SHELL := /usr/bin/env bash

APP_NAME ?= cpone-middleware
GOOS ?= linux
GOARCH ?= amd64
CGO_ENABLED ?= 0
BUILD_BINARY ?= dist/$(APP_NAME)-$(GOOS)-$(GOARCH)

REMOTE_DIR ?= auto
REMOTE_BINARY ?=
SERVICE ?= $(APP_NAME).service
SERVICE_SCOPE ?= auto
RESTART_MODE ?= systemd-kill
SSH_OPTIONS ?= -o ConnectTimeout=10 -o ServerAliveInterval=5 -o ServerAliveCountMax=2
SSH_TIMEOUT ?= 45s
TRANSFER_TIMEOUT ?= 120s

# Supports both `make deploy one@host` and the explicit form
# `make deploy DEPLOY_TARGET=one@host`.
KNOWN_GOALS := help test vet build check-deploy-target deploy
POSITIONAL_TARGET := $(firstword $(filter-out $(KNOWN_GOALS),$(MAKECMDGOALS)))
DEPLOY_TARGET ?= $(POSITIONAL_TARGET)

.DEFAULT_GOAL := help
.PHONY: help test vet build check-deploy-target deploy

help:
	@printf '%s\n' \
		'Usage:' \
		'  make deploy one@devcpone.aplikasi.web.id' \
		'  make deploy DEPLOY_TARGET=one@devcpone.aplikasi.web.id' \
		'' \
		'Optional overrides:' \
		'  REMOTE_DIR=auto (default: $${HOME}/apps di server)' \
		'  SERVICE=cpone-middleware.service' \
		'  SERVICE_SCOPE=auto|user|system' \
		'  RESTART_MODE=systemd-kill|systemctl' \
		'  SSH_OPTIONS="-p 22 -o ConnectTimeout=10"' \
		'  SSH_TIMEOUT=45s TRANSFER_TIMEOUT=120s'

test:
	go test ./...

vet:
	go vet ./...

build: test vet
	@mkdir -p "$$(dirname "$(BUILD_BINARY)")"
	CGO_ENABLED=$(CGO_ENABLED) GOOS=$(GOOS) GOARCH=$(GOARCH) \
		go build -trimpath -ldflags='-s -w' -o "$(BUILD_BINARY)" ./cmd/server
	@printf 'Built %s\n' "$(BUILD_BINARY)"

check-deploy-target:
	@if [[ -z "$(DEPLOY_TARGET)" ]]; then \
		echo 'Error: target server belum diisi.' >&2; \
		echo 'Contoh: make deploy one@devcpone.aplikasi.web.id' >&2; \
		exit 2; \
	fi

deploy: check-deploy-target build
	@APP_NAME="$(APP_NAME)" \
		BUILD_BINARY="$(BUILD_BINARY)" \
		REMOTE_DIR="$(REMOTE_DIR)" \
		REMOTE_BINARY="$(REMOTE_BINARY)" \
		SERVICE="$(SERVICE)" \
		SERVICE_SCOPE="$(SERVICE_SCOPE)" \
		RESTART_MODE="$(RESTART_MODE)" \
		SSH_OPTIONS="$(SSH_OPTIONS)" \
		SSH_TIMEOUT="$(SSH_TIMEOUT)" \
		TRANSFER_TIMEOUT="$(TRANSFER_TIMEOUT)" \
		./scripts/deploy.sh "$(DEPLOY_TARGET)"

# Extra command-line words are treated as the positional deploy target.
ifneq ($(strip $(POSITIONAL_TARGET)),)
.PHONY: $(POSITIONAL_TARGET)
$(POSITIONAL_TARGET):
	@:
endif