.PHONY: build test vet race mocks mocks-check spv-check fakes-check log-check arch adapter-imports check perf-check color-check bin tty logs pkg install

# 0 runs until quit; set e.g. TTY_TIMEOUT=60s for a safety net.
TTY_TIMEOUT ?= 0
comma := ,
# Go runtime profiles for tty runs; set PPROF= to disable.
PPROF ?= localhost:6060
RUNS := $(or $(XDG_STATE_HOME),$(HOME)/.local/state)/neferwl/runs/drm

# Build a fresh binary with the git revision embedded.
bin:
	CGO_ENABLED=0 go build -o bin/neferwl ./cmd/neferwl

# Run on the current TTY. Quit: Ctrl+Alt+Backspace (or the quit bind).
# TTY_DEBUG adds narrow categories, e.g. TTY_DEBUG=drm-flip.
tty: bin
	./bin/neferwl --backend=drm --debug=all$(if $(TTY_DEBUG),$(comma)$(TTY_DEBUG)) --timeout=$(TTY_TIMEOUT) $(if $(PPROF),--pprof=$(PPROF)); \
	echo "exit $$? - log: $(RUNS)/latest.log"

# Summarise the last run: lifecycle, warnings and errors.
logs:
	@jq -r 'select(.level != "debug") | "\(.time) \(.level) [\(.component)] \(.message) \(del(.time,.level,.component,.message) | tostring)"' $(RUNS)/latest.log
build:
	CGO_ENABLED=0 go build ./...
test:
	CGO_ENABLED=0 go test ./...
vet:
	CGO_ENABLED=0 go vet ./...
race:
	# cgo is enabled only for the race test binary.
	CGO_ENABLED=1 go test -race ./...
MOCKS := internal/mocks ':(glob)internal/**/*_mock_test.go'
# Regenerate from scratch so mocks of removed interfaces disappear too.
mocks:
	rm -rf internal/mocks
	find internal -name '*_mock_test.go' -delete
	$(HOME)/go/bin/mockery
# Generated mocks must be committed and up to date.
mocks-check: mocks
	git diff --exit-code -- $(MOCKS)
	@test -z "$$(git ls-files --others --exclude-standard -- $(MOCKS))"
# Committed SPIR-V must match the GLSL shaders (needs glslc).
spv-check:
	go generate ./internal/adapters/vulkan
	git diff --exit-code -- 'internal/adapters/vulkan/shaders/*.spv'
# Test doubles come from Mockery only: no handwritten fake/stub/spy types.
# Matches `type fakeX`, `\ttype RendererStub[T any]` and `spyX struct` in `type (` blocks.
# grep exit 1 (no match) passes; 0 (match) and 2 (error) fail.
FAKES := ^\s*type\s+\w*(fake|stub|spy|dummy|mock)\w*|^\s*\w*(fake|stub|spy|dummy|mock)\w*(\[[^]]*\])?\s+(struct|interface)\b
fakes-check:
	@rc=0; grep -rniE '$(FAKES)' --include='*_test.go' --exclude='*_mock_test.go' internal cmd || rc=$$?; \
	[ $$rc -eq 1 ] || { [ $$rc -eq 0 ] && echo 'handwritten test double: add an interface and a Mockery entry (see AGENTS.md)' >&2; exit 1; }
# The component field comes from logging.For: a second one on a scoped logger
# duplicates the JSON key. grep exit 1 (no match) passes; 0 and 2 fail.
LOGCOMPONENT := "component"|FieldComponent
log-check:
	@rc=0; grep -rnE '$(LOGCOMPONENT)' --include='*.go' --exclude='*_test.go' --exclude-dir=logging internal cmd || rc=$$?; \
	[ $$rc -eq 1 ] || { [ $$rc -eq 0 ] && echo 'component log field: derive a logger with logging.For instead (see AGENTS.md)' >&2; exit 1; }
arch: adapter-imports
	$(HOME)/go/bin/hexcheck -config .hexcheck.yaml -root . ./...
# Adapters stay independent: production code may import only the shared
# adapter libraries below. outputkit holds what both output backends (drm,
# headless) run; the others are leaf helpers.
ADAPTER_LIBS := busretry|outputkit/capture|outputkit/presented|outputkit/surfaces|captureallow|clock|logging|sessionsecurity|syncfile|workspaceid|xkb
adapter-imports:
	@edges=$$(CGO_ENABLED=0 go list -f '{{$$p := .ImportPath}}{{range .Imports}}{{$$p}} {{.}}{{"\n"}}{{end}}' ./internal/adapters/...) || exit 1; \
	bad=$$(echo "$$edges" | grep -E ' \S+/internal/adapters/' | grep -vE '/internal/adapters/($(ADAPTER_LIBS))$$' \
		| while read -r from to; do case $$to in $$from/*) ;; *) echo "$$from -> $$to";; esac; done); \
	[ -z "$$bad" ] || { echo "$$bad"; echo 'adapter imports another adapter: use ports or a shared library (Makefile ADAPTER_LIBS)' >&2; exit 1; }
# Fast, mandatory guards for tiled content publications and SHM copies.
perf-check:
	CGO_ENABLED=0 go test ./internal/core ./internal/app ./internal/adapters/drm ./internal/adapters/vulkan ./internal/adapters/wayland -run '^(TestAnimateAllocations|TestPublishAllocations|TestPublishSubscribersAllocations|TestPublishStashSlideAllocations|TestPublishOverviewAllocations|TestPublishLeavingAllocations|TestOutputRoutingAllocations|TestReportSeenAllocations|TestFrameLifecycleTransitionsAllocations|TestFullscreenShownAllocations|TestFrameDecisionAllocations|TestCommitFrameAllocations|TestColorPipelineAllocations|TestShownBySnapshotAllocations|TestMRUNoteFocusDoesNotAllocateWhenSettled|TestDueFramesAllocations|TestRenderSteadyStateAllocations|TestSceneOpaqueRegionAllocations|TestSceneDeltaAllocations|TestAccountFlipAllocations|TestFlipDoneAllocations|TestSceneWalkUnchangedTiledSHM|TestTiledCommitPublishAllocations|TestCapturedCommitApplyAllocations|TestCapturedViewportApplyAllocations|TestEffectiveInputEmptyTreeAllocations|TestHeadlessTiledSHMCallbackAndCopyBudget)$$' -count=1
check: vet test arch fakes-check log-check perf-check

