NAME            := k9s
VERSION         ?= v0.50.16
PACKAGE         := github.com/derailed/$(NAME)
OUTPUT_BIN      ?= execs/${NAME}
GO_FLAGS        ?=
GO_TAGS	        ?= netgo
CGO_ENABLED     ?=0
GIT_REV         ?= $(shell git rev-parse --short HEAD)

IMG_NAME        := derailed/k9s
IMAGE           := ${IMG_NAME}:${VERSION}
BUILD_PLATFORMS ?= linux/amd64,linux/arm64

SOURCE_DATE_EPOCH ?= $(shell date +%s)
ifeq ($(shell uname), Darwin)
DATE            ?= $(shell TZ=UTC /bin/date -j -f "%s" ${SOURCE_DATE_EPOCH} +"%Y-%m-%dT%H:%M:%SZ")
else
DATE            ?= $(shell date -u -d @${SOURCE_DATE_EPOCH} +"%Y-%m-%dT%H:%M:%SZ")
endif

default: help

test:                    ## Run all tests
	@go clean --testcache && go test ./...

cover:                   ## Run test coverage suite
	@go test ./... --coverprofile=cov.out
	@go tool cover --html=cov.out

build:                   ## Builds the CLI
	@CGO_ENABLED=${CGO_ENABLED} go build ${GO_FLAGS} \
	-ldflags "-w -s -X ${PACKAGE}/cmd.version=${VERSION} -X ${PACKAGE}/cmd.commit=${GIT_REV} -X ${PACKAGE}/cmd.date=${DATE}" \
	-a -tags=${GO_TAGS} -o ${OUTPUT_BIN} main.go

kubectl-stable-version:  ## Get kubectl latest stable version
	@curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt

imgx:                    ## Build Docker Image
	@docker buildx build --platform ${BUILD_PLATFORMS} --rm -t ${IMAGE} --load .

pushx:                   ## Push Docker image to registry
	@docker buildx build --platform ${BUILD_PLATFORMS} --rm -t ${IMAGE} --push .

help:
	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":[^:]*?## "}; {printf "\033[38;5;69m%-30s\033[38;5;38m %s\033[0m\n", $$1, $$2}'