.PHONY: build test lint fmt clean run release version changelog help

BINARY := bin/orca
GOFLAGS := -trimpath
PKG := ./cmd/orca

# Version is read from the latest git tag, with a `dev` fallback.
# Override with `make build VERSION=v0.1.5` if needed.
VERSION ?= $(shell git describe --tags --abbrev=0 2>/dev/null || echo "dev")
GIT_COMMIT ?= $(shell git rev-parse --short HEAD 2>/dev/null || echo "unknown")
BUILD_TIME ?= $(shell date -u +%Y-%m-%dT%H:%M:%SZ)

# -ldflags injects version metadata into the binary. The variables live in
# internal/cli/root.go, so we target git.cloudinit.dev/coreci/orca/internal/cli.
LDFLAGS := -s -w \
           -X git.cloudinit.dev/coreci/orca/internal/cli.version=$(VERSION) \
           -X git.cloudinit.dev/coreci/orca/internal/cli.gitCommit=$(GIT_COMMIT) \
           -X git.cloudinit.dev/coreci/orca/internal/cli.buildTime=$(BUILD_TIME)

help:
	@echo "orca — make targets"
	@echo "  build       Build binary to $(BINARY) (injects version via -ldflags)"
	@echo "  test        Run tests with race detection"
	@echo "  lint        Run gofmt + go vet"
	@echo "  fmt         Format code"
	@echo "  clean       Remove build artifacts"
	@echo "  run         Build and run with args (use: make run ARGS='version')"
	@echo "  version     Print the version string that would be injected"
	@echo "  changelog   Generate CHANGELOG.md from ---ci--- commit blocks"
	@echo "  release     Run scripts/release.sh [VERSION] — build, tar, publish"

build:
	@mkdir -p bin
	@echo "  → building $(VERSION) ($(GIT_COMMIT))"
	go build $(GOFLAGS) -ldflags="$(LDFLAGS)" -o $(BINARY) $(PKG)

test:
	go test -race -coverprofile=coverage.out ./...

lint:
	gofmt -l .
	go vet ./...

fmt:
	gofmt -w .

clean:
	rm -rf bin coverage.out *.tar.gz

run: build
	./$(BINARY) $(ARGS)

version:
	@echo "$(VERSION) (commit $(GIT_COMMIT), built $(BUILD_TIME))"

# changelog aggregates the most recent ---ci--- tagged commit messages
# into CHANGELOG.md. Idempotent; safe to run after every milestone.
changelog:
	@echo "# Changelog" > CHANGELOG.md
	@echo "" >> CHANGELOG.md
	@echo "All notable changes to orca are documented in this file." >> CHANGELOG.md
	@echo "" >> CHANGELOG.md
	@echo "The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)," >> CHANGELOG.md
	@echo "and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html)." >> CHANGELOG.md
	@echo "" >> CHANGELOG.md
	@git log --pretty=format:'%H' --grep='^feat\|^fix\|^docs\|^ship\|^chore' 2>/dev/null | head -50 | while read sha; do \
	  msg=$$(git log -1 --pretty=format:'%s' "$$sha"); \
	  if echo "$$msg" | grep -qE -- '---ci---|phase:'; then \
	    phase=$$(echo "$$msg" | grep -oE 'phase: [0-9]+' | head -1 | awk '{print $$2}'); \
	    status=$$(echo "$$msg" | grep -oE 'status: [a-z]+' | head -1 | awk '{print $$2}'); \
	    echo "- \`$$sha\` (phase $$phase, $$status) — $$msg" >> CHANGELOG.md; \
	  else \
	    echo "- \`$$sha\` — $$msg" >> CHANGELOG.md; \
	  fi; \
	done
	@echo "" >> CHANGELOG.md
	@echo "Generated by make changelog. Do not edit by hand." >> CHANGELOG.md
	@echo "✓ CHANGELOG.md updated"

release:
	@if [ -z "$(VERSION)" ] || [ "$(VERSION)" = "dev" ]; then \
	  echo "release: no version tag found. Tag first: git tag v0.1.6"; \
	  exit 1; \
	fi
	./scripts/release.sh $(VERSION)