#!/bin/bash

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

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

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --weight=1

if [ -f "/etc/uwsgi/apps-available/$app.ini" ]; then
    ynh_systemd_action --service_name "uwsgi-app@$app.service" --action stop
    systemctl disable "uwsgi-app@$app.service" --quiet
    yunohost service remove "uwsgi-app@$app" || true

    ynh_secure_remove --file="/etc/uwsgi/apps-available/$app.ini"
    ynh_secure_remove --file="/etc/systemd/system/uwsgi-app@$app.service.d"
else
    ynh_systemd_action --service_name "$app.service" --action stop
fi

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=2

# Clean old uwsgi config
ynh_secure_remove /etc/uwsgi/apps-enabled/pgadmin.ini

# Migrate data path
if [ -d "/var/lib/pgadmin" ]; then
    if [ ! -d "$install_dir/data" ]; then
        mv -t "$data_dir" /var/lib/pgadmin/*
    fi
    ynh_secure_remove "/var/lib/pgadmin"
fi
if [ -d "$install_dir/data" ]; then
    if [ ! -d "$install_dir/data" ]; then
        mv -t "$data_dir" "$install_dir"/data/*
    fi
    ynh_secure_remove "$install_dir/data"
fi
if [ ! -e $data_dir/master_pwd ]; then
    ynh_string_random --length=60 > $data_dir/master_pwd
fi

#=================================================
# Postgresql superuser
#=================================================
ynh_script_progression --message="Configuring Postgresql superuser..." --weight=1

# Re-set the db_pwd just in case…
ynh_psql_execute_as_root --sql "ALTER USER $app WITH PASSWORD '$db_pwd' SUPERUSER CREATEDB CREATEROLE REPLICATION"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Upgrading source files..." --weight=6
install_source

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --weight=1

# CONFIGURE PGADMIN
ynh_add_config --template="config_local.py" --destination="$install_dir/venv/lib/python$python_version/site-packages/pgadmin4/config_local.py"
ynh_add_config --template=postgres-reg.ini --destination="$install_dir"/postgres-reg.ini

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

# Add systemd config
ynh_add_systemd_config --service=$app --template=pgadmin.service

yunohost service add $app --log "/var/log/$app/$app.log" --description 'PgAdmin application'

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --logfile /var/log/$app --nonappend

set_permission

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=3

ynh_systemd_action --service_name "$app.service" --action="restart" --line_match "Listening at: unix:/run/$app/app.socket" --log_path systemd

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

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