#!/usr/bin/env bash
set -euo pipefail

project_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
compose_file="$project_root/compose.test.yml"
wait_seconds="${TREE_FELLER_START_TIMEOUT:-900}"

if ! command -v docker >/dev/null 2>&1; then
  echo "Required command not found: docker" >&2
  exit 1
fi

if ! docker info >/dev/null 2>&1; then
  echo "Docker is not running or is not accessible." >&2
  exit 1
fi

if ! docker compose version >/dev/null 2>&1; then
  echo "Docker Compose v2 is required." >&2
  exit 1
fi

cd "$project_root"
./gradlew clean check jar
mkdir -p .docker/minecraft

# Recreate the container so the image installs the newly built read-only plugin JAR.
docker compose -f "$compose_file" up -d --force-recreate
container_id="$(docker compose -f "$compose_file" ps -q minecraft)"
if [[ -z "$container_id" ]]; then
  echo "The Tree Feller test container was not created." >&2
  exit 1
fi

echo "Waiting up to ${wait_seconds}s for Spigot 26.2..."
deadline=$((SECONDS + wait_seconds))
while (( SECONDS < deadline )); do
  container_state="$(docker inspect --format '{{.State.Status}}' "$container_id")"
  health_state="$(docker inspect --format '{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}' "$container_id")"
  if [[ "$health_state" == "healthy" ]]; then
    break
  fi
  if [[ "$container_state" == "exited" || "$container_state" == "dead" ]]; then
    docker compose -f "$compose_file" logs --tail=150 minecraft >&2
    echo "The Minecraft server exited during startup." >&2
    exit 1
  fi
  sleep 5
done

health_state="$(docker inspect --format '{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}' "$container_id")"
if [[ "$health_state" != "healthy" ]]; then
  docker compose -f "$compose_file" logs --tail=150 minecraft >&2
  echo "Timed out waiting for Spigot 26.2 (status: $health_state)." >&2
  exit 1
fi

plugins="$(docker compose -f "$compose_file" exec -T minecraft rcon-cli plugins)"
if [[ "$plugins" != *"TreeFeller"* ]]; then
  echo "$plugins" >&2
  echo "TreeFeller was not reported by the running server." >&2
  exit 1
fi

# Offline mode assigns a deterministic UUID that differs from the account's online UUID.
# Verify the exact identity instead of issuing `op WindMagi`, which can resolve online identity.
offline_uuid="6a3b6e9f-1a2f-380c-8a75-7a7ca6392c0e"
ops_json="$(docker compose -f "$compose_file" exec -T minecraft sh -lc 'cat /data/ops.json')"
if [[ "$ops_json" != *'"name": "WindMagi"'* || "$ops_json" != *"\"uuid\": \"${offline_uuid}\""* ]]; then
  echo "$ops_json" >&2
  echo "WindMagi's offline-mode UUID was not installed as an operator." >&2
  exit 1
fi

cat <<'MESSAGE'
Tree Feller test server is ready at localhost:25565.
Operator:  WindMagi
View logs: docker compose -f compose.test.yml logs -f minecraft
Stop:      docker compose -f compose.test.yml down
Reset:     docker compose -f compose.test.yml down && rm -rf .docker/minecraft
MESSAGE