Makefile

PKG_NAME := main

# Commands 
GO := go
GOFMT := gofmt
GOLINT := golint
GOVET := go vet
GOTEST := go test
GOCOVER := go tool cover

# Flags
GOFLAGS := -v
GOFMTFLAGS := -s
GOLINTFLAGS := -set_exit_status
GOVETFLAGS := -all
GOTESTFLAGS := -v
GOCOVERFLAGS := -html

# Directories and Files
TEMP_DIR := ./tmp
COVERAGE_PROFILE := cover.out
BINARY := $(TEMP_DIR)/$(PKG_NAME)
EXAMPLE_DIR := ./examples
EXAMPLE_SCRIPT := $(EXAMPLE_DIR)/generate.sh
EXAMPLE_MAIN := $(EXAMPLE_DIR)/main.go

.PHONY: all
all: build test

.PHONY: fmt
fmt:
	$(GOFMT) $(GOFMTFLAGS) -w .

.PHONY: lint
lint:
	$(GOLINT) $(GOLINTFLAGS) ./...

.PHONY: vet
vet:
	$(GOVET) $(GOVETFLAGS) ./...

.PHONY: clean
clean:
	rm -f $(TEMP_DIR)/*

.PHONY: build
build: vet
	$(GO) build $(GOFLAGS) -o $(BINARY)

.PHONY: test
test:
	$(GOTEST) $(GOTESTFLAGS) ./...

.PHONY: cover
cover:
	mkdir -p $(TEMP_DIR)
	$(GOTEST) $(GOTESTFLAGS) -coverprofile=$(COVERAGE_PROFILE) -outputdir=$(TEMP_DIR) `go list ./... | grep -v ./internal | grep -v ./examples`
	$(GOCOVER) $(GOCOVERFLAGS) $(TEMP_DIR)/$(COVERAGE_PROFILE)

.PHONY: generate-example
generate-example:
	@if [ -x $(EXAMPLE_SCRIPT) ]; then \
		$(EXAMPLE_SCRIPT); \
	else \
		echo "$(EXAMPLE_SCRIPT) does not exist or is not executable"; \
		exit 1; \
	fi

.PHONY: run-example
run-example:
	$(GO) run $(EXAMPLE_MAIN)

.PHONY: help
help:
	@echo "Usage: make <target>"
	@echo "Targets:"
	@echo "  all     - build and test"
	@echo "  fmt     - format source code"
	@echo "  lint    - lint source code"
	@echo "  vet     - vet source code"
	@echo "  clean   - clean up"
	@echo "  build   - build binary"
	@echo "  test    - run tests"
	@echo "  cover   - run tests with coverage"
	@echo "  generate-example - generate example"
	@echo "  run-example - run example"
	@echo "  help    - show this help message"