#!/bin/bash

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

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

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

app=$YNH_APP_INSTANCE_NAME

#=================================================
# 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
	action1=removed
	action2=Removing
else
	# LibreOffice isn't a dependence of Etherpad MyPads.
	# LibreOffice should be installed.
	libreoffice=1
	action1=installed
	action2=Installing
fi

ynh_print_info --message="LibreOffice will be $action1."

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
#=================================================

ynh_script_progression --message="$action2 LibreOffice..." --weight=3

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_exec_warn_less 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

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Execution completed" --last