#### configuration

TOP           = $(shell pwd)
OS            = $(shell uname -s)
BUILD_DATE    = $(shell date "+%Y/%m/%d %H:%M:%S")

DOC_SRC_FILES = $(wildcard locale/*/*.txt)
DOC_FILES     = ${DOC_SRC_FILES:%.txt=%.html}

# TODO: specify source files manually?
JAR_TXT_FILES = ${shell find -L content skin locale	\
			-type f			\
			-a ! -path '*CVS*'	\
			-a \(			\
				-path '*.js'	\
			     -o -path '*.css'	\
			     -o -path '*.xul'	\
			     -o -path '*.html'	\
			   \)			\
		}
JAR_DIRS      = $(foreach f,${JAR_FILES},$(dir $f))
JAR_BIN_FILES = ${shell find content skin	\
			-type f			\
			-a ! -path '*CVS*'	\
			-a -path '*.png'	\
		}
JAR_FILES     = ${JAR_BIN_FILES} ${JAR_TXT_FILES} ${DOC_FILES}
JAR           = chrome/${NAME}.jar

XPI_TXT_FILES = install.rdf chrome.manifest TODO AUTHORS Donators NEWS
XPI_DIRS      = $(foreach f,${XPI_FILES},$(dir $f))
XPI_BIN_FILES = ${JAR} Makefile.common Makefile
XPI_FILES     = ${XPI_BIN_FILES} ${XPI_TXT_FILES}
XPI_NAME      = ${NAME}_${VERSION}.xpi
XPI           = ../downloads/${XPI_NAME}

RDF           = ../downloads/update.rdf
RDF_IN        = ${RDF}.in

BUILD_DIR     = build.${VERSION}.${OS}
BUILD_JAR_DIR = ${BUILD_DIR}/jar
BUILD_XPI_DIR = ${BUILD_DIR}/xpi

BUILD_JAR_SUBDIRS = $(sort ${JAR_DIRS:%=${BUILD_JAR_DIR}/%})
BUILD_XPI_SUBDIRS = $(sort ${XPI_DIRS:%=${BUILD_XPI_DIR}/%})

ASCIIDOC = asciidoc
ZIP = zip
SED = sed
PERL = perl

# specify V=1 on make line to see more verbose output
Q=$(if ${V},,@)
CP_V=$(if ${V},-v)

#### rules

.PHONY: all help info doc jar xpi install clean distclean
all: help

help:
	@echo "${NAME} ${VERSION} build"
	@echo
	@echo "  make help      - display this help"
	@echo "  make info      - show some info about the system"
	@echo "  make doc       - build doc files"
	@echo "  make jar       - build a JAR (${JAR})"
	@echo "  make xpi       - build an XPI (${XPI_NAME})"
	@echo "  make release   - updates update.rdf (this is not for you)"
	@echo "  make clean     - clean up"
	@echo "  make distclean - clean up more"
	@echo
	@echo "running some commands with V=1 will show more build details"

info:
	@echo    "version             ${VERSION}"
	@echo    "release file        ${XPI}"
	@echo    "doc files           ${DOC_SRC_FILES}"
	@echo -e "jar files           $(shell echo ${JAR_FILES} | sed 's/ /\\n                    /g' )"

doc: ${DOC_FILES}
xpi: ${XPI}
jar: ${JAR}

release: ${XPI} ${RDF}

${RDF}: ${RDF_IN} Makefile
	@echo "Preparing release..."
	${Q}${SED} -e "s,###VERSION###,${VERSION},g" \
	           -e "s,###DATE###,${BUILD_DATE},g" \
	           < $< > $@
	@echo "SUCCESS: $@"

clean:
	@echo "Cleanup..."
	${Q}rm -f ${JAR} ${XPI}
	${Q}find . -name '*~' -exec rm -f {} \;

distclean: clean
	@echo "More cleanup..."
	${Q}rm -f ${DOC_FILES}
	${Q}rm -rf ${BUILD_DIR}

#### xpi

${BUILD_XPI_SUBDIRS}:
	${Q}mkdir -p $@

${XPI}: ${BUILD_XPI_SUBDIRS} ${XPI_FILES}
	@echo "Building XPI..."
	${Q}mkdir -p $(dir ${XPI})
	${Q}for f in ${XPI_BIN_FILES} ; do \
		cp $$f ${BUILD_XPI_DIR}/$$f ; \
	    done
	${Q}for f in ${XPI_TXT_FILES} ; do \
		${SED} -e "s,###VERSION###,${VERSION},g" \
		       -e "s,###DATE###,${BUILD_DATE},g" \
		       < $$f > ${BUILD_XPI_DIR}/$$f ; \
		( diff -q $$f ${BUILD_XPI_DIR}/$$f 1>/dev/null ) || \
		( echo "modified: $$f" ; \
		  diff -u $$f ${BUILD_XPI_DIR}/$$f | grep '^[-+][^-+]' ) ; \
	    done

	@# sed -e -> does not work correctly on MacOS's sed, therefore we use perl
	@# ${Q}${SED} -e 's,\(skin\|content\|locale/.*\)/$$,jar:chrome/${NAME}.jar!/\1/,' \

	${Q}${PERL} -pe 's,(skin|content|locale/.*)/$$,jar:chrome/${NAME}.jar!/\1/,' \
	           < chrome.manifest > ${BUILD_XPI_DIR}/chrome.manifest
	${Q}( cd ${BUILD_XPI_DIR} && ${ZIP} -r ${TOP}/${XPI} ${XPI_FILES} )
	@echo "SUCCESS: $@"

#### jar

${BUILD_JAR_SUBDIRS}:
	${Q}mkdir -p $@

${JAR}: ${BUILD_JAR_SUBDIRS} ${JAR_FILES}
	@echo "Building JAR..."
	${Q}mkdir -p $(dir ${JAR})
	${Q}for f in ${JAR_BIN_FILES} ; do \
		cp $$f ${BUILD_JAR_DIR}/$$f ; \
	    done
	${Q}for f in ${JAR_TXT_FILES} ; do \
		${SED} -e "s,###VERSION###,${VERSION},g" \
		       -e "s,###DATE###,${BUILD_DATE},g" \
		       < $$f > ${BUILD_JAR_DIR}/$$f ; \
		( diff -q $$f ${BUILD_JAR_DIR}/$$f 1>/dev/null ) || \
		( echo "modified: $$f" ; \
		  diff -u $$f ${BUILD_JAR_DIR}/$$f | grep '^[-+][^-+]' ) ; \
	    done
	${Q}( cd ${BUILD_JAR_DIR} && ${ZIP} -r ${TOP}/${JAR} ${JAR_FILES} )
	@echo "SUCCESS: $@"

#### doc

${DOC_FILES}: %.html: %.txt Makefile.common locale/en-US/asciidoc.conf
	@echo "DOC $@"
	${Q}${ASCIIDOC} --unsafe -a linkcss -o $@ $<