PY?=python3
PELICAN?=pelican
PELICANOPTS=

BASEDIR=$(CURDIR)
CONFFILE=$(BASEDIR)/pelicanconf.py
PUBLISHCONF=$(BASEDIR)/publishconf.py
OUTPUTDIR=$(BASEDIR)/output
OUTPUTDIR_THEME=$(OUTPUTDIR)/theme
OUTPUTDIR_PHOTOS=$(OUTPUTDIR)/photos
OUTPUTDIR_VIDEOS=$(OUTPUTDIR)/videos

ifeq ($(PELICAN_CONTENT),)
 INPUTDIR=$(BASEDIR)/content
else
 INPUTDIR=$(PELICAN_CONTENT)
endif

FTP_HOST=localhost
FTP_USER=anonymous
FTP_TARGET_DIR=/

SSH_HOST=localhost
SSH_PORT=22
SSH_USER=root
SSH_TARGET_DIR=/var/www

S3_BUCKET=my_s3_bucket

CLOUDFILES_USERNAME=my_rackspace_username
CLOUDFILES_API_KEY=my_rackspace_api_key
CLOUDFILES_CONTAINER=my_cloudfiles_container

DROPBOX_DIR=~/Dropbox/Public/

GITHUB_PAGES_BRANCH=gh-pages

INSTALLSUDO ?= 0
ifeq ($(INSTALLSUDO),1)
 SUDO := sudo -E
endif
INSTALLFLAGS := $(INSTALLFLAGS) -rXaA
INSTALLDIR ?=
# Copy the whole directory theme
INSTALLDIR_THEME ?=
# Copy contents only
INSTALLDIR_PHOTOS ?=
INSTALLDIR_VIDEOS ?=

DEBUG ?= 0
ifeq ($(DEBUG), 1)
	PELICANOPTS += -D
endif

RELATIVE ?= 0
ifeq ($(RELATIVE), 1)
	PELICANOPTS += --relative-urls
endif

help:
	@echo 'Makefile for a pelican Web site                                           '
	@echo '                                                                          '
	@echo 'Usage:                                                                    '
	@echo '   make html                           (re)generate the web site          '
	@echo '   make clean-html                     remove all html files and folders  '
	@echo '   make clean-theme                    remove output/theme                '
	@echo '   make clean-photos                   remove output/photos               '
	@echo '   make clean-videos                   remove output/videos               '
	@echo '   make distclean                      remove output and __pycache__      '
	@echo '   make clean                          remove output folder               '
	@echo '   make regenerate                     regenerate files upon modification '
	@echo '   make publish                        generate using production settings '
	@echo '   make serve [PORT=8000]              serve site at http://localhost:8000'
	@echo '   make serve-global [SERVER=0.0.0.0]  serve (as root) to $(SERVER):80    '
	@echo '   make devserver [PORT=8000]          start/restart develop_server.sh    '
	@echo '   make stopserver                     stop local server                  '
	@echo '   make ssh_upload                     upload the web site via SSH        '
	@echo '   make rsync_upload                   upload the web site via rsync+ssh  '
	@echo '   make dropbox_upload                 upload the web site via Dropbox    '
	@echo '   make ftp_upload                     upload the web site via FTP        '
	@echo '   make s3_upload                      upload the web site via S3         '
	@echo '   make cf_upload                      upload the web site via Cloud Files'
	@echo '   make github                         upload the web site via gh-pages   '
	@echo '   make install-html                   copy *.html, html folders locally  '
	@echo '   make install-theme                  copy output/theme locally          '
	@echo '   make install-photos                 copy output/photos locally         '
	@echo '   make install-videos                 copy output/videos locally         '
	@echo '   make install                        copy output/* locally              '
	@echo '                                                                          '
	@echo 'Set the DEBUG variable to 1 to enable debugging, e.g. make DEBUG=1 html   '
	@echo 'Set the RELATIVE variable to 1 to enable relative urls                    '
	@echo '                                                                          '

html:
	$(PELICAN) $(INPUTDIR) -o $(OUTPUTDIR) -s $(CONFFILE) $(PELICANOPTS)

clean-html:
	find "$(OUTPUTDIR)" -type f -name *.html -delete
	find "$(OUTPUTDIR)" -type d -empty -delete

clean-theme:
	[ ! -d "$(OUTPUTDIR_THEME)" ] || rm -rf $(OUTPUTDIR_THEME)

clean-photos:
	[ ! -d "$(OUTPUTDIR_PHOTOS)" ] || rm -rf $(OUTPUTDIR_PHOTOS)

clean-videos:
	[ ! -d "$(OUTPUTDIR_VIDEOS)" ] || rm -rf $(OUTPUTDIR_VIDEOS)

