#!/bin/bash
#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

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

ynh_abort_if_errors

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

final_path=$(ynh_app_setting_get $app final_path)
node_id=$(ynh_app_setting_get $app node_id)
virtualisation=$(ynh_app_setting_get $app virtualisation)
datadir=$(ynh_app_setting_get $app datadir)
nbd_index=$(ynh_app_setting_get $app nbd_index)
command="$final_path/garage -c $final_path/garage.toml"

get__weight() {
    ynh_app_setting_get --app=$app --key=weight
}

set__weight() {
    if [ "$virtualisation" = "true" ] 
    then
        systemctl stop $YNH_APP_INSTANCE_NAME
        old_weight="$ynh_app_setting_get --app=$app --key=weight"
        if [ $old_weight -le $weight }
        then
            $final_path/umount_disk.sh $nbd_index
            qemu-img resize $datadir/$datadir/garage_data.qcow2 $weightG
            qemu-nbd --connect /dev/nbd$nbd_index $datadir/garage.qcow2
            e2fsck -f /dev/nbd$nbd_index
            resize2fs /dev/nbd$nbd_index
            mount /dev/nbd$nbd_index $datadir/data/
        else
            umount /dev/nbd$nbd_index
            e2fsck -f /dev/nbd$nbd_index
            resize2fs /dev/nbd$nbd_index $weightG
            qemu-nbd --disconnect /dev/nbd$nbd_index
            qemu-img resize $datadir/$datadir/garage_data.qcow2 $weightG
            $nbd_index=$(final_path/mount_disk.sh false)
            ynh_app_setting_set --app=$app --key=nbd_index --value=$nbd_index
        fi
        systemctl start $YNH_APP_INSTANCE_NAME
    fi
    $command layout assign $node_id -c $weight 2>/dev/null
    apply_layout "$command"
    ynh_app_setting_set --app=$app --key=weight --value=$weight
}


get__bootstrap_peers() {
    ynh_app_setting_get --app=$app --key=bootstrap_peers
}

set__bootstrap_peers() {
    garage_connect "$command" "$bootstrap_peers" 2>/dev/null
    apply_layout "$command"
    ynh_app_setting_set --app=$app --key=bootstrap_peers --value=$bootstrap_peers
}

#=================================================
# GENERIC FINALIZATION
#=================================================
ynh_app_config_run $1