#!/bin/bash

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

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

admin_mail=$(ynh_user_get_info --username="$admin" --key=mail)
key=$(ynh_string_random --length=50)

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression "Storing installation settings..."

ynh_app_setting_set --key=used_forge --value=$used_forge
ynh_app_setting_set --key=forge_username --value=$forge_username
ynh_app_setting_set --key=forge_token --value=$forge_token

# Remove trailing "/" from the path
path_no_slash=${path%/}

#=================================================
# CREATE A POSTGRESQL DATABASE
#=================================================
ynh_script_progression "Creating a PostgreSQL database..."

ynh_psql_db_shell <<< "CREATE EXTENSION IF NOT EXISTS pg_trgm;"

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

mkdir -p "$install_dir/avatar-cache"
mkdir -p "$install_dir/data"

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

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression "Configuring NGINX web server..."

ynh_config_add_nginx

#=================================================
# INSTALL XXHASH
#=================================================
ynh_script_progression "Installing xxHash..."

tempdir="$(mktemp -d)"
ynh_setup_source --dest_dir=$tempdir --source_id="libxxhash"
pushd $tempdir
	make
	make install
popd
ynh_safe_rm "$tempdir"

#=================================================
# CONFIGURE HUB
#=================================================

if [ $used_forge = "GitHub" ] ; then
	ynh_script_progression "Configure hub..."

	mkdir "$install_dir/.config/"
	ynh_config_add --template="hub_config" --destination="$install_dir/.config/hub"

	cat <<EOF > "$install_dir/.bashrc"
	eval "$(hub alias -s /bin/bash)"
EOF
fi

#=================================================
# PIP INSTALLATION
#=================================================
ynh_script_progression "Install weblate using PIP..."

virtualenv --python=python3 "${install_dir}/venv"
chown -R $app: "$install_dir"

#run source in a 'sub shell'
(
	set +o nounset
	source "${install_dir}/venv/bin/activate"
	set -o nounset
	cd "${install_dir}"

	sudo --user=$app $install_dir/venv/bin/pip install --upgrade pip setuptools wheel pkgconfig xxhash

	# Read the "Note" section in https://docs.weblate.org/en/weblate-4.11/admin/install/venv-debian.html#python-modules
	sudo --user=$app $install_dir/venv/bin/pip install --force-reinstall --no-binary :all: cffi
	# Still needed with latest version of weblate?
	sudo --user=$app BORG_OPENSSL_PREFIX=/usr/lib/x86_64-linux-gnu/ $install_dir/venv/bin/pip install Weblate=="$(ynh_app_upstream_version)"
	sudo --user=$app $install_dir/venv/bin/pip install psycopg2-binary ruamel.yaml aeidon phply boto3 google openai
	#pip install pytz python-bidi PyYaML Babel pyuca pylibravatar py3dns psycopg2-binary phply django-redis hiredis aeidon ruamel.yaml

	# specific to YunoHost package:
	sudo --user=$app $install_dir/venv/bin/pip install django_sendmail_backend
)

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression "Adding $app's configuration..."

redis_db=$(ynh_redis_get_free_db)
ynh_app_setting_set --key=redis_db --value="$redis_db"
settings="$install_dir/venv/lib/$weblate_pypath/site-packages/weblate/settings.py"

set_forge_variables

ynh_config_add --template="settings.py" --destination="$settings"
ynh_config_add --template="celery-weblate" --destination="$install_dir/celery-weblate"
ynh_config_add --template="uwsgi.ini" --destination="/etc/uwsgi/apps-available/$app.ini"

touch "$install_dir/local_settings.py"
ln -sf "$install_dir/local_settings.py" "$install_dir/venv/lib/$weblate_pypath/site-packages/weblate/local_settings.py"

# Set permissions to app files
chmod 750 "$install_dir"
chmod -R o-rwx "$install_dir"
chown -R $app: "$install_dir"
chown "$app:www-data" "$install_dir"
chown -R "$app:www-data" "$install_dir/data"

#=================================================
# SPECIFIC SETUP Filling up the database
# https://docs.weblate.org/en/latest/admin/install.html#filling-up-the-database
#==========================================
ynh_script_progression "Filling up the database..."

(
	set +o nounset
	source "${install_dir}/venv/bin/activate"
	set -o nounset
	export DJANGO_SETTINGS_MODULE="weblate.settings"
	cd "${install_dir}"

	# the user needs to be weblate for postgresql
	ynh_hide_warnings sudo --user=$app $install_dir/venv/bin/weblate migrate --noinput

	ynh_hide_warnings sudo --user=$app $install_dir/venv/bin/weblate createadmin --no-color \
		--password "$password" \
		--username "$admin" \
		--email "$admin_mail"

	# generate static files
	ynh_hide_warnings sudo --user=$app $install_dir/venv/bin/weblate collectstatic --noinput

	# https://docs.weblate.org/en/latest/admin/install/venv-debian.html
	ynh_hide_warnings sudo --user=$app $install_dir/venv/bin/weblate compress

	# Check the configuration
	# This may fail in some cases with errors, etc., but the app works and the user can fix issues later.
	ynh_hide_warnings sudo --user=$app $install_dir/venv/bin/weblate check --deploy || true
)

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression "Configuring $app's systemd service..."

ynh_config_add_systemd  --template="weblate.service"
ynh_config_add_systemd --service="$app-celery" --template="celery-weblate.service"

#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression "Configuring log rotation..."

# Use logrotate to manage application logfile(s)
ynh_config_add_logrotate

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression "Integrating service in YunoHost..."

yunohost service add $app --log="/var/log/$app/weblate.log"
yunohost service add "$app-celery" --log="/var/log/$app/weblate-celery-w1.log"

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

ynh_systemctl --service=$app --action="start" --log_path="/var/log/$app/weblate.log" --wait_until="spawned uWSGI"
ynh_systemctl --service="$app-celery" --action="start" --log_path="/var/log/$app/weblate-celery-celery.log" --wait_until="mingle: all alone"

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

ynh_script_progression "Installation of $app completed"