#!/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}
final_path=$(ynh_app_setting_get $app final_path)
encrypt=$(ynh_app_setting_get $app encrypt)
core_backup=$(ynh_app_setting_get $app core_backup)
apps_backup=$(ynh_app_setting_get $app apps_backup)

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

file="$1"

if [ "$file" = "Backup_list.conf" ]; then
	config_file="$final_path/Backup_list.conf"
fi

#=================================================
# SPECIFIC ACTION
#=================================================
# RESET THE CONFIG FILE
#=================================================

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

if [ "$file" = "Backup_list.conf" ]
then
	# Get the default file and overwrite the current config
	cp "$final_path/Backup_list.conf.default" "$config_file"

	# Recreate the default config
	backup_dir="/home/yunohost.app/${app}/backup"
	enc_backup_dir="/home/yunohost.app/${app}/encrypted_backup"
	ynh_replace_string "^backup_dir=.*" "backup_dir=$backup_dir" "$config_file"
	ynh_replace_string "^enc_backup_dir=.*" "enc_backup_dir=$enc_backup_dir" "$config_file"

	if [ $encrypt -eq 1 ]
	then
		encrypt=true
		passkey="$final_path/passkey"
	else
		encrypt=false
		passkey=na
	fi
	ynh_replace_string "^encrypt=.*" "encrypt=$encrypt" "$config_file"
	ynh_replace_string "^cryptpass=.*" "cryptpass=$passkey" "$config_file"

	if [ $core_backup -eq 1 ]
	then
		core_backup=true
	else
		core_backup=false
	fi
	ynh_replace_string "^ynh_core_backup=.*" "ynh_core_backup=$core_backup" "$config_file"

	if [ $apps_backup -eq 1 ]
	then
		# Add all current applications to the backup
		while read backup_app
		do
			ynh_replace_string "^ynh_app_backup=$" "ynh_app_backup=$backup_app\n&" "$config_file"
		done <<< "$(yunohost app list -i | grep id: | sed 's/.*id: //')"
	fi
fi

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