# Binaries
ECHO=echo
KODEV=kodev
MKDIR=mkdir -p
COPY=cp
RM=rm -f
SPP=spp
CD=cd
AWK=awk
GREP=grep
SORT=sort

# Config
worker_chroot = /var/lib/smr/kore_worker
kmgr_chroot = /var/lib/smr/kore_kmgr
parent_chroot = /var/lib/smr/kore_parent
conf_path = /etc/smr

host_config = /etc/smr

ifeq ($(DEV),"true")
	approot=/
	chroot_dir=./kore_chroot$(approot)
else
	approot=/var/smr/
	chroot_dir=$(worker_chroot)$(approot)
endif
mirror=http://dl-cdn.alpinelinux.org/alpine/
arch=aarch64
version=2.12.9
certbot_email=--register-unsafely-without-email
#certbot_email=-m you@cock.li
user=robin
port=8888
domain=test.monster:$(port)
server_cert=cert/server.pem
server_key=cert/key.pem

SPPFLAGS=-D port=$(port) -D kore_chroot=$(chroot_dir) -D chuser=$(user) -D domain=$(domain) -D bin_path="$(bin_path)" -D server_cert="$(server_cert)" -D server_key="$(server_key)" -D worker_chroot="$(worker_chroot)" -D kmgr_chroot="$(kmgr_chroot)" -D approot="$(approot)"
# squelch prints, flip to print verbose information
#Q=@
Q= 
LUAROCKS_FLAGS=--tree $(chroot_dir)/usr/lib/luarocks --lua-version 5.1
chroot_packages=\
	-p luarocks5.1 \
	-p "build-base" \
	-p "ca-certificates" \
	-p ssl_client \
	-p luajit \
	-p "lua5.1-dev" \
	-p "luajit-dev" \
	-p "lua5.1-lpeg" \
	-p sqlite \
	-p "sqlite-dev" \
	-p certbot \
	-p zlib \
	-p "zlib-dev" \
	-p git

lua_packages = \
	lsqlite3 \
	etlua \
	lpeg \
	zlib

# Probably don't change stuff past here if you're just using smr
lua_in_files=$(shell find src/lua/*.in -type f)
lua_files=$(shell find src/lua/*.lua -type f) $(shell find src/lua/endpoints -type f) $(lua_in_files:%.in=%)
src_files=$(shell find src -type f) $(shell find conf -type f)
sql_files=$(shell find src/sql -type f)
test_files=$(shell find spec -type f)
built_tests=$(test_files:%=$(chroot_dir)%)
built_files=$(lua_files:src/lua/%.lua=$(chroot_dir)%.lua)
in_page_files=$(shell find src/pages/*.in -type f)
in_part_files=$(shell find src/pages/parts/*.in -type f)
page_files=$(in_page_files:%.in=%)
part_files=$(in_part_files:%.in=%) $(shell find src/pages/parts/*.etlua -type f)
built_pages=$(page_files:src/pages/%.etlua=$(chroot_dir)pages/%.etlua)
built_sql=$(sql_files:src/sql/%.sql=$(chroot_dir)sql/%.sql)
built=$(built_files) $(built_sql) $(built_pages) $(built_tests)
asset_in_files=$(wildcard assets/*.in -type f)
asset_files=$(asset_in_files:%.in=%)
initscript=/lib/systemd/system/smr.service
config=$(conf_path)/smr.conf
bin_path=$(shell pwd)

help: ## Print this help
	$(Q)$(GREP) -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | $(SORT) | $(AWK) 'BEGIN {FS = ":.*?## "}; {printf "%-10s %s\n", $$1, $$2}'

all: $(chroot_dir) smr.so $(built_files) $(built_pages) $(built_sql) ## Build and run smr in a chroot
	$(Q)$(ECHO) "[running] $@"
	$(Q)$(KODEV) run

conf/smr.conf : conf/smr.conf.in Makefile
	$(Q)$(ECHO) "[preprocess] $@"
	$(Q)$(SPP) -o $@ $(SPPFLAGS) $<

apk-tools-static-$(version).apk:
	wget -q $(mirror)latest-stable/main/$(arch)/apk-tools-static-$(version).apk

clean: ## clean up all the files generated by this makefile
	$(Q)$(ECHO) "[clean] $@"
	$(Q)$(KODEV) clean
	$(Q)$(RM) $(page_files)
	$(Q)$(RM) conf/smr.conf
	$(Q)$(RM) src/pages/parts/story_breif.etlua
	$(Q)$(RM) src/lua/config.lua
	$(Q)$(RM) $(asset_files)

install: $(worker_chroot) $(kmgr_chroot) $(parent_chroot) $(initscript) $(config) smr.so $(built_files) $(built_pages) $(built_sql) ## Install smr into a new host system