# On-demand SDR/HDR colour check with examples/testpattern on a headless
# NeferWL. Needs a GPU and /dev/udmabuf; not part of check.
color-check:
	CGO_ENABLED=0 go test -tags colorcheck ./internal/app -run '^TestColorCheck' -count=1 -v

# Arch package of the committed HEAD (packaging/arch/PKGBUILD). Go modules
# come from the module proxy in prepare(); the build itself runs offline.
# pacman-ordered version: 0.0.0.r<commits>.g<hash>; a tag replaces 0.0.0.
pkg: SHELL := bash
pkg: .SHELLFLAGS := -eo pipefail -c
pkg:
	@test -z "$$(git status --porcelain)" || echo "warning: uncommitted changes are not packaged" >&2
	v=$$(t=$$(git describe --tags --abbrev=0 2>/dev/null | sed 's/^v//; s/-/_/g'); \
		echo "$${t:-0.0.0}.r$$(git rev-list --count HEAD).g$$(git rev-parse --short HEAD)"); \
	d=$$(mktemp -d /tmp/neferwl-pkg.XXXXXX); trap 'rm -rf "$$d"' EXIT; \
	git archive --prefix=neferwl-$$v/ -o "$$d/neferwl-$$v.tar.gz" HEAD; \
	cp packaging/arch/PKGBUILD packaging/neferwl.install "$$d/"; \
	cd "$$d" && sed -i "s/^pkgver=.*/pkgver=$$v/; s/^sha256sums=.*/sha256sums=('$$(sha256sum *.tar.gz | cut -d' ' -f1)')/" PKGBUILD; \
	makepkg -f --noconfirm; mkdir -p $(CURDIR)/dist; rm -f $(CURDIR)/dist/neferwl-*.pkg.tar.zst; mv *.pkg.tar.zst $(CURDIR)/dist/
	@ls dist/*.pkg.tar.zst

# Build the package, then install it with pacman (asks for sudo).
install: pkg
	sudo pacman -U dist/neferwl-*.pkg.tar.zst