#!/usr/bin/make -f

# Common variables
REPO ?= $(shell go list -m)
VERSION ?= $(shell git describe --tags --dirty --match "v*" --always --abbrev=8 2>/dev/null || cat VERSION 2>/dev/null || echo "develop")
GO_VERSION ?= 1.22
LINT_VERSION ?= 1.60.1
TRUECLOUDLAB_LINT_VERSION ?= 0.0.6
BINDIR = bin

# Binaries to build
CMDS = policy-reader
BINS = $(addprefix $(BINDIR)/, $(CMDS))

OUTPUT_LINT_DIR ?= $(shell pwd)/bin
LINT_DIR = $(OUTPUT_LINT_DIR)/golangci-lint-$(LINT_VERSION)-v$(TRUECLOUDLAB_LINT_VERSION)
TMP_DIR := .cache

.PHONY: all $(BINS) $(BINDIR) dep test lint pre-commit unpre-commit version clean

# .deb package versioning
OS_RELEASE = $(shell lsb_release -cs)
PKG_VERSION ?= $(shell echo $(VERSION) | sed "s/^v//" | \
			sed -E "s/(.*)-(g[a-fA-F0-9]{6,8})(.*)/\1\3~\2/" | \
			sed "s/-/~/")-${OS_RELEASE}
.PHONY: debpackage debclean

# Make all binaries
all: $(BINS)

$(BINS): $(BINDIR) dep
	@echo "⇒ Build $@"
	CGO_ENABLED=0 \
	go build -v -trimpath \
	-ldflags "-X $(REPO)/internal/version.Version=$(VERSION)" \
	-o $@ .

# Run tests
test:
	@go test ./...

# Install linters
lint-install:
	@mkdir -p $(TMP_DIR)
	@rm -rf $(TMP_DIR)/linters
	@git -c advice.detachedHead=false clone --branch v$(TRUECLOUDLAB_LINT_VERSION) https://git.frostfs.info/TrueCloudLab/linters.git $(TMP_DIR)/linters
	@@make -C $(TMP_DIR)/linters lib CGO_ENABLED=1 OUT_DIR=$(OUTPUT_LINT_DIR)
	@rm -rf $(TMP_DIR)/linters
	@rmdir $(TMP_DIR) 2>/dev/null || true
	@CGO_ENABLED=1 GOBIN=$(LINT_DIR) go install github.com/golangci/golangci-lint/cmd/golangci-lint@v$(LINT_VERSION)

# Run linters
lint:
	@if [ ! -d "$(LINT_DIR)" ]; then \
		echo "Run make lint-install"; \
		exit 1; \
	fi
	$(LINT_DIR)/golangci-lint --timeout=5m run

# Activate pre-commit hooks
pre-commit:
	pre-commit install -t pre-commit -t commit-msg

# Deactivate pre-commit hooks
unpre-commit:
	pre-commit uninstall -t pre-commit -t commit-msg

# Show current version
version:
	@echo $(VERSION)

# Clean up files
clean:
	rm -rf .cache
	rm -rf $(BINDIR)