#!/bin/bash

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

# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
	#### Remove this function if there's nothing to clean before calling the remove script.
	true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# CHECK IF MINIO IS INSTALLED, IF NOT WARN USER
#=================================================
ynh_script_progression --message="Checking if MinIO is installed..." --time --weight=1

if ! yunohost app list | grep -q "id: minio"; then
	ynh_die --message="We can't restore because MinIO is not installed ! Please install MinIO first"
fi

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --time --weight=1

app=$YNH_APP_INSTANCE_NAME

final_path=$(ynh_app_setting_get --app=$app --key=final_path)
domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path_url)
port=$(ynh_app_setting_get --app=$app --key=port)
admin=$(ynh_app_setting_get --app=$app --key=admin)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
language_key=$(ynh_app_setting_get --app=$app --key=language_key)
slack_key=$(ynh_app_setting_get --app=$app --key=slack_key)
slack_secret=$(ynh_app_setting_get --app=$app --key=slack_secret)
secret_key=$(ynh_app_setting_get --app=$app --key=secret_key)
utils_secret=$(ynh_app_setting_get --app=$app --key=utils_secret)
minio_domain=$(ynh_app_setting_get --app="minio" --key=domain)
minio_id=$(ynh_app_setting_get --app="minio" --key=minio_id)
minio_key=$(ynh_app_setting_get --app="minio" --key=minio_key)
mc_path=$(ynh_app_setting_get --app="minio" --key=mc_path)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..." --time --weight=1

test ! -d $final_path \
	|| ynh_die --message="There is already a directory: $final_path"

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the NGINX configuration..." --time --weight=1

ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --time --weight=1

# Create the dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..." --time --weight=1

ynh_restore_file --origin_path="$final_path"

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

#=================================================
# RESTORE MINIO
#=================================================

mv "$final_path/outlinestorage" "$mc_path/outlinestorage"
chown -R minio:www-data "$mc_path/outlinestorage"
pushd "$mc_path"
	ynh_exec_warn_less sudo -u minio ./mc mb minio/outlinestorage --region "fr-ynh-1"
	ynh_exec_warn_less sudo -u minio ./mc policy set public minio/outlinestorage
	ynh_exec_warn_less sudo -u minio ./mc mirror --a ./outlinestorage/ minio/outlinestorage
popd
ynh_secure_remove --file="$mc_path/outlinestorage"

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --time --weight=1

# Install nodejs
ynh_install_nodejs --nodejs_version=$NODEJS_VERSION

ynh_install_app_dependencies $pkg_dependencies

# Install Yarn
ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"

#=================================================
# RESTORE THE POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=6

ynh_psql_test_if_first_run
ynh_psql_setup_db --db_user=$db_name --db_name=$db_name --db_pwd=$secret_key
ynh_psql_execute_file_as_root --file="./db.sql" --database=$db_name

#=================================================
# UPDATING A CONFIGURATION
#=================================================

ynh_secure_remove --file="$final_path/.env"
ynh_script_progression --message="Updating the configuration file..." --time --weight=1

ynh_add_config --template="../conf/.env" --destination="$final_path/.env"

chmod 400 "$final_path/.env"
chown $app:$app "$final_path/.env"

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring the systemd configuration..." --time --weight=1

ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
systemctl enable $app.service --quiet

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the logrotate configuration..." --time --weight=1

ynh_restore_file --origin_path="/etc/logrotate.d/$app"

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --time --weight=1

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

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

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

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX AND PHP-FPM
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --time --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

ynh_script_progression --message="Restoration completed for $app" --time --last