#!/bin/bash

usage() {
    me=`basename "$0"`
    echo >&2 "Usage: $me [--registry REGISTRY] [--tag TAG] [--detach] [--enable-http] site component"
    exit 1
}

create_dir() {
    d=$1
    u=$2
    g=$3
    mkdir -p $d
    if [ $? -ne 0 ]; then
        echo >&2 "Failed to create directory $d"
        exit 1
    fi

    chown $u:$g $d
    if [ $? -ne 0 ]; then
        echo >&2 "Failed to set ownership for directory $d"
        exit 1
    fi
}

export -f create_dir

while test $# -gt 0 ; do
  case "$1" in
  --registry)
    shift
    REGISTRY=$1
    shift
    ;;
  --tag)
    shift
    TAG=$1
    shift
    ;;
  --detach)
    MODE=$1
    shift
    ;;
  --enable-http)
    ENABLE_HTTP='-e ENABLE_HTTP=1'
    shift
    ;;

  *)
    break
  esac
done

test -z "$TAG" && TAG=latest
test -z "$MODE" && MODE='--interactive --tty'

test $# -ge 1 || usage
SITE=$1
shift

test $# -eq 1 || usage
NAME=$1

[[ -n "$REGISTRY" ]] && [["$REGISTRY" != */ ]] && REGISTRY="$REGISTRY/"

OWNER_UID=$(ls -lnd $SITE/git | tr -s ' ' | cut -d ' ' -f 3)
OWNER_GID=$(ls -lnd $SITE/git | tr -s ' ' | cut -d ' ' -f 4)

if [[ "$OSTYPE" == "darwin"* ]]; then
  ENV="$ENV -e FIXFS=true"
fi

docker rm ${NAME} >/dev/null 2>&1

case "$NAME" in
apache-git-http-backend)
  container-images/$NAME/start "$MODE" "$NAME" "$SITE" "$ENABLE_HTTP" "$REGISTRY" "$TAG" "$OWNER_UID" "$OWNER_GID" "$ENV"
  ;;

git-gc)
  container-images/$NAME/start "$MODE" "$NAME" "$SITE" "$REGISTRY" "$TAG" "$ENV"
  ;;

gerrit-master)
  container-images/$NAME/start "$MODE" "$NAME" "$SITE" "$REGISTRY" "$TAG" "$OWNER_UID" "$OWNER_GID" "$ENV"
  ;;

gerrit-slave)
  container-images/$NAME/start "$MODE" "$NAME" "$SITE" "$REGISTRY" "$TAG" "$OWNER_UID" "$OWNER_GID" "$ENV"
  ;;

gerrit-slave-init)
  container-images/$NAME/start "$MODE" "$NAME" "$SITE" "$REGISTRY" "$TAG" "$OWNER_UID" "$OWNER_GID" "$ENV"
  ;;

*)
  echo "$NAME not a known component"
esac