# Nomsu makefile
# To build, run `make`
# To install, run `make install`

# ========= User-controlled variables ========
LUA= lua
LUA_BIN= $(shell which $(LUA))

PREFIX=
PACKAGEPATH=
UNINSTALL_VERSION=
# ========= You shouldn't need to mess with any of these variables below ================

MOON_FILES= code_obj.moon error_handling.moon files.moon nomsu.moon nomsu_compiler.moon \
			syntax_tree.moon containers.moon bitops.moon parser.moon pretty_errors.moon \
			text.moon nomsu_decompiler.moon nomsu_environment.moon bootstrap.moon \
			builtin_metatables.moon colors.moon
LUA_FILES= code_obj.lua error_handling.lua files.lua nomsu.lua nomsu_compiler.lua \
		   syntax_tree.lua containers.lua bitops.lua parser.lua pretty_errors.lua \
		   text.lua nomsu_decompiler.lua nomsu_environment.lua bootstrap.lua \
		   builtin_metatables.lua colors.lua
CORE_NOM_FILES=$(shell cat lib/core/init.nom | sed -n 's;export "\(.*\)";lib/\1.nom;p') lib/core/init.nom
CORE_LUA_FILES= $(patsubst %.nom,%.lua, $(CORE_NOM_FILES))
COMPAT_NOM_FILES=$(wildcard lib/compatibility/*.nom)
COMPAT_LUA_FILES= $(patsubst %.nom,%.lua, $(COMPAT_NOM_FILES))
TOOL_NOM_FILES= $(wildcard lib/tools/*.nom)
TOOL_LUA_FILES= $(patsubst %.nom,%.lua, $(TOOL_NOM_FILES))
LIB_NOM_FILES= $(wildcard lib/*.nom) $(filter-out $(CORE_NOM_FILES) $(TOOL_NOM_FILES) $(COMPAT_NOM_FILES), $(wildcard lib/*/*.nom))
LIB_LUA_FILES= $(patsubst %.nom,%.lua, $(LIB_NOM_FILES))
NOM_FILES=$(CORE_NOM_FILES) $(COMPAT_NOM_FILES) $(TOOL_NOM_FILES) $(LIB_NOM_FILES)
PEG_FILES= $(wildcard nomsu.*.peg)
GET_VERSION= $(LUA_BIN) nomsu.lua --version

all: lua optimize optimize_extra

.PHONY: test
test: lua optimize
	@printf "\033[1;4mRunning unoptimized tests...\033[0m\n"
	@$(LUA_BIN) nomsu.lua -O0 -t test $(CORE_NOM_FILES) $(LIB_NOM_FILES)
	@printf "\n\033[1;4mRunning optimized tests...\033[0m\n"
	@$(LUA_BIN) nomsu.lua -O1 -t test $(CORE_LUA_FILES) $(LIB_LUA_FILES)

%.lua: %.moon
	@moonc $<

%.lua: %.nom
	@$(LUA_BIN) nomsu.lua -c $<

.DELETE_ON_ERROR: version
version: $(LUA_FILES) $(CORE_NOM_FILES) $(LIB_NOM_FILES)
	@$(LUA_BIN) nomsu.lua --version > version || exit

lua: $(LUA_FILES)

.PHONY: optimize
optimize: lua $(CORE_LUA_FILES) $(LIB_LUA_FILES)

.PHONY: optimize_extra
optimize_extra: lua $(COMPAT_LUA_FILES) $(TOOL_LUA_FILES)

.PHONY: clean
clean:
	@printf "\033[1mDeleting...\033[0m"
	@rm -rvf version lib/*.lua lib/*/*.lua

