#!/bin/bash

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

upgrade_type=$(ynh_check_app_version_changed)

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

ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=1

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$install_dir"
fi


ynh_secure_remove --file="${install_dir}/venv"
pushd "$install_dir"
    python3 -m venv venv
    venv/bin/pip install --upgrade pip
    venv/bin/pip install gunicorn
	#echo "django-auth-ldap<1.4" >> $install_dir/requirements.txt
    venv/bin/pip install -r requirements.txt
popd

chmod 750 "$install_dir"
chmod -R o-rwx "$install_dir"
chown -R $app:www-data "$install_dir"

#=================================================
# SPECIFIC UPGRADE
#=================================================
# CONFIGURE DJANGO
#=================================================
ynh_script_progression --message="Configuring Django..." --weight=1

export prefix="${path#"/"}/"
prefix=${prefix%"/"}
ynh_backup_if_checksum_is_different --file="$install_dir/coin/settings_local.py"
ynh_render_template ../conf/local.py.j2 "$install_dir/coin/settings_local.py"
ynh_store_file_checksum --file="$install_dir/coin/settings_local.py"

ynh_add_config --template="../conf/gunicorn_config.py" --destination="$install_dir/gunicorn_config.py"
chown $app:www-data "$install_dir/gunicorn_config.py"

#=================================================
# MIGRATE DB
#=================================================
ynh_script_progression --message="Migrating database..." --weight=1

pushd "$install_dir"
	ynh_exec_warn_less venv/bin/python3 manage.py migrate --noinput
popd

#=================================================
# COLLECT FILES
#=================================================
ynh_script_progression --message="Collecting files..." --weight=1

pushd "$install_dir"
	ynh_exec_warn_less venv/bin/python3 manage.py collectstatic --noinput
popd

chmod 750 "$install_dir"
chmod -R o-rwx "$install_dir"
chown -R $app:www-data "$install_dir"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading system configurations..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

# Create a dedicated systemd config
ynh_add_systemd_config

yunohost service add $app --description "$app daemon" --log="/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

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

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