/mysql_install_db ; bin/mysql_secure_installation ; if mysql is not initialized'
		ewarn 'Run mysql -u root -p << EOF'
		ewarn 'CREATE DATABASE etherpadlite;'
		ewarn "CREATE USER 'etherpad' IDENTIFIED BY '"'$MYSQL_USER_PASSWORD'"' ;"
		ewarn 'GRANT ALL ON etherpadlite.* TO etherpad IDENTIFIED BY '"'"'$MYSQL_USER_PASSWORD'"' ;"
		ewarn 'ALTER DATABASE etherpadlite CHARACTER SET utf8 COLLATE utf8_bin;'
		#ewarn 'USE etherpadlite;'
		#ewarn 'ALTER TABLE store CONVERT TO CHARACTER SET utf8 COLLATE utf8_bin;'
		ewarn 'EOF'
		ewarn 'to create database if needed.'

	else
		ewarn Databse filename "`grep var/dirty.db settings.json`" '(JSON format)' not \
			suitable for' 'production, use 'USE=mysql' instead, \
			or patch ${P}.ebuild to add support for' 'postgres or sqlite
	fi
	einfo Restricting etherpad-lite to localhost.
	ed settings.json << \EOF
/"ip": "0.0.0.0",/s:0.0.0.0:127.0.0.1:
/"loglevel": "INFO",/s:"INFO":"WARN":
w
h
q
EOF
	# marking compabibility with node version 0.9
	ed bin/installDeps.sh << \EOF
/NODE_V_MINOR = "v0.8"/s:v0.8:v0.9:
w
h
q
EOF
	chown -R etherpad:etherpad .
	# this installs lastest dependencies :-(
   	env -i su etherpad -l -c bin/installDeps.sh -s /bin/bash
	# at time of writing, socket.io@0.9.13, jsdom-nocontextifiy@0.2.10,
	# npm@1.1.71, ueberDB@0.1.8, express@3.0.6, jshint@0.9.1, connect@2.4.6,
	# npm-registry-client@0.2.10, ... were intalled
	if use mysql; then
		# this installs lastest dependency of plugin :-(
	   	env -i su etherpad -l -c 'npm install sqlite3 mysql' -s /bin/bash
	fi
	chown -R root:root .
	# because etherpad installer uses his home
	ewarn type now cd /usr/share/etherpad-lite \; su etherpad -s /bin/bash 
	# information about startup
	ewarn node node_modules/ep_etherpad-lite/node/server.js
	ewarn then look at http://127.0.0.1:9001/
	#
	dodoc out/doc/*.html out/doc/*/*.html settings.json.template
	doconf settings.json
	dodir usr/share/doc/etherpad-lite/assets
	mv out/doc/asset/* ${D}/usr/share/doc/etherpad-lite/assets
	dodir usr/share/etherpad-lite
	# mv CHANGELOG.md doc Makefile README.md start.bat CONTRIBUTING.md LICENSE
	mv settings.json node_modules bin tools src ${D}/usr/share/etherpad-lite
	ln -s /home/etherpad/var ${D}/usr/share/etherpad-lite
	ln -s /home/etherpad/APIKEY.txt ${D}/usr/share/etherpad-lite
	# the lines below may not be necessary.
	ln -s /home/etherpad/.travis.yml ${D}/usr/share/etherpad-lite
	ln -s /home/etherpad/.gitignore ${D}/usr/share/etherpad-lite
}
# TODO: tests is a directory, use it ?

pkg_preinst() {
	rm /home/etherpad ; mv /home/etherpad.moved /home/etherpad
	mkdir /home/etherpad/var
	touch /home/etherpad/APIKEY.txt /home/etherpad/.travis.yml /home/etherpad/.gitignore
	chown etherpad:etherpad /home/etherpad/var /home/etherpad/APIKEY.txt
	chown etherpad:etherpad /home/etherpad/.travis.yml /home/etherpad/.gitignore
}
# ebuild tested with: cd /usr/local/portage/$USER/www-apps/etherpad-lite-bin/ ; cp /home/$USER/etherpad-lite-bin-1.2.4.ebuild . ; RESTRICT="strip mirror" ebuild etherpad-lite-bin-1.2.4.ebuild  manifest ;  USE=mysql PORTDIR_OVERLAY=/usr/local/portage/$USER MYSQL_USER_PASSWORD=$MYSQL_USER_PASSWORD emerge -v etherpad-lite-bin