#!/bin/bash

set -eu
cd "$(dirname "$0")"

# bring down ghost instances.
for DOMAIN_NAME in ${DOMAIN_LIST//,/ }; do
    export DOMAIN_NAME="$DOMAIN_NAME"
    export SITE_PATH="$SITES_PATH/$DOMAIN_NAME"

    # source the site path so we know what features it has.
    source ../../reset_env.sh
    source "$SITE_PATH/site_definition"
    source ../../domain_env.sh

    ### Stop all services.
    for APP in ghost nextcloud gitea; do
        # backup each language for each app.
        for LANGUAGE_CODE in ${SITE_LANGUAGE_CODES//,/ }; do
            STACK_NAME="$DOMAIN_IDENTIFIER-$APP-$LANGUAGE_CODE"

            if docker stack list --format "{{.Name}}" | grep -q "$STACK_NAME"; then
                docker stack rm "$STACK_NAME"
                sleep 2
            fi

            # these variable are used by both backup/restore scripts.
            export APP="$APP"
            export REMOTE_BACKUP_PATH="$REMOTE_HOME/backups/www/$APP/$DOMAIN_IDENTIFIER-$LANGUAGE_CODE"
            export REMOTE_SOURCE_BACKUP_PATH="$REMOTE_HOME/$APP/$DOMAIN_NAME"
  
            # ensure our local backup path exists so we can pull down the duplicity archive to the management machine.
            export LOCAL_BACKUP_PATH="$SITE_PATH/backups/www/$APP/$BACKUP_TIMESTAMP"

            # ensure our local backup path exists.
            if [ ! -d "$LOCAL_BACKUP_PATH" ]; then
                mkdir -p "$LOCAL_BACKUP_PATH"
            fi

            if [ "$RESTORE_WWW" = true ]; then
                ./restore_path.sh
                #ssh "$PRIMARY_WWW_FQDN" sudo chown ubuntu:ubuntu "$REMOTE_HOME/$APP"
            elif [ "$BACKUP_APPS"  = true ]; then
                # if we're not restoring, then we may or may not back up.
                ./backup_path.sh
            fi
        done
    done
done


if docker stack list --format "{{.Name}}" | grep -q reverse-proxy; then
    docker stack rm reverse-proxy

    if [ "$STOP_SERVICES" = true ]; then
        echo "STOPPING as indicated by the --stop flag."
        exit 1
    fi

    # wait for all docker containers to stop.
    # TODO see if there's a way to check for this.
    sleep 7

    docker system prune -f

    sleep 2
fi

# generate the certs and grab a backup
if [ "$RUN_CERT_RENEWAL" = true ]; then
    ./generate_certs.sh
fi

# Back each domain's certificates under /home/ubuntu/letsencrypt/domain
for DOMAIN_NAME in ${DOMAIN_LIST//,/ }; do
    export DOMAIN_NAME="$DOMAIN_NAME"
    export SITE_PATH="$SITES_PATH/$DOMAIN_NAME"

    # source the site path so we know what features it has.
    source ../../reset_env.sh
    source "$SITE_PATH/site_definition"
    source ../../domain_env.sh

    # these variable are used by both backup/restore scripts.
    export APP="letsencrypt"
    export REMOTE_BACKUP_PATH="$REMOTE_HOME/backups/www/$APP/$DOMAIN_IDENTIFIER"
    export REMOTE_SOURCE_BACKUP_PATH="$REMOTE_HOME/$APP/$DOMAIN_NAME"

    # ensure our local backup path exists so we can pull down the duplicity archive to the management machine.
    export LOCAL_BACKUP_PATH="$SITE_PATH/backups/www/$APP/$BACKUP_TIMESTAMP"
    mkdir -p "$LOCAL_BACKUP_PATH"

    if [ "$RESTORE_WWW" = true ]; then
        sleep 5
        echo "STARTING restore_path.sh for letsencrypt."
        ./restore_path.sh
        #ssh "$PRIMARY_WWW_FQDN" sudo chown ubuntu:ubuntu "$REMOTE_HOME/$APP"
    elif [ "$BACKUP_APPS"  = true ]; then
        # if we're not restoring, then we may or may not back up.
        ./backup_path.sh
        
    fi
done