clean:
	[ ! -d "$(OUTPUTDIR)" ] || rm -rf $(OUTPUTDIR)

distclean: clean
	find $(BASEDIR) -type d -name "__pycache__" -exec rm -rf '{}' '+'

regenerate:
	$(PELICAN) -r $(INPUTDIR) -o $(OUTPUTDIR) -s $(CONFFILE) $(PELICANOPTS)

serve:
ifdef PORT
	cd $(OUTPUTDIR) && $(PY) -m pelican.server $(PORT)
else
	cd $(OUTPUTDIR) && $(PY) -m pelican.server
endif

serve-global:
ifdef SERVER
	cd $(OUTPUTDIR) && $(PY) -m pelican.server 80 $(SERVER)
else
	cd $(OUTPUTDIR) && $(PY) -m pelican.server 80 0.0.0.0
endif


devserver:
ifdef PORT
	$(BASEDIR)/develop_server.sh restart $(PORT)
else
	$(BASEDIR)/develop_server.sh restart
endif

stopserver:
	$(BASEDIR)/develop_server.sh stop
	@echo 'Stopped Pelican and SimpleHTTPServer processes running in background.'

publish:
	$(PELICAN) $(INPUTDIR) -o $(OUTPUTDIR) -s $(PUBLISHCONF) $(PELICANOPTS)

ssh_upload: publish
	scp -P $(SSH_PORT) -r $(OUTPUTDIR)/* $(SSH_USER)@$(SSH_HOST):$(SSH_TARGET_DIR)

rsync_upload: publish
	rsync -e "ssh -p $(SSH_PORT)" -P -rvzc --delete $(OUTPUTDIR)/ $(SSH_USER)@$(SSH_HOST):$(SSH_TARGET_DIR) --cvs-exclude

dropbox_upload: publish
	cp -r $(OUTPUTDIR)/* $(DROPBOX_DIR)

ftp_upload: publish
	lftp ftp://$(FTP_USER)@$(FTP_HOST) -e "mirror -R $(OUTPUTDIR) $(FTP_TARGET_DIR) ; quit"

s3_upload: publish
	s3cmd sync $(OUTPUTDIR)/ s3://$(S3_BUCKET) --acl-public --delete-removed --guess-mime-type --no-mime-magic --no-preserve

cf_upload: publish
	cd $(OUTPUTDIR) && swift -v -A https://auth.api.rackspacecloud.com/v1.0 -U $(CLOUDFILES_USERNAME) -K $(CLOUDFILES_API_KEY) upload -c $(CLOUDFILES_CONTAINER) .

github: publish
	ghp-import -m "Generate Pelican site" -b $(GITHUB_PAGES_BRANCH) $(OUTPUTDIR)
	git push origin $(GITHUB_PAGES_BRANCH)

install-html:
	[ -d "$(OUTPUTDIR)" ] && [ -d "$(INSTALLDIR)" ] && \
	$(SUDO) rsync $(INSTALLFLAGS) \
	--exclude=$(notdir $(OUTPUTDIR_THEME)) \
	--exclude=$(notdir $(OUTPUTDIR_PHOTOS)) \
	--exclude=$(notdir $(OUTPUTDIR_VIDEOS)) \
	$(OUTPUTDIR)/* $(INSTALLDIR)

install-theme:
	[ -d "$(OUTPUTDIR_THEME)" ] && [ -d "$(INSTALLDIR_THEME)" ] && \
	$(SUDO) rsync $(INSTALLFLAGS) $(OUTPUTDIR_THEME) $(INSTALLDIR_THEME)/

install-photos:
	[ ! -d "$(OUTPUTDIR_PHOTOS)" ] && { echo "Nothing to do for: install-photos"; \
	exit 0; } || [ -d "$(INSTALLDIR_PHOTOS)" ] && \
	$(SUDO) rsync $(INSTALLFLAGS) $(OUTPUTDIR_PHOTOS)/ $(INSTALLDIR_PHOTOS)

install-videos:
	[ ! -d "$(OUTPUTDIR_VIDEOS)" ] && { echo "Nothing to do for: install-videos"; \
	exit 0; } || [ -d "$(INSTALLDIR_VIDEOS)" ] && \
	$(SUDO) rsync $(INSTALLFLAGS) $(OUTPUTDIR_VIDEOS)/ $(INSTALLDIR_VIDEOS)

install: install-html install-theme install-photos install-videos


.PHONY: html help clean clean-html clean-theme clean-photos regenerate serve serve-global devserver stopserver publish ssh_upload rsync_upload dropbox_upload ftp_upload s3_upload cf_upload github install install-html install-theme install-photos