#!/bin/bash

set -e
set -u

export APPSH_HOME=$(cd $(dirname "$0")/.. && pwd)

. $APPSH_HOME/lib/common
# HEADER END

usage_text() {
  echo "usage: $usage_app -v <version> -f <file> [-C <config>] [-c <config>]"
}

version=
file=
prepend_config=
append_config=

while getopts "v:f:C:c:" opt
do
  case $opt in
    v)
      version=$OPTARG
      shift 2
      OPTIND=1
      ;;
    f)
      file=$OPTARG
      shift 2
      OPTIND=1
      ;;
    C)
      prepend_config=$OPTARG
      shift 2
      OPTIND=1
      ;;
    c)
      append_config=$OPTARG
      shift 2
      OPTIND=1
      ;;
  esac
done

if [[ -z $version || -z $file || $# != 0 ]]
then
  usage
fi

re="[.a-zA-Z0-9]"

if [[ ! $version =~ $re ]]
then
  fatal "Invalid version: $version"
fi

if [ -d versions/$version ]
then
  echo "Version $version is already unpacked"
else
  mkdir -p versions/$version.tmp

  echo "Unpacking..."
  unzip -q -d versions/$version.tmp $file

  if [ ! -d versions/$version.tmp/root ]
  then
    echo "Invalid zip file, did not contain a 'root' directory." >&2
    rm -rf versions/$version.tmp
    exit 1
  fi
  mv versions/$version.tmp versions/$version
fi

if [ -n "$prepend_config" ]
then
  debug "Prepending config from $prepend_config"
  app-conf import "$prepend_config"
fi

if [ -r versions/$version/app.config ]
then
  debug "Importing config from package"
  app-conf import versions/$version/app.config
fi

if [ -n "$append_config" ]
then
  debug "Appending config from $append_config"
  app-conf import "$append_config"
fi

app-run-hook -v "$version" -h pre-install

app-set-version -v "$version"

app-run-hook -v "$version" -h post-install