#!/bin/bash

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

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

#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression "Stopping $app's systemd service..."

ynh_systemctl --service="$app" --action="stop"

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression "Ensuring downward compatibility..."

# FIXMEhelpers2.1: maybe replace with: ynh_app_setting_set_default --key=debug_enabled --value="0"
if [ -z "${debug_enabled:-}" ]; then
    debug_enabled="0"
    ynh_app_setting_set --key=debug_enabled --value="$debug_enabled"
fi

# FIXMEhelpers2.1: maybe replace with: ynh_app_setting_set_default --key=log_level --value="WARNING"
if [ -z "${log_level:-}" ]; then
    log_level="WARNING"
    ynh_app_setting_set --key=log_level --value="$log_level"
fi

if [ -z "${admin_email:-}" ]; then
    admin_email="${admin}@${domain}"
fi

# FIXMEhelpers2.1: maybe replace with: ynh_app_setting_set_default --key=default_from_email --value="${app}@${domain}"
if [ -z "${default_from_email:-}" ]; then
    default_from_email="${app}@${domain}"
    ynh_app_setting_set --key=default_from_email --value="$default_from_email"
fi

if [ -d "/opt/yunohost/$app" ]; then
    if [ -d "$install_dir/app" ]; then
        ynh_safe_rm "/opt/yunohost/$app"
    else
        mv "/opt/yunohost/$app" "$install_dir/app"
    fi
fi

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression "Upgrading source files..."

mkdir -p "$install_dir/"{app,public/media,public/static}

ynh_config_add --template="requirements.txt" --destination="$install_dir/app/requirements.txt"

ynh_config_add --template="gunicorn.conf.py" --destination="$install_dir/app/gunicorn.conf.py"

ynh_config_add --template="manage.py" --destination="$install_dir/app/manage.py"
chmod +x "$install_dir/app/manage.py"

ynh_config_add --template="settings.py" --destination="$install_dir/app/settings.py"
ynh_config_add --template="setup_user.py" --destination="$install_dir/app/setup_user.py"
ynh_config_add --template="urls.py" --destination="$install_dir/app/urls.py"
ynh_config_add --template="wsgi.py" --destination="$install_dir/app/wsgi.py"

#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown -R "$app:www-data" "$install_dir"
#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown -R "$app:www-data" "$install_dir"
mkdir -p "/var/log/$app"
touch "/var/log/$app/$app.log"
#REMOVEME? Assuming ynh_config_add_logrotate is called, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown -R "$app:$app" "/var/log/$app"

#=================================================
# PYTHON VIRTUALENV
#=================================================
ynh_script_progression "Upgrading $app..."

_venv_install

_build_app

pushd "$install_dir/app"
    # Just for debugging:
    ynh_exec_as_app "$venvpy" ./manage.py diffsettings

    ynh_exec_as_app "$venvpy" ./manage.py migrate --no-input
    ynh_exec_as_app "$venvpy" ./manage.py collectstatic --no-input

    # Create/update Django superuser (set unusable password, because auth done via SSOwat):
    ynh_exec_as_app "$venvpy" ./manage.py create_superuser --username="$admin" --email="$(ynh_user_get_info "$admin" mail)"

    # Check the configuration
    # This may fail in some cases with errors, etc., but the app works and the user can fix issues later.
    ynh_exec_as_app "$venvpy" ./manage.py check --deploy || true
popd

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression "Upgrading system configurations related to $app..."

ynh_config_add_nginx

ynh_config_add_systemd
yunohost service add "$app" --description="Django-fritzconnection server" --log="/var/log/$app/$app.log"

ynh_config_add_logrotate

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression "Starting $app's systemd service..."

ynh_systemctl --service="$app" --action="start"

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

ynh_script_progression "Upgrade of $app completed"