#!/bin/bash

######## Actually we cant use common script in backup / restore script see this issue for more informations : https://dev.yunohost.org/issues/621
# # Import common cmd
# source ./_common.sh
#

######## We implement manually this fonctions 

seafile_version=6.0.7

## Adapt md5sum while you update app
x86_64sum="4ca3c1fc93e5b786eb5d3509f4a3b01a"
i386sum="743565be00189698318c8def0fbdaac0"
armsum="ee3ef5330a51498faf861594e0fe744a"

init_script() {
    # Exit on command errors and treat unset variables as an error
    set -eu

    # Source YunoHost helpers
    source /usr/share/yunohost/helpers

    # Retrieve arguments
    app=$YNH_APP_INSTANCE_NAME
}

set_configuration() {
    if [[ -e /var/www/$app ]]
    then
        final_path=/var/www/$app
        seafile_user=www-data
    elif [[ -e /opt/yunohost/$app ]]
    then
        final_path=/opt/yunohost/$app
        seafile_user=seafile
    else
        ynh_die "Error : can't find seafile path"
    fi
}

get_source() {
    if [[ $1 == 'arm' ]]
    then
        wget -q -O '/tmp/seafile_src.tar.gz' 'https://github.com/haiwen/seafile-rpi/releases/download/v'$2'/seafile-server_'$2'_stable_pi.tar.gz'
        md5sum=$armsum
    elif [[ $1 == 'x86-64' ]]
    then
        wget -q -O '/tmp/seafile_src.tar.gz' 'https://bintray.com/artifact/download/seafile-org/seafile/seafile-server_'$2'_x86-64.tar.gz'
        md5sum=$x86_64sum
    else
        wget -q -O '/tmp/seafile_src.tar.gz' 'https://bintray.com/artifact/download/seafile-org/seafile/seafile-server_'$2'_i386.tar.gz'
        md5sum=$i386sum
    fi

    if [[ ! -e '/tmp/seafile_src.tar.gz' ]] || [[ $(md5sum '/tmp/seafile_src.tar.gz' | cut -d' ' -f1) != $md5sum ]]
    then
        ynh_die "Error : can't get seafile source"
    fi
}

CHECK_VAR () {	# Vérifie que la variable n'est pas vide.
# $1 = Variable à vérifier
# $2 = Texte à afficher en cas d'erreur
	test -n "$1" || (echo "$2" >&2 && false)
}

CHECK_PATH () {	# Vérifie la présence du / en début de path. Et son absence à la fin.
	if [ "${path:0:1}" != "/" ]; then    # Si le premier caractère n'est pas un /
		path="/$path"    # Ajoute un / en début de path
	fi
	if [ "${path:${#path}-1}" == "/" ] && [ ${#path} -gt 1 ]; then    # Si le dernier caractère est un / et que ce n'est pas le seul caractère.
		path="${path:0:${#path}-1}"	# Supprime le dernier caractère
	fi
}

FIND_PORT () {	# Cherche un port libre.
# $1 = Numéro de port pour débuter la recherche.
	port=$1
	while ! sudo yunohost app checkport $port ; do
		port=$((port+1))
	done
	CHECK_VAR "$port" "port empty"
}

######## End of common fonctions

# Init script
init_script

# Retrieve arguments
final_path=/var/www/$app
seafile_user=www-data

# The parameter $1 is the backup directory location dedicated to the app
BACKUP_DIR=$1

# retrieve useful param
domain=$(ynh_app_setting_get ${app} domain)
db_pwd=$(ynh_app_setting_get ${app} mysqlpwd)
path=$(ynh_app_setting_get ${app} path)

# Correct path if it is not correct
CHECK_PATH

# Check domain/path availability
sudo yunohost app checkurl $domain$path -a ${app}  \
    || (echo "Path not available: $domain$path" && ynh_die "Error : path not available")
    
# Restore dependencies
sudo apt-get update
sudo apt-get install -qq python2.7 python-setuptools python-simplejson python-imaging python-mysqldb python-flup expect

# Restore app files
final_path=$final_path
sudo mkdir -p $final_path
sudo cp -a "${BACKUP_DIR}/www/." $final_path
sudo chown -R $seafile_user:$seafile_user $final_path

# Restore conf files
sudo cp -a "${BACKUP_DIR}/conf/${app}.conf" /etc/nginx/conf.d/$domain.d/${app}.conf
sudo cp -a "${BACKUP_DIR}/conf/${app}" /etc/logrotate.d/${app}
sudo cp -a "${BACKUP_DIR}/conf/seafile-server" /etc/init.d/seafile-server
sudo chmod +x /etc/init.d/seafile-server

# Restore data
seafile_data=/home/yunohost.app/seafile-data
sudo mkdir -p $seafile_data
sudo cp -a "${BACKUP_DIR}/data/." /home/yunohost.app/seafile-data/.
sudo chown -R $seafile_user:$seafile_user $seafile_data

# Restore mysql dump
dbuser=seafile
ynh_mysql_create_db ccnetdb "$dbuser" "$db_pwd"
ynh_mysql_create_db seafiledb "$dbuser" "$db_pwd"
ynh_mysql_create_db seahubdb "$dbuser" "$db_pwd"
sudo su -c "mysql -u ${app} -p$db_pwd ccnetdb < ${BACKUP_DIR}/ccnetdb.dmp"
sudo su -c "mysql -u ${app} -p$db_pwd seafiledb < ${BACKUP_DIR}/seafiledb.dmp"
sudo su -c "mysql -u ${app} -p$db_pwd seahubdb < ${BACKUP_DIR}/seahubdb.dmp"

# Restore sso persistent config
sudo python $final_path/add_sso_conf.py

# Add Seafile to YunoHost's monitored services
sudo yunohost service add seafile-server

# Reload/restart services
sudo update-rc.d seafile-server defaults
sudo service rsyslog restart
sudo yunohost app ssowatconf
sudo service nginx reload

# start seafile
sudo service seafile-server start