BIN_DIR ?= bin
BIN     := $(BIN_DIR)/flex-auth
PKG     := ./...
VERSION ?= $(shell git describe --tags --always --dirty 2>/dev/null || echo 0.0.0-dev)
LDFLAGS := -X main.version=$(VERSION)

.PHONY: all build test vet lint fmt tidy sbom clean ci

all: vet lint test build

build:
	@mkdir -p $(BIN_DIR)
	go build -ldflags "$(LDFLAGS)" -o $(BIN) ./cmd/flex-auth

test:
	go test -race $(PKG)

vet:
	go vet $(PKG)

fmt:
	gofmt -l -w .

tidy:
	go mod tidy

lint:
	@if command -v golangci-lint >/dev/null 2>&1; then \
		golangci-lint run $(PKG); \
	else \
		echo "golangci-lint not installed; run: go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest"; \
		echo "falling back to: go vet"; \
		go vet $(PKG); \
	fi

GOBIN_PATH := $(shell go env GOPATH)/bin

sbom:
	@mkdir -p $(BIN_DIR)
	@if command -v cyclonedx-gomod >/dev/null 2>&1; then \
		cyclonedx-gomod mod -json -output $(BIN_DIR)/sbom.cdx.json .; \
		echo "SBOM written to $(BIN_DIR)/sbom.cdx.json (cyclonedx-gomod)"; \
	elif [ -x "$(GOBIN_PATH)/cyclonedx-gomod" ]; then \
		"$(GOBIN_PATH)/cyclonedx-gomod" mod -json -output $(BIN_DIR)/sbom.cdx.json .; \
		echo "SBOM written to $(BIN_DIR)/sbom.cdx.json (cyclonedx-gomod via GOPATH)"; \
	elif command -v syft >/dev/null 2>&1; then \
		syft . -o cyclonedx-json=$(BIN_DIR)/sbom.cdx.json; \
		echo "SBOM written to $(BIN_DIR)/sbom.cdx.json (syft)"; \
	else \
		echo "no SBOM tool found. install one:"; \
		echo "  go install github.com/CycloneDX/cyclonedx-gomod/cmd/cyclonedx-gomod@latest"; \
		echo "  or syft: https://github.com/anchore/syft"; \
		exit 1; \
	fi

clean:
	rm -rf $(BIN_DIR)

ci: vet lint test build