#!/usr/bin/env bash
#

BINDIR=$(abspath $(dirname "$0"))
. $BINDIR/util.sh
BASE=$(abspath $BINDIR/..)

declare -a args
TEMPLATE="simple"
SCALA_VERSION="2.8.1"
PROJECT_VERSION="0.0.1"
DO_GITHUB=

while [ $# -gt 0 ]; do
  case "$1" in
    --simple)
      TEMPLATE="simple"
      shift
      ;;
    --fancy)
      TEMPLATE="fancy"
      shift
      ;;
    --version)
      shift
      PROJECT_VERSION="$1"
      shift
      ;;
    --github)
      shift
      DO_GITHUB="true"
      ;;
    --28)
      SCALA_VERSION="2.8.1"
      shift
      ;;
    --29)
      SCALA_VERSION="2.9.0.RC1"
      shift
      ;;
    *)
      args=("${args[@]}" "$1")
      shift
      ;;
  esac
done

# reset "$@" to the remaining args
set -- "${args[@]}"

if [[ $# -ne 1 ]]; then
  cat <<EOM
Usage: $(basename $0) [options] <project> [dependencies]

  --hub       create github project (requires hub and more)
  --simple    use simple project template
  --fancy     use multi-file project template
  --28        latest release of scala 2.8.x
  --29        latest release of scala 2.9.x

  --version <version> project initial version
EOM

  exit 1
fi

if [ -z "$1" ]; then
    echo "Usage: $0 <project name>"
    exit 1
fi

PROJECT="$1"
PACKAGE=${ORGANIZATION:-template}
SBT_VERSION="0.7.6.RC0"
DIR=$(echo ${PROJECT} | tr '[A-Z]' '[a-z]')
PROJECT_CC=`camelCase ${PROJECT}`
PROJECT_CLASS=${PROJECT_CC}Project
SPEC_CLASS=${PROJECT_CC}Spec

[[ -e $DIR ]] && { echo "$DIR exists, please remove it first." ; exit 1; }

mkdir -p $DIR
cd $DIR
echo "Creating \"${PACKAGE} % ${PROJECT} % ${PROJECT_VERSION}\" from template \"$TEMPLATE\"."
echo "Building against scala $SCALA_VERSION with sbt $SBT_VERSION."
echo "Repository in ${PWD} ."
echo

for dir in project/build project/plugins src/main/scala src/main/java src/test/scala src/test/java
do
  mkdir -p $dir
done

cat > project/build.properties <<EOF
#Project properties
#Generated by sbt-setup on $(date)
project.organization=$PACKAGE
project.name=$PROJECT
sbt.version=$SBT_VERSION
project.version=$PROJECT_VERSION
build.scala.versions=$SCALA_VERSION
project.initialize=false
EOF

cat > src/main/scala/Main.scala <<EOF
package $PACKAGE

object Main {
  def main(args: Array[String]): Unit = ()
}
EOF

cat > src/test/scala/${SPEC_CLASS}.scala <<EOF
package $PACKAGE

import org.specs._

class ${SPEC_CLASS} extends Specification {
  "A skeletal specification" should {
    "do little beyond creating a skeleton" >> {
      1 mustEqual 1
    }
  }
}
EOF

FILE=project/build/${PROJECT_CLASS}.scala
if [[ $TEMPLATE == "fancy" ]]; then
  cp $BASE/src/template/Libraries.scala project/build
  cp $BASE/src/template/Repositories.scala project/build
  cp $BASE/src/template/Plugins.scala project/plugins

  cat > $FILE <<EOF
import sbt._

class ${PROJECT_CLASS}(info: ProjectInfo) extends DefaultProject(info) with Libraries {
  // ...
}
EOF
else
  cat > $FILE <<EOF
import sbt._

class ${PROJECT_CLASS}(info: ProjectInfo) extends DefaultProject(info) with ProjectSupport {
  
}

EOF

  cat $BASE/src/main/resources/support.scala >> $FILE
  cp $BASE/src/template/Plugins.scala project/plugins
fi

ln -s $FILE

cat > .gitignore <<EOF
/${PROJECT_CLASS}.scala
target
/project/boot
/project/plugins
lib_managed
src_managed
/ext
EOF

git init
git add .gitignore project src
git add -f project/plugins/Plugins.scala
git commit -m "Initial Import for ${PROJECT_CC} (autogenerated by sbt-setup)."
sbt update package test

if [[ $DO_GITHUB ]]; then
  GIT_URL="git@github.com:$(githubUser)/$PROJECT.git"
  echo Creating $GIT_URL
  hub create
  git config --local --add branch.master.remote origin
  git config --local --add branch.master.merge refs/heads/master
  git push origin master
fi

echo ""
echo "Ready to roll in $PWD"