##
# Makefile to help manage docker-compose services
# 
# Built on top of those resources:
# 	https://gist.github.com/iNamik/cafef08f9d931cbf7acb012075052912
# 	https://github.com/krom/docker-compose-makefile/tree/master/samples
#

# Include environment files
include ../.env
include .env
export

THIS_FILE := Makefile
DOCKER         := docker
DOCKER_COMPOSE := docker-compose
DOCKER_COMPOSE_FILES := -f docker-compose.yml
ifeq ($(DOCKER_ENV),staging)
    DOCKER_COMPOSE_FILES := -f docker-compose.yml
endif
ifeq ($(DOCKER_ENV),production)
    DOCKER_COMPOSE_FILES := -f docker-compose.yml
endif

CERT_DOMAIN := api.onyx.local
IMAGE_DEFAULT := onyx-api
CONTAINER_DEFAULT := onyx-api-1
SERVICES_DEFAULT := api

SERVICE_DEFAULT := api

NETWORK := app
NETWORK_PROXY := nginx-proxy

BACKUP_SERVICE := backup
RESTORE_SERVICE := restore

SHELL_CMD := /bin/bash

container ?= $(CONTAINER_DEFAULT)
image ?= $(IMAGE_DEFAULT)
service ?= 
services ?= $(SERVICES_DEFAULT)
test ?= A
package ?= chargers

.DEFAULT_GOAL := help


##
# help
#
help:
ifeq ($(CONTAINER_DEFAULT),)
	$(warning WARNING: CONTAINER_DEFAULT is not set. Please edit makefile)
endif
	@echo
	@echo "Make targets:"
	@echo
	@cat $(THIS_FILE) | \
	sed -n -E 's/^([^.][^: ]+)\s*:(([^=#]*##\s*(.*[^[:space:]])\s*)|[^=].*)$$/   \1	\4/p' | \
	sort -u | \
	expand -t15
	@echo
	@echo
	@echo "Target arguments:"
	@echo
	@echo "  " "service"  "\t" "Target service for docker-compose actions (default=all-services)"
	@echo "  " "       "  "\t" "  - make start"
	@echo "  " "       "  "\t" "  - make start services=app"
	@echo "  " "services" "\t" "Target services for docker-compose actions (default=all-services, space separated)"
	@echo "  " "       "  "\t" "  - make stop services='app mysql'"
	@echo "  " "container""\t" "Target container for docker actions (default='$(CONTAINER_DEFAULT)')"
	@echo "  " "       "  "\t" "  - make bash container=$(container)"
	@echo "  " "image" "\t" "Target image for interactive shell (default='$(IMAGE_DEFAULT)')"
	@echo "  " "       "  "\t" "  - make it image=$(image)"
	@echo "  " "test" "\t" "Run custom test (default='$(test)')"
	@echo "  " "       "  "\t" "  - make test test=$(test)"
	@echo "  " "testdlv" "\t" "Run a 'dlv test' with a custom package (default='$(package)')"
	@echo "  " "       "  "\t" "  - make testdlv package=$(package)"

##
# services
#
services: ## Lists services
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) ps --services


##
# start
#
all: dev  ## See 'dev'
start: dev  ## See 'dev'
dev:  ## Start containers for development [service|services]
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) up -d $(services)
	$(MAKE) logs


##
# stop
#
stop:  ## Stop containers [service|services]
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) stop $(services)


##
# restart
#
restart:  ## Restart containers [service|services]
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) restart $(services)
	$(MAKE) logs


##
# down
#
down:  ## Removes containers (preserves images and volumes)
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) down


create-network:
ifeq ($(DOCKER_ENV),local)
		@echo
		@echo "Creating proper network ($(NETWORK)) for the project"
		@$(DOCKER) network create $(NETWORK) 2> /dev/null || true
		@echo "Creating proper network ($(NETWORK_PROXY)) for the nginx proxy"
		@$(DOCKER) network create $(NETWORK_PROXY) 2> /dev/null || true
endif

##
# build
#
build: create-network  ## Builds service images [service|services]
ifeq ($(DOCKER_ENV),local)
	if [ ! -d "_data/certs" ]; then mkdir -p "_data/certs"; fi
	test -f _data/certs/$(CERT_DOMAIN).key && test -f _data/certs/$(CERT_DOMAIN).crt || mkcert -key-file _data/certs/$(CERT_DOMAIN).key -cert-file _data/certs/$(CERT_DOMAIN).crt $(CERT_DOMAIN) "*.$(CERT_DOMAIN)"
endif
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) build $(services)


