PKG := github.com/lightninglabs/pool
ESCPKG := github.com\/lightninglabs\/pool

LINT_PKG := github.com/golangci/golangci-lint/cmd/golangci-lint
GOVERALLS_PKG := github.com/mattn/goveralls
GOACC_PKG := github.com/ory/go-acc

GO_BIN := ${GOPATH}/bin
GOVERALLS_BIN := $(GO_BIN)/goveralls
LINT_BIN := $(GO_BIN)/golangci-lint
GOACC_BIN := $(GO_BIN)/go-acc

LINT_COMMIT := v1.18.0
GOACC_COMMIT := ddc355013f90fea78d83d3a6c71f1d37ac07ecd5

DEPGET := cd /tmp && go get -v
GOBUILD := go build -v
GOINSTALL := go install -v
GOTEST := go test -v

GOFILES_NOVENDOR = $(shell find . -type f -name '*.go' -not -path "./vendor/*")
GOLIST := go list -deps $(PKG)/... | grep '$(PKG)'| grep -v '/vendor/'
GOLISTCOVER := $(shell go list -deps -f '{{.ImportPath}}' ./... | grep '$(PKG)' | sed -e 's/^$(ESCPKG)/./')

COMMIT := $(shell git describe --abbrev=40 --dirty)
LDFLAGS := -X $(PKG).Commit=$(COMMIT)

RM := rm -f
CP := cp
MAKE := make
XARGS := xargs -L 1

include make/testing_flags.mk
include make/release_flags.mk

# For the release, we want to remove the symbol table and debug information (-s)
# and omit the DWARF symbol table (-w). Also we clear the build ID.
RELEASE_LDFLAGS := -s -w -buildid= $(LDFLAGS)

# Linting uses a lot of memory, so keep it under control by limiting the number
# of workers if requested.
ifneq ($(workers),)
LINT_WORKERS = --concurrency=$(workers)
endif

LINT = $(LINT_BIN) run -v $(LINT_WORKERS)

GREEN := "\\033[0;32m"
NC := "\\033[0m"
define print
	echo $(GREEN)$1$(NC)
endef

default: scratch

all: scratch check install

# ============
# DEPENDENCIES
# ============

$(GOVERALLS_BIN):
	@$(call print, "Fetching goveralls.")
	go get -u $(GOVERALLS_PKG)

$(LINT_BIN):
	@$(call print, "Fetching linter")
	$(DEPGET) $(LINT_PKG)@$(LINT_COMMIT)

$(GOACC_BIN):
	@$(call print, "Fetching go-acc")
	$(DEPGET) $(GOACC_PKG)@$(GOACC_COMMIT)

# ============
# INSTALLATION
# ============

build:
	@$(call print, "Building Pool.")
	$(GOBUILD) -ldflags="$(LDFLAGS)" $(PKG)/cmd/pool
	$(GOBUILD) -ldflags="$(LDFLAGS)" $(PKG)/cmd/poold

install:
	@$(call print, "Installing Pool.")
	$(GOINSTALL) -ldflags="$(LDFLAGS)" $(PKG)/cmd/pool
	$(GOINSTALL) -ldflags="$(LDFLAGS)" $(PKG)/cmd/poold

release:
	@$(call print, "Releasing pool and poold binaries.")
	$(VERSION_CHECK)
	./scripts/release.sh build-release "$(VERSION_TAG)" "$(BUILD_SYSTEM)" "" "$(RELEASE_LDFLAGS)"

build-wasm:
	GOOS=js GOARCH=wasm go build -trimpath -ldflags="$(LDFLAGS)" -tags=appengine -v -o pool.wasm $(PKG)/cmd/poold

scratch: build

# =======
# TESTING
# =======

check: unit

unit:
	@$(call print, "Running unit tests.")
	$(UNIT)

unit-cover: $(GOACC_BIN)
	@$(call print, "Running unit coverage tests.")
	$(GOACC_BIN) $(COVER_PKG)

unit-race:
	@$(call print, "Running unit race tests.")
	env CGO_ENABLED=1 GORACE="history_size=7 halt_on_errors=1" $(UNIT_RACE)

goveralls: $(GOVERALLS_BIN)
	@$(call print, "Sending coverage report.")
	$(GOVERALLS_BIN) -coverprofile=coverage.txt -service=travis-ci

travis-cover: unit-cover goveralls

# =============
# FLAKE HUNTING
# =============
flake-unit:
	@$(call print, "Flake hunting unit tests.")
	while [ $$? -eq 0 ]; do GOTRACEBACK=all $(UNIT) -count=1; done

flake-race:
	@$(call print, "Flake hunting race tests.")
	while [ $$? -eq 0 ]; do GOTRACEBACK=all CGO_ENABLED=1 GORACE="history_size=7 halt_on_errors=1" $(UNIT_RACE) -count=1; done

# =========
# UTILITIES
# =========
fmt:
	@$(call print, "Formatting source.")
	gofmt -l -w -s $(GOFILES_NOVENDOR)

lint: $(LINT_BIN)
	@$(call print, "Linting source.")
	$(LINT)

list:
	@$(call print, "Listing commands.")
	@$(MAKE) -qp | \
		awk -F':' '/^[a-zA-Z0-9][^$$#\/\t=]*:([^=]|$$)/ {split($$1,A,/ /);for(i in A)print A[i]}' | \
		grep -v Makefile | \
		sort

rpc:
	@$(call print, "Compiling protos.")
	cd ./poolrpc; ./gen_protos.sh
	cd ./auctioneerrpc; ./gen_protos.sh

rpc-format:
	@$(call print, "Formatting protos.")
	cd ./poolrpc; find . -name "*.proto" | xargs clang-format --style=file -i
	cd ./auctioneerrpc; find . -name "*.proto" | xargs clang-format --style=file -i

clean:
	@$(call print, "Cleaning source.$(NC)")
	$(RM) ./pool
	$(RM) ./poold
	$(RM) coverage.txt