SERVER_OUT := "bin/server"
CLIENT_OUT := "../bin/client"
API_OUT := "api/api.pb.go"
API_REST_OUT := "api/api.pb.gw.go"
API_SWAG_OUT := "api/api.swagger.json"
CLIENT_PKG_BUILD := "client/"

.PHONY: all api server client

all: server client

api/api.pb.go: api/api.proto
	@protoc -I api/ \
		-I${GOPATH}/src \
		-I${GOPATH}/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis \
		--go_out=plugins=grpc:api \
		api/api.proto

api/api.pb.gw.go: api/api.proto
	@protoc -I api/ \
		-I${GOPATH}/src \
		-I${GOPATH}/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis \
		--grpc-gateway_out=logtostderr=true:api \
		api/api.proto

api/api.swagger.json: api/api.proto
	@protoc -I api/ \
		-I${GOPATH}/src \
		-I${GOPATH}/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis \
		--swagger_out=logtostderr=true:api \
		api/api.proto

api: api/api.pb.go api/api.pb.gw.go api/api.swagger.json ## Auto-generate grpc go sources

server: api ## Build the binary file for server
	@go build -i -v -o $(SERVER_OUT)

client: api ## Build the binary file for client
	@cd client; go build -i -v -o $(CLIENT_OUT)

clean: ## Remove previous builds
	@rm $(SERVER_OUT) $(CLIENT_OUT) $(API_OUT) $(API_REST_OUT) $(API_SWAG_OUT)

help: ## Display this help screen
	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'