#!/bin/bash

#
# automake / autoconf build environmet generator for c++
#
# usage ./cpp_skelton.sh [project name]
#

if [ $# -lt 1 ]; then
    echo "usage:"
    echo "./cpp_skelton.sh [project name]"
    exit 1
fi

PROJECT_NAME=${1}
SRC_DIR="src"
PROGRAM_PREFIX="cpp"
HEADER_PREFIX="hpp"
LIB_NAME=${SRC_DIR}/lib${PROJECT_NAME}.${HEADER_PREFIX}
LIB_SRC_NAME=${SRC_DIR}/lib${PROJECT_NAME}.${PROGRAM_PREFIX}
RUN_NAME=${SRC_DIR}/${PROJECT_NAME}.${PROGRAM_PREFIX}
TEST_NAME=${SRC_DIR}/${PROJECT_NAME}_test.${PROGRAM_PREFIX}
INIT_VERSION=0.1
EMAIL=hogehoge@hogehoge.hoge

if [ -d $1 ]; then
    echo "[error] The directory $1 already exist."
    exit 1
fi

mkdir ${PROJECT_NAME}
cd ${PROJECT_NAME}
touch AUTHORS COPYING ChangeLog INSTALL NEWS README Makefile.am
mkdir ${SRC_DIR}


# create library file: lib#{PROJECT_NAME}.${HEADER_PREFIX}
touch ${LIB_NAME}
echo "#include <iostream>

namespace ${PROJECT_NAME} {

  class ${PROJECT_NAME} {

  public:

    ${PROJECT_NAME}()
    {
      std::cout << \"create ${PROJECT_NAME}\" << std::endl;
    }

    ~${PROJECT_NAME}()
    {
      std::cout << \"delete ${PROJECT_NAME}\" << std::endl;
    }
  };
}
" >> ${LIB_NAME}

# create library source file: lib${PROJECT_NAME}.${PROGRAM_PREFIX}
touch ${LIB_SRC_NAME} ${RUN_NAME} ${TEST_NAME}
echo "#include \"lib${PROJECT_NAME}.${HEADER_PREFIX}\"

namespace ${PROJECT_NAME} {

}
" >> ${LIB_SRC_NAME}

# create run file: ${PROJECT_NAME}.${PROGRAM_PREFIX}
touch ${RUN_NAME} ${TEST_NAME}
echo "#include \"lib${PROJECT_NAME}.${HEADER_PREFIX}\"

namespace ${PROJECT_NAME} {

}

int main(int argc, char** argv)
{
  std::cout << \"start ${PROJECT_NAME}\" << std::endl;
  ${PROJECT_NAME}::${PROJECT_NAME} ${PROJECT_NAME};
}
" >> ${RUN_NAME}

# create test program: ${PROJECT_NAME}_test.${PROGRAM_PREFIX}
touch ${TEST_NAME}
echo "#include \"lib${PROJECT_NAME}.${HEADER_PREFIX}\"

namespace ${PROJECT_NAME} {

  void runTest()
  {
    ${PROJECT_NAME}::${PROJECT_NAME}();
  }
}

int main(int argc, char** argv)
{
  ${PROJECT_NAME}::runTest();
}
" >> ${TEST_NAME}

# edit Makefile.am
echo "SUBDIRS = src" >> Makefile.am

autoscan

# edit configure.in
AC_INIT_REGEX="AC_INIT(\[FULL-PACKAGE-NAME\], \[VERSION\], \[BUG-REPORT-ADDRESS\])"
AC_INIT_AFTER="AC_INIT(\[${PROJECT_NAME}\], \[${INIT_VERSION}\], \[${EMAIL}\])"
AM_INIT_AFTER="AM_INIT_AUTOMAKE(${PROJECT_NAME}, ${INIT_VERSION})"

cp configure.scan configure.in

sed -e "s/${AC_INIT_REGEX}/${AC_INIT_AFTER}\n${AM_INIT_AFTER}/" configure.in > configure.tmp

mv configure.tmp configure.in

sed -e "s/\# Checks for programs./\# Checks for programs.\nAC_LANG(C++)\nAC_PROG_LIBTOOL/" configure.in > configure.tmp
mv configure.tmp configure.in

sed -e "s/AC_CONFIG_FILES(\[Makefile\])/AC_CONFIG_FILES(\[Makefile src\/Makefile\])/" configure.in > configure.tmp
mv configure.tmp configure.in

# edit src/Makefile.am
echo "lib_LTLIBRARIES = lib${PROJECT_NAME}.la
lib${PROJECT_NAME}_la_CPPFLAGS = -Wall
lib${PROJECT_NAME}_la_LDFLAGS =
lib${PROJECT_NAME}_la_SOURCES = lib${PROJECT_NAME}.${HEADER_PREFIX} lib${PROJECT_NAME}.${PROGRAM_PREFIX}

pkginclude_HEADERS = lib${PROJECT_NAME}.${HEADER_PREFIX}

bin_PROGRAMS = ${PROJECT_NAME} ${PROJECT_NAME}_test

${PROJECT_NAME}_CPPFLAGS = -Wall
${PROJECT_NAME}_LDADD = lib${PROJECT_NAME}.la
${PROJECT_NAME}_SOURCES = ${PROJECT_NAME}.${PROGRAM_PREFIX}

${PROJECT_NAME}_test_CPPFLAGS = -Wall
${PROJECT_NAME}_test_LDADD = lib${PROJECT_NAME}.la
${PROJECT_NAME}_test_SOURCES = ${PROJECT_NAME}_test.${PROGRAM_PREFIX}

TESTS = ${PROJECT_NAME}_test" > ${SRC_DIR}/Makefile.am

# run autoreconf / create Makefile.in
autoreconf -vfi