#!/usr/bin/env bash
set -euo pipefail
cd "$(dirname "$0")/../.."

TAPE="${1:-demo.tape}"
COMPOSE_FILE="scripts/demo/compose.yaml"
install -d -m 0777 scripts/demo/out
# Demo containers use a rootless subuid mapping, so reset generated state
# from the same container identity rather than relying on host ownership.
docker run --rm --entrypoint sh -v "$PWD/scripts/demo/out:/out" vev-demo -c 'rm -rf /out/local && mkdir -m 0777 /out/local'

compose() {
	docker compose -f "$COMPOSE_FILE" "$@"
}

cleanup() {
	compose down -v --remove-orphans >/dev/null 2>&1 || true
}
trap cleanup EXIT

compose up -d remote

ready=""
for _ in $(seq 60); do
	if compose run --rm --entrypoint ssh client remote true >/dev/null 2>&1; then
		ready=yes
		break
	fi
	sleep 0.5
done
if [ -z "$ready" ]; then
	echo "error: sshd on the remote container never accepted a connection" >&2
	compose logs remote >&2 || true
	exit 1
fi

start_remote_session() {
	local name=$1 scene=$2
	if ! compose exec -u demo -T remote env VEV=demo-bootstrap SHELL=/usr/local/bin/demo-shell VEV_DEMO_SCENE="$scene" vev new "$name"; then
		echo "error: could not create remote session '$name'" >&2
		return 1
	fi
	if ! compose exec -u demo -T remote vev ls | grep -q "^$name"; then
		echo "error: remote session '$name' was not retained" >&2
		compose exec -u demo -T remote vev ls >&2 || true
		return 1
	fi
}

start_remote_session work remote-deploys
start_remote_session ticker remote-ticker

compose run --rm --entrypoint vev client host add remote
compose run --rm client "/tape/$TAPE"