#!/usr/bin/make -f

STATICCHECK_VERSION ?= 2024.1.1
LINT_VERSION ?= 1.60.3

BIN = bin
OUTPUT_LINT_DIR ?= $(abspath $(BIN))/linters
LINT_DIR = $(OUTPUT_LINT_DIR)/golangci-lint-$(LINT_VERSION)
TMP_DIR := .cache

STATICCHECK_DIR ?= $(abspath $(BIN))/staticcheck
STATICCHECK_VERSION_DIR ?= $(STATICCHECK_DIR)/$(STATICCHECK_VERSION)

GOFUMPT_VERSION ?= v0.7.0
GOFUMPT_DIR ?= $(abspath $(BIN))/gofumpt
GOFUMPT_VERSION_DIR ?= $(GOFUMPT_DIR)/$(GOFUMPT_VERSION)

GOPLS_VERSION ?= v0.16.2
GOPLS_DIR ?= $(abspath $(BIN))/gopls
GOPLS_VERSION_DIR ?= $(GOPLS_DIR)/$(GOPLS_VERSION)
GOPLS_TEMP_FILE := $(shell mktemp)

test:
	go test -count=1 -v ./...

# Install linters
lint-install:
	@rm -rf $(OUTPUT_LINT_DIR)
	@mkdir -p $(OUTPUT_LINT_DIR)
	@CGO_ENABLED=1 GOBIN=$(LINT_DIR) go install -trimpath github.com/golangci/golangci-lint/cmd/golangci-lint@v$(LINT_VERSION)

# Run linters
lint:
	@if [ ! -d "$(LINT_DIR)" ]; then \
		make lint-install; \
	fi
	$(LINT_DIR)/golangci-lint run

# Install staticcheck
staticcheck-install:
	@rm -rf $(STATICCHECK_DIR)
	@mkdir -p $(STATICCHECK_DIR)
	@GOBIN=$(STATICCHECK_VERSION_DIR) go install honnef.co/go/tools/cmd/staticcheck@$(STATICCHECK_VERSION)

# Run staticcheck
staticcheck-run:
	@if [ ! -d "$(STATICCHECK_VERSION_DIR)" ]; then \
		make staticcheck-install; \
	fi
	@$(STATICCHECK_VERSION_DIR)/staticcheck ./...

# Install gopls
gopls-install:
	@rm -rf $(GOPLS_DIR)
	@mkdir -p $(GOPLS_DIR)
	@GOBIN=$(GOPLS_VERSION_DIR) go install golang.org/x/tools/gopls@$(GOPLS_VERSION)

# Run gopls
gopls-run:
	@if [ ! -d "$(GOPLS_VERSION_DIR)" ]; then \
		make gopls-install; \
	fi
	$(GOPLS_VERSION_DIR)/gopls check $(SOURCES) 2>&1 >$(GOPLS_TEMP_FILE)
	@if [[ $$(wc -l < $(GOPLS_TEMP_FILE)) -ne 0 ]]; then \
		cat $(GOPLS_TEMP_FILE); \
		exit 1; \
	fi
	rm $(GOPLS_TEMP_FILE)

# Install gofumpt
fumpt-install:
	@rm -rf $(GOFUMPT_DIR)
	@mkdir -p $(GOFUMPT_DIR)
	@GOBIN=$(GOFUMPT_VERSION_DIR) go install mvdan.cc/gofumpt@$(GOFUMPT_VERSION)

# Run gofumpt
fumpt:
	@if [ ! -d "$(GOFUMPT_VERSION_DIR)" ]; then \
		make fumpt-install; \
	fi
	@echo "⇒ Processing gofumpt check"
	$(GOFUMPT_VERSION_DIR)/gofumpt -l -w .