.PHONY: install
install: lua version optimize optimize_extra
	@prefix="$(PREFIX)"; \
	if [[ ! $$prefix ]]; then \
		read -p $$'\033[1mWhere do you want to install Nomsu? (default: /usr/local) \033[0m' prefix; \
	fi; \
	if [[ ! $$prefix ]]; then prefix="/usr/local"; fi; \
	packagepath="$(PACKAGEPATH)"; \
	if [[ ! $$packagepath ]]; then \
		read -p $$'\033[1mWhere do you want Nomsu to put packages you install in the future? (default: /opt) \033[0m' packagepath; \
	fi; \
	if [[ ! $$packagepath ]]; then packagepath="/opt"; fi; \
	if [[ $$prefix != "`realpath $$prefix`" ]]; then \
		printf $$'\033[1;31mWarning: '$$prefix$$' is not an absolute path. This may cause problems.\033[0m\n'; \
		read -p $$'\033[1mWould you rather use '`realpath $$prefix`$$' instead? (recommended)[Y/n]\033[0m ' use_real; \
		if [[ ! $$use_real =~ ^[Nn] ]]; then \
			prefix="`realpath $$prefix`"; \
		fi; \
	fi; \
	version="`cat version`"; \
	mkdir -pv $$prefix/bin $$prefix/lib/nomsu/$$version $$prefix/share/nomsu/$$version $$prefix/share/man/man1 $$packagepath/nomsu \
	&& printf "#!$(LUA_BIN)\nNOMSU_PREFIX, NOMSU_PACKAGEPATH = [[$$prefix]], [[$$packagepath/nomsu]]" \
	  | cat - nomsu.lua > $$prefix/bin/nomsu$$version \
	&& chmod +x $$prefix/bin/nomsu$$version \
	&& cp -v nomsu $$prefix/bin \
	&& cp -v doc/nomsu.1 $$prefix/share/man/man1 \
	&& cp -rv $(LUA_FILES) $(PEG_FILES) lib $$prefix/share/nomsu/$$version;

.PHONY: uninstall
uninstall: version
	@prefix="$(PREFIX)"; \
	if [[ ! $$prefix ]]; then \
		read -p $$'\033[1mWhere do you want to uninstall Nomsu from? (default: /usr/local) \033[0m' prefix; \
	fi; \
	if [[ ! $$prefix ]]; then prefix="/usr/local"; fi; \
	printf "\033[1mNomsu will be uninstalled from:\033[0m\n"; \
	echo "    $$prefix/bin"; \
	echo "    $$prefix/lib"; \
	echo "    $$prefix/share"; \
	read -p $$'\033[1mis this okay? [Y/n]\033[0m ' ans; \
	if [[ $$ans =~ ^[Nn] ]]; then exit; fi; \
	printf "\033[1mDeleting...\033[0m\n"; \
	version="$(UNINSTALL_VERSION)"; \
	if [[ ! $$version ]]; then version="`cat version`"; fi;\
	rm -rvf $$prefix/lib/nomsu/$$version $$prefix/share/nomsu/$$version $$prefix/bin/nomsu$$version; \
	if [[ "`find $$prefix/bin -type f -regex '.*/nomsu[0-9.]+\$$'`" == "" ]]; then \
		rm -vf $$prefix/bin/nomsu $$prefix/share/man/man1/nomsu.1; \
	else \
		if [ -f $$prefix/bin/nomsu ]; then \
			read -p $$'\033[1mIt looks like there are other versions of Nomsu installed. Is it okay to leave the "nomsu" cross-version launcher in place? (recommended) [Y/n]\033[0m ' ans; \
			if [[ $$ans =~ ^[Nn] ]]; then \
				printf "\033[1mDeleting...\033[0m\n"; \
				rm -vf $$prefix/bin/nomsu $$prefix/share/man/man1/nomsu.1; \
			fi; \
		fi; \
	fi; \
	if [ "`ls $$prefix/lib/nomsu 2>/dev/null`" == "" ]; then rm -rvf $$prefix/lib/nomsu; fi;\
	if [ "`ls $$prefix/share/nomsu 2>/dev/null`" == "" ]; then rm -rvf $$prefix/share/nomsu; fi;\
	printf $$'\033[1mDone.\033[0m\n';

uninstallpackages:
	@packagepath="$(PACKAGEPATH)"; \
	if [[ ! $$packagepath ]]; then \
		read -p $$'\033[1mWhere have your Nomsu packages been installed? (default: /opt) \033[0m' packagepath; \
	fi; \
	if [[ ! $$packagepath ]]; then packagepath="/opt"; fi; \
	if [ -d $$packagepath/nomsu ]; then \
		read -p $$'\033[1mDo you want to delete all installed libraries from /opt? [y/n] \033[0m' confirm; \
		if [[ $$confirm == "y" ]]; then \
			rm -rvf $$packagepath/nomsu; \
		fi; \
	fi;