SHELL = /bin/bash -euo pipefail
PWD = $(shell pwd)
export PATH := $(PWD)/bin:$(PATH)

# constants
GOLANGCI_VERSION = 2.8.0

all: download build ## Initializes all tools and files
all/ci: ado-git-setup all

out:
	@mkdir -pv "$(@)"

build: out ## do nothing

.PHONY: build/%
build/%: out ## do nothing

download:
	@go mod download

fmt:
	@go fmt ./...

GOLANGCI_LINT = bin/golangci-lint-$(GOLANGCI_VERSION)
$(GOLANGCI_LINT):
	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | bash -s -- -b bin v$(GOLANGCI_VERSION)
	@mv bin/golangci-lint "$(@)"

lint: fmt $(GOLANGCI_LINT) download ## Lints all code with golangci-lint
	@$(GOLANGCI_LINT) run

lint/fix: fmt $(GOLANGCI_LINT) download ## Fixes automatically fixable things like imports for the defined lint rules
	@$(GOLANGCI_LINT) run --fix

lint/reports: fmt $(GOLANGCI_LINT) download ## Fixes automatically fixable things like imports for the defined lint rules
	@$(GOLANGCI_LINT) run ./... --output.checkstyle.path stdout | awk '!/0 issues./' > out/lint.xml

test-clean:
	@go clean -testcache

tidy:
	@go mod tidy

test:
	@go test ./...

coverage: out/report.json ## Displays coverage per func on cli
	go tool cover -func=out/cover.out

html-coverage: out/report.json ## Displays the coverage results in the browser
	go tool cover -html=out/cover.out

test-reports: out/report.json

.PHONY: out/report.json
out/report.json: out
	go test -v $$(go list ./... | grep -v '/tests') -tags=unit -coverprofile=out/cover.out -json | tee "$(@)"

clean:
	@rm -rf bin out

.PHONY: ado-git-setup
ado-git-setup:
    # Add "dev.azure.com/schwarzit" to GOPRIVATE if not present
	@priv="$$(go env GOPRIVATE)"; \
	[[ "$$priv" =~ '(^|,)dev\.azure\.com(/|,|$)' ]] || go env -w "GOPRIVATE=$${priv:+$$priv,}dev.azure.com/schwarzit"
    # Configure HTTPS (with PAT) or SSH access to Go import paths
	@if [[ -n "$${ADO_PAT:+x}" ]]; then \
		git config --global "url.https://schwarzit:$${ADO_PAT}@dev.azure.com/schwarzit/.insteadof" 'https://dev.azure.com/schwarzit/'; \
	else \
		git config --global 'url.git@ssh.dev.azure.com:v3/schwarzit.insteadOf' 'https://dev.azure.com/schwarzit'; \
	fi

help:
	@echo 'Usage: make <OPTIONS> ... <TARGETS>'
	@echo ''
	@echo 'Available targets are:'
	@echo ''
	@grep -E '^[ a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | \
	awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
	@echo ''