##
# rebuild
#
rebuild:  ## Build containers without cache [service|services]
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) build --no-cache $(services)


##
# ps
#
status: ps  ## See 'ps'
ps:  ## Show status of containers
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) ps

##
# interact
#
interact: it  ## See 'it'
it:  ## Run a new container in interactive mode. Needs image name [image]
ifeq ($(image),)
	$(error ERROR: 'image' is not set. Please provide 'image=' argument or edit makefile and set CONTAINER_DEFAULT)
endif
	@echo
	@echo "Starting interactive shell ($(SHELL_CMD)) in image container '$(image)'"
	@$(DOCKER) run -it --entrypoint "$(SHELL_CMD)" $(image)


##
# bash
#
sh: bash  ## See 'bash'
shell: bash  ## See 'bash'
bash:  ## Brings up a shell in default (or specified) container [container]
ifeq ($(container),)
	$(error ERROR: 'container' is not set. Please provide 'container=' argument or edit makefile and set CONTAINER_DEFAULT)
endif
	@echo
	@echo "Starting shell ($(SHELL_CMD)) in container '$(container)'"
	@$(DOCKER) exec -it "$(container)" "$(SHELL_CMD)"


##
# attach
#
at: attach  ## See 'attach'
attach:  ## Attach to a running container [container]
ifeq ($(container),)
	$(error ERROR: 'container' is not set. Please provide 'container=' argument or edit makefile and set CONTAINER_DEFAULT)
endif
	@echo
	@echo "Attaching to '$(container)'"
	@$(DOCKER) attach $(container)


##
# log
#
log:  ## Shows log from a specific container (in 'follow' mode) [container]
ifeq ($(container),)
	$(error ERROR: 'container' is not set. Please provide 'container=' argument or edit makefile and set CONTAINER_DEFAULT)
endif
	@echo
	@echo "Log in $(container)"
	 @$(DOCKER) logs -f $(container)


##
# logs
#
logs:  ## Shows output of running containers (in 'follow' mode) [service|services]
	@echo
	@echo "Logs in $(services)"
	 @$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) logs -f $(services)


##
# rmimages
#
rmimages:  ## Remove images
	@echo
	@echo "Remove local images"
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) down --rmi local


##
# rmvols
#
rmvols:  ## Remove volumes
	@echo
	@echo "Remove named volumes declared in the volumes section of the Compose file and anonymous volumes attached to containers"
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) down -v


##
# rm
#
rm:  rmimages rmvols  ## Remove volumes and images

##
# clean
#
clean:  ## Remove containers, images and volumes
	@echo
	@echo "Remove containers, images and volumes"
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) down --volumes --rmi all


##
# backup
#
backup:  ## Run 'backup' service
	@echo
	@echo "Running '$(BACKUP_SERVICE)'"
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) run $(BACKUP_SERVICE)


##
# restore
#
restore:  ## Run 'restore' service
	@echo
	@echo "Running '$(BACKUP_SERVICE)'"
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) run $(RESTORE_SERVICE)

##
# tests
#
tests:  ## Run all the battery tests
	@echo
	@echo "Running tests"
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) run --rm tests

##
# test
#
test:  ## Run 'tests' service with a custom test [test=A]
ifneq ($(DOCKER_ENV),production)
	@echo
	@echo "Running test $(test)"
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) run --rm tests gotest -v -run $(test) ./...
endif


##
# testdlv
#
testdlv:  ## Run a 'dlv test' with a custom package for debug purposes [package=chargers]
ifneq ($(DOCKER_ENV),production)
	@echo
	@echo "Running test $(test)"
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) run --rm tests dlv test /code/internal/$(package)
endif


##
# recreate_test_db
#
recreate_test_db:  ## Recrete test db
ifneq ($(DOCKER_ENV),production)
	@echo
	@echo "Recreate test db from init sql schemas"
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) stop $(MYSQL_TEST)
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) rm $(MYSQL_TEST)
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) up -d $(MYSQL_TEST)
endif


##
# dumplog
#
dumplog:  ## Run 'dumplog' [service|services]
	if [ ! -d "_data/logs" ]; then mkdir -p "_data/logs"; fi
	@echo
	@echo "Running 'dumplog'"
	@$(DOCKER_COMPOSE) $(DOCKER_COMPOSE_FILES) logs --no-color --since 24h --timestamps $(services)


.PHONY: help services all start dev stop restart down create-network build rebuild status ps interact it sh shell bash at attach log logs rm rmimages rmvols clean backup restore tests test testdlv recreate_test_db dumplog