# This Makefile was originally taken from https://github.com/alimac/alimac.io/
# Website hostname, used to set:
# - image and container names
# - path to web root (in /tmp directory)
WEB_BUCKET=bdebyl.net
STATIC_BUCKET=bdebyl.static
STATIC_DIR=static

HUGO_IMAGE_NAME=bdebyl/hugo
HUGO_IMAGE_TAG?=latest
HUGO_IMAGE=$(HUGO_IMAGE_NAME):$(HUGO_IMAGE_TAG)

THUMBR_IMAGE_NAME=bdebyl/thumbr
THUMBR_IMAGE_TAG?=latest
THUMBR_IMAGE?=$(THUMBR_IMAGE_NAME):$(THUMBR_IMAGE_TAG)

AWS_IMAGE_NAME=bdebyl/awscli
AWS_IMAGE_TAG?=latest
AWS_IMAGE=$(AWS_IMAGE_NAME):$(AWS_IMAGE_TAG)

MDLINT_IMAGE_NAME=peterdavehello/markdownlint
MDLINT_IMAGE_TAG?=latest
MDLINT_IMAGE?=$(MDLINT_IMAGE_NAME):$(MDLINT_IMAGE_TAG)
MDLINT_PATH?=content/

# Container Variables
RUN_USER=--user $(shell id -u $$USER):$(shell id -g $$USER)
RUN_VOL=-v $(shell pwd):/src
AWS_ENV=-e "AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID}" -e "AWS_SECRET_ACCESS_KEY=${AWS_SECRET_ACCESS_KEY}" -e "AWS_DEFAULT_REGION=${AWS_DEFAULT_REGION}"

MOUNT_BUCKET?=1

DOCKER_PORT=-p 1313:1313/tcp
DOCKER_RUN=docker run --rm ${RUN_USER} ${RUN_VOL}

# Look up CloudFront distribution ID based on website alias
DISTRIBUTION_ID=$(shell docker run --rm ${AWS_ENV} ${AWS_IMAGE} cloudfront list-distributions \
	--query 'DistributionList.Items[].{id:Id,a:Aliases.Items}[?contains(a,`${WEB_BUCKET}`)].id' \
	--output text)

ifdef DRYRUN
	S3_DRYRUN=--dryrun
endif
ifdef DELETE
	S3_DELETE=--delete
endif
S3_CACHE_CONTROL?=86400
S3_CMD=s3 sync ${S3_DRYRUN} ${S3_DELETE} --cache-control max-age=${S3_CACHE_CONTROL} --acl "public-read" --sse "AES256"
S3_CMD_WEB=${S3_CMD} public/ s3://${WEB_BUCKET}
S3_CMD_STATIC=${S3_CMD} static/ s3://${STATIC_BUCKET}
CLOUDFRONT_PATHS?='/*'
CLOUDFRONT_CMD=cloudfront create-invalidation --distribution-id ${DISTRIBUTION_ID} --paths ${CLOUDFRONT_PATHS}

all: build

build:
	$(DOCKER_RUN) ${HUGO_IMAGE}
.PHONY: build

lint:
	$(DOCKER_RUN) -v $$PWD:/md:ro ${MDLINT_IMAGE} markdownlint ${MDLINT_PATH}
.PHONY: lint

static-pull:
	if [ ! -d "${STATIC_DIR}/static" ]; then aws s3 sync s3://${STATIC_BUCKET} ${STATIC_DIR}/; fi
.PHONY: static-pull

static-push:
	aws ${S3_CMD_STATIC}
.PHONY: static-push

static-images:
	@${DOCKER_RUN} ${THUMBR_IMAGE} ${STATIC_DIR}/static/img
.PHONY: static-images

css-push:
	aws s3 cp --acl "public-read" --sse "AES256" public/dist/style.css s3://${WEB_BUCKET}/dist/style.css
.PHONY: css-push

run: static-pull
	-$(DOCKER_RUN) -it ${DOCKER_PORT} ${HUGO_IMAGE} -D server --bind=0.0.0.0
.PHONY: run

version:
	$(DOCKER_RUN) ${HUGO_IMAGE} version
.PHONY: version

new:
	$(DOCKER_RUN) ${HUGO_IMAGE} new post/"$(shell read -p 'Post Name (i.e. my_post.md): ' pn; echo $$pn)"
.PHONY: new

clean:
	@# Clean up existing generated site
	rm -rf public/ resources/
.PHONY: clean

static-clean:
	if [ -d "${STATIC_DIR}/static" ]; then rm -rfv static/
.PHONY: static-clean

deploy: clean build
	@# Upload files to S3
	@$(DOCKER_RUN) ${AWS_ENV} ${AWS_IMAGE} ${S3_CMD_WEB}
.PHONY: deploy

cache:
	@# Invalidate caches
	@$(DOCKER_RUN) ${AWS_ENV} ${AWS_IMAGE} ${CLOUDFRONT_CMD}
.PHONY: cache