include .bingo/Variables.mk

SHELL=/usr/bin/env bash

PROVIDER_MODULES ?= $(shell find $(PWD)/providers/  -name "go.mod" | grep -v ".bingo" | xargs dirname)
MODULES          ?= $(PROVIDER_MODULES) $(PWD) $(PWD)/examples
GO_FILES_TO_FMT  ?= $(shell find . -path -prune -o -name '*.go' -print)

GOBIN             ?= $(firstword $(subst :, ,${GOPATH}))/bin

TMP_GOPATH        ?= /tmp/gopath

GO111MODULE       ?= on
export GO111MODULE
GOPROXY           ?= https://proxy.golang.org
export GOPROXY

define require_clean_work_tree
	@git update-index -q --ignore-submodules --refresh

    @if ! git diff-files --quiet --ignore-submodules --; then \
        echo >&2 "cannot $1: you have unstaged changes."; \
        git diff-files --name-status -r --ignore-submodules -- >&2; \
        echo >&2 "Please commit or stash them."; \
        exit 1; \
    fi

    @if ! git diff-index --cached --quiet HEAD --ignore-submodules --; then \
        echo >&2 "cannot $1: your index contains uncommitted changes."; \
        git diff-index --cached --name-status -r --ignore-submodules HEAD -- >&2; \
        echo >&2 "Please commit or stash them."; \
        exit 1; \
    fi

endef

all: fmt proto lint test

.PHONY: fmt
fmt: $(GOIMPORTS)
	@echo ">> formatting go code"
	@gofmt -s -w $(GO_FILES_TO_FMT)
	@for file in $(GO_FILES_TO_FMT) ; do \
		./goimports.sh "$${file}"; \
	done
	@$(GOIMPORTS) -w $(GO_FILES_TO_FMT)

.PHONY: test
test:
	go test ./...

.PHONY: deps
deps:
	@echo "Running deps tidy for all modules: $(MODULES)"
	for dir in $(MODULES) ; do \
  		echo "$${dir}"; \
		cd $${dir} && go mod tidy; \
	done

.PHONY: docs
docs: $(MDOX) ## Generates code snippets, doc formatting and check links.
	@echo ">> generating docs $(PATH)"
	@$(MDOX) fmt -l --links.validate.config-file=$(MDOX_VALIDATE_CONFIG) *.md

.PHONY: check-docs
check-docs: $(MDOX) ## Generates code snippets and doc formatting and checks links.
	@echo ">> checking docs $(PATH)"
	@$(MDOX) fmt --check -l --links.validate.config-file=$(MDOX_VALIDATE_CONFIG) *.md

.PHONY: lint
# PROTIP:
# Add
#      --cpu-profile-path string   Path to CPU profile output file
#      --mem-profile-path string   Path to memory profile output file
# to debug big allocations during linting.
lint: ## Runs various static analysis tools against our code.
lint: $(BUF) $(COPYRIGHT) fmt docs
	@echo ">> lint proto files"
	@$(BUF) lint

	@echo ">> ensuring copyright headers"
	@$(COPYRIGHT) $(shell go list -f "{{.Dir}}" ./... | xargs -i find "{}" -name "*.go")
	@$(call require_clean_work_tree,"set copyright headers")
	@echo ">> ensured all .go files have copyright headers"

	@echo "Running lint for all modules: $(MODULES)"
	@$(call require_clean_work_tree,"before lint")
	$(MAKE) $(MODULES:%=lint_module_%)
	@$(call require_clean_work_tree,"lint and format files")

.PHONY: lint_module_%
# PROTIP:
# Add
#      --cpu-profile-path string   Path to CPU profile output file
#      --mem-profile-path string   Path to memory profile output file
# to debug big allocations during linting.
lint_module_%: ## Runs various static analysis against our code.
$(MODULES:%=lint_module_%): lint_module_%: $(GOLANGCI_LINT) $(MISSPELL)
	
	@echo ">> examining all of the Go files"
	@cd $* && go vet -stdmethods=false ./...
	
	@echo ">> linting all of the Go files GOGC=${GOGC}"
	@cd $* && $(GOLANGCI_LINT) run
	@$(call require_clean_work_tree,"golangci lint")


# For protoc naming matters.
PROTOC_GEN_GO_CURRENT := $(TMP_GOPATH)/protoc-gen-go
PROTOC_GEN_GO_GRPC_CURRENT := $(TMP_GOPATH)/protoc-gen-go-grpc
PROTO_TEST_DIR := testing/testpb/v1

.PHONY: proto
proto: ## Generate testing protobufs
proto: $(BUF) $(PROTOC_GEN_GO) $(PROTOC_GEN_GO_GRPC) $(PROTO_TEST_DIR)/test.proto
	@mkdir -p $(TMP_GOPATH)
	@cp $(PROTOC_GEN_GO) $(PROTOC_GEN_GO_CURRENT)
	@cp $(PROTOC_GEN_GO_GRPC) $(PROTOC_GEN_GO_GRPC_CURRENT)
	@echo ">> generating $(PROTO_TEST_DIR)"
	@PATH=$(GOBIN):$(TMP_GOPATH) $(BUF) alpha protoc \
		-I $(PROTO_TEST_DIR) \
		--go_out=$(PROTO_TEST_DIR)/../ \
		--go-grpc_out=$(PROTO_TEST_DIR)/../ \
	    $(PROTO_TEST_DIR)/*.proto

.PHONY: buf.gen
buf.gen:
	@$(BUF) generate \
           --template ./testing/testvalidate/testvalidate.buf.gen.yaml \
           --path ./testing/testvalidate/v1