.PHONY: help up down logs status rebuild clean psql logs-backend logs-gateway logs-mail build-engine stop-engines wait

.DEFAULT_GOAL := help

COMPOSE := docker compose
REPO_ROOT := $(realpath $(CURDIR)/../..)
ENGINE_IMAGE := galaxy-engine:local-dev
# Label set by the engine `Dockerfile` runtime stage; used to find
# engine containers spawned by backend's runtime that fall outside
# `docker compose down`'s scope.
ENGINE_LABEL := org.opencontainers.image.title=galaxy-game-engine

help:
	@echo "Local development stack for the Galaxy UI:"
	@echo "  make up             Build (if needed) and bring up the stack, wait until healthy"
	@echo "  make down           Stop containers (incl. spawned engines), keep volumes"
	@echo "  make rebuild        Force rebuild of backend / gateway images and bring up"
	@echo "  make build-engine   Build the engine image $(ENGINE_IMAGE) used by the dev sandbox"
	@echo "  make stop-engines   Stop and remove only the per-game engine containers"
	@echo "  make clean          Stop and wipe volumes (postgres data, engines, game state)"
	@echo "  make logs           Tail all logs"
	@echo "  make logs-backend   Tail only the backend logs"
	@echo "  make logs-gateway   Tail only the gateway logs"
	@echo "  make logs-mail      Tail only the mailpit logs"
	@echo "  make status         docker compose ps"
	@echo "  make psql           Open a psql shell as galaxy@galaxy_backend"
	@echo ""
	@echo "After 'make up', point the UI at the stack with:"
	@echo "  pnpm -C ui/frontend dev"
	@echo "and open http://localhost:5173 (UI) plus http://localhost:8025 (Mailpit)."
	@echo ""
	@echo "Default login for the auto-provisioned dev sandbox: dev@local.test"
	@echo "(see BACKEND_DEV_SANDBOX_EMAIL in .env). Login code: 123456."

up: build-engine
	$(COMPOSE) up -d --wait

rebuild: build-engine
	$(COMPOSE) build --no-cache backend gateway
	$(COMPOSE) up -d --wait

build-engine:
	@if docker image inspect $(ENGINE_IMAGE) >/dev/null 2>&1; then \
		echo "$(ENGINE_IMAGE) already built; skipping (use 'docker rmi $(ENGINE_IMAGE)' to force a rebuild)."; \
	else \
		echo "building $(ENGINE_IMAGE)…"; \
		docker build -t $(ENGINE_IMAGE) -f $(REPO_ROOT)/game/Dockerfile $(REPO_ROOT); \
	fi

down: stop-engines
	$(COMPOSE) down

clean: stop-engines
	$(COMPOSE) down -v
	@if [ -d /tmp/galaxy-game-state ]; then \
		echo "wiping /tmp/galaxy-game-state…"; \
		docker run --rm -v /tmp/galaxy-game-state:/state alpine sh -c 'rm -rf /state/*' 2>/dev/null || rm -rf /tmp/galaxy-game-state/* 2>/dev/null || true; \
	fi

# Spawned engine containers run outside the compose project (the
# backend's runtime creates them on demand), so `compose down` does
# not see them. We discover them by the engine image's
# OCI title label, set by game/Dockerfile.
stop-engines:
	@ids=$$(docker ps -aq --filter label=$(ENGINE_LABEL)); \
	if [ -n "$$ids" ]; then \
		echo "stopping engine containers…"; \
		docker rm -f $$ids >/dev/null; \
	fi

logs:
	$(COMPOSE) logs -f --tail=100

logs-backend:
	$(COMPOSE) logs -f --tail=200 backend

logs-gateway:
	$(COMPOSE) logs -f --tail=200 gateway

logs-mail:
	$(COMPOSE) logs -f --tail=200 mailpit

status:
	$(COMPOSE) ps

psql:
	$(COMPOSE) exec postgres psql -U galaxy -d galaxy_backend