#!/bin/bash

#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source scripts/_common.sh
source /usr/share/yunohost/helpers

#=================================================
# RETRIEVE ARGUMENTS
#=================================================

app=${YNH_APP_INSTANCE_NAME:-$YNH_APP_ID}

#=================================================
# CHECK IF ARGUMENTS ARE CORRECT
#=================================================

#=================================================
# CHECK IF AN ACTION HAS TO BE DONE
#=================================================

# Check the dependencies of the meta packages of etherpad_mypads with apt-cache
if apt-cache depends ${app//_/-}-ynh-deps | grep --quiet libreoffice-writer
then
	# libreoffice is already a dependence of etherpad_mypads.
	# libreoffice should be removed.
	libreoffice=0
	ynh_print_info "Libreoffice writer will be removed." >&2
else
	# libreoffice isn't a dependence of etherpad_mypads.
	# libreoffice should be installed.
	ynh_print_info "Libreoffice writer will be installed." >&2
	libreoffice=1
fi

if apt-cache depends ${app//_/-}-ynh-deps | grep --quiet abiword
then
	# abiword is already a dependence of etherpad_mypads.
	# Keep it
	abiword=1
else
	# abiword isn't a dependence of etherpad_mypads.
	# Do not add it
	abiword=0
fi

#=================================================
# SPECIFIC ACTION
#=================================================
# INSTALL OR REMOVE LIBREOFFICE
#=================================================

# Load common variables, and especially libreoffice dependencies.
source scripts/_variables

dependencies=""
if [ $libreoffice -eq 1 ]
then
	# Add libreoffice dependencies if libreoffice has to be installed
	dependencies="$dependencies $libreoffice_app_dependencies"
fi
if [ $abiword -eq 1 ]
then
	# Add abiword dependencies if abiword is already installed to keep it as a dependence.
	dependencies="$dependencies $abiword_app_depencencies"
fi

# Rebuild the meta package and install the new dependencies
( cd scripts	# Move to scripts directory to allow the helper to find the manifest where it expects to find it.
ynh_install_app_dependencies $dependencies)

# Remove all unused dependencies
ynh_package_autopurge

#=================================================
# SET THE DEFAULT EXPORT APP
#=================================================

if [ $libreoffice -eq 1 ]
then
	# Set libreoffice as default export app
	yunohost app config apply $app -a "YNH_CONFIG_MAIN_EXPORT_EXPORT=libreoffice"
elif [ $abiword -eq 1 ]
then
	# Set abiword as default export app
	yunohost app config apply $app -a "YNH_CONFIG_MAIN_EXPORT_EXPORT=abiword"
else
	# Remove any export app
	yunohost app config apply $app -a "YNH_CONFIG_MAIN_EXPORT_EXPORT=none"
fi