.PHONY: help up down rebuild logs status clean-data health psql build-engine seed-ui

.DEFAULT_GOAL := help

REPO_ROOT := $(realpath $(CURDIR)/../..)
ENGINE_IMAGE := galaxy-engine:dev
ENGINE_LABEL := org.opencontainers.image.title=galaxy-game-engine
# Game-state root lives under the invoking user's home by default so
# `make up` works without sudo. Override `GALAXY_DEV_GAME_STATE_DIR`
# in the environment or `.env` to relocate (e.g. /var/lib/galaxy-dev/
# game-state in a production-shaped host). The value flows through to
# both the compose bind-mount and the backend's
# `BACKEND_GAME_STATE_ROOT`.
export GALAXY_DEV_GAME_STATE_DIR ?= $(HOME)/.galaxy-dev/game-state

COMPOSE := docker compose

help:
	@echo "Long-lived Galaxy dev environment (https://*.galaxy.lan):"
	@echo "  make up             Build images, ensure engine image, bring stack up"
	@echo "  make rebuild        Force rebuild of backend / gateway images and bring up"
	@echo "  make build-engine   Build $(ENGINE_IMAGE) from game/Dockerfile (no-op if present)"
	@echo "  make seed-ui        Build ui/frontend and load into galaxy-dev-ui-dist volume"
	@echo "  make down           Stop containers, keep named volumes"
	@echo "  make logs           Tail all logs"
	@echo "  make status         docker compose ps"
	@echo "  make health         Probe the stack through the host Caddy"
	@echo "  make psql           Open a psql shell as galaxy@galaxy_backend"
	@echo "  make clean-data     Stop everything and wipe named volumes + game-state"
	@echo ""
	@echo "Requires:"
	@echo "  - external Docker network '$${GALAXY_EDGE_NETWORK:-edge}'"
	@echo "    (docker network create edge)"
	@echo "  - host Caddy proxying *.galaxy.lan into that network"
	@echo "  - game-state dir: $(GALAXY_DEV_GAME_STATE_DIR) (auto-created)"

up: build-engine
	mkdir -p "$(GALAXY_DEV_GAME_STATE_DIR)"
	$(COMPOSE) up -d --wait

rebuild: build-engine
	$(COMPOSE) build --no-cache galaxy-backend galaxy-api
	mkdir -p "$(GALAXY_DEV_GAME_STATE_DIR)"
	$(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

# Build the UI frontend and load the resulting build/ directory into
# the named volume Caddy serves from. Used by the dev-deploy workflow
# and by anyone bringing the stack up by hand.
seed-ui:
	@if [ ! -d $(REPO_ROOT)/ui/frontend/node_modules ]; then \
		echo "installing UI dependencies…"; \
		(cd $(REPO_ROOT)/ui && pnpm install --frozen-lockfile); \
	fi
	@echo "building UI (vite build)…"
	(cd $(REPO_ROOT)/ui/frontend && \
	  VITE_GATEWAY_BASE_URL=https://api.galaxy.lan \
	  VITE_GATEWAY_RESPONSE_PUBLIC_KEY=$$(cat $(REPO_ROOT)/ui/frontend/.env.development \
	      | sed -n 's/^VITE_GATEWAY_RESPONSE_PUBLIC_KEY=//p') \
	  pnpm build)
	@echo "loading build/ into galaxy-dev-ui-dist volume…"
	docker volume create galaxy-dev-ui-dist >/dev/null
	docker run --rm \
	  -v galaxy-dev-ui-dist:/dst \
	  -v $(REPO_ROOT)/ui/frontend/build:/src:ro \
	  alpine sh -c 'rm -rf /dst/* /dst/.??* 2>/dev/null; cp -a /src/. /dst/'

down:
	$(COMPOSE) down

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

status:
	$(COMPOSE) ps

health:
	@echo "Frontend (https://www.galaxy.lan):"
	@curl -sS -o /dev/null -w "  HTTP %{http_code}\n" https://www.galaxy.lan/ || echo "  unreachable"
	@echo "API healthz (https://api.galaxy.lan/healthz):"
	@curl -sS -o /dev/null -w "  HTTP %{http_code}\n" https://api.galaxy.lan/healthz || echo "  unreachable"

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

clean-data:
	@echo "Stopping containers and engines, then wiping volumes + game-state…"
	@ids=$$(docker ps -aq --filter label=$(ENGINE_LABEL)); \
	if [ -n "$$ids" ]; then \
		echo "stopping engine containers…"; \
		docker rm -f $$ids >/dev/null; \
	fi
	$(COMPOSE) down -v
	@if [ -d "$(GALAXY_DEV_GAME_STATE_DIR)" ]; then \
		echo "wiping $(GALAXY_DEV_GAME_STATE_DIR)…"; \
		docker run --rm -v "$(GALAXY_DEV_GAME_STATE_DIR):/state" alpine sh -c 'rm -rf /state/*' 2>/dev/null \
			|| rm -rf "$(GALAXY_DEV_GAME_STATE_DIR)"/* 2>/dev/null || true; \
	fi
