#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

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

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================

ssh_regex='^ssh://([^@]*)@([^:/]*)(:[0-9]+)?/(.*)$'
if [[ "$repository" =~ $ssh_regex ]]; then
    ssh_user="${BASH_REMATCH[1]}"
    server="${BASH_REMATCH[2]}"
    port="${BASH_REMATCH[3]}"
    if [[ -n "$port" ]]; then
        server="[$server]$port"
    fi
else
    ssh_user=""
    server=""
fi

ynh_app_setting_set --app=$app --key=ssh_user --value="$ssh_user"
ynh_app_setting_set --app=$app --key=server --value="$server"

state="repository uncreated"
ynh_app_setting_set --app=$app --key=state --value="$state"
last_run="-"
ynh_app_setting_set --app=$app --key=last_run --value="$last_run"

# passwords aren't saved by default
ynh_app_setting_set --app=$app --key=passphrase --value="$passphrase"

#=================================================
# INSTALL BORG
#=================================================
ynh_script_progression --message="Installing Borg..."

install_borg_with_pip

_gen_and_save_public_key

mkdir -p "/var/log/$app"
chown -R $app:$app "/var/log/$app"
chmod u+w "/var/log/$app"

#=================================================
# SPECIFIC SETUP
#=================================================
# SETUP THE BACKUP METHOD
#=================================================
ynh_script_progression --message="Setting up backup method..." --weight=1

mkdir -p /etc/yunohost/hooks.d/backup
mkdir -p /etc/yunohost/hooks.d/backup_method
mkdir -p /usr/share/yunohost/backup_method

ynh_add_config --template="backup_method" --destination="/etc/yunohost/hooks.d/backup_method/05-${app}_app"
chmod go=--- "/etc/yunohost/hooks.d/backup_method/05-${app}_app"

ynh_add_config --template="backup-with-borg" --destination="$install_dir/backup-with-borg"
chmod u+x "$install_dir/backup-with-borg"
chown "$app:$app" "$install_dir/backup-with-borg"

ynh_add_config --template="sudoer" --destination="/etc/sudoers.d/$app"
chown root:root "/etc/sudoers.d/$app"

ynh_add_config --template="logging.conf" --destination="$install_dir/logging.conf"
chown "$app:$app" "$install_dir/logging.conf"

#=================================================
# SYSTEM CONFIGURATION
#=================================================
ynh_script_progression --message="Adding system configurations related to $app..." --weight=1

# Create a dedicated systemd config
ynh_add_systemd_config
yunohost service add $app --description="Deduplicating backup program" --test_status="systemctl show $app.service  -p ActiveState --value | grep -v failed" --log "/var/log/$app/borg.log"
# Disable the service, this is to prevent the service from being triggered at boot time
systemctl disable $app.service --quiet

# Configure the systemd timer
ynh_add_config --template="systemd.timer" --destination="/etc/systemd/system/$app.timer"
systemctl enable $app.timer --quiet
systemctl start $app.timer

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

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