#!/bin/bash

# INSTALL SCRIPT
# The install script is required for all templates.
# It is used to install the service on the server.
# It is called with the path to the server specific env file as an argument.

source "$(dirname "$0")/_common.sh"

# Required environment variables
check_required_env_vars "CONTAINER_NAME" "IMAGE_REGISTRY" "IMAGE_REPO" "IMAGE_TAG" "VOLUME_NAME" "HOST_NAME" "HOST_PORT"

# Create volume if it doesn't exist
if ! docker volume inspect "${VOLUME_NAME}" &>/dev/null; then
    echo "Volume ${VOLUME_NAME} does not exist, creating..."
    docker volume create "${VOLUME_NAME}"
fi
if ! docker volume inspect "${VOLUME_NAME}" &>/dev/null; then
    die "Failed to create volume ${VOLUME_NAME}"
fi

# Test Docker 
_check_docker_installed || die "Docker test failed, aborting installation..."


# check can pull image on remote host and exit if fails
docker pull "$IMAGE_REGISTRY/$IMAGE_REPO:$IMAGE_TAG" || die "Failed to pull image $IMAGE_REGISTRY/$IMAGE_REPO:$IMAGE_TAG"

# remove and restart, as the env may have changed.
bash ./stop.sh || die "Failed to stop container ${CONTAINER_NAME}"
_remove_container $CONTAINER_NAME || die "Failed to remove container ${CONTAINER_NAME}"
bash ./start.sh || die "Failed to start container ${CONTAINER_NAME}"

echo "Installation of ${CONTAINER_NAME} complete"
echo "You can access the service at http://${HOST_NAME}:${HOST_PORT}"