#!/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

final_path=$(ynh_app_setting_get --app=$app --key=final_path)
port=$(ynh_app_setting_get --app=$app --key=port)
export=$(ynh_app_setting_get --app=$app --key=export)
language=$(ynh_app_setting_get --app=$app --key=language)
mypads=$(ynh_app_setting_get --app=$app --key=mypads)
useldap=$(ynh_app_setting_get --app=$app --key=useldap)

#=================================================
# SORT OUT THE CONFIG FILE TO HANDLE
#=================================================

file="$1"

if [ "$file" = "settings.json" ]; then
	config_file="$final_path/settings.json"
fi

#=================================================
# SPECIFIC ACTION
#=================================================
# RESET THE CONFIG FILE
#=================================================
ynh_script_progression --message="Resetting the config file $config_file..." --weight=3

# Verify the checksum and backup the file if it's different
ynh_backup_if_checksum_is_different --file="$config_file"

if [ "$file" = "settings.json" ]
then
	# Get the default file and overwrite the current config
	cp /etc/yunohost/apps/$app/conf/settings.json "$config_file"

	# Recreate the default config
	ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$final_path/settings.json"
	if [ "$export" = "abiword" ]
	then
		# Get abiword binary path
		abiword_path=`which abiword`
		# Set the path of abiword into etherpad config
		ynh_replace_string --match_string="\"abiword\" : null" --replace_string="\"abiword\" : \"$abiword_path\"" --target_file="$final_path/settings.json"
	elif [ "$export" = "libreoffice" ]
	then
		# Get soffice binary path
		soffice_path=`which soffice`
		# Set the path of soffice into etherpad config
		ynh_replace_string --match_string="\"soffice\" : null" --replace_string="\"soffice\" : \"$soffice_path\"" --target_file="$final_path/settings.json"
	fi
	ynh_replace_string --match_string="__LANGUAGE__" --replace_string="$language" --target_file="$final_path/settings.json"

	# Use ldap for mypads
	if [ $mypads -eq 1 ] && [ $useldap -eq 1 ]
	then
		ynh_replace_string --match_string="//noldap\(.*\)" --replace_string="\1 //useldap" --target_file="$final_path/settings.json"
	fi
fi

# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum --file="$config_file"

#=================================================
# CHECK ETHERPAD STARTING
#=================================================
ynh_script_progression --message="Restarting Etherpad..." --weight=9

# Wait for etherpad to be fully started
ynh_systemd_action --action=restart --line_match="You can access your Etherpad instance at" --log_path="/var/log/$app/etherpad.log" --timeout="120"

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

ynh_script_progression --message="Upgrade of $app completed" --last