#!/usr/bin/make -f

#SHELL := /bin/bash
MAKEFILE_FILEPATH := $(abspath $(lastword $(MAKEFILE_LIST)))
MAKEFILE_DIR := $(notdir $(patsubst %/,%,$(dir $(MAKEFILE_FILEPATH))))
MAKEFILE_PATH := $(dir $(MAKEFILE_FILEPATH))

CMAKE_UTILS_COMMAND = cmake
CMAKE_UTILS_SOURCE_DIR = $(MAKEFILE_PATH)source
CMAKE_UTILS_BUILD_DIR = $(MAKEFILE_PATH)compile
DEPENDS = /bin/cmake
PREFIX ?= /usr/local
PKGNAME = $(MAKEFILE_DIR)
PRJNAME = $(subst lib,,${PKGNAME})
FILE_VER = source/CMakeLists.txt

default_target: all

.PHONY: all init depend debug prepare check build uninstall install clean help

all: init build

init:
	@echo "Initialize ..."; \
	if [ -d ".git" ]; then \
	    LATEST_TAG=$$(git describe --abbrev=0 --tags | sed 's/^v//'); \
		if [ -z "$${LATEST_TAG}" ]; \
		then \
			LATEST_TAG=$$"0.0"; \
			echo "$${LATEST_TAG} is empty"; \
		fi; \
	else \
	    LATEST_TAG="Development"; \
	fi; \
	sed -r "s/^(project\(${PRJNAME} VERSION ).*/\1$${LATEST_TAG}\)/" -i ${FILE_VER}; \
	echo "-- Build path: ${CMAKE_UTILS_BUILD_DIR}"

depend:
	@echo "Check depends ..."
	@for FILE_DEPEND in $(DEPENDS); do \
	    if [ ! -f $${FILE_DEPEND} ]; then \
		echo "ERROR: Depend '$${FILE_DEPEND}' not found !"; \
		exit 1; \
	    fi; \
	done; \
	$(CMAKE_UTILS_COMMAND) -DCMAKE_INSTALL_PREFIX=/usr -S$(CMAKE_UTILS_SOURCE_DIR) -B${CMAKE_UTILS_BUILD_DIR} --check-build-system CMakeFiles/Makefile.cmake 1 || exit 1; \
	echo "Check depends: OK"

debug:
	@echo "Debug ..."
	if [ ! -d ${CMAKE_UTILS_BUILD_DIR} ]; then \
	    $(CMAKE_UTILS_COMMAND) -S${CMAKE_UTILS_SOURCE_DIR} -B${CMAKE_UTILS_BUILD_DIR} -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX="${PREFIX}"; \
	fi; \
	echo "Debug: OK"

prepare:
	@echo "Prepare ..."; \
	if [ ! -d ${CMAKE_UTILS_BUILD_DIR} ]; then \
	    $(CMAKE_UTILS_COMMAND) -DCMAKE_INSTALL_PREFIX=/usr -S${CMAKE_UTILS_SOURCE_DIR} -B${CMAKE_UTILS_BUILD_DIR} -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="${PREFIX}"; \
	fi; \
	echo "Prepare: OK"

check:
	@echo "Check ..."; \
	if [ -f ${CMAKE_UTILS_BUILD_DIR}/${PKGNAME}.so ]; then \
	    echo "Check: OK"; \
	else \
	    echo "Check: ${CMAKE_UTILS_BUILD_DIR}/${PKGNAME}.so not found !"; \
	    exit 1; \
	fi

build: depend prepare
	@echo "Build ..."; \
	cd ./source; \
	$(MAKE_COMMAND) --directory=${CMAKE_UTILS_BUILD_DIR}; \
	cd ../
	echo "Build: OK"

uninstall: 
	@echo "Uninstall ..."
	@$(RM) "${DESTDIR}${PREFIX}/lib/${PKGNAME}".so*
	@$(RM) "${DESTDIR}${PREFIX}/include/${PKGNAME}".h*
	@if [ -z ${DESTDIR} ]; then \
	    ldconfig -n ${DESTDIR}${PREFIX}/lib; \
	fi
	@echo "Uninstall: OK"

install: check
	@echo "Install ..."
	@$(MAKE_COMMAND) install --directory=${CMAKE_UTILS_BUILD_DIR}
	@if [ -z ${DESTDIR} ]; then \
	    [ -d "${DESTDIR}${PREFIX}/share/icons/hicolor/" ] && gtk-update-icon-cache -fiq "${DESTDIR}${PREFIX}/share/icons/hicolor/" &>/dev/null || true; \
	    update-desktop-database --quiet &>/dev/null || true; \
	    [ -d "${DESTDIR}${PREFIX}/share/applications" ] && touch "${DESTDIR}${PREFIX}/share/applications" &>/dev/null || true; \
	    ldconfig -n ${DESTDIR}${PREFIX}/lib; \
	fi
	@echo "Install: OK"

clean:
	@echo "Clean ..."
	@$(RM) -rd ${CMAKE_UTILS_BUILD_DIR}
	@$(RM) -rd ${CMAKE_UTILS_BUILD_DIR}
	@if [ -d ${CMAKE_UTILS_BUILD_DIR} ]; then \
	    echo "Clean: error, compile directory exist ${CMAKE_UTILS_BUILD_DIR}"; \
	else \
	    echo "Clean: OK"; \
	fi

help:
	@echo "The following are some of the valid targets for this Makefile:"; \
	echo "... all (the default if no target is provided)"; \
	echo "... init"; \
	echo "... debug"; \
	echo "... prepare"; \
	echo "... compile"; \
	echo "... install"; \
	echo "... uninstall"; \
	echo "... clean"