# InternetPressure.io probe agent — build / test / lint
#
#   make build      → dist/ip-probe-darwin-arm64, dist/ip-probe-linux-amd64 (static, stripped, version-stamped)
#   make test       → go test ./...
#   make lint       → gofmt check + go vet
#   make run-dev    → build for the host and run with probe.dev.yaml (create it from probe.example.yaml)
#   make once T=www.cloudflare.com → one-shot checks against a target

VERSION   ?= $(shell cat VERSION)
MODULE    := internetpressure.io/probe-agent
LDFLAGS   := -s -w -X main.version=$(VERSION)
GOFLAGS   := -trimpath
DIST      := dist
HOST_OS   := $(shell go env GOOS)
HOST_ARCH := $(shell go env GOARCH)
T         ?= www.cloudflare.com

.PHONY: all build build-host test lint vet fmt run-dev once clean checksums

all: lint test build

build: $(DIST)/ip-probe-darwin-arm64 $(DIST)/ip-probe-linux-amd64 checksums

$(DIST)/ip-probe-darwin-arm64: $(shell find . -name '*.go' -not -path './dist/*') go.mod go.sum VERSION
	@mkdir -p $(DIST)
	CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 go build $(GOFLAGS) -ldflags "$(LDFLAGS)" -o $@ .

$(DIST)/ip-probe-linux-amd64: $(shell find . -name '*.go' -not -path './dist/*') go.mod go.sum VERSION
	@mkdir -p $(DIST)
	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build $(GOFLAGS) -ldflags "$(LDFLAGS)" -o $@ .

# Convenience: a binary for the machine running make (used by run-dev / once).
build-host:
	@mkdir -p $(DIST)
	CGO_ENABLED=0 go build $(GOFLAGS) -ldflags "$(LDFLAGS)" -o $(DIST)/ip-probe .

checksums:
	@cd $(DIST) && shasum -a 256 ip-probe-darwin-arm64 ip-probe-linux-amd64 > SHA256SUMS && cat SHA256SUMS

test:
	go test ./...

vet:
	go vet ./...

fmt:
	@test -z "$$(gofmt -l . | grep -v '^dist/')" || (echo "gofmt needed on:" && gofmt -l . && exit 1)

lint: fmt vet

run-dev: build-host
	./$(DIST)/ip-probe run --config probe.dev.yaml

once: build-host
	./$(DIST)/ip-probe once --target $(T)

clean:
	rm -rf $(DIST)