$(config) : conf/smr.conf
	$(Q)$(MKDIR) $(host_config)
	$(Q)$(COPY) $< $@

$(initscript) : packaging/systemd/smr.service
	$(Q)$(COPY) $< $@

cloc: ## calculate source lines of code in smr
	cloc --force-lang="HTML",etlua.in src assets

$(chroot_dir):
	$(Q)$(MKDIR) $(chroot_dir)
	$(Q)$(MKDIR) $(chroot_dir)/pages
	$(Q)$(MKDIR) $(chroot_dir)/sql
	$(Q)$(MKDIR) $(chroot_dir)/data
	$(Q)$(MKDIR) $(chroot_dir)/data/archive
	$(Q)$(MKDIR) $(chroot_dir)/endpoints

alpine-chroot-install:
	$(Q)wget https://raw.githubusercontent.com/alpinelinux/alpine-chroot-install/v0.14.0/alpine-chroot-install \
		&& echo 'ccbf65f85cdc351851f8ad025bb3e65bae4d5b06  alpine-chroot-install' | sha1sum -c \
		|| exit 1
	$(Q)chmod +x alpine-chroot-install

$(worker_chroot) $(kmgr_chroot) $(parent_chroot): alpine-chroot-install
	$(Q)export APK_TOOLS_URI="https://gitlab.alpinelinux.org/api/v4/projects/5/packages/generic/v2.12.9/aarch64/apk.static"; \
	export APK_TOOLS_SHA256="0164d47954c8a52e8ed10db1633174974a3b1e4182a1993a5a8343e394ee1bbc"; \
	./alpine-chroot-install -d $@ -a $(arch) -$(chroot_packages)

code : $(built_files)

$(built_files): $(chroot_dir)%.lua : src/lua/%.lua $(chroot_dir)
	$(Q)$(ECHO) "[copy] $@"
	$(Q)$(COPY) $< $@

$(built_pages): $(chroot_dir)pages/%.etlua : src/pages/%.etlua
	$(Q)$(ECHO) "[copy] $@"
	$(Q)$(COPY) $^ $@

src/lua/config.lua : src/lua/config.lua.in Makefile
	$(Q)$(ECHO) "[preprocess] $@"
	$(Q)$(SPP) $(SPPFLAGS) -o $@ $<

$(page_files) : % : %.in $(part_files)
	$(Q)$(ECHO) "[preprocess] $@"
	$(Q)$(SPP) $(SPPFLAGS) -o $@ $<

src/pages/parts/story_breif.etlua : src/pages/parts/story_breif.etlua.in
	$(Q)$(ECHO) "[preprocess] $@"
	$(Q)$(SPP) $(SPPFLAGS) -o $@ $<

$(built_sql): $(chroot_dir)sql/%.sql : src/sql/%.sql
	$(Q)$(ECHO) "[copy] $@"
	$(Q)$(COPY) $^ $@

$(built_tests) : $(chroot_dir)% : %
	$(Q)$(ECHO) "[copy] $@"
	$(Q)$(COPY) $^ $@

$(asset_files) : % : %.in
	$(Q)$(ECHO) "[preprocess] $@"
	$(Q)$(SPP) $(SPPFLAGS) -o $@ $<

smr.so : $(src_files) conf/smr.conf conf/build.conf $(asset_files) .flavor
	$(Q)$(ECHO) "[build] $@"
	$(Q)$(KODEV) build

test : $(built) ## run the unit tests
	$(Q)$(CD) kore_chroot && busted -v --no-keep-going #--exclude-tags slow

cov : $(built) ## code coverage (based on unit tests)
	$(Q)$(RM) $(kore_chroot)/luacov.stats.out
	$(Q)$(CD) $(kore_chroot) && busted -v -c --no-keep-going #--exclude-tags slow
	$(Q)$(CD) $(kore_chroot) && luacov endpoints/
	$(Q)$(ECHO) "open kore_chroot/luacov.report.out to view coverage results."